- Fixed bug in collect() function discarding SRID of
input
- Added SRID match check in MakeBox2d and MakeBox3d
+ - Added EJB2 support generously donated by the
+ "Geodetix s.r.l. Company" http://www.geodetix.it/
PostGIS 1.1.3
2006/06/30
--- /dev/null
+PostGIS-EJB2-POC 1.0
+2006/08/29
+
+- Initial release!
+- EJB 2.x support
+- XDoclet code generation
--- /dev/null
+
+ GNU GENERAL PUBLIC LICENSE
+ Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.
+ 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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+
+ <signature of Ty Coon>, 1 April 1989
+ Ty Coon, President of Vice
+
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+library. If this is what you want to do, use the GNU Library General
+Public License instead of this License.
--- /dev/null
+
+ GNU LESSER GENERAL PUBLIC LICENSE
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+That's all there is to it!
+
+
--- /dev/null
+Using PostGIS Geometry Types with EJB2 -- Proof of Concept\r
+----------------------------------------------------------\r
+Copyright (C) 2006 by the Geodetix s.r.l. Company. See\r
+http://www.geodetix.it/ for further information.\r
+\r
+Version 1.0.0 (2006/08/29)\r
+\r
+Table of Contents\r
+-----------------\r
+\r
+0. Licensing\r
+1. Introduction\r
+2. Directory Contents\r
+3. Software Requirements\r
+4. Installation\r
+5. Running\r
+6. Code Details\r
+\r
+\r
+0. Licensing\r
+------------\r
+The "Using PostGIS Geometry Types with EJB2 -- Proof of Concept" software is\r
+a short collection of examples related to the use of PostGIS Java API with\r
+the EJB 2.x technology.\r
+Copyright (C) 2006 by the Geodetix s.r.l. Company. See\r
+http://www.geodetix.it/ for further information.\r
+\r
+This library is free software; you can redistribute it and/or\r
+modify it under the terms of the GNU Lesser General Public\r
+License as published by the Free Software Foundation; either\r
+version 2.1 of the License, or (at your option) any later version.\r
+\r
+This library is distributed in the hope that it will be useful,\r
+but WITHOUT ANY WARRANTY; without even the implied warranty of\r
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\r
+Lesser General Public License for more details.\r
+\r
+You should have received a copy of the GNU Lesser General Public\r
+License along with this library; if not, write to the Free Software\r
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\r
+\r
+\r
+1. Introduction\r
+---------------\r
+Our software is a simple proof-of-concept application illustrating how the\r
+PostGIS provided Java geometric types could be integrated with a set of\r
+Enterprise Java Bean 2.x components.\r
+\r
+To achieve such a goal, an attribute of type org.postgis.Geometry has been \r
+added to a BMP (Bean managed Persistence) Entity Bean. Furthermore, by using\r
+the DAO (Data Access Object) Pattern, the persistence code has been clearly \r
+separated from the business logic.\r
+\r
+Not to add further complexity, some proper programming behaviours were omitted.\r
+For example the use of PostGIS geometric types directly inside the Entity Bean \r
+code could be avoided by using a WKT compliant string attribute. Another issue\r
+is about security: table creational methods exposed in the \r
+com.geodetix.geo.ejb.GeometryBean home interface should be protected by\r
+a proper role-base security policy, to avoid normal users deleting database \r
+tables.\r
+\r
+Nevertheless our application, even if quite simple, still holds a lot of \r
+generality and some of the implemented patterns or components are readily \r
+usable in real-world applications.\r
+\r
+\r
+2. Directory Contents\r
+---------------------\r
+\r
+ ./ Build scripts (build.*), README and licensing information\r
+ ./src Java source packages and files\r
+ ./resources EJB specific configuration files\r
+ ./lib JAR libraries needed to compile and run\r
+\r
+\r
+3. Software Requirements\r
+------------------------\r
+We here list all third-party libraries with their versions tested to work\r
+with the application.\r
+\r
+PostGIS JDBC driver version 1.1.3\r
+http://www.postgis.org/\r
+\r
+PostgreSQL JDBC driver version 8.1-404 jdbc3\r
+http://jdbc.postgresql.org/\r
+\r
+XDoclet lib version 1.2.3\r
+http://xdoclet.sourceforge.net\r
+\r
+Apache ANT version 1.6.5\r
+http://ant.apache.org/\r
+\r
+JBOSS Application Server version 4.0.4.GA-Patch1\r
+http://www.jboss.org/\r
+\r
+Note that our tool is application server agnostic and could be easily ported\r
+to any EJB 2.x compliant Container by modifying the provided deployment \r
+ant file which is, in turn, written for the JBoss Application Server.\r
+\r
+\r
+4. Installation\r
+---------------\r
+After downloading (and compiling, if necessary) all of the required software,\r
+follow these steps:\r
+\r
+- copy the PostGIS driver (postgis_1.1.3.jar) into the ./lib/commonlib \r
+directory\r
+\r
+- copy the PostgreSQL driver (postgresql-8.1-404.jdbc3.jar) into the \r
+./lib/compiletimelib directory\r
+\r
+- copy the XDoclet libraries (contained in xdoclet-lib-1.2.3.tgz) into the \r
+./lib/xdocletlib directory\r
+\r
+- install Apache ANT (follow the installation istructions provided \r
+with the tool)\r
+\r
+- install the JBoss Application Server\r
+\r
+- make sure that your JBOSS_HOME environment variable correctly points to\r
+the JBoss installation directory (i.e. /opt/jboss-4.0.4.GA)\r
+\r
+- create a new PostGIS database according to what specified in the\r
+./resources/build.properties with the "database.name", "database.login",\r
+"database.password" properties (eventually change them to fit your needs).\r
+\r
+\r
+5. Running\r
+----------\r
+Start the JBoss application server with the provided scripts \r
+(run.bat or run.sh).\r
+\r
+From the main application directory (./) execute these commands:\r
+\r
+> ant install-JDBC-driver\r
+This command installs the PostgreSQL driver into JBoss\r
+\r
+> ant install-DataSource\r
+This command installs the DataSource Connector into JBoss\r
+\r
+> ant javadoc\r
+This command generates the application API documentation into the ./javadoc\r
+directory (use index.html to start).\r
+\r
+> ant deploy\r
+Installs the application into JBoss\r
+\r
+> ant run-client\r
+Allows to test the installed application\r
+\r
+\r
+6. Code Details\r
+---------------\r
+The main components made available in the application are:\r
+\r
+- GeometryBean.java\r
+It is an entity bean containing a geometrical attribute of org.postgis.Geometry\r
+type which could contain every geometrical type (i.e. POINT, LINESTRING, etc.).\r
+The user can choose wether to create a NON-OpenGIS or an OpenGIS-compliant \r
+bean. The first ones can contain different geometric types in the same table\r
+with undefined SRID (-1), while the second ones can only contain object of the \r
+same type and SRID in one table;\r
+\r
+- PostgisGeometryDaoIml.java\r
+A DAO (Data Access Object) implementing persistence operations for the \r
+GeometryBean EJB in a PostGIS database;\r
+\r
