001 //$HeadURL: svn+ssh://jwilden@svn.wald.intevation.org/deegree/base/branches/2.5_testing/src/org/deegree/io/sdeapi/SDEConnection.java $
002 /*---------------- FILE HEADER ------------------------------------------
003
004 This file is part of deegree.
005 Copyright (C) 2006 by: M.O.S.S. Computer Grafik Systeme GmbH
006 Hohenbrunner Weg 13
007 D-82024 Taufkirchen
008 http://www.moss.de/
009
010 This library is free software; you can redistribute it and/or
011 modify it under the terms of the GNU Lesser General Public
012 License as published by the Free Software Foundation; either
013 version 2.1 of the License, or (at your option) any later version.
014
015 This library is distributed in the hope that it will be useful,
016 but WITHOUT ANY WARRANTY; without even the implied warranty of
017 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
018 Lesser General Public License for more details.
019
020 You should have received a copy of the GNU Lesser General Public
021 License along with this library; if not, write to the Free Software
022 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
023
024 ---------------------------------------------------------------------------*/
025 package org.deegree.io.sdeapi;
026
027 import com.esri.sde.sdk.client.SeConnection;
028 import com.esri.sde.sdk.client.SeException;
029 import com.esri.sde.sdk.client.SeState;
030 import com.esri.sde.sdk.client.SeVersion;
031
032 /**
033 * <code>SDEConnection</code>
034 *
035 * @author <a href="mailto:schmitz@lat-lon.de">Andreas Schmitz</a>
036 * @author last edited by: $Author: aschmitz $
037 *
038 * @version $Revision: 12146 $, $Date: 2008-06-04 12:18:44 +0200 (Mi, 04 Jun 2008) $
039 */
040 public class SDEConnection {
041
042 private SeConnection connection;
043
044 private SeVersion version;
045
046 private SeState state;
047
048 /**
049 * @param sdeServer
050 * @param sdeInstance
051 * @param sdeDatabase
052 * @param sdeVersion
053 * @param sdeUser
054 * @param sdePassword
055 */
056 public SDEConnection( final String sdeServer, final int sdeInstance, final String sdeDatabase,
057 final String sdeVersion, final String sdeUser, final String sdePassword ) {
058
059 try {
060 connection = new SeConnection( sdeServer, sdeInstance, sdeDatabase, sdeUser, sdePassword );
061 if ( null == sdeVersion || 0 == sdeVersion.length() ) {
062 version = new SeVersion( connection );
063 } else {
064 try {
065 version = new SeVersion( connection, sdeVersion );
066 } catch ( SeException dne ) {
067 version = new SeVersion( connection, SeVersion.SE_QUALIFIED_DEFAULT_VERSION_NAME );
068 version.setDescription( sdeVersion );
069 version.setName( sdeVersion );
070 version.setParentName( SeVersion.SE_QUALIFIED_DEFAULT_VERSION_NAME );
071 version.create( false, version );
072 }
073 }
074 reserve();
075 } catch ( Exception e ) {
076 e.printStackTrace();
077 }
078 }
079
080 /**
081 * @return the connection
082 */
083 public SeConnection getConnection() {
084 return connection;
085 }
086
087 /**
088 * @return the version
089 */
090 public SeVersion getVersion() {
091 return version;
092 }
093
094 /**
095 * @return the state
096 */
097 public SeState getState() {
098 return state;
099 }
100
101 /**
102 * @return if closed
103 */
104 public boolean isClosed() {
105 if ( null == connection ) {
106 return true;
107 }
108 return connection.isClosed();
109 }
110
111 /**
112 *
113 */
114 public void close() {
115 if ( !isClosed() ) {
116 release();
117 try {
118 connection.close();
119 } catch ( Exception e ) {
120 // just eat'em, it's good for the health
121 }
122 connection = null;
123 }
124 }
125
126 private void reserve() {
127 try {
128 SeState verState = new SeState( connection, version.getStateId() );
129 state = new SeState( connection );
130 if ( verState.isOpen() ) {
131 verState.close();
132 }
133 state.create( verState.getId() );
134 } catch ( Exception e ) {
135 e.printStackTrace();
136 }
137 }
138
139 private void release() {
140 try {
141 version.changeState( state.getId() );
142 state.close();
143 } catch ( Exception e ) {
144 e.printStackTrace();
145 }
146 }
147 }