📄 tidylistener.java
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/* * Copyright (c) 2003-2006, 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.event.blogentry;import net.sourceforge.pebble.domain.BlogEntry;import net.sourceforge.pebble.api.event.blogentry.BlogEntryEvent;import org.apache.commons.logging.Log;import org.apache.commons.logging.LogFactory;import org.w3c.dom.Document;import org.w3c.tidy.Tidy;import java.beans.PropertyChangeEvent;import java.util.Iterator;import java.util.List;import java.io.ByteArrayInputStream;import java.io.ByteArrayOutputStream;/** * Runs W3C Tidy over the excerpt and body of blog entries so that * they are valid XHTML. * * @author Simon Brown */public class TidyListener extends BlogEntryListenerSupport { /** the log used by this class */ private static final Log log = LogFactory.getLog(TidyListener.class); /** * Called when a blog entry has been added. * * @param event a BlogEntryEvent instance */ public void blogEntryAdded(BlogEntryEvent event) { tidy(event.getBlogEntry()); } /** * Called when a blog entry has been changed. * * @param event a BlogEntryEvent instance */ public void blogEntryChanged(BlogEntryEvent event) { List propertyChangeEvents = event.getPropertyChangeEvents(); Iterator it = propertyChangeEvents.iterator(); while (it.hasNext()) { PropertyChangeEvent pce = (PropertyChangeEvent)it.next(); String property = pce.getPropertyName(); if (property.equals(BlogEntry.EXCERPT_PROPERTY) || property.equals(BlogEntry.BODY_PROPERTY)) { tidy(event.getBlogEntry()); } } } private void tidy(BlogEntry blogEntry) { blogEntry.setExcerpt(tidy(blogEntry.getExcerpt())); blogEntry.setBody(tidy(blogEntry.getBody())); } private String tidy(String s) { if (s != null && s.length() > 0) { s = "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n" + "<html xmlns=\"http://www.w3.org/1999/xhtml\"><title></title><body>" + s + "</body></html>"; ByteArrayInputStream in = new ByteArrayInputStream(s.getBytes()); ByteArrayOutputStream out = new ByteArrayOutputStream(); Tidy tidy = new Tidy(); tidy.setXHTML(true); tidy.setDocType("\"-//W3C//DTD XHTML 1.0 Transitional//EN\""); tidy.setQuiet(true); tidy.setShowWarnings(false); tidy.setIndentContent(false); tidy.setSmartIndent(false); tidy.setIndentAttributes(false); tidy.setWraplen(0); Document doc = tidy.parseDOM(in, null); tidy.pprint(doc, out); String tidied = new String(out.toByteArray()); return tidied.substring(tidied.indexOf("<body>")+"<body>".length(), tidied.indexOf("</body>")).trim(); } else { return ""; } }}⌨️ 快捷键说明
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