+- GeometryFacadeBean.java\r
+A stateless session bean implementing the interface between the geometric \r
+entity beans and the client applications;\r
+\r
+- Client.java\r
+It is a simple client executing some tests thus illustrating the use of the \r
+provided API.\r
+\r
+Further informations could be gathered from the source code and by reading the\r
+javadoc API documentation.\r
--- /dev/null
+<?xml version="1.0" encoding="UTF-8"?>\r
+\r
+<project name="postgis-ejb2-poc" default="clean" basedir=".">\r
+ <description>Using PostGIS Geometry Types with EJB2 - Proof of Concept</description>\r
+\r
+ <!-- ENVIROMENT VARIABLES -->\r
+ <property environment="env"/>\r
+ \r
+ <!-- JBOSS PROPERTIES -->\r
+ <property name="jboss.home" value="${env.JBOSS_HOME}"/>\r
+ <property name="jboss.server.config" value="default"/>\r
+ <property name="jboss.server.lib" value="${jboss.home}/server/default/lib"/>\r
+ <property name="jboss.config.dir" value="${jboss.home}/server/default/conf"/>\r
+ <property name="jboss.deploy.dir" value="${jboss.home}/server/default/deploy"/>\r
+\r
+ <!-- REGULAR DIRECTORIES --> \r
+ <property name="src.dir" value="src"/>\r
+ <property name="build.dir" value="build"/>\r
+ <property name="distro.dir" value="distro"/>\r
+ <property name="resources.dir" value="resources"/>\r
+ <property name="lib.dir" value="lib"/>\r
+ <property name="compiletime.lib.dir" value="${lib.dir}/compiletimelib"/>\r
+ <property name="common.jar.dir" value="common"/>\r
+ <property name="common.lib.dir" value="${lib.dir}/commonlib"/>\r
+ <property name="merge.dir" value="merge"/>\r
+ <property name="ejb.jar.dir" value="ejbjars"/>\r
+ <property name="javadoc.dir" value="javadoc"/>\r
+\r
+ <!-- GENERATED DIRECTORIES -->\r
+ <property name="gen.src.dir" value="gensrc"/> \r
+ <property name="generated.dir" value="generated"/>\r
+ <property name="ejb.deployment.dir" value="${generated.dir}/ejbdeploy"/>\r
+ \r
+ <!-- WHERE TO DEPLOY THE FINISHED EAR FILE -->\r
+ <property name="deploy.path" value="${jboss.home}/server/${jboss.server.config}/deploy"/>\r
+\r
+ <!-- WHERE XDOCLET JARS ARE -->\r
+ <property name="xdoclet.lib.dir" value="${lib.dir}/xdocletlib"/>\r
+ \r
+ <!-- PATH DEFINITION -->\r
+ <path id="classpath"> \r
+ <fileset dir="${lib.dir}" includes="*.jar"/>\r
+ <fileset dir="${compiletime.lib.dir}" includes="*.jar"/>\r
+ <fileset dir="${common.lib.dir}" includes="*.jar"/>\r
+ <fileset dir="${xdoclet.lib.dir}" includes="*.jar"/>\r
+ <fileset dir="${jboss.server.lib}" includes="*.jar"/>\r
+ <fileset dir="${jboss.home}/client" includes="**/*.jar"/>\r
+ <pathelement location="${resources.dir}/jndi"/>\r
+ <pathelement location="${build.dir}"/>\r
+ </path>\r
+ \r
+ <!-- LOAD USER DEFINED PROPERTIES -->\r
+ <!-- You can add your variables and/or properties in this file -->\r
+ <property file="${resources.dir}/build.properties" /> \r
+\r
+ <!-- DATABASE RELATED PROPERTIES -->\r
+ <property name="datasource.name" value="postgis-ejb2-ds"/>\r
+ <property name="datasource.file.name" value="postgis-ejb2-ds.xml"/>\r
+ <property name="database.connection.port" value="5432"/>\r
+ <property name="database.driver" value="org.postgresql.Driver"/>\r
+ <property name="database.connection.url" value="jdbc:postgresql://${database.host}:${database.connection.port}/${database.name}"/>\r
+\r
+ <!-- IMPORT RELATED BUILD FILES -->\r
+ <import file="${basedir}/prepare-jboss.xml" />\r
+ \r
+ \r
+ <target name="clean" description="Delete all temporary directories and files created in the build.">\r
+ <echo message="Delete all temporary directories and files created in the build."/>\r
+\r
+ <delete dir="${gen.src.dir}"/>\r
+ <delete dir="${ejb.deployment.dir}"/>\r
+ <delete dir="${ejb.jar.dir}"/>\r
+ <delete dir="${common.jar.dir}"/>\r
+ <delete dir="${build.dir}"/>\r
+ <delete dir="${distro.dir}"/>\r
+ <delete dir="${generated.dir}"/>\r
+ <delete dir="${javadoc.dir}"/>\r
+\r
+ <delete>\r
+ <fileset dir="${basedir}" includes="**/*.bak"/>\r
+ </delete> \r
+ </target>\r
+\r
+ \r
+ <target name="deploy" description="Deploy the application into JBOSS." depends="build-ear">\r
+ <echo message="Deploy EAR file."/>\r
+ <copy file="${distro.dir}/${ant.project.name}.ear" todir="${deploy.path}"/>\r
+ </target>\r
+\r
+ \r
+ <target name="undeploy" description="Undeploy the Application." >\r
+ <echo message="Undeploy EAR file."/>\r
+ <delete file="${deploy.path}/${ant.project.name}.ear" />\r
+ </target>\r
+\r
+ \r
+ <target name="generate-ejb">\r
+ <echo message="Generate files with XDoclet."/>\r
+\r
+ <taskdef name="ejbdoclet" \r
+ classname="xdoclet.modules.ejb.EjbDocletTask"\r
+ classpathref="classpath"/>\r
+ \r
+ <!-- Generate EJB "stuff" -->\r
+ <ejbdoclet destdir="${gen.src.dir}" mergeDir="${merge.dir}" ejbSpec="2.1">\r
+ <packageSubstitution packages="ejb" substituteWith="interfaces"/>\r
+\r
+ <fileset dir="${src.dir}">\r
+ <include name="**/*Bean.java" />\r
+ <include name="**/*Service.java" />\r
+ </fileset>\r
+\r
+ <!-- Generate a deployment descriptor file, including all beans processed. -->\r
+ <deploymentdescriptor destdir="${ejb.deployment.dir}"/>\r
+\r
+ <!-- Generate JBOSS specific files -->\r
+ <jboss destdir="${ejb.deployment.dir}" version="4.0" />\r
+\r
+ <!-- Generate all of the home and logical interfaces, unless told otherwise in the meta-information. -->\r
+ <homeinterface/>\r
+ <remoteinterface/>\r
+ <localinterface/>\r
+ <localhomeinterface/>\r
+\r
+ <!-- Generate a value object if the bean has a @ejb.value-object tag.-->\r
+ <valueobject>\r
+ <packageSubstitution packages="ejb" \r
+ substituteWith="value"/>\r
+ </valueobject>\r
+\r
+ <!-- Generate a utility object for each EJB. -->\r
+ <utilobject includeGUID="true" \r
+ cacheHomes="true"\r
+ kind="physical">\r
+ <packageSubstitution packages="ejb" \r
+ substituteWith="util"/>\r
+ </utilobject>\r
+\r
+ <!-- Generate complete entity and session classes (including ejbXXX() methods) based on the implementation class. -->\r
+ <entitybmp/>\r
+ <entitycmp/>\r
+ <session/>\r
+\r
+ <entitypk>\r
+ <packageSubstitution packages="ejb" \r
+ substituteWith="pk"/>\r
+ </entitypk>\r
+\r
+ <dao pattern="{0}Dao">\r
+ <packageSubstitution packages="ejb" \r
+ substituteWith="dao"/>\r
+ </dao>\r
+\r
+ </ejbdoclet>\r
+ </target>\r
+\r
+\r
+ <target name="build-common-jar" >\r
+ <mkdir dir="${common.jar.dir}"/>\r
+\r
+ <jar destfile="${common.jar.dir}/common.jar">\r
+ <fileset dir="${common.lib.dir}" includes="*.jar"/>\r
+ </jar>\r
+ </target>\r
+\r
+\r
+ <target name="build-ear" \r
+ depends="build-ejb-jar,build-common-jar" \r
+ description="Build .ear file and put it into distro dir.">\r
+ <mkdir dir="${distro.dir}"/>\r
+\r
+ <ear destfile="${distro.dir}/${ant.project.name}.ear" \r
+ appxml="${resources.dir}/application.xml">\r
+ <fileset dir="${ejb.jar.dir}" includes="*.jar"/>\r
+ <fileset dir="${common.jar.dir}" includes="*.jar"/>\r
+ </ear>\r
+ </target>\r
+\r
+\r
+ <target name="build-ejb-jar" depends="compile" >\r
+ <mkdir dir="${ejb.jar.dir}"/>\r
+\r
+ <jar jarfile="${ejb.jar.dir}/ejb.jar">\r
+ <fileset dir="${build.dir}">\r
