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/**
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* Copyright (C) 2007 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.cdm.database.types;
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import java.io.File;
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import java.io.IOException;
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import javax.sql.DataSource;
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import org.apache.log4j.Logger;
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import org.hibernate.dialect.Dialect;
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import org.hibernate.dialect.H2CorrectedDialect;
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import eu.etaxonomy.cdm.api.application.CdmApplicationUtils;
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import eu.etaxonomy.cdm.database.H2Mode;
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import eu.etaxonomy.cdm.database.ICdmDataSource;
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import eu.etaxonomy.cdm.database.LocalH2;
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/**
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* @author a.mueller
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*
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*/
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public class H2DatabaseType extends DatabaseTypeBase {
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private static final Logger logger = Logger.getLogger(H2DatabaseType.class);
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//typeName
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private String typeName = "H2 Database";
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//class
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private String classString = "org.h2.Driver";
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//url
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private String urlString = "jdbc:h2:";
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//path
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@SuppressWarnings("unused")
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private String path = getDefaultPath();
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//port
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private int defaultPort = 9092;
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//hibernate dialect
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private Dialect hibernateDialect = new H2CorrectedDialect();
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//init method
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private String initMethod = "init";
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//destroy method
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private String destroyMethod = "destroy";
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//connection String
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public String getConnectionString(ICdmDataSource ds, int port){
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H2Mode mode = ds.getMode();
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String path = ds.getFilePath();
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if (path == null){
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path = getDefaultPath();
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}
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if (mode.equals(H2Mode.IN_MEMORY)){
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return urlString + "mem:";
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}else if (mode.equals(H2Mode.EMBEDDED)){
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return urlString + "file:" + path + "/" + ds.getDatabase();
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}else if (mode.equals(H2Mode.TCP)){
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return urlString + "tcp://" + ds.getServer() + ":" + port + "/" + path + "/" + ds.getDatabase();
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}else{
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logger.warn("Unrecognized mode for Database H2");
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return null;
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}
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}
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/* (non-Javadoc)
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* @see eu.etaxonomy.cdm.database.types.DatabaseTypeBase#getServerNameByConnectionString(java.lang.String)
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*/
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@Override
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public String getServerNameByConnectionString(String connectionString) {
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String result;
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if (connectionString.startsWith("file:") || connectionString.startsWith( urlString + "file:")){
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result = null;
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}else if (connectionString.startsWith("tcp://")){
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String prefix = "tcp://";
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String dbSeparator = "/";
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result = getServerNameByConnectionString(connectionString, prefix, dbSeparator);
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}else if (connectionString.startsWith("mem:")){
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result = null;
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}else{
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logger.warn("Unknown conncection string format");
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result = null;
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}
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return result;
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}
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/* (non-Javadoc)
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* @see eu.etaxonomy.cdm.database.types.DatabaseTypeBase#getDatabaseNameByConnectionString(java.lang.String)
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*/
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@Override
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public String getDatabaseNameByConnectionString(String connectionString) {
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int pos = -1;
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String result;
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if (connectionString.startsWith("file:") || connectionString.startsWith( urlString + "file:")){
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pos = connectionString.lastIndexOf("/");
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result = connectionString.substring(pos + 1);
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}else if (connectionString.startsWith("tcp://")){
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pos = connectionString.lastIndexOf("/");
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result = connectionString.substring(pos + 1);
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}else if (connectionString.startsWith("mem:")){
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return null;
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}else{
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logger.warn("Unknown conncection string format");
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return null;
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}
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return result;
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}
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/* (non-Javadoc)
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* @see eu.etaxonomy.cdm.database.types.DatabaseTypeBase#getPortByConnectionString(java.lang.String)
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*/
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@Override
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public int getPortByConnectionString(String connectionString) {
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int result;
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if (connectionString.startsWith("file:") || connectionString.startsWith( urlString + "file:")){
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result = -1;
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}else if (connectionString.startsWith("tcp://")){
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String prefix = "tcp://";
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String dbSeparator = "/";
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result = getPortByConnectionString(connectionString, prefix, dbSeparator);
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}else if (connectionString.startsWith("mem:")){
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result = -1;
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}else{
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logger.warn("Unknown conncection string format");
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result = -1;
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}
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return result;
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}
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public H2DatabaseType() {
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init (typeName, classString, urlString, defaultPort, hibernateDialect );
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}
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@Override
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public Class<? extends DataSource> getDataSourceClass() {
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return LocalH2.class;
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}
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/* (non-Javadoc)
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* @see eu.etaxonomy.cdm.database.types.IDatabaseType#getInitMethod()
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*/
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@Override
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public String getInitMethod() {
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return initMethod;
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}
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/* (non-Javadoc)
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* @see eu.etaxonomy.cdm.database.types.IDatabaseType#getDestroyMethod()
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*/
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@Override
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public String getDestroyMethod() {
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return destroyMethod;
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}
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private static final String getDefaultPath(){
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try{
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File path = CdmApplicationUtils.getWritableResourceDir();
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String subPath = File.separator + "h2" + File.separator + "LocalH2";
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return path + subPath;
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}catch(IOException e){
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logger.error(e);
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throw new RuntimeException(e);
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}
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}
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}
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