cvs commit: jakarta-commons/betwixt/src/java/org/apache/commons/betwixt/digester ClassRule.java

[rd...@apache.org]

rdonkin     2004/08/27 14:14:20

  Added:       betwixt/src/java/org/apache/commons/betwixt/digester
                        ClassRule.java
  Log:
  Multi mapping document support. Contributed by Brian Pugh.
  
  Revision  Changes    Path
  1.1                  jakarta-commons/betwixt/src/java/org/apache/commons/betwixt/digester/ClassRule.java
  
  Index: ClassRule.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.betwixt.digester;
  
  import java.util.Map;
  
  import org.apache.commons.betwixt.XMLBeanInfo;
  import org.apache.commons.logging.Log;
  import org.apache.commons.logging.LogFactory;
  import org.xml.sax.Attributes;
  import org.xml.sax.SAXException;
  
  /**
   * Digester Rule to process class elements.
   * @author Brian Pugh
   */
  public class ClassRule extends RuleSupport {
      /** Logger. */
      private static final Log log = LogFactory.getLog(ClassRule.class);
  
      /** Base constructor. */
      public ClassRule() {
      }
      
      // Rule interface
      //-------------------------------------------------------------------------
      /**
       * Process the beginning of this element.
       *
       * @param attributes The attribute list of this element
       * @throws org.xml.sax.SAXException if the primitiveTypes attribute contains an invalid value
       */
      public void begin(Attributes attributes) throws SAXException {
          String className = attributes.getValue("name");
          if (className == null || "".equals(className)) {
              throw new SAXException("Invalid 'class' element.  "
                                 + "Attribute 'name' is required but was not found but was not found.");
          }
          
          try {
              
              Class beanClass = Class.forName(className);
              XMLBeanInfo xmlBeanInfo = new XMLBeanInfo(beanClass);
              XMLBeanInfoDigester xmlBeanInfoDigester = (XMLBeanInfoDigester) getDigester();
              xmlBeanInfoDigester.setBeanClass(beanClass);
              xmlBeanInfoDigester.push(xmlBeanInfo);
              
          } catch (ClassNotFoundException e) {
              throw new SAXException("Invalid 'class' element.  Unable to find class: " + className, e);
          }
      }
      
      /**
       * Process the end of this element.
       */
      public void end() {
          XMLBeanInfo xmlBeanInfo = (XMLBeanInfo) getDigester().pop();
          MultiMappingBeanInfoDigester digester = (MultiMappingBeanInfoDigester) getDigester();
          Map xmlBeanInfoMapping = digester.getBeanInfoMap();
          xmlBeanInfoMapping.put(xmlBeanInfo.getBeanClass(), xmlBeanInfo);
          digester.setBeanClass(null);
      }
    }
  
  
  
  

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