/*******************************************************************************
* 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
* Stephan Herrmann <stephan@cs.tu-berlin.de> - inconsistent initialization of classpath container backed by external class folder, see https://bugs.eclipse.org/320618
*******************************************************************************/
package org.eclipse.jdt.internal.core;
import java.util.HashSet;
import java.util.Iterator;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jdt.core.IClasspathEntry;
import org.eclipse.jdt.core.JavaModelException;
public class ExternalFolderChange {
private JavaProject project;
private IClasspathEntry[] oldResolvedClasspath;
public ExternalFolderChange(JavaProject project, IClasspathEntry[] oldResolvedClasspath) {
this.project = project;
this.oldResolvedClasspath = oldResolvedClasspath;
}
/*
* Update external folders
*/
public void updateExternalFoldersIfNecessary(boolean refreshIfExistAlready, IProgressMonitor monitor) throws JavaModelException {
HashSet oldFolders = ExternalFoldersManager.getExternalFolders(this.oldResolvedClasspath);
IClasspathEntry[] newResolvedClasspath = this.project.getResolvedClasspath();
HashSet newFolders = ExternalFoldersManager.getExternalFolders(newResolvedClasspath);
if (newFolders == null)
return;
ExternalFoldersManager foldersManager = JavaModelManager.getExternalManager();
Iterator iterator = newFolders.iterator();
while (iterator.hasNext()) {
Object folderPath = iterator.next();
if (oldFolders == null || !oldFolders.remove(folderPath) || foldersManager.removePendingFolder(folderPath)) {
try {
foldersManager.createLinkFolder((IPath) folderPath, refreshIfExistAlready, monitor);
} catch (CoreException e) {
throw new JavaModelException(e);
}
}
}
// removal of linked folders is done during save
}
public String toString() {
return "ExternalFolderChange: " + this.project.getElementName(); //$NON-NLS-1$
}
}