+ <include name="**/ejb/*.class"/>\r
+ <include name="**/exception/*.class"/>\r
+ <include name="**/util/*.class"/>\r
+ <include name="**/dao/*.class"/>\r
+ <include name="**/value/*.class"/>\r
+ <include name="**/interfaces/*.class"/>\r
+ <exclude name="**/client/*.class"/>\r
+ </fileset> \r
+\r
+ <metainf dir="${ejb.deployment.dir}">\r
+ <include name="ejb-jar.xml"/>\r
+ <include name="jboss.xml"/>\r
+ <include name="jbosscmp-jdbc.xml"/> \r
+ </metainf>\r
+ </jar>\r
+ </target> \r
+\r
+\r
+ <target name="compile" depends="clean,generate-ejb" description="Compile EJB source code.">\r
+ <echo message="Compile source code."/>\r
+\r
+ <mkdir dir="${build.dir}"/>\r
+\r
+ <javac debug="on"\r
+ deprecation="on"\r
+ optimize="on"\r
+ encoding="iso-8859-1"\r
+ listfiles="no"\r
+ destdir="${build.dir}" \r
+ classpathref="classpath">\r
+ <src path="${gen.src.dir};${src.dir}"/>\r
+ <exclude name="**/client/*.java"/>\r
+ </javac>\r
+ </target>\r
+\r
+\r
+ <target name="compile-client" depends="compile" description="Compile Client source code.">\r
+ <echo message="Compile Client source code."/>\r
+\r
+ <delete>\r
+ <fileset dir="${build.dir}" includes="**/client/*.*"/>\r
+ </delete> \r
+\r
+ <mkdir dir="${build.dir}"/>\r
+\r
+ <javac debug="on"\r
+ deprecation="on"\r
+ optimize="on"\r
+ encoding="iso-8859-1"\r
+ listfiles="no"\r
+ destdir="${build.dir}" \r
+ classpathref="classpath">\r
+ <src path="${gen.src.dir};${src.dir}"/>\r
+ <include name="**/client/*.java"/>\r
+ </javac>\r
+ </target>\r
+\r
+ \r
+ <target name="run-client" description="Execute Client." depends="compile-client">\r
+ <java classname="com.geodetix.geo.client.Client" dir="." fork="true" classpathref="classpath" />\r
+ </target>\r
+\r
+\r
+ <target name="javadoc" \r
+ depends="compile"\r
+ description="Create Project API documentation.">\r
+ <delete dir="${javadoc.dir}" />\r
+ <mkdir dir="${javadoc.dir}"/>\r
+ <javadoc destdir="${javadoc.dir}" sourcepath="${gen.src.dir};${src.dir}">\r
+ <classpath refid="classpath"/>\r
+ <packageset dir="${gen.src.dir}" defaultexcludes="yes">\r
+ <include name="**"/> \r
+ <exclude name="**/ejb/**"/> \r
+ </packageset>\r
+\r
+ <packageset dir="${src.dir}" defaultexcludes="yes">\r
+ <include name="**/exception/**"/> \r
+ <include name="**/client/**"/> \r
+ <include name="**/dao/**"/> \r
+ <exclude name="**/ejb/**"/>\r
+ </packageset>\r
+\r
+ <doctitle><![CDATA[<h1>Using PostGIS Geometry Types with EJB2 <br> Proof of Concept</h1>]]></doctitle>\r
+ <bottom><![CDATA[<i>Copyright © 2006 <a href="http://www.geodetix.it" target="_new">Geodetix S.r.l.</a> All Rights Reserved.</i>]]></bottom>\r
+ </javadoc>\r
+ </target>\r
+\r
+</project>\r
--- /dev/null
+<?xml version="1.0" encoding="UTF-8"?>\r
+\r
+<project basedir=".">\r
+ \r
+ <!-- PROPERTY DEFINITIONS -->\r
+ <property name="tmp.dir" value="tmp"/>\r
+ \r
+ <target name="install-DataSource" description="Copy DataSource definition file into JBOSS deploy dir." >\r
+ <echo message="Copy DataSource definition file into JBOSS deploy dir"/> \r
+\r
+ <copy file="${resources.dir}/${datasource.file.name}" todir="${tmp.dir}"/>\r
+\r
+ <mkdir dir="${tmp.dir}"/> \r
+\r
+ <replace file="${tmp.dir}/${datasource.file.name}">\r
+ <replacefilter token="@datasource.name@" value="${datasource.name}"/>\r
+ <replacefilter token="@database.connection.url@" value="${database.connection.url}"/>\r
+ <replacefilter token="@database.driver@" value="${database.driver}"/>\r
+ <replacefilter token="@database.login@" value="${database.login}"/>\r
+ <replacefilter token="@database.password@" value="${database.password}"/>\r
+ </replace> \r
+\r
+ <copy file="${tmp.dir}/${datasource.file.name}" todir="${jboss.deploy.dir}"/> \r
+\r
+ <delete dir="${tmp.dir}" /> \r
+ </target>\r
+ \r
+ \r
+ <target name="install-JDBC-driver" description="Copy Postgresql JDBC Driver into JBOSS deploy dir." >\r
+ <echo message="Postgresql JDBC Driver into JBOSS deploy dir"/> \r
+\r
+ <copy todir="${jboss.deploy.dir}">\r
+ <fileset dir="${compiletime.lib.dir}"> \r
+ <include name="postgres*.jar"/>\r
+ </fileset>\r
+ </copy>\r
+ </target> \r
+ \r
+</project>\r
--- /dev/null
+<?xml version="1.0" encoding="UTF-8"?>\r
+<!DOCTYPE application PUBLIC '-//Sun Microsystems, Inc.//DTD J2EE Application 1.3//EN' \r
+ 'http://java.sun.com/dtd/application_1_3.dtd'>\r
+\r
+<application>\r
+\r
+ <display-name>postgis-ejb2-poc</display-name>\r
+\r
+ <description>Using PostGIS Geometry Types with EJB2 - Proof of Concept</description>\r
+\r
+ <module>\r
+ <ejb>ejb.jar</ejb>\r
+ </module>\r
+\r
+ <module>\r
+ <java>common.jar</java>\r
+ </module>\r
+\r
+</application>\r
--- /dev/null
+# You can change these properties to fit your environment.\r
+# This should be the only file to modify.\r
+# Note that you should NOT leave spaces after a property value\r
+\r
+# Name of the created database\r
+database.name=ejb2poc\r
+# User owner of the database tables\r
+database.login=CHANGEIT\r
+# Password for the db user\r
+database.password=CHANGEIT\r
+# IP or hostname of the machine running the database server\r
+database.host=127.0.0.1\r
--- /dev/null
+java.naming.factory.initial=org.jnp.interfaces.NamingContextFactory\r
+java.naming.factory.url.pkgs=org.jboss.naming:org.jnp.interfaces\r
+java.naming.provider.url=localhost\r
--- /dev/null
+<?xml version="1.0" encoding="UTF-8"?>\r
+\r
+<!-- ================================================== -->\r
+<!-- Datasource config for Postgres -->\r
+<!-- DO NOT EDIT, it is a template configuration file! -->\r
+<!-- ================================================== -->\r
+\r
+\r
+<datasources>\r
+ <local-tx-datasource>\r
+ <jndi-name>@datasource.name@</jndi-name>\r
+ <connection-url>@database.connection.url@</connection-url>\r
+ <driver-class>@database.driver@</driver-class>\r
+ <user-name>@database.login@</user-name>\r
+ <password>@database.password@</password>\r
+ </local-tx-datasource>\r
+</datasources>
\ No newline at end of file
--- /dev/null
+/*
+ * Client.java
+ *
+ * Using PostGIS Geometry Types with EJB2 - Proof of Concept
+ *
+ * Copyright 2006, Geodetix S.r.l. (http://www.geodetix.it)
+ * and individual contributors as indicated by the @authors tag.
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License as published by the Free
+ * Software Foundation, either version 2.1 of the License.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA or visit the web at
+ * http://www.gnu.org.
+ *
+ */
+package com.geodetix.geo.client;
+
+import com.geodetix.geo.exception.ApplicationGeoLayerException;
+import com.geodetix.geo.interfaces.GeometryFacade;
+import com.geodetix.geo.interfaces.GeometryFacadeHome;
+
+import com.geodetix.geo.util.GeometryFacadeUtil;
+import com.geodetix.geo.value.GeometryValue;
+
+import java.rmi.RemoteException;
+
+import javax.naming.InitialContext;
+import javax.naming.Context;
+import javax.naming.NamingException;
+import javax.rmi.PortableRemoteObject;
+
+import java.util.*;
+import org.postgis.*;
+
+
+/**
+ * A client executing a simple Test Case and illustrating the Geometry Bean Usage.
