workspacesaxhandler.java

为了下东西 随便发了个 datamining 的源代码

package eti.bi.alphaminer.core.workspace;

import java.util.Hashtable;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;

public class WorkSpaceSAXHandler extends DefaultHandler {
	public final static String ELEMENT_WORKSPACE = "workspace";
	
	private static Workspace temp_workspace;
	private Hashtable m_AttrMap;
	private boolean iscurrent;
	
	/**
	 * @see org.xml.sax.ContentHandler#startElement(String, String, String, Attributes)
	 */
	@SuppressWarnings("unchecked")
	public void startElement(
		String aNamespaceURI,
		String aSimpleName,
		String aQualifiedName,
		Attributes aAttrs)
		throws SAXException 
	{
		String aElementName = aSimpleName; // element name
		m_AttrMap = new Hashtable();

		if ("".equals(aElementName)) {
			aElementName = aQualifiedName; // not namespaceAware
		}

		if (aAttrs != null) {
			for (int i = 0; i < aAttrs.getLength(); i++) {
				String aAttrName = aAttrs.getLocalName(i); // Attr name
				if ("".equals(aAttrName))
					aAttrName = aAttrs.getQName(i);
				
				if(aAttrName.equals("current")){
					iscurrent = true;
				}
				else{
					m_AttrMap.put(aAttrName, aAttrs.getValue(i));
				}

			}
		}
		
		if(aElementName.equals(ELEMENT_WORKSPACE)){
			temp_workspace = new Workspace((String)m_AttrMap.get("name"),(String)m_AttrMap.get("path"),(String)m_AttrMap.get("description"));
		}
		
		
	}
	
	/**
	 * @see org.xml.sax.ContentHandler#endElement(String, String, String)
	 */
	public void endElement(
			String aNamespaceURI,
			String aSimpleName,
			String aQualifiedName)
			throws SAXException 
	{
		String aElementName = aSimpleName; // element name
		if ("".equals(aElementName))
		{
			aElementName = aQualifiedName; // not namespaceAware
		}
		
		if(aElementName.equals(ELEMENT_WORKSPACE)){
			if(iscurrent){
				WorkspacesLoader.AddWorkSpaceCurrent(temp_workspace);
				iscurrent = false;
			}
			else{
				WorkspacesLoader.AddWorkSpace(temp_workspace);
			}
		}
	}
	
}