/*--
     
      Copyright (C) 2000-2007 Jason Hunter & Brett McLaughlin.
      All rights reserved.
     
      Redistribution and use in source and binary forms, with or without
      modification, are permitted provided that the following conditions
      are met:
     
      1. Redistributions of source code must retain the above copyright
         notice, this list of conditions, and the following disclaimer.
     
      2. Redistributions in binary form must reproduce the above copyright
         notice, this list of conditions, and the disclaimer that follows
         these conditions in the documentation and/or other materials
         provided with the distribution.
     
      3. The name "JDOM" must not be used to endorse or promote products
         derived from this software without prior written permission.  For
         written permission, please contact <request_AT_jdom_DOT_org>.
     
      4. Products derived from this software may not be called "JDOM", nor
         may "JDOM" appear in their name, without prior written permission
         from the JDOM Project Management <request_AT_jdom_DOT_org>.
     
      In addition, we request (but do not require) that you include in the
      end-user documentation provided with the redistribution and/or in the
      software itself an acknowledgement equivalent to the following:
          "This product includes software developed by the
           JDOM Project (http://www.jdom.org/)."
      Alternatively, the acknowledgment may be graphical using the logos
      available at http://www.jdom.org/images/logos.
     
      THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 JDOM AUTHORS OR THE PROJECT
      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.
     
      This software consists of voluntary contributions made by many
      individuals on behalf of the JDOM Project and was originally
      created by Jason Hunter <jhunter_AT_jdom_DOT_org> and
      Brett McLaughlin <brett_AT_jdom_DOT_org>.  For more information
      on the JDOM Project, please see <http://www.jdom.org/>.
     
      */
     
     
     
     import java.io.File;
     import java.io.IOException;
     import java.io.PrintStream;
     import java.util.List;
     
     import org.jdom2.Document;
     import org.jdom2.Element;
     import org.jdom2.JDOMException;
     import org.jdom2.input.SAXBuilder;
     
     /**
      * <p><code>WarReader</code> demonstrates how to
      *   read a Servlet 2.2 Web Archive file with JDOM.
      * </p>
      * 
      * @author Brett McLaughlin, Jason Hunter
      * @version 1.0
      */
     @SuppressWarnings("javadoc")
     public class WarReader {
     
     	public static void main(String[] args) throws IOException, JDOMException {
     		if (args.length != 1) {
     			System.err.println("Usage: java WarReader [web.xml]");
     			return;
     		}
     		String filename = args[0];
     		PrintStream out = System.out;
     
     		SAXBuilder builder = new SAXBuilder();
     		Document doc = builder.build(new File(filename));
     
     		// Get the root element
     		Element root = doc.getRootElement();
     
     		// Print servlet information
     		List<Element> servlets = root.getChildren("servlet");
     		out.println("This WAR has "+ servlets.size() +" registered servlets:");
     		for (Element servlet : servlets) {
     			out.print("\t" + servlet.getChild("servlet-name")
     					.getTextTrim() +
     					" for " + servlet.getChild("servlet-class")
     					.getTextTrim());
     			List<Element> initParams = servlet.getChildren("init-param");
     			out.println(" (it has " + initParams.size() + " init params)");
     		}
     
     		// Print security role information
     		List<Element> securityRoles = root.getChildren("security-role");
     		if (securityRoles.size() == 0) {
     			out.println("This WAR contains no roles");
     		} else {
     			Element securityRole = securityRoles.get(0);
     			List<Element> roleNames = securityRole.getChildren("role-name");
     			out.println("This WAR contains " + roleNames.size() + " roles:");
     			for (Element e : roleNames) {
     				out.println("\t" + e.getTextTrim());
     			}
     		}
     
     		// Print distributed information (notice this is out of order)
     		if (root.getChildren("distributed").isEmpty()) {
     			out.println("This WAR is not distributed");
     		} else {
     			out.println("This WAR is distributed");
     		}        
     	}
     }