From: Markus Schaber Date: Wed, 30 Aug 2006 08:46:32 +0000 (+0000) Subject: added EJB2 support POC X-Git-Tag: 1.1.4~19 X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=2cb0d395f0ca217a34011344bb49cf60bd48fc29;p=postgis added EJB2 support POC git-svn-id: http://svn.osgeo.org/postgis/trunk@2466 b70326c6-7e19-0410-871a-916f4a2858ee --- diff --git a/CHANGES b/CHANGES index 1f907f413..8a7990cbb 100644 --- a/CHANGES +++ b/CHANGES @@ -8,6 +8,8 @@ PostGIS 1.1.4CVS - 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 diff --git a/jdbc2/ejb2/CHANGES b/jdbc2/ejb2/CHANGES new file mode 100644 index 000000000..226efe327 --- /dev/null +++ b/jdbc2/ejb2/CHANGES @@ -0,0 +1,6 @@ +PostGIS-EJB2-POC 1.0 +2006/08/29 + +- Initial release! +- EJB 2.x support +- XDoclet code generation diff --git a/jdbc2/ejb2/COPYING b/jdbc2/ejb2/COPYING new file mode 100644 index 000000000..a52b16e40 --- /dev/null +++ b/jdbc2/ejb2/COPYING @@ -0,0 +1,341 @@ + + 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 + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The licenses for most software are designed to take away your +freedom to share and change it. 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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 + +Also add information on how to contact you by electronic and paper mail. + +You should also get your employer (if you work as a programmer) or +your school, if any, to sign a "copyright disclaimer" for the library, +if necessary. Here is a sample; alter the names: + + Yoyodyne, Inc., hereby disclaims all copyright interest in the + library `Frob' (a library for tweaking knobs) written by James + Random Hacker. + + , 1 April 1990 + Ty Coon, President of Vice + +That's all there is to it! + + diff --git a/jdbc2/ejb2/README b/jdbc2/ejb2/README new file mode 100644 index 000000000..b38dae632 --- /dev/null +++ b/jdbc2/ejb2/README @@ -0,0 +1,177 @@ +Using PostGIS Geometry Types with EJB2 -- Proof of Concept +---------------------------------------------------------- +Copyright (C) 2006 by the Geodetix s.r.l. Company. See +http://www.geodetix.it/ for further information. + +Version 1.0.0 (2006/08/29) + +Table of Contents +----------------- + +0. Licensing +1. Introduction +2. Directory Contents +3. Software Requirements +4. Installation +5. Running +6. Code Details + + +0. Licensing +------------ +The "Using PostGIS Geometry Types with EJB2 -- Proof of Concept" software is +a short collection of examples related to the use of PostGIS Java API with +the EJB 2.x technology. +Copyright (C) 2006 by the Geodetix s.r.l. Company. See +http://www.geodetix.it/ for further information. + +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, or (at your option) any later version. + +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 + + +1. Introduction +--------------- +Our software is a simple proof-of-concept application illustrating how the +PostGIS provided Java geometric types could be integrated with a set of +Enterprise Java Bean 2.x components. + +To achieve such a goal, an attribute of type org.postgis.Geometry has been +added to a BMP (Bean managed Persistence) Entity Bean. Furthermore, by using +the DAO (Data Access Object) Pattern, the persistence code has been clearly +separated from the business logic. + +Not to add further complexity, some proper programming behaviours were omitted. +For example the use of PostGIS geometric types directly inside the Entity Bean +code could be avoided by using a WKT compliant string attribute. Another issue +is about security: table creational methods exposed in the +com.geodetix.geo.ejb.GeometryBean home interface should be protected by +a proper role-base security policy, to avoid normal users deleting database +tables. + +Nevertheless our application, even if quite simple, still holds a lot of +generality and some of the implemented patterns or components are readily +usable in real-world applications. + + +2. Directory Contents +--------------------- + + ./ Build scripts (build.