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/*******************************************************************************
* Copyright (c) 2000, 2010 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jdt.internal.core;
import org.eclipse.core.resources.IResourceRuleFactory;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.jobs.ISchedulingRule;
import org.eclipse.core.runtime.jobs.MultiRule;
import org.eclipse.jdt.core.IClasspathEntry;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IJavaModelStatus;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jdt.internal.core.JavaModelManager.PerProjectInfo;
/**
* This operation sets an <code>IJavaProject</code>'s classpath.
*
* @see IJavaProject
*/
public class SetClasspathOperation extends ChangeClasspathOperation {
IClasspathEntry[] newRawClasspath;
IClasspathEntry[] referencedEntries;
IPath newOutputLocation;
JavaProject project;
public SetClasspathOperation(
JavaProject project,
IClasspathEntry[] newRawClasspath,
IPath newOutputLocation,
boolean canChangeResource) {
this(project, newRawClasspath, null, newOutputLocation, canChangeResource);
}
/**
* When executed, this operation sets the raw classpath and output location of the given project.
*/
public SetClasspathOperation(
JavaProject project,
IClasspathEntry[] newRawClasspath,
IClasspathEntry[] referencedEntries,
IPath newOutputLocation,
boolean canChangeResource) {
super(new IJavaElement[] { project }, canChangeResource);
this.project = project;
this.newRawClasspath = newRawClasspath;
this.referencedEntries = referencedEntries;
this.newOutputLocation = newOutputLocation;
}
/**
* Sets the classpath of the pre-specified project.
*/
protected void executeOperation() throws JavaModelException {
checkCanceled();
try {
// set raw classpath and null out resolved info
PerProjectInfo perProjectInfo = this.project.getPerProjectInfo();
ClasspathChange classpathChange = perProjectInfo.setRawClasspath(this.newRawClasspath, this.referencedEntries, this.newOutputLocation, JavaModelStatus.VERIFIED_OK/*format is ok*/);
// if needed, generate delta, update project ref, create markers, ...
classpathChanged(classpathChange, true/*refresh if external linked folder already exists*/);
// write .classpath file
if (this.canChangeResources && perProjectInfo.writeAndCacheClasspath(this.project, this.newRawClasspath, this.newOutputLocation))
setAttribute(HAS_MODIFIED_RESOURCE_ATTR, TRUE);
} finally {
done();
}
}
protected ISchedulingRule getSchedulingRule() {
if (this.canChangeResources) {
IResourceRuleFactory ruleFactory = ResourcesPlugin.getWorkspace().getRuleFactory();
return new MultiRule(new ISchedulingRule[] {
// use project modification rule as this is needed to create the .classpath file if it doesn't exist yet, or to update project references
ruleFactory.modifyRule(this.project.getProject()),
// and external project modification rule in case the external folders are modified
ruleFactory.modifyRule(JavaModelManager.getExternalManager().getExternalFoldersProject())
});
}
return super.getSchedulingRule();
}
public String toString(){
StringBuffer buffer = new StringBuffer(20);
buffer.append("SetClasspathOperation\n"); //$NON-NLS-1$
buffer.append(" - classpath : "); //$NON-NLS-1$
buffer.append("{"); //$NON-NLS-1$
for (int i = 0; i < this.newRawClasspath.length; i++) {
if (i > 0) buffer.append(","); //$NON-NLS-1$
IClasspathEntry element = this.newRawClasspath[i];
buffer.append(" ").append(element.toString()); //$NON-NLS-1$
}
buffer.append("\n - output location : "); //$NON-NLS-1$
buffer.append(this.newOutputLocation.toString());
return buffer.toString();
}
public IJavaModelStatus verify() {
IJavaModelStatus status = super.verify();
if (!status.isOK())
return status;
this.project.flushClasspathProblemMarkers(false, false, true);
return ClasspathEntry.validateClasspath( this.project, this.newRawClasspath, this.newOutputLocation);
}
}
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