/*
* $Id: AddListAttributeTag.java 666270 2008-06-10 18:46:54Z apetrelli $
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.tiles.jsp.taglib;
import org.apache.tiles.Attribute;
import java.util.ArrayList;
import java.util.List;
/**
* AddListAttribute tag implementation.
*
* @since Tiles 1.0
* @version $Rev: 666270 $ $Date: 2008-06-10 20:46:54 +0200 (Tue, 10 Jun 2008) $
*/
public class AddListAttributeTag extends AddAttributeTag
implements AddAttributeTagParent {
/**
* Get list defined in tag.
*
* @return The list of attributes.
*/
@SuppressWarnings("unchecked")
public List<Attribute> getAttributes() {
return (List<Attribute>) super.getValue();
}
/** {@inheritDoc} */
@Override
public void setValue(Object object) {
throw new IllegalStateException("The value of the PutListAttributeTag must be the originally defined list.");
}
/** {@inheritDoc} */
public int doStartTag() {
super.setValue(new ArrayList<Attribute>());
return EVAL_BODY_BUFFERED;
}
/**
* PutListAttributeTag may not have any body, except for PutAttribute tags.
*
* @return <code>SKIP_BODY</code>.
*/
public int doAfterBody() {
return (SKIP_BODY);
}
/**
* Release the state of this put list by
* clearing the contents of the list.
*/
public void release() {
super.setValue(null);
super.release();
}
/**
* Process nested ≶addAttribute> tag.
* <p/>
* Places the value of the nested tag within the
* {@link org.apache.tiles.AttributeContext}.It is the responsibility
* of the descendent to check security. Security will be managed by called
* tags.
*
* @param nestedTag the put tag desciendent.
*/
public void processNestedTag(AddAttributeTag nestedTag) {
Attribute attribute = new Attribute(nestedTag.getValue(), nestedTag
.getRole(), nestedTag.getType());
this.addValue(attribute);
}
/**
* Adds a value in this list.
*
* @param attribute The attribute to add.
*/
private void addValue(Attribute attribute) {
this.getAttributes().add(attribute);
}
}