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/*******************************************************************************
* Copyright (c) 2000, 2008 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.search.tests;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.zip.ZipException;
import java.util.zip.ZipFile;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.Plugin;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IProjectDescription;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IWorkspace;
import org.eclipse.core.resources.IWorkspaceRoot;
import org.eclipse.core.resources.IWorkspaceRunnable;
import org.eclipse.core.resources.ResourcesPlugin;
/**
* @since 3.0
*/
public class ResourceHelper {
private final static IProgressMonitor NULL_MONITOR= new NullProgressMonitor();
private static final int MAX_RETRY= 10;
public static IProject createProject(String projectName) throws CoreException {
IWorkspaceRoot root= ResourcesPlugin.getWorkspace().getRoot();
IProject project= root.getProject(projectName);
if (!project.exists())
project.create(NULL_MONITOR);
else
project.refreshLocal(IResource.DEPTH_INFINITE, null);
if (!project.isOpen())
project.open(NULL_MONITOR);
return project;
}
public static void deleteProject(String projectName) throws CoreException {
IWorkspaceRoot root= ResourcesPlugin.getWorkspace().getRoot();
IProject project= root.getProject(projectName);
if (project.exists())
delete(project);
}
public static void delete(final IResource resource) throws CoreException {
IWorkspaceRunnable runnable= new IWorkspaceRunnable() {
@Override
public void run(IProgressMonitor monitor) throws CoreException {
for (int i= 0; i < MAX_RETRY; i++) {
try {
resource.delete(true, null);
i= MAX_RETRY;
} catch (CoreException e) {
if (i == MAX_RETRY - 1) {
SearchTestPlugin.getDefault().getLog().log(e.getStatus());
throw e;
}
System.gc(); // help windows to really close file locks
try {
Thread.sleep(1000); // sleep a second
} catch (InterruptedException e1) {
}
}
}
}
};
ResourcesPlugin.getWorkspace().run(runnable, null);
}
/**
* Creates a folder and all parent folders if not existing. Project must exist.
*
* @param folder The folder to create
* @return Returns the input folder
* @throws CoreException if creation fails
*/
public static IFolder createFolder(IFolder folder) throws CoreException {
if (!folder.exists()) {
IContainer parent= folder.getParent();
if (parent instanceof IFolder) {
createFolder((IFolder)parent);
}
folder.create(true, true, NULL_MONITOR);
}
return folder;
}
public static IFile createFile(IFolder folder, String name, String contents, String encoding) throws CoreException, IOException {
IFile file= folder.getFile(name);
if (contents == null)
contents= ""; //$NON-NLS-1$
InputStream inputStream= new ByteArrayInputStream(contents.getBytes(encoding));
file.create(inputStream, true, NULL_MONITOR);
file.setCharset(encoding, null);
inputStream.close();
return file;
}
public static IFile createFile(IFolder folder, String name, String contents) throws CoreException, IOException {
return createFile(folder, name, contents, "ISO-8859-1");
}
public static IFile createLinkedFile(IContainer container, IPath linkPath, File linkedFileTarget) throws CoreException {
IFile iFile= container.getFile(linkPath);
iFile.createLink(new Path(linkedFileTarget.getAbsolutePath()), IResource.ALLOW_MISSING_LOCAL, NULL_MONITOR);
return iFile;
}
public static IFile createLinkedFile(IContainer container, IPath linkPath, Plugin plugin, IPath linkedFileTargetPath) throws CoreException {
File file= FileTool.getFileInPlugin(plugin, linkedFileTargetPath);
IFile iFile= container.getFile(linkPath);
iFile.createLink(new Path(file.getAbsolutePath()), IResource.ALLOW_MISSING_LOCAL, NULL_MONITOR);
return iFile;
}
public static IFolder createLinkedFolder(IContainer container, IPath linkPath, File linkedFolderTarget) throws CoreException {
IFolder folder= container.getFolder(linkPath);
folder.createLink(new Path(linkedFolderTarget.getAbsolutePath()), IResource.ALLOW_MISSING_LOCAL, NULL_MONITOR);
return folder;
}
public static IFolder createLinkedFolder(IContainer container, IPath linkPath, Plugin plugin, IPath linkedFolderTargetPath) throws CoreException {
File file= FileTool.getFileInPlugin(plugin, linkedFolderTargetPath);
IFolder iFolder= container.getFolder(linkPath);
iFolder.createLink(new Path(file.getAbsolutePath()), IResource.ALLOW_MISSING_LOCAL, NULL_MONITOR);
return iFolder;
}
public static IProject createLinkedProject(String projectName, Plugin plugin, IPath linkPath) throws CoreException {
IWorkspace workspace= ResourcesPlugin.getWorkspace();
IProject project= workspace.getRoot().getProject(projectName);
IProjectDescription desc= workspace.newProjectDescription(projectName);
File file= FileTool.getFileInPlugin(plugin, linkPath);
IPath projectLocation= new Path(file.getAbsolutePath());
if (Platform.getLocation().equals(projectLocation))
projectLocation= null;
desc.setLocation(projectLocation);
project.create(desc, NULL_MONITOR);
if (!project.isOpen())
project.open(NULL_MONITOR);
return project;
}
public static IProject createJUnitSourceProject(String projectName) throws CoreException, ZipException, IOException {
IProject project= ResourceHelper.createProject(projectName);
ZipFile zip= new ZipFile(FileTool.getFileInPlugin(SearchTestPlugin.getDefault(), new Path("testresources/junit37-noUI-src.zip"))); //$NON-NLS-1$
FileTool.unzip(zip, project.getLocation().toFile());
project.refreshLocal(IResource.DEPTH_INFINITE, null);
return project;
}
}
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