哈工大cerp系统代码

				/*
				 * $Id: XMLParser.java,v 1.1.1.1 2002/02/02 05:20:16 Administrator Exp $
				 * Copyright 2001 Sun Microsystems, Inc. All rights reserved.
				 * Copyright 2001 Sun Microsystems, Inc. Tous droits r閟erv閟.
				 */
				
				package com.huiton.cerp.pub.util;
				
				import org.xml.sax.InputSource;
				import org.w3c.dom.Element;
				import org.w3c.dom.Document;
				import org.w3c.dom.NodeList;
				import org.w3c.dom.Node;
				
				import org.xml.sax.SAXException;
				import org.xml.sax.SAXParseException;
				import org.xml.sax.SAXException;
				
				// jaxp 1.0.1 imports
				import javax.xml.parsers.DocumentBuilderFactory;
				import javax.xml.parsers.DocumentBuilder;
				
				import java.net.URL;
				import java.util.ArrayList;
				import java.util.HashMap;
				import com.huiton.mainframe.util.tracer.Debug;
				
				public class XMLParser {
				    // constants
				    protected static Element loadDocument(String location) {
				        Document doc = null;
				        try {
				            URL url = new URL(location);
				            InputSource xmlInp = new InputSource(url.openStream());
				
				            DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory.newInstance();
				            DocumentBuilder parser = docBuilderFactory.newDocumentBuilder();
				            doc = parser.parse(xmlInp);
				            Element root = doc.getDocumentElement();
				            //root.normalize();
				            return root;
				        } catch (SAXParseException err) {
				            Debug.println ("XMLParser ** Parsing error" + ", line " +
				                        err.getLineNumber () + ", uri " + err.getSystemId ());
				            Debug.println("XMLParser error: " + err.getMessage ());
				        } catch (SAXException e) {
				            Debug.println("XMLParser error: " + e);
				        } catch (java.net.MalformedURLException mfx) {
				            Debug.println("XMLParser error: " + mfx);
				        } catch (java.io.IOException e) {
				            Debug.println("XMLParser error: " + e);
				        } catch (Exception pce) {
				            Debug.println("XMLParser error: " + pce);
				        }
				        return null;
				    }
				
				    private static String getSubTagAttribute(Element root, String tagName, String subTagName, String attribute) {
				        String returnString = "";
				        NodeList list = root.getElementsByTagName(tagName);
				        for (int loop = 0; loop < list.getLength(); loop++) {
				            Node node = list.item(loop);
				            if (node != null) {
				                NodeList  children = node.getChildNodes();
				                for (int innerLoop =0; innerLoop < children.getLength(); innerLoop++) {
				                    Node  child = children.item(innerLoop);
				                    if ((child != null) && (child.getNodeName() != null) && child.getNodeName().equals(subTagName) ) {
				                        if (child instanceof Element) {
				                            return ((Element)child).getAttribute(attribute);
				                        }
				                    }
				                } // end inner loop
				            }
				        }
				        return returnString;
				    }
				
				    protected static String getSubTagValue(Node node, String subTagName) {
				        String returnString = "";
				        if (node != null) {
				            NodeList  children = node.getChildNodes();
				            for (int innerLoop =0; innerLoop < children.getLength(); innerLoop++) {
				                Node  child = children.item(innerLoop);
				                if ((child != null) && (child.getNodeName() != null) && child.getNodeName().equals(subTagName) ) {
				                    Node grandChild = child.getFirstChild();
				                    if (grandChild.getNodeValue() != null) return grandChild.getNodeValue();
				                }
				            } // end inner loop
				        }
				        return returnString;
				    }
				
				    protected static String getSubTagValue(Element root, String tagName, String subTagName) {
				        String returnString = "";
				        NodeList list = root.getElementsByTagName(tagName);
				        for (int loop = 0; loop < list.getLength(); loop++) {
				            Node node = list.item(loop);
				            if (node != null) {
				                NodeList  children = node.getChildNodes();
				                for (int innerLoop =0; innerLoop < children.getLength(); innerLoop++) {
				                    Node  child = children.item(innerLoop);
				                    if ((child != null) && (child.getNodeName() != null) && child.getNodeName().equals(subTagName) ) {
				                        Node grandChild = child.getFirstChild();
				                        if (grandChild.getNodeValue() != null) return grandChild.getNodeValue();
				                    }
				                } // end inner loop
				            }
				        }
				        return returnString;
				    }
				
				    protected static String getTagValue(Element root, String tagName) {
				        String returnString = "";
				        System.out.println("-----tagName: " + tagName);
				        NodeList list = root.getElementsByTagName(tagName);
				        for (int loop = 0; loop < list.getLength(); loop++) {
				            Node node = list.item(loop);
				            if (node != null) {
				                Node child = node.getFirstChild();
				                if ((child != null) && child.getNodeValue() != null)  {
				                    System.out.println("-----returnString: " + child.getNodeValue());
				                    return child.getNodeValue();
				                }
				            }
				        }
				
				        return returnString;
				    }
				}