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/*******************************************************************************
* Copyright (c) 2008 Institute for Software, HSR Hochschule fuer Technik
* Rapperswil, University of applied sciences 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:
* Institute for Software - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.internal.ui.refactoring;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.net.URI;
import org.eclipse.core.resources.IFile;
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.osgi.util.NLS;
/**
* A Change for creating a new file with the given name, content and encoding at the specified path.
*
* @author Emanuel Graf
*/
public class CreateFileChange extends Change {
private String name;
private final IPath path;
private final String source;
private final String encoding;
public CreateFileChange(String name, IPath path, String source, String encoding) {
super();
this.name = name;
this.path = path;
this.source = source;
this.encoding = encoding;
}
public CreateFileChange(IPath path, String source, String encoding) {
this(null, path, source, encoding);
}
@Override
public Object getModifiedElement() {
return ResourcesPlugin.getWorkspace().getRoot().getFile(path);
}
@Override
public String getName() {
if (name == null) {
return NLS.bind(Messages.CreateFileChange_CreateFile, path.toOSString());
}
return name;
}
@Override
public void initializeValidationData(IProgressMonitor pm) {
}
@Override
public RefactoringStatus isValid(IProgressMonitor pm)
throws CoreException, OperationCanceledException {
RefactoringStatus result= new RefactoringStatus();
IFile file= ResourcesPlugin.getWorkspace().getRoot().getFile(path);
URI location= file.getLocationURI();
if (location == null) {
result.addFatalError(NLS.bind(Messages.CreateFileChange_UnknownLoc, file.getFullPath().toString()));
return result;
}
if (file.exists()) {
result.addFatalError(NLS.bind(Messages.CreateFileChange_FileExists, file.getFullPath().toString()));
return result;
}
return result;
}
@Override
public Change perform(IProgressMonitor pm) throws CoreException {
IFile file= ResourcesPlugin.getWorkspace().getRoot().getFile(path);
InputStream is = new ByteArrayInputStream(source.getBytes());
file.create(is, false, new SubProgressMonitor(pm, 1));
if (encoding != null) {
file.setCharset(encoding, new SubProgressMonitor(pm,1));
}
return new DeleteFileChange(file.getFullPath());
}
public String getSource() {
return source;
}
public void setName(String name) {
this.name = name;
}
@Override
public String toString() {
return getName();
}
}
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