+ *
+ * @author <a href="mailto:antonio.pace@geodetix.it">Antonio Pace</a>
+ */
+public class Client {
+
+
+ private GeometryFacade geometryFacade;
+
+ private Point p1;
+ private Point p2;
+ private LineString fromP1toP2;
+ private Polygon searchPolygon;
+
+
+ /**
+ * Initializer method.
+ *
+ * @param geometryFacade the geometry facade object used to interact
+ * with the EJBs
+ */
+ public Client(GeometryFacade geometryFacade) {
+
+ this.geometryFacade=geometryFacade;
+
+ this.init();
+ }
+
+ private void init(){
+
+ // Create geometry stuff
+
+ // City Stadium
+ this.p1= new Point(16.23034006,39.31054320);
+
+ // City Train Station
+ this.p2= new Point(16.26002601,39.31920668);
+
+ this.fromP1toP2= new LineString(new Point[] {p1,p2});
+
+
+ // Create search polygon
+
+ Point[] points = new Point[]{
+
+ new Point(16.16399297, 39.40109388),
+ new Point(16.32368776, 39.39596998),
+ new Point(16.32397242, 39.25335486),
+ new Point(16.16399297, 39.25534748),
+ new Point(16.16399297, 39.40109388),
+ };
+
+ LinearRing[] linearRings = { new LinearRing(points) };
+
+ // City Area Extension
+ this.searchPolygon = new Polygon(linearRings);
+ }
+
+
+
+ private void executeNonOpenGisTest() throws ApplicationGeoLayerException, RemoteException {
+
+ System.out.println("Execute some Tests on NON-OpenGIS Geometry EJBs");
+
+ geometryFacade.createGeometryTable();
+
+ System.out.println("create some geometry stuff...");
+
+ this.showGeometry(p1);
+ GeometryValue gv1 = geometryFacade.createGeometry(p1,"[ City Stadium ]");
+
+ this.showGeometry(p2);
+ GeometryValue gv2 = geometryFacade.createGeometry(p2,"[ City Train Station ]");
+
+ this.showGeometry(fromP1toP2);
+ GeometryValue gv3 = geometryFacade.createGeometry(fromP1toP2,"Line from "
+ + gv1.getDescription()
+ + " to "
+ + gv2.getDescription());
+
+ System.out.println("Searching created geometries in City Area Perimeter: ");
+ this.showGeometry(searchPolygon);
+
+ Collection<GeometryValue> findResults = (Collection<GeometryValue>) geometryFacade.findByPolygon(searchPolygon);
+
+ System.out.println("Search Results:");
+
+ for (GeometryValue geometry : findResults ) {
+
+ this.showGeometry(geometry);
+ }
+
+ geometryFacade.dropGeometryTable();
+ }
+
+
+
+
+
+ private void executeOpenGisTest() throws ApplicationGeoLayerException, RemoteException {
+
+ System.out.println("Execute some Tests on OpenGIS Geometry EJBs");
+
+ geometryFacade.createGeometryTable("POINT",4326,2);
+
+ System.out.println("Create some Points ....");
+
+ // Setting SRID
+ this.p1.setSrid(4326);
+ this.p2.setSrid(4326);
+ this.searchPolygon.setSrid(4326);
+
+ this.showGeometry(p1);
+ GeometryValue gv1 = geometryFacade.createGeometry(p1,"[ City Stadium ]");
+
+ this.showGeometry(p2);
+ GeometryValue gv2 = geometryFacade.createGeometry(p2,"[ City Train Station ]");
+
+ System.out.println();
+ System.out.println("Searching created Points in City Area Perimeter: ");
+ this.showGeometry(searchPolygon);
+
+ // Note the use of geometricFacade finder method
+ Collection<GeometryValue> findResults = (Collection<GeometryValue>) geometryFacade.findByPolygon(searchPolygon);
+
+ System.out.println("Search Results:");
+
+ for (GeometryValue geometry : findResults ) {
+
+ this.showGeometry(geometry);
+ }
+
+ geometryFacade.dropGeometryTable();
+ }
+
+
+
+ private void showGeometry(Geometry geometry) {
+
+ System.out.println("Geometry: "+geometry.getTypeString()+geometry.getValue() + " SRID: "+geometry.getSrid());
+ }
+
+
+ private void showGeometry(GeometryValue geometryValue) {
+
+ System.out.println("EJB Id: "+geometryValue.getId());
+ System.out.println("Description: "+geometryValue.getDescription());
+
+ this.showGeometry(geometryValue.getGeometry());
+ }
+
+
+ /**
+ * Main client method.
+ *
+ * @param args arguments from the command line
+ */
+ public static void main(String [] args) {
+
+ try {
+
+ GeometryFacadeHome geometryFacadeHome= GeometryFacadeUtil.getHome();
+
+ GeometryFacade geometryFacade= geometryFacadeHome.create();
+
+ Client client = new Client(geometryFacade);
+
+ System.out.println("===============================");
+ System.out.println("== TEST 1 =====================");
+ System.out.println("===============================");
+ client.executeNonOpenGisTest();
+
+ System.out.println("===============================");
+ System.out.println("== TEST 2 =====================");
+ System.out.println("===============================");
+ client.executeOpenGisTest();
+
+ System.out.println("===============================");
+ System.out.println("DONE.");
+
+ } catch (ApplicationGeoLayerException ae) {
+ ae.printStackTrace();
+ } catch (java.rmi.RemoteException re) {
+ re.printStackTrace();
+ } catch (javax.naming.NamingException ne) {
+ ne.printStackTrace();
+ } catch (javax.ejb.CreateException ce) {
+ ce.printStackTrace();
+ }
+
+ }
+
+
+
+ private static Context getInitialContext()
+ throws javax.naming.NamingException {
+
+ return new javax.naming.InitialContext();
+ }
+
+}
--- /dev/null
+/*
+ * PostGisGeometryDAO.java
+ *
+ * Using PostGIS Geometry Types with EJB2 - Proof of Concept
+ *
+ * Copyright 2006, Geodetix S.r.l. (http://www.geodetix.it)
+ * and individual contributors as indicated by the @authors tag.
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License as published by the Free
+ * Software Foundation, either version 2.1 of the License.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA or visit the web at
+ * http://www.gnu.org.
+ *
+ */
+package com.geodetix.geo.dao;
+
+
+/**
+ * This is the DAO (Data Access Object) interface customized for
+ * the PostGIS database which extends the XDoclet's auto-generated
+ * GeometryDao interface and contains all of the SQL query statements.
+ *
+ * @author <a href="mailto:antonio.pace@geodetix.it">Antonio Pace</a>
+ *
+ */
+public interface PostGisGeometryDAO extends GeometryDao {
+
+ /* ========== Constants Definition ============ */
+
+ /** DataSource Lookup String */
+ public static final String DATASOURCE_NAME = "java:/postgis-ejb2-ds";
+
+ /* ========== SQL Queries Definition ============ */
+
+ /**
+ * Query executed from
+ * {@link com.geodetix.geo.dao.PostGisGeometryDAOImpl}
+ * on PostGIS when the method
+ * {@link com.geodetix.geo.ejb.GeometryBean#ejbCreate(org.postgis.Geometry, java.lang.String)}
+ * is called.
+ */
+ public static final String EJB_CREATE_STATEMENT =
+ "INSERT INTO geometries (id,geometry,description) VALUES (?,?,?)";
+
+ /**
+ * Query executed from
+ * {@link com.geodetix.geo.dao.PostGisGeometryDAOImpl}
+ * on PostGIS when the method
+ * {@link com.geodetix.geo.interfaces.GeometryLocalHome#findByPrimaryKey(java.lang.Integer)}
+ * is called.
+ */
+ public static final String FIND_BY_PRIMARY_KEY_STATEMENT =
+ "SELECT id FROM geometries WHERE id = ?";
+
+
+ /**
+ * Query executed from
+ * {@link com.geodetix.geo.dao.PostGisGeometryDAOImpl}
+ * on PostGIS when the method
+ * {@link com.geodetix.geo.interfaces.GeometryLocalHome#findByPolygon(org.postgis.Polygon)}
+ * is called.
