/*

  * Copyright 2008-2009 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.kim.bo.types;

 import java.util.Collections;

 import java.util.HashMap;

 import java.util.Iterator;

 import java.util.Map;

 import java.util.Set;

 /**

  * Immutable version of an attribute set - not used at present. 

  * 

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

  *

  */

 @Deprecated 

 public class KimAttributeSet implements Iterable<KimAttributeSet.AttributeHolder> {

         protected Map<String,String> attributes = new HashMap<String,String>();

         public KimAttributeSet( Map<String,String> attributes ) {

                 this.attributes.putAll( attributes );

         }

         public String getValue( String name ) {

                 return attributes.get( name );

         }

         public Set<String> getAttributeNames() {

                 return Collections.unmodifiableSet( attributes.keySet() );

         }

         /**

          * @see java.lang.Iterable#iterator()

          */

         public Iterator<AttributeHolder> iterator() {

                 final Iterator<String> keySetIterator = attributes.keySet().iterator();

                 return new Iterator<AttributeHolder>() {

                         /**

                          * @see java.util.Iterator#hasNext()

                          */

                         public boolean hasNext() {

                                 return keySetIterator.hasNext();

                         }

                         /**

                          * @see java.util.Iterator#next()

                          */

                         public AttributeHolder next() {

                                 final String key = keySetIterator.next();

                                 final String value = attributes.get( key );

                                 return new AttributeHolder() {

                                         public String getName() {

                                                 return key;

                                         }                                        

                                         public String getValue() {

                                                 return value;

                                         }

                                 };

                         }

                         /**

                          * @see java.util.Iterator#remove()

                          */

                         public void remove() {

                                 throw new UnsupportedOperationException();

                         }

                 };

         }

         public interface AttributeHolder {

                 public String getName();                

                 public String getValue();

         }

 }