dom4jconfigurable.java

一个java工作流引擎

package org.jbpm.delegation;

import org.apache.commons.logging.*;
import org.dom4j.*;
import org.jbpm.*;
import org.jbpm.util.xml.*;

/**
 * is a convenience class for implementing delegation classes
 * that are configured with an xml string.  This class can be
 * used as a super class for delegation classes or as a helper 
 * class (with method {@link #getRootElement(String)}).
 */
public abstract class Dom4jConfigurable implements Configurable {

	public final void configure(String configuration) throws ConfigurationException {
    try {
      configure( Dom4jHelper.getRootElement( configuration ) );
    } catch (DocumentException e) {
      log.error( "coudln't parse xml delegation configuration", e );
      throw new ConfigurationException( "coudln't parse xml delegation configuration", e );
    }
	}
  
  public abstract void configure( Element root ) throws ConfigurationException;
  
  private static Log log = LogFactory.getLog(Dom4jConfigurable.class);
}