+ */
+ public static final String FIND_BY_POLYGON_STATEMENT =
+ "SELECT id FROM geometries WHERE contains(?,geometry)";
+
+
+ /**
+ * Query executed from
+ * {@link com.geodetix.geo.dao.PostGisGeometryDAOImpl}
+ * on PostGIS when the method
+ * {@link com.geodetix.geo.interfaces.GeometryLocalHome#makeDbTable()}
+ * is called.
+ */
+ public static final String HOME_CREATE_NON_OPENGIS_TABLE_STATEMENT =
+ "CREATE TABLE geometries (id INT PRIMARY KEY, description TEXT, geometry GEOMETRY)";
+
+
+ /**
+ * Query executed from
+ * {@link com.geodetix.geo.dao.PostGisGeometryDAOImpl}
+ * on PostGIS when the method
+ * {@link com.geodetix.geo.interfaces.GeometryLocalHome#makeDbTable(java.lang.String, int, int)}
+ * is called for create initial table.
+ */
+ public static final String HOME_CREATE_OPENGIS_TABLE_STATEMENT =
+ "CREATE TABLE geometries (id INT PRIMARY KEY, description TEXT)";
+
+
+ /**
+ * Query executed from
+ * {@link com.geodetix.geo.dao.PostGisGeometryDAOImpl}
+ * on PostGIS when the method
+ * {@link com.geodetix.geo.interfaces.GeometryLocalHome#makeDbTable(java.lang.String, int, int)}
+ * is called for adding geometry column.
+ */
+ public static final String ADD_OPEN_GIS_GEOMETRY_COLUMN_STATEMENT =
+ "SELECT AddGeometryColumn('','geometries','geometry',?,?,?)";
+
+
+ /**
+ * Query executed from
+ * {@link com.geodetix.geo.dao.PostGisGeometryDAOImpl}
+ * on PostGIS when the method
+ * {@link com.geodetix.geo.interfaces.GeometryLocalHome#dropDbTable()}
+ * is called for adding geometry column.
+ */
+ public static final String DROP_TABLE_STATEMENT =
+ "DROP TABLE geometries";
+
+
+ /**
+ * Query executed from
+ * {@link com.geodetix.geo.dao.PostGisGeometryDAOImpl}
+ * on PostGIS when the method
+ * {@link com.geodetix.geo.ejb.GeometryBMP#ejbLoad()}
+ * is called from the container.
+ */
+ public static final String EJB_LOAD_STATEMENT =
+ "SELECT id,geometry,description FROM geometries WHERE id=?";
+
+
+ /**
+ * Query executed from
+ * {@link com.geodetix.geo.dao.PostGisGeometryDAOImpl}
+ * on PostGIS when the method
+ * {@link com.geodetix.geo.ejb.GeometryBMP#ejbStore()}
+ * is called from the container.
+ */
+ public static final String EJB_STORE_STATEMENT =
+ "UPDATE geometries SET geometry=?, description=? WHERE id=?";
+
+
+ /**
+ * Query executed from
+ * {@link com.geodetix.geo.dao.PostGisGeometryDAOImpl}
+ * on PostGIS when the method
+ * {@link com.geodetix.geo.ejb.GeometryBean#ejbRemove()}
+ * is called from the container.
+ */
+ public static final String EJB_REMOVE_STATEMENT =
+ "DELETE FROM geometries WHERE id = ?";
+
+} // end PostGisGeometryDAO
--- /dev/null
+/*
+ * PostGisGeometryDAOImpl.java
+ *
+ * Using PostGIS Geometry Types with EJB2 - Proof of Concept
+ *
+ * Copyright 2006, Geodetix S.r.l. (http://www.geodetix.it)
+ * and individual contributors as indicated by the @authors tag.
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License as published by the Free
+ * Software Foundation, either version 2.1 of the License.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA or visit the web at
+ * http://www.gnu.org.
+ *
+ */
+package com.geodetix.geo.dao;
+
+import org.apache.commons.logging.*;
+
+import org.postgis.*;
+
+import java.sql.*;
+
+import java.util.*;
+
+import javax.ejb.*;
+
+import javax.naming.*;
+
+import javax.sql.*;
+
+import java.io.*;
+
+/**
+ *
+ * PostGis DAO Implementation for
+ * {@link com.geodetix.geo.ejb.GeometryBean} BMP Persistence.
+ *
+ * @author <a href="mailto:antonio.pace@geodetix.it">antonio.pace</a>
+ *
+ */
+public class PostGisGeometryDAOImpl implements PostGisGeometryDAO {
+
+
+ private DataSource dataSource;
+ private Context jndiCntx;
+
+ /**
+ * Creates a new instance of PostGisPointDAO.
+ */
+ public PostGisGeometryDAOImpl() {}
+
+
+
+ /** Initializes the bean. */
+ public void init() {
+ try {
+
+ jndiCntx = new InitialContext();
+ dataSource = (DataSource) jndiCntx.lookup(PostGisGeometryDAO.DATASOURCE_NAME);
+
+ } catch (NamingException ne) {
+ throw new EJBException(ne);
+ }
+ }
+
+
+
+
+ /* =========== Create Methods ============ */
+
+
+
+ /**
+ * PostGIS implementation of the
+ * {@link com.geodetix.geo.ejb.GeometryBean#ejbCreate(org.postgis.Geometry, java.lang.String)}
+ * method.
+ *
+ * @return the primary key of the persisted bean.
+ * @param ejb the bean to persist.
+ * @throws javax.ejb.CreateException launched if an EJB creation error is encountered.
+ * @throws javax.ejb.EJBException launched if a generic EJB error is encountered.
+ */
+ public java.lang.Integer create(com.geodetix.geo.ejb.GeometryBean ejb)
+ throws javax.ejb.CreateException, javax.ejb.EJBException {
+
+ PreparedStatement pstm = null;
+ Connection con = null;
+
+
+ try {
+ con = this.dataSource.getConnection();
+
+ pstm = con.prepareStatement(PostGisGeometryDAO.EJB_CREATE_STATEMENT);
+
+ pstm.setInt(1, ejb.getId());
+ pstm.setObject(2, new PGgeometry((Geometry)ejb.getGeometry()));
+ pstm.setString(3,ejb.getDescription());
+
+ if (pstm.executeUpdate() != 1) {
+ throw new CreateException(
+ "Failed to add EJB to database");
+ }
+
+ return ejb.getId();
+
+ } catch (SQLException se) {
+ throw new EJBException(se);
+
+ } finally {
+
+ try {
+ if (pstm != null) {
+ pstm.close();
+ }
+ } catch (Exception e) {}
+
+ try {
+ if (con != null) {
+ con.close();
+ }
+
+ } catch (Exception e) {}
+ }
+ }
+
+
+
+
+
+
+ /* ============ Finder Methods ============== */
+
+
+ /**
+ * PostGIS implementation of the
+ * {@link com.geodetix.geo.interfaces.GeometryLocalHome#findByPrimaryKey(java.lang.Integer)}
+ * method
+ *
+ *
+ * @return the found bean's prymary key.
+ * @param primaryKey primary key of searching bean.
+ * @throws javax.ejb.FinderException launched if an error occours during the search operation.
+ */
+ public java.lang.Integer findByPrimaryKey(java.lang.Integer primaryKey)
+ throws javax.ejb.FinderException {
+
+ PreparedStatement pstm = null;
+ Connection con = null;
+ ResultSet result = null;
+
+
+ try {
+
+ con = this.dataSource.getConnection();
+
+ pstm = con.prepareStatement(PostGisGeometryDAO.FIND_BY_PRIMARY_KEY_STATEMENT);
+
+ pstm.setInt(1, primaryKey.intValue());
+
+ result = pstm.executeQuery();
+
+ if (!result.next()) {
+ throw new ObjectNotFoundException(
+ "Cannot find Geometry Bean with id = " + primaryKey);
+ }
+
+ } catch (SQLException se) {
+ throw new EJBException(se);
+ } finally {
+ try {
+ if (result != null) {
+ result.close();
+ }
+ } catch (Exception e) {}
+
+ try {
+ if (pstm != null) {
+ pstm.close();
+ }
+ } catch (Exception e) {}
+
+ try {
+ if (con != null) {
+ con.close();
+ }
+ } catch (Exception e) {}
+ }
+
+ return primaryKey;
+ }
+
+
+
+
+ /**
+ * PostGIS implementation of the
+ * {@link com.geodetix.geo.interfaces.GeometryLocalHome#findByPolygon(org.postgis.Polygon)}
+ * method
+ *
+ * @return a collection of bean's primary key beeing found.
