/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2008, Red Hat Middleware LLC or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Middleware LLC.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program 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 distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*
*/
package org.hibernate.tool.hbm2ddl;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Properties;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.DirectoryScanner;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.taskdefs.MatchingTask;
import org.apache.tools.ant.types.FileSet;
import org.hibernate.HibernateException;
import org.hibernate.cfg.Configuration;
import org.hibernate.cfg.NamingStrategy;
import org.hibernate.internal.util.ReflectHelper;
import org.hibernate.internal.util.collections.ArrayHelper;
/**
* An Ant task for <tt>SchemaExport</tt>.
*
* <pre>
* <taskdef name="schemaexport"
* classname="org.hibernate.tool.hbm2ddl.SchemaExportTask"
* classpathref="class.path"/>
*
* <schemaexport
* properties="${build.classes.dir}/hibernate.properties"
* quiet="no"
* text="no"
* drop="no"
* delimiter=";"
* output="${build.dir}/schema-export.sql">
* <fileset dir="${build.classes.dir}">
* <include name="*.hbm.xml"/>
* </fileset>
* </schemaexport>
* </pre>
*
* @see SchemaExport
* @author Rong C Ou
*/
public class SchemaExportTask extends MatchingTask {
private List fileSets = new LinkedList();
private File propertiesFile = null;
private File configurationFile = null;
private File outputFile = null;
private boolean quiet = false;
private boolean text = false;
private boolean drop = false;
private boolean create = false;
private boolean haltOnError = false;
private String delimiter = null;
private String namingStrategy = null;
public void addFileset(FileSet set) {
fileSets.add(set);
}
/**
* Set a properties file
* @param propertiesFile the properties file name
*/
public void setProperties(File propertiesFile) {
if ( !propertiesFile.exists() ) {
throw new BuildException("Properties file: " + propertiesFile + " does not exist.");
}
log("Using properties file " + propertiesFile, Project.MSG_DEBUG);
this.propertiesFile = propertiesFile;
}
/**
* Set a <literal>.cfg.xml</literal> file, which will be
* loaded as a resource, from the classpath
* @param configurationFile the path to the resource
*/
public void setConfig(File configurationFile) {
this.configurationFile = configurationFile;
}
/**
* Enable "quiet" mode. The schema will not be
* written to standard out.
* @param quiet true to enable quiet mode
*/
public void setQuiet(boolean quiet) {
this.quiet = quiet;
}
/**
* Enable "text-only" mode. The schema will not
* be exported to the database.
* @param text true to enable text-only mode
*/
public void setText(boolean text) {
this.text = text;
}
/**
* Enable "drop" mode. Database objects will be
* dropped but not recreated.
* @param drop true to enable drop mode
*/
public void setDrop(boolean drop) {
this.drop = drop;
}
/**
* Enable "create" mode. Database objects will be
* created but not first dropped.
* @param create true to enable create mode
*/
public void setCreate(boolean create) {
this.create = create;
}
/**
* Set the end of statement delimiter for the generated script
* @param delimiter the delimiter
*/
public void setDelimiter(String delimiter) {
this.delimiter = delimiter;
}
/**
* Set the script output file
* @param outputFile the file name
*/
public void setOutput(File outputFile) {
this.outputFile = outputFile;
}
/**
* Execute the task
*/
@Override
public void execute() throws BuildException {
try {
getSchemaExport( getConfiguration() ).execute(!quiet, !text, drop, create);
}
catch (HibernateException e) {
throw new BuildException("Schema text failed: " + e.getMessage(), e);
}
catch (FileNotFoundException e) {
throw new BuildException("File not found: " + e.getMessage(), e);
}
catch (IOException e) {
throw new BuildException("IOException : " + e.getMessage(), e);
}
catch (Exception e) {
throw new BuildException(e);
}
}
private String[] getFiles() {
List files = new LinkedList();
for ( Iterator i = fileSets.iterator(); i.hasNext(); ) {
FileSet fs = (FileSet) i.next();
DirectoryScanner ds = fs.getDirectoryScanner( getProject() );
String[] dsFiles = ds.getIncludedFiles();
for (int j = 0; j < dsFiles.length; j++) {
File f = new File(dsFiles[j]);
if ( !f.isFile() ) {
f = new File( ds.getBasedir(), dsFiles[j] );
}
files.add( f.getAbsolutePath() );
}
}
return ArrayHelper.toStringArray(files);
}
private Configuration getConfiguration() throws Exception {
Configuration cfg = new Configuration();
if (namingStrategy!=null) {
cfg.setNamingStrategy(
(NamingStrategy) ReflectHelper.classForName(namingStrategy).newInstance()
);
}
if (configurationFile != null) {
cfg.configure( configurationFile );
}
String[] files = getFiles();
for (int i = 0; i < files.length; i++) {
String filename = files[i];
if ( filename.endsWith(".jar") ) {
cfg.addJar( new File(filename) );
}
else {
cfg.addFile(filename);
}
}
return cfg;
}
private SchemaExport getSchemaExport(Configuration cfg) throws HibernateException, IOException {
Properties properties = new Properties();
properties.putAll( cfg.getProperties() );
if (propertiesFile == null) {
properties.putAll( getProject().getProperties() );
}
else {
properties.load( new FileInputStream(propertiesFile) );
}
cfg.setProperties(properties);
return new SchemaExport(cfg)
.setHaltOnError(haltOnError)
.setOutputFile( outputFile.getPath() )
.setDelimiter(delimiter);
}
public void setNamingStrategy(String namingStrategy) {
this.namingStrategy = namingStrategy;
}
public void setHaltonerror(boolean haltOnError) {
this.haltOnError = haltOnError;
}
}