/*
* 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.commons.exporter;
import java.io.IOException;
import javax.el.ELException;
import javax.el.ValueExpression;
import javax.faces.FacesException;
import javax.faces.component.ActionSource;
import javax.faces.component.UIComponent;
import javax.faces.view.facelets.ComponentHandler;
import javax.faces.view.facelets.FaceletContext;
import javax.faces.view.facelets.FaceletException;
import javax.faces.view.facelets.TagAttribute;
import javax.faces.view.facelets.TagConfig;
import javax.faces.view.facelets.TagHandler;
/**
* The (FaceletsExporterActionListenerTag) is responsible for handling the
* ExporterActionListener Tag in Facelets.
*/
public class FaceletsExporterActionListenerTag extends TagHandler
{
private final TagAttribute _for;
private final TagAttribute _fileType;
private final TagAttribute _fileName;
public FaceletsExporterActionListenerTag(TagConfig tagConfig)
{
super(tagConfig);
this._for = getRequiredAttribute(ExporterActionListener.FOR_KEY);
this._fileType = getRequiredAttribute(ExporterActionListener.FILE_TYPE_KEY);
this._fileName = getRequiredAttribute(ExporterActionListener.FILENAME_KEY);
}
public void apply(FaceletContext faceletContext, UIComponent parent)
throws IOException, FacesException, FaceletException, ELException
{
if (ComponentHandler.isNew(parent))
{
ValueExpression forVE = _for.getValueExpression(faceletContext,
Object.class);
ValueExpression fileTypeVE = _fileType.getValueExpression(
faceletContext, Object.class);
ValueExpression fileNameVE = _fileName.getValueExpression(
faceletContext, Object.class);
ActionSource actionSource = (ActionSource) parent;
actionSource.addActionListener(new ExporterActionListener(
(String) forVE.getValue(faceletContext),
(String) fileTypeVE.getValue(faceletContext),
(String) fileNameVE.getValue(faceletContext)));
}
}
}