*), README and licensing information + ./src Java source packages and files + ./resources EJB specific configuration files + ./lib JAR libraries needed to compile and run + + +3. Software Requirements +------------------------ +We here list all third-party libraries with their versions tested to work +with the application. + +PostGIS JDBC driver version 1.1.3 +http://www.postgis.org/ + +PostgreSQL JDBC driver version 8.1-404 jdbc3 +http://jdbc.postgresql.org/ + +XDoclet lib version 1.2.3 +http://xdoclet.sourceforge.net + +Apache ANT version 1.6.5 +http://ant.apache.org/ + +JBOSS Application Server version 4.0.4.GA-Patch1 +http://www.jboss.org/ + +Note that our tool is application server agnostic and could be easily ported +to any EJB 2.x compliant Container by modifying the provided deployment +ant file which is, in turn, written for the JBoss Application Server. + + +4. Installation +--------------- +After downloading (and compiling, if necessary) all of the required software, +follow these steps: + +- copy the PostGIS driver (postgis_1.1.3.jar) into the ./lib/commonlib +directory + +- copy the PostgreSQL driver (postgresql-8.1-404.jdbc3.jar) into the +./lib/compiletimelib directory + +- copy the XDoclet libraries (contained in xdoclet-lib-1.2.3.tgz) into the +./lib/xdocletlib directory + +- install Apache ANT (follow the installation istructions provided +with the tool) + +- install the JBoss Application Server + +- make sure that your JBOSS_HOME environment variable correctly points to +the JBoss installation directory (i.e. /opt/jboss-4.0.4.GA) + +- create a new PostGIS database according to what specified in the +./resources/build.properties with the "database.name", "database.login", +"database.password" properties (eventually change them to fit your needs). + + +5. Running +---------- +Start the JBoss application server with the provided scripts +(run.bat or run.sh). + +From the main application directory (./) execute these commands: + +> ant install-JDBC-driver +This command installs the PostgreSQL driver into JBoss + +> ant install-DataSource +This command installs the DataSource Connector into JBoss + +> ant javadoc +This command generates the application API documentation into the ./javadoc +directory (use index.html to start). + +> ant deploy +Installs the application into JBoss + +> ant run-client +Allows to test the installed application + + +6. Code Details +--------------- +The main components made available in the application are: + +- GeometryBean.java +It is an entity bean containing a geometrical attribute of org.postgis.Geometry +type which could contain every geometrical type (i.e. POINT, LINESTRING, etc.). +The user can choose wether to create a NON-OpenGIS or an OpenGIS-compliant +bean. The first ones can contain different geometric types in the same table +with undefined SRID (-1), while the second ones can only contain object of the +same type and SRID in one table; + +- PostgisGeometryDaoIml.java +A DAO (Data Access Object) implementing persistence operations for the +GeometryBean EJB in a PostGIS database; + +- GeometryFacadeBean.java +A stateless session bean implementing the interface between the geometric +entity beans and the client applications; + +- Client.java +It is a simple client executing some tests thus illustrating the use of the +provided API. + +Further informations could be gathered from the source code and by reading the +javadoc API documentation. diff --git a/jdbc2/ejb2/build.xml b/jdbc2/ejb2/build.xml new file mode 100644 index 000000000..0f0934578 --- /dev/null +++ b/jdbc2/ejb2/build.xml @@ -0,0 +1,272 @@ + + + + Using PostGIS Geometry Types with EJB2 - Proof of Concept + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + Using PostGIS Geometry Types with EJB2
Proof of Concept]]> + Copyright © 2006 Geodetix S.r.l. All Rights Reserved.]]> + + + + diff --git a/jdbc2/ejb2/prepare-jboss.xml b/jdbc2/ejb2/prepare-jboss.xml new file mode 100644 index 000000000..07000cdae --- /dev/null +++ b/jdbc2/ejb2/prepare-jboss.xml @@ -0,0 +1,39 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/jdbc2/ejb2/resources/application.xml b/jdbc2/ejb2/resources/application.xml new file mode 100644 index 000000000..90bb34c99 --- /dev/null +++ b/jdbc2/ejb2/resources/application.xml @@ -0,0 +1,19 @@ + + + + + + postgis-ejb2-poc + + Using PostGIS Geometry Types with EJB2 - Proof of Concept + + + ejb.jar + + + + common.jar + + + diff --git a/jdbc2/ejb2/resources/build.properties b/jdbc2/ejb2/resources/build.properties new file mode 100644 index 000000000..95a91dc71 --- /dev/null +++ b/jdbc2/ejb2/resources/build.properties @@ -0,0 +1,12 @@ +# You can change these properties to fit your environment. +# This should be the only file to modify. +# Note that you should NOT leave spaces after a property value + +# Name of the created database +database.name=ejb2poc +# User owner of the database tables +database.login=CHANGEIT +# Password for the db user +database.password=CHANGEIT +# IP or hostname of the machine running the database server +database.host=127.0.0.1 diff --git a/jdbc2/ejb2/resources/jndi/jndi.properties b/jdbc2/ejb2/resources/jndi/jndi.properties new file mode 100644 index 000000000..a3face720 --- /dev/null +++ b/jdbc2/ejb2/resources/jndi/jndi.properties @@ -0,0 +1,3 @@ +java.naming.factory.initial=org.jnp.interfaces.NamingContextFactory +java.naming.factory.url.pkgs=org.jboss.naming:org.jnp.interfaces +java.naming.provider.url=localhost diff --git a/jdbc2/ejb2/resources/postgis-ejb2-ds.xml b/jdbc2/ejb2/resources/postgis-ejb2-ds.xml new file mode 100644 index 000000000..19b1eea68 --- /dev/null +++ b/jdbc2/ejb2/resources/postgis-ejb2-ds.xml @@ -0,0 +1,17 @@ + + + + + + + + + + + @datasource.name@ + @database.connection.url@ + @database.driver@ + @database.login@ + @database.password@ + + \ No newline at end of file diff --git a/jdbc2/ejb2/src/com/geodetix/geo/client/Client.java b/jdbc2/ejb2/src/com/geodetix/geo/client/Client.java new file mode 100644 index 000000000..a077c2c83 --- /dev/null +++ b/jdbc2/ejb2/src/com/geodetix/geo/client/Client.java @@ -0,0 +1,246 @@ +/* + * 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 Antonio Pace + */ +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 findResults = (Collection) 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 findResults = (Collection) 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(); + } + +} diff --git a/jdbc2/ejb2/src/com/geodetix/geo/dao/PostGisGeometryDAO.java b/jdbc2/ejb2/src/com/geodetix/geo/dao/PostGisGeometryDAO.java new file mode 100644 index 000000000..5ce836bba --- /dev/null +++ b/jdbc2/ejb2/src/com/geodetix/geo/dao/PostGisGeometryDAO.java @@ -0,0 +1,153 @@ +/* + * 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 Antonio Pace + * + */ +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 diff --git a/jdbc2/ejb2/src/com/geodetix/geo/dao/PostGisGeometryDAOImpl.java b/jdbc2/ejb2/src/com/geodetix/geo/dao/PostGisGeometryDAOImpl.java new file mode 100644 index 000000000..51d96bb6c --- /dev/null +++ b/jdbc2/ejb2/src/com/geodetix/geo/dao/PostGisGeometryDAOImpl.java @@ -0,0 +1,579 @@ +/* + * 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 antonio.pace + * + */ +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 + * ejbLoad(). + * + * @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 + * ejbStore(). + * + * @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 + * ejbRemove(). + * + * + * @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 diff --git a/jdbc2/ejb2/src/com/geodetix/geo/ejb/GeometryBean.java b/jdbc2/ejb2/src/com/geodetix/geo/ejb/GeometryBean.java new file mode 100644 index 000000000..d602c6aaa --- /dev/null +++ b/jdbc2/ejb2/src/com/geodetix/geo/ejb/GeometryBean.java @@ -0,0 +1,298 @@ +/* + * 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 geometry attribute + * of type org.postgis.Geometry. Note that such an attribute could + * even be implemented as a pure text (i.e. Java String) field + * following the WKT format, thus leaving geometric details to the PostGIS + * api classes (see README 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 Antonio Pace + * + */ +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 org.postgis.Geometry 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 org.postgis.Geometry 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 Polygon. + * + * @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 org.postgis.Geometry 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(); + +} diff --git a/jdbc2/ejb2/src/com/geodetix/geo/ejb/GeometryFacadeBean.java b/jdbc2/ejb2/src/com/geodetix/geo/ejb/GeometryFacadeBean.java new file mode 100644 index 000000000..33ae6b5d9 --- /dev/null +++ b/jdbc2/ejb2/src/com/geodetix/geo/ejb/GeometryFacadeBean.java @@ -0,0 +1,238 @@ +/* + * 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 Antonio Pace + */ +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 Polygon. + * + * @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 org.postgis.Geometry 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. + * Note that in a real-world application this method should be protected + * by using a role-based security policy. + * + * @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. + * Note that in a real-world application this method should be protected + * by using a role-based security policy. + * + * @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. + * Note that in a real-world application this method should be protected + * by using a role-based security policy. + * + * @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); + } + } + + + +} diff --git a/jdbc2/ejb2/src/com/geodetix/geo/exception/ApplicationGeoLayerException.java b/jdbc2/ejb2/src/com/geodetix/geo/exception/ApplicationGeoLayerException.java new file mode 100644 index 000000000..a36678fca --- /dev/null +++ b/jdbc2/ejb2/src/com/geodetix/geo/exception/ApplicationGeoLayerException.java @@ -0,0 +1,66 @@ +/* + * 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 Antonio Pace + * + */ +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