/*

  * Copyright 2004-2008 the Seasar Foundation and the Others.

  *

  * Licensed under the Apache 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.apache.org/licenses/LICENSE-2.0

  *

  * 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.seasar.uruma.component.base;

 import java.io.Writer;

 import java.util.ArrayList;

 import java.util.List;

 import org.seasar.uruma.annotation.ConfigurationAttribute;

 import org.seasar.uruma.component.jface.CompositeComponent;

 import org.seasar.uruma.rcp.configuration.ConfigurationElement;

 import org.seasar.uruma.rcp.configuration.ConfigurationWriter;

 /**

  * 子要素を持たない {@link ConfigurationElement} の基底クラスです。<br />

  * 主に <code>viewPart</code> や <code>editorPart</code> を定義するためのクラスです。<br />

  * 

  * @author y-komori

  */

 public abstract class PartConfigurationElement extends CompositeComponent

         implements ConfigurationElement {

     private static final List<ConfigurationElement> nullList = new ArrayList<ConfigurationElement>(

             0);

     protected ConfigurationWriter configurationWriter;

     @ConfigurationAttribute(name = "id")

     private String rcpId;

     /*

      * @see org.seasar.uruma.rcp.configuration.ConfigurationElement#getElements()

      */

     public List<ConfigurationElement> getElements() {

         return nullList;

     }

     /*

      * @see org.seasar.uruma.rcp.configuration.ConfigurationElement#setConfigurationWriter(org.seasar.uruma.rcp.configuration.ConfigurationWriter)

      */

     public void setConfigurationWriter(final ConfigurationWriter writer) {

         this.configurationWriter = writer;

     }

     /*

      * @see org.seasar.uruma.rcp.configuration.ConfigurationElement#writeConfiguration(java.io.Writer)

      */

     public void writeConfiguration(final Writer writer) {

         if (configurationWriter != null) {

             configurationWriter.writeStartTag(this, writer);

             configurationWriter.writeEndTag(this, writer);

         }

     }

     /*

      * @see org.seasar.uruma.rcp.configuration.ConfigurationElement#getRcpId()

      */

     public String getRcpId() {

         return this.rcpId;

     }

     /*

      * @see org.seasar.uruma.rcp.configuration.ConfigurationElement#setRcpId(java.lang.String)

      */

     public void setRcpId(final String rcpId) {

         this.rcpId = rcpId;

     }

 }