/*
* 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.cocoon.generation;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import org.apache.cocoon.util.FileFormatException;
import org.apache.cocoon.util.ImageProperties;
import org.apache.cocoon.util.ImageUtils;
import org.xml.sax.SAXException;
/**
* @cocoon.sitemap.component.documentation
* Generates an XML directory listing. This is an extension of
* the <link href="directory-generator.html">Directory Generator</link> that
* adds extra attributes for image files.
*
* @cocoon.sitemap.component.name imagedirectory
* @cocoon.sitemap.component.label content
* @cocoon.sitemap.component.logger sitemap.generator.imagedirectory
* @cocoon.sitemap.component.documentation.caching
* Uses the last modification date of the directory and the contained files
*
* @cocoon.sitemap.component.pooling.max 16
*
*
* @author <a href="mailto:balld@webslingerZ.com">Donald A. Ball Jr.</a>
* @author <a href="mailto:tcurdt@apache.org">Torsten Curdt</a>
* @version CVS $Id: ImageDirectoryGenerator.java 433543 2006-08-22 06:22:54Z crossley $
*/
final public class ImageDirectoryGenerator extends DirectoryGenerator {
protected final static String IMAGE_WIDTH_ATTR_NAME = "width";
protected final static String IMAGE_HEIGHT_ATTR_NAME = "height";
protected final static String IMAGE_COMMENT_ATTR_NAME = "comment";
/**
* Extends the <code>setNodeAttributes</code> method from the
* <code>DirectoryGenerator</code> by adding width, height and comment attributes
* if the path is a GIF or a JPEG file.
*/
protected void setNodeAttributes(File path) throws SAXException {
super.setNodeAttributes(path);
if (path.isDirectory()) {
return;
}
try {
ImageProperties p = ImageUtils.getImageProperties(path);
if (p != null) {
if (getLogger().isDebugEnabled()) {
getLogger().debug(String.valueOf(path) + " = " + String.valueOf(p));
}
attributes.addAttribute("", IMAGE_WIDTH_ATTR_NAME, IMAGE_WIDTH_ATTR_NAME, "CDATA", String.valueOf(p.width));
attributes.addAttribute("", IMAGE_HEIGHT_ATTR_NAME, IMAGE_HEIGHT_ATTR_NAME, "CDATA", String.valueOf(p.height));
if (p.comment != null) attributes.addAttribute("", IMAGE_COMMENT_ATTR_NAME, IMAGE_COMMENT_ATTR_NAME, "CDATA", String.valueOf(p.comment));
}
}
catch (FileFormatException e) {
throw new SAXException(e);
}
catch (FileNotFoundException e) {
throw new SAXException(e);
}
catch (IOException e) {
throw new SAXException(e);
}
}
}
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