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From rdon...@apache.org
Subject cvs commit: jakarta-commons/jelly/jelly-tags/jaxme/src/java/org/apache/commons/jelly/tags/jaxme UnmarshallTag.java
Date Thu, 25 Mar 2004 22:07:24 GMT
rdonkin     2004/03/25 14:07:24

  Added:       jelly/jelly-tags/jaxme/src/java/org/apache/commons/jelly/tags/jaxme
                        UnmarshallTag.java
  Log:
  Initial import for jaxme tag library.
  
  Revision  Changes    Path
  1.1                  jakarta-commons/jelly/jelly-tags/jaxme/src/java/org/apache/commons/jelly/tags/jaxme/UnmarshallTag.java
  
  Index: UnmarshallTag.java
  ===================================================================
  /**
  * Copyright 2004 The Apache Software Foundation.
  * 
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  * 
  *      http://www.apache.org/licenses/LICENSE-2.0
  * 
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
  package org.apache.commons.jelly.tags.jaxme;
  
  import java.io.File;
  import java.io.IOException;
  
  import javax.xml.bind.UnmarshallerHandler;
  import javax.xml.bind.Unmarshaller;
  import javax.xml.bind.JAXBException;
  import javax.xml.bind.JAXBContext;
  
  import org.apache.commons.jelly.TagSupport;
  import org.apache.commons.jelly.XMLOutput;
  import org.apache.commons.jelly.MissingAttributeException;
  import org.apache.commons.jelly.JellyTagException;
  
  import org.apache.ws.jaxme.generator.Generator;
  import org.apache.ws.jaxme.generator.SchemaReader;
  import org.apache.ws.jaxme.generator.sg.impl.JAXBSchemaReader;
  import org.apache.ws.jaxme.generator.sg.SchemaSG;
  import org.apache.ws.jaxme.generator.impl.GeneratorImpl;
  
  import org.xml.sax.SAXException;
  
  /** 
   * Tag that generates source from schema.
   * Based on JaxMe XJCTask.
   *
   * @author <a href="mailto:joe@ispsoft.de">Jochen Wiedmann</a>
   * @author <a href="mailto:commons-dev at jakarta.apache.org">Jakarta Commons Development
Team</a>
   * @version $Revision: 1.1 $
   */
  public class UnmarshallTag extends TagSupport {
          
      private String packages;
      private String var;
      
      public String getPackages() {
          return packages;
      }
      
      public void setPackages(String packages) {
          this.packages = packages;
      }
      
      public String getVar() {
          return var;
      }
      
      public void setVar(String var) {
          this.var = var;
      }
      
      public void doTag(XMLOutput output) throws MissingAttributeException, JellyTagException
{
          if (packages == null) {
              throw new MissingAttributeException( "packages" );
          }
          if ( var == null ) {
              throw new MissingAttributeException( "var" );
          }
          try {   
  
              JAXBContext jaxbContext = JAXBContext.newInstance(packages);
              Unmarshaller unmarshaller = jaxbContext.createUnmarshaller();
              UnmarshallerHandler handler = unmarshaller.getUnmarshallerHandler();
              
              handler.startDocument();
              
              XMLOutput newOutput = new XMLOutput( handler );
              
              invokeBody(newOutput);
              handler.endDocument();
              
              Object result = handler.getResult();
              context.setVariable( var, result );
              
          } catch (JAXBException ex)  {
              throw new JellyTagException(ex);
          } catch (SAXException ex) {
              throw new JellyTagException(ex);
          }
          
      }
  }
  
  
  

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