Java tutorial
/* * See the NOTICE file distributed with this work for additional * information regarding copyright ownership. * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this software; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see the FSF site: http://www.fsf.org. * * @author ludovic * @author sdumitriu */ package com.xpn.xwiki.plugin.laszlo; import com.xpn.xwiki.XWikiContext; import com.xpn.xwiki.XWikiException; import com.xpn.xwiki.api.Api; import com.xpn.xwiki.plugin.XWikiDefaultPlugin; import com.xpn.xwiki.plugin.XWikiPluginInterface; import com.xpn.xwiki.util.Util; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import java.io.File; import java.io.FileWriter; import java.io.IOException; public class LaszloPlugin extends XWikiDefaultPlugin implements XWikiPluginInterface { private static Log mLogger = LogFactory.getFactory() .getInstance(com.xpn.xwiki.plugin.laszlo.LaszloPlugin.class); private String laszloBaseURL; private String laszloPath; public LaszloPlugin(String name, String className, XWikiContext context) { super(name, className, context); init(context); } public String getName() { return "laszlo"; } public Api getPluginApi(XWikiPluginInterface plugin, XWikiContext context) { return new LaszloPluginApi((LaszloPlugin) plugin, context); } public void flushCache() { try { File[] filelist = (new File(laszloPath)).listFiles(); for (int i = 0; i < filelist.length; i++) { try { filelist[i].delete(); } catch (Exception e) { } } } catch (Exception e) { } } public void init(XWikiContext context) { super.init(context); laszloBaseURL = context.getWiki().Param("xwiki.plugin.laszlo.baseurl", "/openlaszlo/xwiki/"); if (!laszloBaseURL.endsWith("/")) laszloBaseURL = laszloBaseURL + "/"; laszloPath = context.getWiki().Param("xwiki.plugin.laszlo.path", "./webapps/openlaszlo/xwiki/"); if (!laszloPath.endsWith("/")) laszloPath = laszloPath + "/"; flushCache(); } public String writeLaszloFile(String name, String laszlocode) throws IOException, XWikiException { File laszloDir = new File(laszloPath); if (!laszloDir.exists()) laszloDir.mkdirs(); String filename = getFileName(name, laszlocode); laszlocode = Util.secureLaszloCode(laszlocode); File dfile = new File(laszloDir, filename); if (!dfile.exists()) { FileWriter fwriter = new FileWriter(dfile); fwriter.write(laszlocode); fwriter.flush(); fwriter.close(); } return filename; } public String getFileName(String name, String laszlocode) { if ((name == null) || name.trim().equals("")) name = "laszlo"; String filename = name + "-" + Math.abs(laszlocode.hashCode()) + ".lzx"; return filename; } public String getLaszloURL(String name, String laszlocode) throws IOException, XWikiException { String filename = writeLaszloFile(name, laszlocode); return laszloBaseURL + filename + "?lzt=swf"; } public String getLaszloFlash(String name, String width, String height, String laszlocode, XWikiContext context) throws IOException, XWikiException { String url = getLaszloURL(name, laszlocode); return context.getWiki().getFlash(url, width, height, context); } }