+ * @param polygon the {@link org.postgis.Polygon} to search in.
+ * @throws javax.ejb.FinderException launched if an error occours during the search operation.
+ */
+ public java.util.Collection findByPolygon(org.postgis.Polygon polygon)
+ throws javax.ejb.FinderException {
+
+ PreparedStatement pstm = null;
+ Connection con = null;
+ ResultSet result = null;
+
+ try {
+
+ con = this.dataSource.getConnection();
+
+ pstm = con.prepareStatement(PostGisGeometryDAO.FIND_BY_POLYGON_STATEMENT);
+
+ pstm.setObject(1, new PGgeometry(polygon));
+
+ result = pstm.executeQuery();
+
+ Vector keys = new Vector();
+
+ while (result.next()) {
+ keys.addElement(result.getObject("id"));
+ }
+
+ return keys;
+
+ } catch (SQLException se) {
+ throw new EJBException(se);
+
+ } finally {
+ try {
+ if (result != null) {
+ result.close();
+ }
+ } catch (Exception e) {}
+
+ try {
+ if (pstm != null) {
+ pstm.close();
+ }
+ } catch (Exception e) {}
+
+ try {
+ if (con != null) {
+ con.close();
+ }
+ } catch (Exception e) {}
+ }
+ }
+
+
+
+
+ /* =========== Bean's Life Cycle Methods ============= */
+
+
+
+ /**
+ * PostGIS implementation of the entity bean's life cycle method
+ * <code>ejbLoad()</code>.
+ *
+ * @param pk the primary key of the bean to load.
+ * @param ejb the ejb whose data must be loaded.
+ * @throws javax.ejb.EJBException launched if a generic EJB error is encountered.
+ */
+ public void load(java.lang.Integer pk, com.geodetix.geo.ejb.GeometryBean ejb)
+ throws javax.ejb.EJBException {
+
+ PreparedStatement pstm = null;
+ Connection con = null;
+ ResultSet result = null;
+
+ try {
+
+ con = this.dataSource.getConnection();
+
+ pstm = con.prepareStatement(PostGisGeometryDAO.EJB_LOAD_STATEMENT);
+
+ pstm.setInt(1, pk.intValue());
+
+ result = pstm.executeQuery();
+
+ if (result.next()) {
+ ejb.setId(pk);
+ ejb.setGeometry(((PGgeometry) result.getObject("geometry")).getGeometry());
+ ejb.setDescription((String) result.getString("description"));
+
+ } else {
+
+ throw new EJBException("ejbLoad unable to load EJB.");
+ }
+
+ } catch (SQLException se) {
+ throw new EJBException(se);
+
+ } finally {
+ try {
+ if (result != null) {
+ result.close();
+ }
+ } catch (Exception e) {}
+
+ try {
+ if (pstm != null) {
+ pstm.close();
+ }
+ } catch (Exception e) {}
+
+ try {
+ if (con != null) {
+ con.close();
+ }
+ } catch (Exception e) {}
+ }
+ }
+
+
+ /**
+ * PostGIS implementation of the entity bean's lifecicle method
+ * <code>ejbStore()</code>.
+ *
+ * @param ejb the ejb whose data must be stored.
+ * @throws javax.ejb.EJBException launched if a generic EJB error is encountered.
+ */
+ public void store(com.geodetix.geo.ejb.GeometryBean ejb)
+ throws javax.ejb.EJBException {
+
+ PreparedStatement pstm = null;
+ Connection con = null;
+
+
+ try {
+
+ con = this.dataSource.getConnection();
+
+ pstm = con.prepareStatement(PostGisGeometryDAO.EJB_STORE_STATEMENT);
+
+ pstm.setObject(1, new PGgeometry(ejb.getGeometry()));
+ pstm.setString(2,ejb.getDescription());
+ pstm.setInt(3, ejb.getId().intValue());
+
+ if (pstm.executeUpdate() != 1) {
+ throw new EJBException("ejbStore unable to update EJB.");
+ }
+
+ } catch (SQLException se) {
+
+ throw new EJBException(se);
+
+ } finally {
+
+ try {
+ if (pstm != null) {
+ pstm.close();
+ }
+ } catch (Exception e) {}
+
+ try {
+ if (con != null) {
+ con.close();
+ }
+
+ } catch (Exception e) {}
+ }
+ }
+
+
+ /**
+ * PostGIS implementation of the entity bean's lifecicle method
+ * <code>ejbRemove()</code>.
+ *
+ *
+ * @param pk primary key of the bean that must be removed .
+ * @throws javax.ejb.RemoveException launched if an error during
+ * EJB remove operation is encountered.
+ * @throws javax.ejb.EJBException launched if a generic EJB error is encountered.
+ */
+ public void remove(java.lang.Integer pk)
+ throws javax.ejb.RemoveException, javax.ejb.EJBException {
+
+ PreparedStatement pstm = null;
+ Connection con = null;
+
+
+ try {
+
+ con = this.dataSource.getConnection();
+
+ pstm = con.prepareStatement(PostGisGeometryDAO.EJB_REMOVE_STATEMENT);
+
+ pstm.setInt(1, pk.intValue());
+
+ if (pstm.executeUpdate() != 1) {
+ throw new EJBException("ejbRemove unable to remove EJB.");
+ }
+ } catch (SQLException se) {
+
+ throw new EJBException(se);
+
+ } finally {
+ try {
+ if (pstm != null) {
+ pstm.close();
+ }
+ } catch (Exception e) {}
+
+ try {
+ if (con != null) {
+ con.close();
+ }
+ } catch (Exception e) {}
+ }
+ }
+
+
+
+
+
+ /* =========== Home Interface Utility Methods ============ */
+
+
+ /**
+ * PostGIS implementation of the
+ * {@link com.geodetix.geo.interfaces.GeometryLocalHome#makeDbTable(java.lang.String, int, int)}
+ * method creating a NON-OpenGis compliant table in the PostGIS database.
+ * The table will contain the geometry EJBs.
+ */
+ public void makeDbTable() {
+
+ PreparedStatement pstm = null;
+ Connection con = null;
+
+
+ try {
+
+ con = this.dataSource.getConnection();
+
+ System.out.println("Creating non-OpenGIG Bean table... ");
+
+ pstm = con.prepareStatement(PostGisGeometryDAO.HOME_CREATE_NON_OPENGIS_TABLE_STATEMENT);
+ pstm.execute();
+
+ System.out.println("...done!");
+
+ } catch (SQLException e) {
+ throw new EJBException(e);
+
+ } finally {
+
+ try {
+ if (pstm != null) {
+ pstm.close();
+ }
+ } catch (Exception e) {}
+
+ try {
+ if (con != null) {
+ con.close();
+ }
+
+ } catch (Exception e) {}
+ }
+ }
+
+
+
+ /**
+ * PostGIS implementation of the
+ * {@link com.geodetix.geo.interfaces.GeometryLocalHome#makeDbTable(java.lang.String, int, int)}
+ * method creating an OpenGIS compliant table in the PostGIS database.
+ * The table will contain the geometry EJBs.
+ *
+ * @param gemetryType the string that rapresent a valid PostGIS
+ * geometry type (i.e.: POINT, LINESTRING, POLYGON etc.).
+ * @param srid the SRID of the geometry.
+ * @param geometryDimension the dimension of the geometry.
+ */
+ public void makeDbTable(String gemetryType, int srid, int geometryDimension) {
+
+ PreparedStatement pstm = null;
+ Connection con = null;
+
+
+ try {
+
+ con = this.dataSource.getConnection();
+
+ System.out.println("Creating OpenGIS Bean table...");
+
+ pstm = con.prepareStatement(PostGisGeometryDAO.HOME_CREATE_OPENGIS_TABLE_STATEMENT);
+ pstm.execute();
+
+ pstm = con.prepareStatement(PostGisGeometryDAO.ADD_OPEN_GIS_GEOMETRY_COLUMN_STATEMENT);
+ pstm.setInt(1,srid);
+ pstm.setString(2,gemetryType);
+ pstm.setInt(3,geometryDimension);
+
+ pstm.execute();
+
+ System.out.println("...done!");
+
+ } catch (SQLException e) {
+ throw new EJBException(e);
+
+ } finally {
+
+ try {
+ if (pstm != null) {
+ pstm.close();
+ }
+ } catch (Exception e) {}
+
+ try {
+ if (con != null) {
+ con.close();
+ }
+
+ } catch (Exception e) {}
+ }
+ }
+
+
+ /**
+ * PostGIS implementation of the
+ * {@link com.geodetix.geo.interfaces.GeometryLocalHome#dropDbTable()}
+ * method removing the table related to the EJBs.
