/*
* 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.tobago.facelets;
import com.sun.facelets.tag.TagAttribute;
import com.sun.facelets.tag.TagConfig;
import com.sun.facelets.tag.TextHandler;
import com.sun.facelets.tag.TagHandler;
import com.sun.facelets.tag.TagException;
import com.sun.facelets.FaceletContext;
import javax.faces.component.UIComponent;
import javax.faces.FacesException;
import javax.el.ELException;
import java.io.IOException;
import java.util.Iterator;
import org.apache.myfaces.tobago.component.UIPage;
/*
* User: bommel
* Date: Feb 3, 2007
* Time: 9:35:18 AM
*/
public class StyleHandler extends TagHandler {
private final TagAttribute style;
public StyleHandler(TagConfig config) {
super(config);
style = getAttribute("style");
}
public void apply(FaceletContext faceletContext, UIComponent parent)
throws IOException, FacesException, ELException {
if (parent instanceof UIPage) {
UIPage page = (UIPage) parent;
if (style != null) {
page.getStyleFiles().add(style.getValue(faceletContext));
}
StringBuffer buffer = new StringBuffer();
Iterator iter = findNextByType(TextHandler.class);
while (iter.hasNext()) {
TextHandler text = (TextHandler) iter.next();
buffer.append(text.getText(faceletContext));
}
String content = buffer.toString().trim();
if (content.length() > 0) {
page.getStyleBlocks().add(content);
}
} else {
throw new TagException(tag, "Parent is not of type UIPage, type is: " + parent);
}
}
}