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* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This 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 software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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*/
package org.hibernate.eclipse.nature;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import org.eclipse.core.resources.ICommand;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IProjectDescription;
import org.eclipse.core.resources.IProjectNature;
import org.eclipse.core.resources.ProjectScope;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.core.runtime.preferences.IScopeContext;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.JavaCore;
import org.hibernate.console.ConsoleConfiguration;
import org.hibernate.console.KnownConfigurations;
import org.hibernate.console.execution.ExecutionContext.Command;
import org.hibernate.eclipse.builder.HibernateBuilder;
import org.hibernate.eclipse.console.HibernateConsoleMessages;
import org.hibernate.eclipse.console.HibernateConsolePlugin;
import org.hibernate.eclipse.console.properties.HibernatePropertiesConstants;
import org.jboss.tools.hibernate.runtime.spi.IConfiguration;
import org.jboss.tools.hibernate.runtime.spi.IService;
import org.jboss.tools.hibernate.runtime.spi.ITable;
import org.osgi.service.prefs.Preferences;
public class HibernateNature implements IProjectNature {
final public static String ID = "org.hibernate.eclipse.console.hibernateNature"; //$NON-NLS-1$
private IProject project;
public void configure() throws CoreException {
//HibernateConsolePlugin.getDefault().log("Configuring " + project + " as a Hibernate project");
IProjectDescription desc = project.getDescription();
ICommand[] commands = desc.getBuildSpec();
boolean found = false;
for (int i = 0; i < commands.length; ++i) {
if (commands[i].getBuilderName().equals(HibernateBuilder.BUILDER_ID) ) {
found = true;
break;
}
}
if (!found) {
//add builder to project
ICommand command = desc.newCommand();
command.setBuilderName(HibernateBuilder.BUILDER_ID);
List<ICommand> list = new ArrayList<ICommand>();
list.addAll(Arrays.asList(commands) );
list.add(command);
desc.setBuildSpec( list.toArray(new ICommand[]{}) );
project.setDescription(desc, new NullProgressMonitor() );
}
}
public void deconfigure() throws CoreException {
//HibernateConsolePlugin.getDefault().log("Deconfiguring " + project + " as a Hibernate project");
}
public IProject getProject() {
return project;
}
public void setProject(IProject project) {
this.project = project;
}
public ConsoleConfiguration getDefaultConsoleConfiguration() {
String cfg = getDefaultConsoleConfigurationName();
ConsoleConfiguration configuration = KnownConfigurations.getInstance().find(cfg);
return configuration;
}
public String getDefaultConsoleConfigurationName() {
IJavaProject prj = JavaCore.create(project);
IScopeContext scope = new ProjectScope(prj.getProject() );
Preferences node = scope.getNode(HibernatePropertiesConstants.HIBERNATE_CONSOLE_NODE);
if(node!=null) {
String cfg = node.get(HibernatePropertiesConstants.DEFAULT_CONFIGURATION, prj.getProject().getName() );
return cfg;
} else {
return null;
}
}
List<ITable> tables = null;
private ReadDatabaseMetaData job;
public List<ITable> getTables() {
ConsoleConfiguration ccfg = getDefaultConsoleConfiguration();
if(ccfg==null) return Collections.emptyList();
if(tables!=null) {
return tables;
} else {
if(job==null) {
job = new ReadDatabaseMetaData(ccfg);
job.setPriority(Job.DECORATE);
job.schedule();
} else if(job.getState()==Job.NONE) {
job.schedule();
}
return Collections.emptyList();
}
}
public class ReadDatabaseMetaData extends Job {
private ConsoleConfiguration ccfg;
public ReadDatabaseMetaData(ConsoleConfiguration ccfg) {
super(HibernateConsoleMessages.HibernateNature_reading_database_metadata_for + getProject().getName() );
this.ccfg = ccfg;
}
protected IStatus run(IProgressMonitor monitor) {
IConfiguration cfg = ccfg.buildWith(null, false);
IService service = ccfg.getHibernateExtension().getHibernateService();
final IConfiguration jcfg = service.newJDBCMetaDataConfiguration();
jcfg.setProperties(cfg.getProperties());
monitor.beginTask(HibernateConsoleMessages.HibernateNature_reading_database_metadata, IProgressMonitor.UNKNOWN);
try {
ccfg.execute(new Command() {
public Object execute() {
jcfg.readFromJDBC();
return null;
}
});
List<ITable> result = new ArrayList<ITable>();
Iterator<ITable> tabs = jcfg.getTableMappings();
while (tabs.hasNext() ) {
ITable table = tabs.next();
monitor.subTask(table.getName() );
result.add(table);
}
tables = result;
monitor.done();
return Status.OK_STATUS;
} catch(Throwable t) {
return new Status(IStatus.ERROR, HibernateConsolePlugin.ID, 1, HibernateConsoleMessages.HibernateNature_error_while_performing_background_reading_of_database_schema, t);
}
}
}
public List<ITable> getMatchingTables(String tableName) {
List<ITable> result = new ArrayList<ITable>();
Iterator<ITable> tableMappings = getTables().iterator();
while (tableMappings.hasNext() ) {
ITable table = tableMappings.next();
if(table.getName().toUpperCase().startsWith(tableName.toUpperCase()) ) {
result.add(table);
}
}
return result;
}
public ITable getTable(String nearestTableName) {
// TODO: can be made MUCH more efficient with proper indexing of the tables.
// TODO: handle catalog/schema properly
for (ITable table : getTables()) {
if(nearestTableName.equals(table.getName())) {
return table;
}
}
return null;
}
/** return HibernateNature or null for a project **/
public static HibernateNature getHibernateNature(IJavaProject project) {
try {
if(project!=null && project.getProject().isOpen() && project.getProject().hasNature(HibernateNature.ID)) {
final HibernateNature nature = (HibernateNature) project.getProject().getNature(HibernateNature.ID);
return nature;
}
}
catch (CoreException e) {
HibernateConsolePlugin.getDefault().logErrorMessage( HibernateConsoleMessages.HibernateNature_exception_when_trying_to_locate_hibernate_nature, e );
}
return null;
}
}