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/*****************************************************************************
* Copyright (c) 2013 CEA LIST.
*
* 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:
* CEA LIST - Initial API and implementation
*****************************************************************************/
package org.eclipse.papyrus.cdo.internal.ui.dnd;
import java.util.Collections;
import java.util.List;
import org.eclipse.emf.cdo.eresource.CDOResourceNode;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EAttribute;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EPackage;
import org.eclipse.emf.ecore.util.EcoreUtil;
import com.google.common.base.Function;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Iterables;
import com.google.common.io.ByteArrayDataInput;
import com.google.common.io.ByteArrayDataOutput;
import com.google.common.io.ByteStreams;
/**
* This is the CDOResourceURITransferData type. Enjoy.
*/
public final class CDOResourceURITransferData {
private static final String NS_URI = "http://www.eclipse.org/papyrus/1.0.0/cdo/private/dnd"; //$NON-NLS-1$
private static final EClass ECLASS = (EClass) EPackage.Registry.INSTANCE.getEPackage(NS_URI).getEClassifier(CDOResourceURITransferData.class.getSimpleName());
private static final EAttribute URIS = (EAttribute) ECLASS.getEStructuralFeature("resourceURIs"); //$NON-NLS-1$
private final List<URI> uris;
public CDOResourceURITransferData(Iterable<? extends CDOResourceNode> resourceNodes) {
this(ImmutableList.copyOf(Iterables.transform(resourceNodes, new Function<CDOResourceNode, URI>() {
@Override
public URI apply(CDOResourceNode input) {
return input.getURI();
}
})));
}
private CDOResourceURITransferData(List<URI> uris) {
this.uris = uris;
}
public List<URI> getURIs() {
return uris;
}
public byte[] serialize() {
ByteArrayDataOutput data = ByteStreams.newDataOutput();
data.writeInt(uris.size());
for (URI next : uris) {
data.writeUTF(next.toString());
}
return data.toByteArray();
}
public static CDOResourceURITransferData deserialize(byte[] serial) {
ImmutableList.Builder<URI> uris = ImmutableList.builder();
ByteArrayDataInput data = ByteStreams.newDataInput(serial);
final int count = data.readInt();
for (int i = 0; i < count; i++) {
uris.add(URI.createURI(data.readUTF()));
}
return new CDOResourceURITransferData(uris.build());
}
public static boolean isCDOResourceURITransferData(EObject object) {
return ECLASS.isInstance(object);
}
public static CDOResourceURITransferData fromEObject(EObject object) {
@SuppressWarnings("unchecked")
List<URI> uris = isCDOResourceURITransferData(object) ? (List<URI>) object.eGet(URIS) : Collections.<URI> emptyList();
return new CDOResourceURITransferData(uris);
}
public EObject asEObject() {
EObject result = EcoreUtil.create(ECLASS);
result.eSet(URIS, getURIs());
return result;
}
}
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