+ */
+ public void dropDbTable() {
+
+ PreparedStatement pstm = null;
+ Connection con = null;
+
+
+ try {
+
+ con = this.dataSource.getConnection();
+
+ System.out.println("Dropping Bean Table... ");
+
+ pstm = con.prepareStatement(PostGisGeometryDAO.DROP_TABLE_STATEMENT);
+ pstm.execute();
+
+ System.out.println("...done!");
+
+ } catch (SQLException e) {
+
+ throw new EJBException(e);
+
+ } finally {
+
+ try {
+ if (pstm != null) {
+ pstm.close();
+ }
+ } catch (Exception e) {}
+
+ try {
+ if (con != null) {
+ con.close();
+ }
+
+ } catch (Exception e) {}
+ }
+ }
+
+
+}
\ No newline at end of file
--- /dev/null
+/*
+ * GeometryBean.java
+ *
+ * Using PostGIS Geometry Types with EJB2 - Proof of Concept
+ *
+ * Copyright 2006, Geodetix S.r.l. (http://www.geodetix.it)
+ * and individual contributors as indicated by the @authors tag.
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License as published by the Free
+ * Software Foundation, either version 2.1 of the License.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA or visit the web at
+ * http://www.gnu.org.
+ *
+ */
+package com.geodetix.geo.ejb;
+
+
+import javax.ejb.*;
+
+import java.util.*;
+
+import org.postgis.*;
+
+import com.geodetix.geo.value.GeometryValue;
+
+/**
+ * This BMP (Bean Managed Persistence) entity bean stores information
+ * about geometrical description of a choosen entity in some application
+ * domain. It stores geometrical infos in the <code>geometry</code> attribute
+ * of type <code>org.postgis.Geometry</code>. Note that such an attribute could
+ * even be implemented as a pure text (i.e. Java <code>String</code>) field
+ * following the WKT format, thus leaving geometric details to the PostGIS
+ * api classes (see <code>README</code> file for further details).
+ *
+ * @ejb.bean
+ * name="Geometry"
+ * jndi-name="geodetix/geo/Geometry"
+ * local-jndi-name="geodetix/geo/GeometryLocal"
+ * type="BMP"
+ * view-type="local"
+ * primkey-field="id"
+ *
+ * @ejb.dao
+ * impl-class="com.geodetix.geo.dao.PostGisGeometryDAOImpl"
+ *
+ *
+ * @ejb.transaction
+ * type="RequiresNew"
+ *
+ *
+ * @ejb.value-object
+ * name="Geometry"
+ * match="value"
+ *
+ * @author <a href="mailto:antonio.pace@geodetix.it">Antonio Pace</a>
+ *
+ */
+public abstract class GeometryBean implements javax.ejb.EntityBean {
+
+
+ /* TEMPORARY (NOT FOR REAL WORLD) PRIMARY KEY GENERATOR */
+ private static final int SIMPLE_ID_GENERATOR = (int) System.currentTimeMillis();
+ private static int actualId = SIMPLE_ID_GENERATOR;
+
+
+
+ /* BMP fields */
+ private Integer id;
+ private String description;
+ private Geometry geometry;
+
+
+
+
+ /* CREATE METHODS */
+
+
+ /**
+ * Creates a new Geometry Bean.
+ *
+ * @ejb.create-method
+ *
+ * @param geometry the <code>org.postgis.Geometry</code> that has to be
+ * included in this EJB.
+ * @param description the textual description of this bean.
+ * @throws CreateException lauched if an error occours during the
+ * EJB creation.
+ * @return the EJB's primary key.
+ */
+ public Integer ejbCreate(org.postgis.Geometry geometry,String description)
+ throws CreateException {
+
+ this.id = (new Integer(actualId++));
+ this.geometry = geometry;
+ this.description=description;
+
+ /* For now return null, this will be overrided in the DAO implementation of this method */
+ return null;
+ }
+
+ /**
+ * This method is called by the container after the EJB creation.
+ *
+ * @param geometry the <code>org.postgis.Geometry</code> that has to be
+ * included in this EJB.
+ */
+ public void ejbPostCreate(org.postgis.Geometry geometry) {
+
+ // Do something with Relationship.
+ }
+
+
+
+
+
+ /* ========== Finder Methods =========== */
+
+
+ /**
+ * Find a Geometry Bean from his primary key.
+ *
+ * @param primaryKey the primary key of the bean to found.
+ * @throws FinderException lauched if an error occours during the
+ * EJB search operation.
+ */
+ public abstract Integer ejbFindByPrimaryKey(Integer primaryKey)
+ throws FinderException;
+
+
+
+
+ /**
+ * Find all of the geometry beans contained in a <code>Polygon</code>.
+ *
+ * @param polygon the Polygon to search in.
+ */
+ public abstract Collection ejbFindByPolygon(org.postgis.Polygon polygon)
+ throws FinderException;
+
+
+
+
+
+ /* ============== BMP Fields Accessor Methods ============ */
+
+
+ /**
+ * Returns the EJB's id field.
+ *
+ * @ejb.pk-field
+ * @ejb.interface-method
+ * @ejb.value-object match="value"
+ */
+ public Integer getId() {
+
+ return this.id;
+ }
+
+
+ /**
+ * Modifies the id field.
+ */
+ public void setId(Integer id) {
+
+ this.id = id;
+
+ this.makeDirty();
+ }
+
+
+ /**
+ * Returns the EJB's textual description.
+ *
+ * @ejb.interface-method
+ * @ejb.value-object match="value"
+ * @return the Geometry Bean description.
+ */
+ public String getDescription() {
+
+ return this.description;
+ }
+
+ /**
+ * Modifies the EJB's textual description.
+ *
+ * @ejb.interface-method
+ * @param description the Geometry Bean description.
+ */
+ public void setDescription(String description) {
+
+ this.description = description;
+
+ this.makeDirty();
+ }
+
+
+
+ /**
+ * Returns the EJB's geometrical description.
+ *
+ * @ejb.interface-method
+ * @ejb.value-object match="value"
+ * @return the org.postgis.Geometry included in this bean.
+ */
+ public org.postgis.Geometry getGeometry() {
+
+ return this.geometry;
+ }
+
+ /**
+ * Modifies the EJB's geometrical description.
+ *
+ * @ejb.interface-method
+ * @param geometry the <code>org.postgis.Geometry</code> that has to
+ * be included in this EJB.
+ */
+ public void setGeometry(org.postgis.Geometry geometry) {
+
+ this.geometry = geometry;
+
+ this.makeDirty();
+ }
+
+
+
+
+
+ /* HOME INTERFACE BMP UTILITY METHODS */
+
+
+ /**
+ * Create a non-OpenGIS DataBase table, used to persist the Geometry Beans.
+ *
+ * @ejb.home-method
+ *
+ * @dao.call
+ */
+ public abstract void ejbHomeMakeDbTable();
+
+
+
+ /**
+ * Create OpenGIS DataBase table, used to persist the Geometry Beans.
+ *
+ * @ejb.home-method
+ *
+ * @dao.call
+ */
+ public abstract void ejbHomeMakeDbTable(String gemetryType, int srid, int geometryDimension);
+
+
+
+ /**
+ * Remove Bean's Persistence Teable of the DataBase.
+ *
+ * @ejb.home-method
+ *
+ * @dao.call
+ */
+ public abstract void ejbHomeDropDbTable();
+
+
+
+ /* VALUE OBJECTS */
+
+ /**
+ * This is an abstract method to allow XDoclet to expose
+ * value object functionalities in the local/remote interface.
+ *
+ * @ejb.interface-method
+ *
+ * @return a value object for this GeometryBean.
+ */
+ public abstract GeometryValue getGeometryValue();
+
+
+
+
+
+ /* XDOCLET BMP METHODS RELATED STUFF */
+
+
+ /**
+ * @see com.geodetix.geo.ejb.GeometryBMP source.
