/*
* 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.myfaces.taglib.core;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.el.ValueExpression;
import javax.faces.component.ActionSource;
import javax.faces.component.UIComponent;
import javax.faces.event.ActionListener;
import javax.faces.webapp.UIComponentClassicTagBase;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.tagext.TagSupport;
import org.apache.myfaces.buildtools.maven2.plugin.builder.annotation.JSFJspAttribute;
import org.apache.myfaces.buildtools.maven2.plugin.builder.annotation.JSFJspTag;
import org.apache.myfaces.event.SetPropertyActionListener;
/**
* @author Dennis Byrne
* @since 1.2
*/
@JSFJspTag(name = "f:setPropertyActionListener", bodyContent = "empty")
public class SetPropertyActionListenerTag extends TagSupport
{
//private static final Log log = LogFactory.getLog(SetPropertyActionListenerTag.class);
private static final Logger log = Logger.getLogger(SetPropertyActionListenerTag.class.getName());
private ValueExpression target;
private ValueExpression value;
@Override
public int doStartTag() throws JspException
{
if (log.isLoggable(Level.FINE))
{
log.fine("JSF 1.2 Spec : Create a new instance of the ActionListener");
}
ActionListener actionListener = new SetPropertyActionListener(target, value);
UIComponentClassicTagBase tag = UIComponentClassicTagBase.getParentUIComponentClassicTagBase(pageContext);
if (tag == null)
{
throw new JspException("Could not find a " + "parent UIComponentClassicTagBase ... is this "
+ "tag in a child of a UIComponentClassicTagBase?");
}
if (tag.getCreated())
{
UIComponent component = tag.getComponentInstance();
if (component == null)
{
throw new JspException(" Could not locate a UIComponent " + "for a UIComponentClassicTagBase w/ a "
+ "JSP id of " + tag.getJspId());
}
if (!(component instanceof ActionSource))
{
throw new JspException("Component w/ id of " + component.getId()
+ " is associated w/ a tag w/ JSP id of " + tag.getJspId() + ". This component is of type "
+ component.getClass() + ", which is not an " + ActionSource.class);
}
if (log.isLoggable(Level.FINE))
{
log.fine(" ... register it with the UIComponent " + "instance associated with our most immediately "
+ "surrounding UIComponentTagBase");
}
((ActionSource)component).addActionListener(actionListener);
}
return SKIP_BODY;
}
/**
* ValueExpression for the destination of the value attribute.
*/
@JSFJspAttribute(required = true,
className="javax.el.ValueExpression",
deferredValueType="java.lang.Object")
public ValueExpression getTarget()
{
return target;
}
public void setTarget(ValueExpression target)
{
this.target = target;
}
/**
* ValueExpression for the value of the target attribute.
*
* @return
*/
@JSFJspAttribute(required = true,
className="javax.el.ValueExpression",
deferredValueType="java.lang.Object")
public ValueExpression getValue()
{
return value;
}
public void setValue(ValueExpression value)
{
this.value = value;
}
@Override
public void release()
{
target = null;
value = null;
}
}