xml分析类.rar_XML 文件_dom tool_site:www.pudn.com_xml

/* * Created by IntelliJ IDEA. * User: administrator * Date: 2002-10-15 * Time: 8:40:42 * To change template for new class use * Code Style | Class Templates options (Tools | IDE Options). */ package com.gxl.test; import org.apache.xpath.XPathAPI; import org.w3c.dom.Document; import org.w3c.dom.Element; import org.w3c.dom.Node; import org.w3c.dom.NodeList; import org.xml.sax.InputSource; import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.parsers.ParserConfigurationException; import javax.xml.transform.*; import javax.xml.transform.stream.StreamResult; import javax.xml.transform.dom.DOMResult; import javax.xml.transform.dom.DOMSource; import java.io.*; import java.text.SimpleDateFormat; import java.util.Date; import java.util.Vector; import java.util.Properties; public class xmlUtil implements java.io.Serializable { public xmlUtil() { } public static String GetParentAttribute(Node pNode, String attrName) { try { NodeList list = XPathAPI.selectNodeList(pNode, "//maininfo/*"); return ((Element) (list.item(0))).getAttribute(attrName); } catch (Exception e) { return null; } } public static String GetNodeAttribute(String Attrname, String nodeSelect, Document selectDoc) { try { NodeList list = XPathAPI.selectNodeList(selectDoc, nodeSelect); return ((Element) (list.item(0))).getAttribute(Attrname); } catch (Exception e) { return null; } } public static void SetNodeAttribute(String Attrname, String Attrvalue, String nodeSelect, Document selectDoc) { try { NodeList list = XPathAPI.selectNodeList(selectDoc, nodeSelect); ((Element) (list.item(0))).setAttribute(Attrname, Attrvalue); } catch (Exception e) { e.printStackTrace(); } } public static void SetNodeAttribute(String Attrname, String Attrvalue, Node nodeSelect) { try { ((Element) (nodeSelect)).setAttribute(Attrname, Attrvalue); } catch (Exception e) { e.printStackTrace(); } } public static Node AddNode(Document StrDoc, Node selNode, String NodeName) { Node sonNode = StrDoc.createElement(NodeName); sonNode.appendChild(StrDoc.createTextNode("")); selNode.appendChild(sonNode); return sonNode; } public static boolean CreateChildNode(Node selNode, Document StrDoc, String infoNum) { try { for (int i = 1; i < Integer.parseInt(infoNum); i++) { String Num = (i + 1) + ""; String nodeattr = "info[@id='" + Num + "']"; Node bNode = XPathAPI.selectSingleNode(selNode, nodeattr); if (bNode == null) { Node sonNode = StrDoc.createElement("info"); ((Element) sonNode).setAttribute("id", Num); sonNode.appendChild(StrDoc.createTextNode("")); selNode.appendChild(sonNode); } } } catch (Exception ex) { ex.printStackTrace(); } return true; } public static Node selectNode(String NodeAttribute, Document strDoc) { try { //doc = strDoc;//xmlUtil.getDocument(strDoc); Node sonNode = XPathAPI.selectSingleNode(strDoc, NodeAttribute); return sonNode; } catch (Exception ex) { ex.printStackTrace(); return null; } } public static DocumentBuilder getBuilder() throws ParserConfigurationException { DocumentBuilderFactory dFactory = DocumentBuilderFactory.newInstance(); dFactory.setNamespaceAware(true); DocumentBuilder builder = dFactory.newDocumentBuilder(); return builder; } //get a document from given file public static Document getDocument(String path) throws Exception { //BufferedReader fileIn=new BufferedReader(new FileReader(path)); File f = new File(path); DocumentBuilder builder = getBuilder(); Document doc = builder.parse(f); return doc; } //get a document from InputStream public static Document getDocument(InputStream in) throws Exception { DocumentBuilder builder = getBuilder(); Document doc = builder.parse(in); return doc; } //create a empty document public static Document getNewDoc() throws Exception { DocumentBuilder builder = getBuilder(); Document doc = builder.newDocument(); return doc; } //create a document from given string public static Document getNewDoc(String xmlStr) { Document doc = null; try { StringReader sr = new StringReader(xmlStr); InputSource iSrc = new InputSource(sr); DocumentBuilder builder = getBuilder(); doc = builder.parse(iSrc); } catch (Exception ex) { ex.printStackTrace(); } return doc; } //save a document as a file at the given file path public static void save(Document doc, String filePath) { try { if ((doc != null) && (filePath != null) && (filePath.length() > 0)) { String STRXML = toString(doc); //Spit out DOM as a String String path = filePath; writeXml(STRXML, path); } } catch (Exception e) { e.printStackTrace(); } } //save a string(xml) in the given file path public static void writeXml(String STRXML, String path) { try { File f = new File(path); PrintWriter out = new PrintWriter(new FileWriter(f)); out.print(STRXML + "\n"); out.close(); } catch (IOException e) { e.printStackTrace(); } } //format a document to string /*public static String toString(Document doc) { String STRXML = null; try { OutputFormat format = new OutputFormat(doc); //Serialize DOM// format.setEncoding("GB2312"); StringWriter stringOut = new StringWriter(); //Writer will be a String XMLSerializer serial = new XMLSerializer(stringOut, format); serial.asDOMSerializer(); // As a DOM Serializer serial.serialize(doc.getDocumentElement()); STRXML = stringOut.toString(); //Spit out DOM as a String } catch (Exception e) { e.printStackTrace(); } return STRXML; } //format a node to string public static String toString(Node node, Document doc) { String STRXML = null; try { OutputFormat format = new OutputFormat(doc); //Serialize DOM //OutputFormat format1 = new OutputFormat(); //Serialize DOM format.setEncoding("GB2312"); StringWriter stringOut = new StringWriter(); //Writer will be a String XMLSerializer serial = new XMLSerializer(stringOut, format); //XMLSerializer serial1 = new XMLSerializer(); serial.asDOMSerializer(); // As a DOM Serializer serial.serialize((Element) node); STRXML = stringOut.toString(); //Spit out DOM as a String int a = STRXML.indexOf("?>") + 3; STRXML = STRXML.substring(a); } catch (Exception e) { e.printStackTrace(); } return STRXML; } */ public static String toString(Document document){ StringWriter buffer = new StringWriter(); try { TransformerFactory factory = TransformerFactory.newInstance();