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/*******************************************************************************
* Copyright (c) 2004, 2005 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.wst.ws.internal.explorer.platform.engine.transformer;
import java.util.Hashtable;
import java.util.Vector;
import org.eclipse.wst.ws.internal.explorer.platform.constants.ActionInputs;
import org.eclipse.wst.ws.internal.explorer.platform.constants.ModelConstants;
import org.eclipse.wst.ws.internal.explorer.platform.perspective.Controller;
public class MassNodeIdTransformer extends NodeIdTransformer
{
protected String massNodeIdKey;
public MassNodeIdTransformer(Controller controller, String massNodeIdKey)
{
super(controller);
this.massNodeIdKey = massNodeIdKey;
}
public Hashtable normalize(Hashtable properties)
{
if (!properties.containsKey(massNodeIdKey))
return super.normalize(properties);
Object origNodeId = properties.get(ActionInputs.NODEID);
String[] massNodeIds = getValueAsStringArray(properties, massNodeIdKey);
for (int i = 0; i < massNodeIds.length; i++)
{
properties.put(ActionInputs.NODEID, massNodeIds[i]);
properties = super.normalize(properties);
String[] rels = getValueAsStringArray(properties, ModelConstants.REL_ID);
if (rels.length > 0)
{
StringBuffer sb = new StringBuffer(ModelConstants.REL_ID);
sb.append(ModelConstants.REL_LOCALNAME_SEPARATOR);
sb.append(massNodeIds[i]);
properties.put(sb.toString(), rels);
}
properties.remove(ActionInputs.NODEID);
properties.remove(ModelConstants.REL_ID);
}
if (origNodeId != null)
properties.put(ActionInputs.NODEID, origNodeId);
return properties;
}
public Hashtable deNormalize(Hashtable properties)
{
if (!properties.containsKey(massNodeIdKey))
return super.deNormalize(properties);
Vector massNodeIdVector = new Vector();
Object origNodeId = properties.get(ActionInputs.NODEID);
properties.remove(ActionInputs.NODEID);
String[] massNodeIds = getValueAsStringArray(properties, massNodeIdKey);
for (int i = 0; i < massNodeIds.length; i++)
{
StringBuffer sb = new StringBuffer(ModelConstants.REL_ID);
sb.append(ModelConstants.REL_LOCALNAME_SEPARATOR);
sb.append(massNodeIds[i]);
Object rels = properties.get(sb.toString());
if (rels != null)
{
properties.put(ModelConstants.REL_ID, rels);
properties = super.deNormalize(properties);
Object nodeId = properties.get(ActionInputs.NODEID);
if (nodeId != null)
{
massNodeIdVector.add(nodeId);
properties.remove(ActionInputs.NODEID);
}
properties.remove(ModelConstants.REL_ID);
}
}
if (origNodeId != null)
properties.put(ActionInputs.NODEID, origNodeId);
int size = massNodeIdVector.size();
if (size == 1)
properties.put(massNodeIdKey, massNodeIdVector.get(0));
else if (size > 1)
properties.put(massNodeIdKey, massNodeIdVector.toArray(new String[0]));
else
properties.remove(massNodeIdKey);
return properties;
}
private String[] getValueAsStringArray(Hashtable properties, String key)
{
Object values = properties.get(key);
if (values == null)
return new String[0];
else if (values instanceof String[])
return (String[])values;
else
return new String[] {values.toString()};
}
}
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