cvs commit: jakarta-tomcat-catalina/catalina/src/share/org/apache/catalina/ant ValidatorTask.java

[re...@apache.org]

remm        2003/05/14 10:45:36

  Added:       catalina/src/share/org/apache/catalina/ant
                        ValidatorTask.java
  Log:
  - New validator task, for use with the deployer.
  
  Revision  Changes    Path
  1.1                  jakarta-tomcat-catalina/catalina/src/share/org/apache/catalina/ant/ValidatorTask.java
  
  Index: ValidatorTask.java
  ===================================================================
  /*
   * $Header: /home/cvs/jakarta-tomcat-catalina/catalina/src/share/org/apache/catalina/ant/ValidatorTask.java,v 1.1 2003/05/14 17:45:36 remm Exp $
   * $Revision: 1.1 $
   * $Date: 2003/05/14 17:45:36 $
   *
   * ====================================================================
   *
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 2002 The Apache Software Foundation.  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 following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution, if
   *    any, must include the following acknowlegement:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowlegement may appear in the software itself,
   *    if and wherever such third-party acknowlegements normally appear.
   *
   * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
   *    Foundation" must not be used to endorse or promote products derived
   *    from this software without prior written permission. For written
   *    permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache"
   *    nor may "Apache" appear in their names without prior written
   *    permission of the Apache Group.
   *
   * 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 APACHE SOFTWARE FOUNDATION OR
   * ITS 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 Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   *
   */
  
  
  package org.apache.catalina.ant;
  
  
  import java.io.BufferedInputStream;
  import java.io.File;
  import java.io.FileInputStream;
  import java.io.InputStream;
  import java.net.URL;
  
  import org.apache.tools.ant.BuildException;
  import org.apache.tools.ant.Task;
  
  import org.apache.commons.digester.Digester;
  import org.xml.sax.InputSource;
  
  import org.apache.catalina.startup.Constants;
  import org.apache.catalina.startup.ContextConfig;
  
  
  /**
   * Task for validating a web application deployment descriptor, using XML 
   * schema validation.
   *
   * @author Remy Maucherat
   * @version $Revision: 1.1 $ $Date: 2003/05/14 17:45:36 $
   * @since 5.0
   */
  
  public class ValidatorTask extends Task {
  
  
      // ----------------------------------------------------- Instance Variables
  
  
      // ------------------------------------------------------------- Properties
  
  
      /**
       * The path to the webapp directory.
       */
      protected String path = null;
  
      public String getPath() {
          return (this.path);
      }
  
      public void setPath(String path) {
          this.path = path;
      }
  
  
      // --------------------------------------------------------- Public Methods
  
  
      /**
       * Execute the specified command.  This logic only performs the common
       * attribute validation required by all subclasses; it does not perform
       * any functional logic directly.
       *
       * @exception BuildException if a validation error occurs
       */
      public void execute() throws BuildException {
  
          if (path == null) {
              throw new BuildException("Must specify 'path'");
          }
  
          File file = new File(path, Constants.ApplicationWebXml);
          if ((!file.exists()) || (!file.canRead())) {
              throw new BuildException("Cannot find web.xml");
          }
  
          Digester digester = ContextConfig.createWebXmlDigester(true, true);
          try {
              file = file.getCanonicalFile();
              InputStream stream = 
                  new BufferedInputStream(new FileInputStream(file));
              InputSource is = new InputSource(file.toURL().toExternalForm());
              is.setByteStream(stream);
              digester.parse(is);
          } catch (Throwable t) {
              throw new BuildException("Validation failure", t);
          }
  
      }
  
  
  }
  
  
  

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