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/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Eclipse Public License, Version 1.0 (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.eclipse.org/org/documents/epl-v10.php
*
* 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 com.android.ide.eclipse.adt.internal.wizards.templates;
import com.android.annotations.NonNull;
import com.android.ide.eclipse.adt.AdtPlugin;
import com.android.ide.eclipse.adt.AdtUtils;
import com.google.common.io.Closeables;
import com.google.common.io.Files;
import com.google.common.io.InputSupplier;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.OperationCanceledException;
import org.eclipse.core.runtime.SubProgressMonitor;
import org.eclipse.ltk.core.refactoring.Change;
import org.eclipse.ltk.core.refactoring.RefactoringStatus;
import org.eclipse.ltk.core.refactoring.resource.ResourceChange;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.net.URI;
/** Change which lazily copies a file */
public class CreateFileChange extends ResourceChange {
private String mName;
private final IPath mPath;
private final File mSource;
CreateFileChange(@NonNull String name, @NonNull IPath workspacePath, File source) {
mName = name;
mPath = workspacePath;
mSource = source;
}
@Override
protected IResource getModifiedResource() {
return ResourcesPlugin.getWorkspace().getRoot().getFile(mPath);
}
@Override
public String getName() {
return mName;
}
@Override
public RefactoringStatus isValid(IProgressMonitor pm)
throws CoreException, OperationCanceledException {
RefactoringStatus result = new RefactoringStatus();
IFile file = ResourcesPlugin.getWorkspace().getRoot().getFile(mPath);
URI location = file.getLocationURI();
if (location == null) {
result.addFatalError("Unknown location " + file.getFullPath().toString());
return result;
}
return result;
}
@SuppressWarnings("resource") // Eclipse doesn't know about Guava's Closeables.closeQuietly
@Override
public Change perform(IProgressMonitor pm) throws CoreException {
InputSupplier<FileInputStream> supplier = Files.newInputStreamSupplier(mSource);
InputStream is = null;
try {
pm.beginTask("Creating file", 3);
IFile file = (IFile) getModifiedResource();
IContainer parent = file.getParent();
if (parent != null && !parent.exists()) {
IFolder folder = ResourcesPlugin.getWorkspace().getRoot().getFolder(
parent.getFullPath());
AdtUtils.ensureExists(folder);
}
is = supplier.getInput();
file.create(is, false, new SubProgressMonitor(pm, 1));
pm.worked(1);
} catch (Exception ioe) {
AdtPlugin.log(ioe, null);
} finally {
Closeables.closeQuietly(is);
pm.done();
}
return null;
}
}
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