/*
* Copyright (c) 2003-2011, Simon Brown
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* - Neither the name of Pebble nor the names of its contributors may
* be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package net.sourceforge.pebble.decorator;
import net.sourceforge.pebble.api.decorator.ContentDecoratorContext;
import net.sourceforge.pebble.domain.BlogEntry;
import net.sourceforge.pebble.domain.StaticPage;
import net.sourceforge.pebble.util.StringUtils;
import net.sourceforge.pebble.PluginProperties;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* Automatically creates an excerpt for blog entries if one doesn't already
* exist.
*
* @author Simon Brown
*/
public class ExcerptDecorator extends ContentDecoratorSupport {
private static final Log log = LogFactory.getLog(ExcerptDecorator.class);
/** the name of the maxLength property */
public static final String MAX_LENGTH_KEY = "ExcerptDecorator.maxLength";
/**
* Decorates the specified blog entry.
*
* @param context the context in which the decoration is running
* @param blogEntry the blog entry to be decorated
*/
public void decorate(ContentDecoratorContext context, BlogEntry blogEntry) {
PluginProperties props = blogEntry.getBlog().getPluginProperties();
int maxLength = StringUtils.MAX_CONTENT_LENGTH;
if (props.hasProperty(MAX_LENGTH_KEY)) {
try {
maxLength = Integer.parseInt(props.getProperty(MAX_LENGTH_KEY));
} catch (NumberFormatException nfe) {
log.error(nfe.getMessage());
// do nothing, the value has already been defaulted
}
}
if (blogEntry.getExcerpt() == null || blogEntry.getExcerpt().length() == 0) {
blogEntry.setExcerpt(StringUtils.truncate(blogEntry.getBody(), maxLength));
}
}
/**
* Decorates the specified static page.
*
* @param context the context in which the decoration is running
* @param staticPage the static page to be decorated
*/
public void decorate(ContentDecoratorContext context, StaticPage staticPage) {
}
}