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/*******************************************************************************
* Copyright (c) 2004, 2007 Boeing.
* 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:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.framework.skynet.core.attribute;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.nio.ByteBuffer;
import java.util.logging.Level;
import org.eclipse.osee.framework.jdk.core.type.OseeCoreException;
import org.eclipse.osee.framework.jdk.core.util.Lib;
import org.eclipse.osee.framework.logging.OseeLog;
import org.eclipse.osee.framework.skynet.core.internal.Activator;
public final class JavaObjectAttribute extends BinaryAttribute<Object> {
@Override
public Object getValue() throws OseeCoreException {
return getObjectFromBytes(getAttributeDataProvider().getValueAsBytes());
}
private Object getObjectFromBytes(ByteBuffer buffer) {
Object obj = null;
InputStream inputStream = null;
ObjectInputStream objectStream = null;
try {
inputStream = Lib.byteBufferToInputStream(buffer);
if (inputStream != null) {
objectStream = new ObjectInputStream(inputStream);
obj = objectStream.readObject();
}
} catch (Exception ex) {
OseeLog.log(Activator.class, Level.SEVERE, ex);
} finally {
try {
if (inputStream != null) {
inputStream.reset();
}
} catch (IOException ex) {
OseeLog.log(Activator.class, Level.SEVERE, ex);
}
try {
if (objectStream != null) {
objectStream.close();
}
} catch (IOException ex) {
OseeLog.log(Activator.class, Level.SEVERE, ex);
}
}
return obj;
}
@Override
public boolean subClassSetValue(Object value) {
try {
ByteArrayOutputStream byteStream = new ByteArrayOutputStream();
ObjectOutputStream objectStream = new ObjectOutputStream(byteStream);
objectStream.writeObject(value);
objectStream.flush();
objectStream.close();
getAttributeDataProvider().setValue(ByteBuffer.wrap(byteStream.toByteArray()));
getAttributeDataProvider().setDisplayableString(value != null ? value.getClass().getName() : "null");
} catch (Exception ex) {
OseeLog.log(Activator.class, Level.SEVERE, ex);
}
return true;
}
@Override
public Object convertStringToValue(String value) {
if (value == null) {
return null;
}
return getObjectFromBytes(ByteBuffer.wrap(value.getBytes()));
}
}
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