cvs commit: cocoon-lenya/src/java/org/apache/lenya/cms/cocoon/acting ValidateAction.java

[ed...@apache.org]

edith       2004/01/07 11:31:36

  Added:       src/java/org/apache/lenya/cms/cocoon/acting
                        ValidateAction.java
  Log:
  action to validate a document
  
  Revision  Changes    Path
  1.1                  cocoon-lenya/src/java/org/apache/lenya/cms/cocoon/acting/ValidateAction.java
  
  Index: ValidateAction.java
  ===================================================================
  /*
   * <License>
   * The Apache Software License
   *
   * Copyright (c) 2002 lenya. 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. All advertising materials mentioning features or use of this software must
   *    display the following acknowledgment: "This product includes software developed
   *    by lenya (http://www.lenya.org)"
   *
   * 4. The name "lenya" must not be used to endorse or promote products derived from
   *    this software without prior written permission. For written permission, please
   *    contact contact@lenya.org
   *
   * 5. Products derived from this software may not be called "lenya" nor may "lenya"
   *    appear in their names without prior written permission of lenya.
   *
   * 6. Redistributions of any form whatsoever must retain the following acknowledgment:
   *    "This product includes software developed by lenya (http://www.lenya.org)"
   *
   * THIS SOFTWARE IS PROVIDED BY lenya "AS IS" WITHOUT ANY WARRANTY EXPRESS OR IMPLIED,
   * INCLUDING THE WARRANTY OF NON-INFRINGEMENT AND THE IMPLIED WARRANTIES OF MERCHANTI-
   * BILITY AND FITNESS FOR A PARTICULAR PURPOSE. lenya WILL NOT BE LIABLE FOR ANY DAMAGES
   * SUFFERED BY YOU AS A RESULT OF USING THIS SOFTWARE. IN NO EVENT WILL lenya BE LIABLE
   * FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR LOST PROFITS EVEN IF lenya HAS
   * BEEN ADVISED OF THE POSSIBILITY OF THEIR OCCURRENCE. lenya WILL NOT BE LIABLE FOR ANY
   * THIRD PARTY CLAIMS AGAINST YOU.
   *
   * Lenya includes software developed by the Apache Software Foundation, W3C,
   * DOM4J Project, BitfluxEditor and Xopus.
   * </License>
   */
  package org.apache.lenya.cms.cocoon.acting;
  
  import java.io.File;
  import java.net.URL;
  import java.util.Map;
  import java.util.HashMap;
  import java.io.FileWriter;
  
  import org.apache.avalon.framework.parameters.Parameters;
  import org.apache.cocoon.acting.AbstractConfigurableAction;
  import org.apache.cocoon.environment.ObjectModelHelper;
  import org.apache.cocoon.environment.Redirector;
  import org.apache.cocoon.environment.Request;
  import org.apache.cocoon.environment.SourceResolver;
  import org.apache.lenya.xml.RelaxNG;
  
  /**
   * Action to validate an xml document
   * 
   * @author Edith Chevrier
   * @version 2004.1.07
   */
  public class ValidateAction extends AbstractConfigurableAction {
  
  	/** (non-Javadoc)
  	 * @see org.apache.cocoon.acting.Action#act(org.apache.cocoon.environment.Redirector, org.apache.cocoon.environment.SourceResolver, java.util.Map, java.lang.String, org.apache.avalon.framework.parameters.Parameters)
  	 **/
  	public Map act(
  		Redirector redirector,
  		SourceResolver resolver,
  		Map objectModel,
  		String source,
  		Parameters parameters)
  		throws Exception {
  		File sitemap =
  			new File(new URL(resolver.resolveURI("").getURI()).getFile());
  		File file =
  			new File(
  				sitemap.getAbsolutePath()
  					+ File.separator
  					+ parameters.getParameter("file"));
  		File schema =
  			new File(
  				sitemap.getAbsolutePath()
  					+ File.separator
  					+ parameters.getParameter("schema"));
  
              getLogger().debug("file: " + file.getAbsolutePath());
              getLogger().debug("schema: " + schema.getAbsolutePath());
  		Request request = ObjectModelHelper.getRequest(objectModel);
  
  		if (request.getParameter("cancel") != null) {
  			getLogger().warn(".act(): Editing has been canceled");
  			return null;
  		}
  		if (schema.isFile()) {
              if (!file.getParentFile().isDirectory()){
                  file.getParentFile().mkdir();
              }
              file.createNewFile();
              String content = request.getParameter("content");
              FileWriter fileWriter = new FileWriter(file);
              fileWriter.write(content);
              fileWriter.close();
          	String message = validateDocument(schema, file);
  			if (message != null) {
  				getLogger().error("RELAX NG Validation failed: " + message);
  				HashMap hmap = new HashMap();
  				hmap.put("message", "RELAX NG Validation failed: " + message);
  				return hmap;
  			}
          } else {
  			getLogger().warn("No such schema: " + schema.getAbsolutePath());
  		}
  	    return null;
      }
  
  	/**
  	 * Validate document
  	 */
  	private String validateDocument(
  		File schema,
  		File file) {
              
          try {
              File valFile = new File(file.getAbsolutePath() + ".validate");
              if (!valFile.getParentFile().isDirectory()){
                  valFile.getParentFile().mkdir();
              }
              valFile.createNewFile();
  			return RelaxNG.validate(
  				schema,
  				new File(file.getAbsolutePath() + ".validate"));
  		} catch (Exception e) {
  			getLogger().error(e.getMessage());
  			return "" + e;
  		}
          }
  }
  
  

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