+ */
+ protected abstract void makeDirty();
+
+}
--- /dev/null
+/*
+ * GeometryFacadeBean.java
+ *
+ * Using PostGIS Geometry Types with EJB2 - Proof of Concept
+ *
+ * Copyright 2006, Geodetix S.r.l. (http://www.geodetix.it)
+ * and individual contributors as indicated by the @authors tag.
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License as published by the Free
+ * Software Foundation, either version 2.1 of the License.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA or visit the web at
+ * http://www.gnu.org.
+ *
+ */
+package com.geodetix.geo.ejb;
+
+
+import com.geodetix.geo.exception.ApplicationGeoLayerException;
+import com.geodetix.geo.interfaces.GeometryLocalHome;
+import com.geodetix.geo.interfaces.GeometryLocal;
+import com.geodetix.geo.util.GeometryUtil;
+import com.geodetix.geo.value.GeometryValue;
+
+import org.apache.commons.logging.*;
+
+import org.postgis.*;
+
+import java.rmi.*;
+
+import java.util.*;
+
+import javax.ejb.*;
+
+import javax.naming.*;
+
+
+/**
+ * A SessionFacade for managing Geometry beans.
+ *
+ * @ejb.bean
+ * name="GeometryFacade"
+ * jndi-name="geodetix/geo/GeometryFacade"
+ * local-jndi-name="geodetix/geo/GeometryFacadeLocal"
+ * type="Stateless"
+ * view-type="both"
+ * transaction-type="Container"
+ *
+ * @ejb.ejb-ref
+ * ejb-name="Geometry"
+ * view-type="local"
+ * ref-name="ejb/GeometryLocal"
+ *
+ * @author <a href="mailto:antonio.pace@geodetix.it">Antonio Pace</a>
+ */
+public abstract class GeometryFacadeBean implements SessionBean {
+ private SessionContext ctx;
+
+
+ /**
+ * EJB Initializer.
+ *
+ * @ejb.create-method
+ */
+ public void ejbCreate() throws CreateException {}
+
+ /**
+ * Called after the EJB creation.
+ */
+ public void ejbPostCreate() throws CreateException {}
+
+ /**
+ * Save the EJB session context.
+ */
+ public void setSessionContext(SessionContext ctx)
+ throws EJBException, RemoteException {
+ this.ctx = ctx;
+ }
+
+
+
+
+ /* ============ Finder Methods ============== */
+
+ /**
+ * Find all of the geometry beans contained in a <code>Polygon</code>.
+ *
+ * @ejb.interface-method
+ *
+ * @param polygon The Polygon to search in.
+ */
+ public Collection findByPolygon(org.postgis.Polygon polygon)
+ throws ApplicationGeoLayerException {
+ try {
+ GeometryLocalHome geometryHome = GeometryUtil.getLocalHome();
+ Collection geometries = geometryHome.findByPolygon(polygon);
+
+ List result = new ArrayList();
+
+ for (Iterator iter = geometries.iterator(); iter.hasNext(); ) {
+ GeometryLocal geometry = (GeometryLocal) iter.next();
+
+ result.add(geometry.getGeometryValue());
+ }
+
+ return result;
+
+ } catch (NamingException e) {
+ throw new ApplicationGeoLayerException(e);
+ } catch (FinderException e) {
+ throw new ApplicationGeoLayerException(e);
+ }
+ }
+
+
+
+
+
+ /* =============== Business Iinterfaces Methods ============= */
+
+
+ /**
+ * Creates a new Geometry Bean.
+ *
+ * @ejb.interface-method
+ *
+ * @param geometry the <code>org.postgis.Geometry</code> that has to be
+ * included in this EJB.
+ * @param description the textual description of this bean.
+ * @return a value object representing the created EJB.
+ */
+ public GeometryValue createGeometry(org.postgis.Geometry geometry, String description)
+ throws ApplicationGeoLayerException {
+ try {
+ GeometryLocalHome geometryHome = GeometryUtil.getLocalHome();
+ GeometryLocal geometryLocal =
+ geometryHome.create(geometry,description);
+
+ return geometryLocal.getGeometryValue();
+ } catch (NamingException e) {
+ throw new ApplicationGeoLayerException(e);
+ } catch (CreateException e) {
+ throw new ApplicationGeoLayerException(e);
+ }
+ }
+
+
+
+
+
+ /* ================== BMP Utility Methods ================= */
+
+
+
+ /**
+ * Create a non-OpenGIS DataBase table used to persist the Geometry Beans.
+ * <em>Note that in a real-world application this method should be protected
+ * by using a role-based security policy.</em>
+ *
+ * @ejb.interface-method
+ *
+ * @throws ApplicationGeoLayerException thrown if an error occours
+ * during table creation.
+ */
+ public void createGeometryTable() throws ApplicationGeoLayerException {
+ try {
+ GeometryLocalHome geometryHome = GeometryUtil.getLocalHome();
+
+ geometryHome.makeDbTable();
+ } catch (NamingException e) {
+ throw new ApplicationGeoLayerException(e);
+ } catch (Exception e) {
+ throw new ApplicationGeoLayerException(e);
+ }
+ }
+
+
+ /**
+ * Create an OpenGIS compliant database table used to persist the
+ * Geometry Beans.
+ * <em>Note that in a real-world application this method should be protected
+ * by using a role-based security policy.</em>
+ *
+ * @ejb.interface-method
+ *
+ * @throws ApplicationGeoLayerException thrown if an error occours
+ * during table creation.
+ */
+ public void createGeometryTable(String gemetryType, int srid, int geometryDimension )
+ throws ApplicationGeoLayerException {
+ try {
+ GeometryLocalHome geometryHome = GeometryUtil.getLocalHome();
+
+ geometryHome.makeDbTable(gemetryType, srid, geometryDimension);
+
+ } catch (NamingException e) {
+ throw new ApplicationGeoLayerException(e);
+ } catch (Exception e) {
+ throw new ApplicationGeoLayerException(e);
+ }
+ }
+
+
+
+ /**
+ * Remove the EJB's persistence table from the database.
+ * <em>Note that in a real-world application this method should be protected
+ * by using a role-based security policy.</em>
+ *
+ * @ejb.interface-method
+ *
+ * @throws ApplicationGeoLayerException thrown if an error occours
+ * during table creation.
+ */
+ public void dropGeometryTable() throws ApplicationGeoLayerException {
+ try {
+ GeometryLocalHome geometryHome = GeometryUtil.getLocalHome();
+
+ geometryHome.dropDbTable();
+ } catch (NamingException e) {
+ throw new ApplicationGeoLayerException(e);
+ } catch (Exception e) {
+ throw new ApplicationGeoLayerException(e);
+ }
+ }
+
+
+
+}
--- /dev/null
+/*
+ * ApplicationGeoLayerException.java
+ *
+ * Using PostGIS Geometry Types with EJB2 - Proof of Concept
+ *
+ * Copyright 2006, Geodetix S.r.l. (http://www.geodetix.it)
+ * and individual contributors as indicated by the @authors tag.
+ *
+ *
+ * This library is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License as published by the Free
+ * Software Foundation, either version 2.1 of the License.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA or visit the web at
+ * http://www.gnu.org.
+ *
+ */
+package com.geodetix.geo.exception;
+
+
+/**
+ * Generic Application Exception.
+ *
+ * @author <a href="mailto:antonio.pace@geodetix.it">Antonio Pace</a>
+ *
+ */
+public class ApplicationGeoLayerException extends Exception {
+
+ /**
+ * Creates a new ApplicationGeoLayerException object.
+ */
+ public ApplicationGeoLayerException() {
+ super("unknown");
+
+ } // end ApplicationGeoLayerException()
+
+
+ /**
+ * Creates a new ApplicationGeoLayerException object.
+ *
+ * @param e the wrapped Exception.
+ */
+ public ApplicationGeoLayerException(Exception e) {
+ super(e.getMessage());
+
+ } // end ApplicationGeoLayerException()
+
+
+ /**
+ * Creates a new ApplicationGeoLayerException object.
+ *
+ * @param msg the wrapped Message.
+ */
+ public ApplicationGeoLayerException(String msg) {
+ super(msg);
+
+ } // end ApplicationGeoLayerException()
+
+} // end ApplicationGeoLayerException
projects / postgis / commitdiff