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/*******************************************************************************
* Copyright (c) 2004, 2006 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.team.internal.ccvs.ui;
import java.io.*;
import org.eclipse.swt.dnd.*;
import org.eclipse.team.internal.ccvs.core.ICVSRemoteFile;
import org.eclipse.team.internal.ccvs.core.ICVSRepositoryLocation;
import org.eclipse.team.internal.ccvs.core.resources.RemoteFile;
import org.eclipse.team.internal.ccvs.core.util.KnownRepositories;
/**
*
* @author Eugene Kuleshov
*/
public final class CVSResourceTransfer extends ByteArrayTransfer {
public static final String TYPE_NAME = "CVS-resource-transfer-format"; //$NON-NLS-1$
public static int TYPE = registerType(TYPE_NAME);
private static CVSResourceTransfer instance = new CVSResourceTransfer();
private CVSResourceTransfer() {
}
public static CVSResourceTransfer getInstance() {
return instance;
}
@Override
protected int[] getTypeIds() {
return new int[] { TYPE };
}
@Override
protected String[] getTypeNames() {
return new String[] { TYPE_NAME };
}
@Override
public void javaToNative(Object object, TransferData transferData) {
if (!isSupportedType(transferData)) {
DND.error(DND.ERROR_INVALID_DATA);
}
final byte[] bytes = toByteArray((ICVSRemoteFile) object);
if (bytes != null) {
super.javaToNative(bytes, transferData);
}
}
@Override
protected Object nativeToJava(TransferData transferData) {
byte[] bytes = (byte[]) super.nativeToJava(transferData);
return fromByteArray(bytes);
}
public Object fromByteArray(byte[] bytes) {
final DataInputStream in = new DataInputStream(new ByteArrayInputStream(bytes));
try {
String location = in.readUTF();
String filePath = in.readUTF();
String fileRevision = in.readUTF();
ICVSRepositoryLocation repositoryLocation = KnownRepositories.getInstance().getRepository(location);
RemoteFile file = RemoteFile.create( filePath, repositoryLocation);
file.setRevision(fileRevision);
file.setReadOnly(true);
return file;
} catch (Exception ex) {
return null;
}
}
public byte[] toByteArray(ICVSRemoteFile file) {
ByteArrayOutputStream bos = new ByteArrayOutputStream();
DataOutputStream dos = new DataOutputStream(bos);
try {
dos.writeUTF(file.getRepository().getLocation(false));
dos.writeUTF(file.getRepositoryRelativePath());
dos.writeUTF(file.getRevision());
return bos.toByteArray();
} catch (Exception ex) {
// ex.printStackTrace();
return null;
}
}
}
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