/**
* License Agreement.
*
* Rich Faces - Natural Ajax for Java Server Faces (JSF)
*
* Copyright (C) 2007 Exadel, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1 as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package org.ajax4jsf.taglib.html.jsp;
import javax.el.MethodExpression;
import javax.el.ValueExpression;
import javax.faces.component.ActionSource;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.convert.Converter;
import javax.faces.webapp.UIComponentClassicTagBase;
import org.ajax4jsf.Messages;
import org.ajax4jsf.component.UIActionParameter;
import org.ajax4jsf.webapp.taglib.UIComponentTagBase;
/**
* @author shura (latest modification by $Author: alexsmirnov $)
* @version $Revision: 1.1.2.1 $ $Date: 2007/02/01 15:31:31 $
*
*/
public class ActionParamTag extends UIComponentTagBase
{
/* (non-Javadoc)
* @see javax.faces.webapp.UIComponentTag#getComponentType()
*/
public String getComponentType()
{
return "org.ajax4jsf.components.ActionParameter";
}
/* (non-Javadoc)
* @see javax.faces.webapp.UIComponentTag#getRendererType()
*/
public String getRendererType()
{
return null;
}
// UIComponent attributes --> already implemented in UIComponentTagBase
// UIParameter attributes
// value already implemented in UIComponentTagBase
private ValueExpression _name;
private ValueExpression _assignTo;
private ValueExpression _converter;
private ValueExpression _noEscape;
private MethodExpression _actionListener;
protected void setProperties(UIComponent component)
{
super.setProperties(component);
setStringProperty(component, "name", _name);
setBooleanProperty(component, "noEscape", _noEscape);
if (_actionListener != null) {
((UIActionParameter) component).setActionListener(_actionListener);
}
//Find parent UIComponentTag
UIComponentClassicTagBase componentTag =
UIComponentClassicTagBase.getParentUIComponentClassicTagBase(pageContext);
if (componentTag == null)
{
throw new IllegalArgumentException(Messages.getMessage(Messages.NO_UI_COMPONENT_TAG_ANCESTOR_ERROR, "ActionParameterTag"));
}
if (componentTag.getCreated())
{
//Component was just created, so we add the Listener
UIComponent parentComponent = componentTag.getComponentInstance();
if (parentComponent instanceof ActionSource)
{
if (_assignTo != null) {
if (_assignTo.isLiteralText()) throw new IllegalArgumentException(Messages.getMessage(Messages.NO_VALUE_REFERENCE_ERROR_2, _assignTo));
UIActionParameter al = (UIActionParameter)component;
al.setAssignToBinding(_assignTo);
if (_converter != null)
{
if (!_converter.isLiteralText()) {
component.setValueExpression("converter", _converter);
} else {
Converter conv = FacesContext.getCurrentInstance().getApplication().createConverter(_converter.getExpressionString());
al.setConverter(conv);
}
}
((ActionSource)parentComponent).addActionListener(al);
}
}
}
}
public void setName(ValueExpression name)
{
_name = name;
}
/**
* @param converter The converter to set.
*/
public void setConverter(ValueExpression converter)
{
this._converter = converter;
}
/**
* @param noEscape The noEscape to set.
*/
public void setNoEscape(ValueExpression noEscape)
{
this._noEscape = noEscape;
}
/**
* @param property The property to set.
*/
public void setAssignTo(ValueExpression property)
{
this._assignTo = property;
}
/**
* @param property The property to set.
*/
public void setActionListener(MethodExpression listener) {
this._actionListener = listener;
}
/* (non-Javadoc)
* @see org.apache.myfaces.taglib.UIComponentTagBase#release()
*/
public void release()
{
_name = null;
_assignTo = null;
_converter = null;
_noEscape = null;
_actionListener = null;
super.release();
}
}