| /******************************************************************************* |
| * 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()}; |
| } |
| } |