/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.eclipse.launch;
import java.util.ArrayList;
import java.util.List;
import java.util.logging.Logger;
import org.apache.hadoop.eclipse.servers.RunOnHadoopWizard;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.debug.core.ILaunchConfiguration;
import org.eclipse.debug.core.ILaunchConfigurationType;
import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.IType;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.debug.ui.launchConfigurations.JavaApplicationLaunchShortcut;
import org.eclipse.jdt.launching.IJavaLaunchConfigurationConstants;
import org.eclipse.jdt.launching.IRuntimeClasspathEntry;
import org.eclipse.jdt.launching.JavaRuntime;
import org.eclipse.jface.wizard.IWizard;
import org.eclipse.jface.wizard.WizardDialog;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
/**
* Add a shortcut "Run on Hadoop" to the Run menu
*/
public class HadoopApplicationLaunchShortcut extends
JavaApplicationLaunchShortcut {
static Logger log =
Logger.getLogger(HadoopApplicationLaunchShortcut.class.getName());
// private ActionDelegate delegate = new RunOnHadoopActionDelegate();
public HadoopApplicationLaunchShortcut() {
}
/* @inheritDoc */
@Override
protected ILaunchConfiguration findLaunchConfiguration(IType type,
ILaunchConfigurationType configType) {
// Find an existing or create a launch configuration (Standard way)
ILaunchConfiguration iConf =
super.findLaunchConfiguration(type, configType);
if (iConf == null) iConf = super.createConfiguration(type);
ILaunchConfigurationWorkingCopy iConfWC;
try {
/*
* Tune the default launch configuration: setup run-time classpath
* manually
*/
iConfWC = iConf.getWorkingCopy();
iConfWC.setAttribute(
IJavaLaunchConfigurationConstants.ATTR_DEFAULT_CLASSPATH, false);
List<String> classPath = new ArrayList<String>();
IResource resource = type.getResource();
IJavaProject project =
(IJavaProject) resource.getProject().getNature(JavaCore.NATURE_ID);
IRuntimeClasspathEntry cpEntry =
JavaRuntime.newDefaultProjectClasspathEntry(project);
classPath.add(0, cpEntry.getMemento());
iConfWC.setAttribute(IJavaLaunchConfigurationConstants.ATTR_CLASSPATH,
classPath);
} catch (CoreException e) {
e.printStackTrace();
// FIXME Error dialog
return null;
}
/*
* Update the selected configuration with a specific Hadoop location
* target
*/
IResource resource = type.getResource();
if (!(resource instanceof IFile))
return null;
RunOnHadoopWizard wizard =
new RunOnHadoopWizard((IFile) resource, iConfWC);
WizardDialog dialog =
new WizardDialog(Display.getDefault().getActiveShell(), wizard);
dialog.create();
dialog.setBlockOnOpen(true);
if (dialog.open() != WizardDialog.OK)
return null;
try {
// Only save if some configuration is different.
if(!iConfWC.contentsEqual(iConf))
iConfWC.doSave();
} catch (CoreException e) {
e.printStackTrace();
// FIXME Error dialog
return null;
}
return iConfWC;
}
/**
* Was used to run the RunOnHadoopWizard inside and provide it a
* ProgressMonitor
*/
static class Dialog extends WizardDialog {
public Dialog(Shell parentShell, IWizard newWizard) {
super(parentShell, newWizard);
}
@Override
public void create() {
super.create();
((RunOnHadoopWizard) getWizard())
.setProgressMonitor(getProgressMonitor());
}
}
}