001/*
002 *  Copyright 2011 Anyware Services
003 *
004 *  Licensed under the Apache License, Version 2.0 (the "License");
005 *  you may not use this file except in compliance with the License.
006 *  You may obtain a copy of the License at
007 *
008 *      http://www.apache.org/licenses/LICENSE-2.0
009 *
010 *  Unless required by applicable law or agreed to in writing, software
011 *  distributed under the License is distributed on an "AS IS" BASIS,
012 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 *  See the License for the specific language governing permissions and
014 *  limitations under the License.
015 */
016package org.ametys.plugins.blog.repository;
017
018import org.ametys.plugins.repository.AmetysObject;
019import org.ametys.plugins.repository.AmetysObjectIterable;
020import org.ametys.plugins.repository.AmetysObjectIterator;
021import org.ametys.plugins.repository.AmetysRepositoryException;
022import org.ametys.plugins.repository.data.holder.ModelLessDataHolder;
023import org.ametys.web.repository.page.Page;
024import org.ametys.web.repository.page.Zone;
025import org.ametys.web.repository.page.ZoneItem;
026
027/**
028 * Wrapper to present a modifiable zone into a unmodifiable one.
029 */
030public class StaticZone implements Zone
031{
032    
033    /** The wrapped zone. */
034    protected Zone _zone;
035    
036    /**
037     * Construct a static zone, wrapping a given zone.
038     * @param zone the zone to wrap.
039     */
040    public StaticZone(Zone zone)
041    {
042        _zone = zone;
043    }
044    
045    public ModelLessDataHolder getDataHolder()
046    {
047        return _zone.getDataHolder();
048    }
049
050    @Override
051    public String getName() throws AmetysRepositoryException
052    {
053        return _zone.getName();
054    }
055
056    @Override
057    public String getPath() throws AmetysRepositoryException
058    {
059        return _zone.getPath();
060    }
061
062    @Override
063    public String getId() throws AmetysRepositoryException
064    {
065        return _zone.getId();
066    }
067
068    @Override
069    public <A extends AmetysObject> A getParent() throws AmetysRepositoryException
070    {
071        return _zone.getParent();
072    }
073
074    @Override
075    public String getParentPath() throws AmetysRepositoryException
076    {
077        return _zone.getParentPath();
078    }
079
080    @Override
081    public AmetysObjectIterable< ? extends ZoneItem> getZoneItems() throws AmetysRepositoryException
082    {
083        return new StaticZoneItemIterable(_zone.getZoneItems());
084    }
085
086    @Override
087    public Page getPage()
088    {
089        return _zone.getPage();
090    }
091    
092    /**
093     * Static zone item iterable.
094     */
095    protected class StaticZoneItemIterable implements AmetysObjectIterable<StaticZoneItem>
096    {
097        
098        /** The wrapped iterable. */
099        protected AmetysObjectIterable<? extends ZoneItem> _iterable;
100        
101        /**
102         * Construct a StaticZoneItemIterable, wrapping an iterable.
103         * @param iterable zone item iterable.
104         */
105        public StaticZoneItemIterable(AmetysObjectIterable<? extends ZoneItem> iterable)
106        {
107            _iterable = iterable;
108        }
109        
110        @Override
111        public AmetysObjectIterator<StaticZoneItem> iterator()
112        {
113            return new StaticZoneItemIterator(_iterable.iterator());
114        }
115
116        @Override
117        public long getSize()
118        {
119            return _iterable.getSize();
120        }
121
122        @Override
123        public void close()
124        {
125            _iterable.close();
126        }
127        
128    }
129    
130    class StaticZoneItemIterator implements AmetysObjectIterator<StaticZoneItem>
131    {
132        AmetysObjectIterator<? extends ZoneItem> _it;
133        
134        public StaticZoneItemIterator(AmetysObjectIterator<? extends ZoneItem> it)
135        {
136            _it = it;
137        }
138        
139        public boolean hasNext()
140        {
141            return _it.hasNext();
142        }
143
144        public StaticZoneItem next()
145        {
146            return new StaticZoneItem(_it.next());
147        }
148        
149        public void skip(long skipNum)
150        {
151            _it.skip(skipNum);
152        }
153
154        public long getPosition()
155        {
156            return _it.getPosition();
157        }
158
159        public long getSize()
160        {
161            return _it.getSize();
162        }
163        
164        public void remove()
165        {
166            _it.remove();
167        }
168    }
169}