/*

  * Copyright 2007-2010 The Kuali Foundation

  *

  * Licensed under the Educational Community License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  * http://www.opensource.org/licenses/ecl2.php

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  */

 package org.kuali.rice.core.jaxb;

 import java.util.HashMap;

 import java.util.Map;

 import javax.xml.bind.annotation.adapters.XmlAdapter;

 /**

  * Do JAXB mapping of Map<String, String> to a format like the following:

  * 

  * <pre>

  * {@code

  * 

  * }

  * 

  * @author Kuali Rice Team (rice.collab@kuali.org)

  *

  */

 public class MapStringStringAdapter extends XmlAdapter<StringMapEntry[], Map<String, String>> {

         @Override

         public StringMapEntry[] marshal(Map<String, String> map) throws Exception {

                 if(null == map) return null;

                 StringMapEntry[] entryArray = new StringMapEntry[map.size()];

                 int i = 0;

                 for (Map.Entry<String, String> e : map.entrySet()) {

                         entryArray[i] = new StringMapEntry(e);

                         i++;

                 }

                 return entryArray;

         }

         /**

          * This overridden method ...

          * 

          * @see javax.xml.bind.annotation.adapters.XmlAdapter#unmarshal(java.lang.Object)

          */

         @Override

         public Map<String, String> unmarshal(StringMapEntry[] entryArray) throws Exception {

                 if (null == entryArray) return null;

                 Map<String, String> resultMap = new HashMap<String, String>(entryArray.length);

                 for (int i = 0; i < entryArray.length; i++) {

                         StringMapEntry stringMapEntry = entryArray[i];

                         resultMap.put(stringMapEntry.getKey(), stringMapEntry.getValue());

                 }

                 return resultMap;

         }

 }