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/*
* Copyright (C) 2008 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.io;
import com.android.io.IAbstractFile;
import com.android.io.IAbstractFolder;
import com.android.io.StreamException;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.NullProgressMonitor;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
/**
* An implementation of {@link IAbstractFile} on top of an {@link IFile} object.
*/
public class IFileWrapper implements IAbstractFile {
private final IFile mFile;
public IFileWrapper(IFile file) {
mFile = file;
}
@Override
public InputStream getContents() throws StreamException {
try {
return mFile.getContents();
} catch (CoreException e) {
StreamException.Error error = StreamException.Error.DEFAULT;
if (mFile.isSynchronized(IResource.DEPTH_ZERO) == false) {
error = StreamException.Error.OUTOFSYNC;
}
throw new StreamException(e, this, error);
}
}
@Override
public void setContents(InputStream source) throws StreamException {
try {
mFile.setContents(source, IResource.FORCE, null);
} catch (CoreException e) {
throw new StreamException(e, this);
}
}
@Override
public OutputStream getOutputStream() throws StreamException {
return new ByteArrayOutputStream() {
@Override
public void close() throws IOException {
super.close();
byte[] data = toByteArray();
try {
setContents(new ByteArrayInputStream(data));
} catch (StreamException e) {
throw new IOException();
}
}
};
}
@Override
public PreferredWriteMode getPreferredWriteMode() {
return PreferredWriteMode.INPUTSTREAM;
}
@Override
public String getOsLocation() {
return mFile.getLocation().toOSString();
}
@Override
public String getName() {
return mFile.getName();
}
@Override
public boolean exists() {
return mFile.exists();
}
@Override
public boolean delete() {
try {
mFile.delete(true /*force*/, new NullProgressMonitor());
return true;
} catch (CoreException e) {
return false;
}
}
/**
* Returns the {@link IFile} object that the receiver could represent. Can be <code>null</code>
*/
public IFile getIFile() {
return mFile;
}
@Override
public long getModificationStamp() {
return mFile.getModificationStamp();
}
@Override
public boolean equals(Object obj) {
if (obj instanceof IFileWrapper) {
return mFile.equals(((IFileWrapper)obj).mFile);
}
if (obj instanceof IFile) {
return mFile.equals(obj);
}
return super.equals(obj);
}
@Override
public int hashCode() {
return mFile.hashCode();
}
@Override
public IAbstractFolder getParentFolder() {
IContainer p = mFile.getParent();
if (p != null) {
return new IFolderWrapper(p);
}
return null;
}
@Override
public String toString() {
return mFile.toString();
}
}
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