| /******************************************************************************* |
| * Copyright (c) 2000, 2011 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); |
| } |
| |
| } |