java 解析/拆分 xml
阿新 • • 發佈：2019-02-01
/* * To change this template, choose Tools | Templates * and open the template in the editor. */ package jcoapp; import org.dom4j.Document; import org.dom4j.DocumentHelper; import org.dom4j.Element; import org.dom4j.io.XMLWriter; import java.io.*; import java.util.Iterator; import java.util.List; import java.util.logging.Level; import java.util.logging.Logger; import org.dom4j.*; import org.dom4j.io.OutputFormat; import org.dom4j.io.SAXReader; import org.xml.sax.InputSource; /** * * @author luolai */ public class XmlDom4J { LogInfo loginfo = new LogInfo(); public String parseDocument(File inputXml, String node2) { SAXReader saxReader = new SAXReader(); Document document = null; try { document = saxReader.read(inputXml); } catch (DocumentException ex) { Logger.getLogger(XmlDom4J.class.getName()).log(Level.SEVERE, null, ex); } Element rootElm = document.getRootElement(); String docXmlText = document.asXML(); String rootXmlText = rootElm.asXML(); //System.out.println(rootXmlText); System.out.println("root：" + rootElm.getName()); loginfo.appendLog("root：" + rootElm.getName()); List list = rootElm.elements(); Element e2 = (Element) list.get(0); //System.out.println(e2.getName()); Iterator iter = rootElm.elementIterator(e2.getName()); // 獲取根節點下的子節點 // 遍歷head節點 String title = ""; while (iter.hasNext()) { Element recordEle = (Element) iter.next(); title = recordEle.elementTextTrim(node2) == null ? "" : recordEle.elementTextTrim(node2); // 拿到子節點的值 System.out.println(node2 + ":" + title); loginfo.appendLog(node2 + ":" + title); return title; } //System.out.print(getXmlElmentValue(rootXmlText)); return ""; } public String parseDocument(String inputXmlString, String node2) { // 建立一個新的字串 StringReader read = new StringReader(inputXmlString); // 建立新的輸入源SAX解析器將使用InputSource 物件來確定如何讀取 XML 輸入 InputSource source = new InputSource(read); SAXReader saxReader = new SAXReader(); Document document = null; try { document = saxReader.read(source); } catch (DocumentException ex) { Logger.getLogger(XmlDom4J.class.getName()).log(Level.SEVERE, null, ex); } Element rootElm = document.getRootElement(); String docXmlText = document.asXML(); String rootXmlText = rootElm.asXML(); //System.out.println(rootXmlText); System.out.println("root：" + rootElm.getName()); loginfo.appendLog("root：" + rootElm.getName()); List list = rootElm.elements(); Element e2 = (Element) list.get(0); System.out.println(e2.getName()); Iterator iter = rootElm.elementIterator(e2.getName()); // 獲取根節點下的子節點 // 遍歷head節點 String title = ""; while (iter.hasNext()) { Element recordEle = (Element) iter.next(); title = recordEle.elementTextTrim(node2) == null ? "" : recordEle.elementTextTrim(node2); // 拿到子節點的值 if (!title.equals("")) { System.out.println(node2 + ":" + title); loginfo.appendLog(node2 + ":" + title); return title; } } //System.out.print(getXmlElmentValue(rootXmlText)); return ""; } public String parseDocument(String inputXmlString, String node1,String node2) { // 建立一個新的字串 StringReader read = new StringReader(inputXmlString); // 建立新的輸入源SAX解析器將使用InputSource 物件來確定如何讀取 XML 輸入 InputSource source = new InputSource(read); SAXReader saxReader = new SAXReader(); Document document = null; try { document = saxReader.read(source); } catch (DocumentException ex) { Logger.getLogger(XmlDom4J.class.getName()).log(Level.SEVERE, null, ex); } Element rootElm = document.getRootElement(); String docXmlText = document.asXML(); String rootXmlText = rootElm.asXML(); //System.out.println(rootXmlText); System.out.println("root：" + rootElm.getName()); loginfo.appendLog("root：" + rootElm.getName()); List list = rootElm.elements(); Element e2 = (Element) list.get(0); if (!node1.equalsIgnoreCase(e2.getName())){ return ""; } System.out.println(e2.getName()); Iterator iter = rootElm.elementIterator(e2.getName()); // 獲取根節點下的子節點 // 遍歷head節點 String title = ""; while (iter.hasNext()) { Element recordEle = (Element) iter.next(); title = recordEle.elementTextTrim(node2) == null ? "" : recordEle.elementTextTrim(node2); // 拿到子節點的值 if (!title.equals("")) { System.out.println(node2 + ":" + title); loginfo.appendLog(node2 + ":" + title); return title; } } //System.out.print(getXmlElmentValue(rootXmlText)); return ""; } public static String getXmlElmentValue(String xml) { StringBuffer str = new StringBuffer(); try { org.dom4j.Document doc = DocumentHelper.parseText(xml); org.dom4j.Element el = doc.getRootElement(); return recGetXmlElementValue(el, str).toString(); } catch (DocumentException e) { e.printStackTrace(); return null; } } private static StringBuffer recGetXmlElementValue(org.dom4j.Element ele, StringBuffer valueBuff) { List eleList = ele.elements(); if (eleList.size() == 0) { valueBuff.append(ele.getName() + ":" + ele.getText().replaceAll("[\n-\r]", "") + "\r"); return valueBuff; } else { valueBuff.append("<<[" + ele.getName() + "]>>" + "\r"); for (Iterator<org.dom4j.Element> iter = eleList.iterator(); iter.hasNext();) { org.dom4j.Element innerEle = iter.next(); recGetXmlElementValue(innerEle, valueBuff); } return valueBuff; } } public void generateDocument() { Document document = DocumentHelper.createDocument(); Element catalogElement = document.addElement("catalog"); catalogElement.addComment("An XML Catalog"); catalogElement.addProcessingInstruction("target", "text"); Element journalElement = catalogElement.addElement("journal"); journalElement.addAttribute("title", "XML Zone"); journalElement.addAttribute("publisher", "IBM developerWorks"); Element articleElement = journalElement.addElement("article"); articleElement.addAttribute("level", "Intermediate"); articleElement.addAttribute("date", "December-2001"); Element titleElement = articleElement.addElement("title"); titleElement.setText("Java configuration with XML Schema"); Element authorElement = articleElement.addElement("author"); Element firstNameElement = authorElement.addElement("firstname"); firstNameElement.setText("Marcello"); Element lastNameElement = authorElement.addElement("lastname"); lastNameElement.setText("Vitaletti"); //document.addDocType("catalog", null, "file://d:/Dtds/catalog.dtd"); try { XMLWriter output = new XMLWriter( new FileWriter(new File("d:/catalog.xml"))); output.write(document); output.close(); } catch (IOException e) { System.out.println(e.getMessage()); } } public void modifyDocument(File inputXml) { try { SAXReader saxReader = new SAXReader(); Document document = saxReader.read(inputXml); List list = document.selectNodes("//article/@level"); Iterator iter = list.iterator(); while (iter.hasNext()) { Attribute attribute = (Attribute) iter.next(); if (attribute.getValue().equals("Intermediate")) { attribute.setValue("Introductory"); } } list = document.selectNodes("//article/@date"); iter = list.iterator(); while (iter.hasNext()) { Attribute attribute = (Attribute) iter.next(); if (attribute.getValue().equals("December-2001")) { attribute.setValue("October-2002"); } } list = document.selectNodes("//article"); iter = list.iterator(); while (iter.hasNext()) { Element element = (Element) iter.next(); Iterator iterator = element.elementIterator("title"); while (iterator.hasNext()) { Element titleElement = (Element) iterator.next(); if (titleElement.getText().equals( "Java configuration with XMLSchema")) { titleElement.setText("Create flexible and extensible XML schema"); } } } list = document.selectNodes("//article/author"); iter = list.iterator(); while (iter.hasNext()) { Element element = (Element) iter.next(); Iterator iterator = element.elementIterator("firstname"); while (iterator.hasNext()) { Element firstNameElement = (Element) iterator.next(); if (firstNameElement.getText().equals("Marcello")) { firstNameElement.setText("Ayesha"); } } } list = document.selectNodes("//article/author"); iter = list.iterator(); while (iter.hasNext()) { Element element = (Element) iter.next(); Iterator iterator = element.elementIterator("lastname"); while (iterator.hasNext()) { Element lastNameElement = (Element) iterator.next(); if (lastNameElement.getText().equals("Vitaletti")) { lastNameElement.setText("Malik"); } } } XMLWriter output = new XMLWriter( new FileWriter(new File("c:/catalog/catalog-modified.xml"))); output.write(document); output.close(); } catch (DocumentException e) { System.out.println(e.getMessage()); } catch (IOException e) { System.out.println(e.getMessage()); } } public boolean splitXML(String fileName) { File inputXml = new File(fileName); SAXReader saxReader = new SAXReader(); Document document = null; try { document = saxReader.read(inputXml); } catch (DocumentException ex) { Logger.getLogger(XmlDom4J.class.getName()).log(Level.SEVERE, null, ex); } Element rootElm = document.getRootElement(); String docXmlText = document.asXML(); String rootXmlText = rootElm.asXML(); //System.out.println(rootXmlText); System.out.println("root：" + rootElm.getName()); List list = rootElm.elements(); Element e2 = (Element) list.get(0); list = e2.elements(); System.out.println("root node number:" + list.size()); for (int i = 0; i < list.size(); i++) { Element e3 = (Element) list.get(i); System.out.println(e3.getName()); //拆分XML檔案 Document exportDoc = DocumentHelper.createDocument(); Element exportElement = exportDoc.addElement(rootElm.getName()); Element exportElement2 = exportElement.addElement(e2.getName()); Element exportElement3 = exportElement2.addElement(e3.getName()); Iterator iter = e3.elementIterator(); // 獲取根節點下的子節點 // 遍歷head節點 String title = ""; while (iter.hasNext()) { Element recordEle = (Element) iter.next(); Element exportElement4 = exportElement3.addElement(recordEle.getName()); //exportElement4.addCDATA(recordEle.getText()); exportElement4.setText(recordEle.getText().equals("") ? "" : recordEle.getText()); try { OutputFormat outFmt = OutputFormat.createPrettyPrint(); outFmt.setEncoding("UTF-8"); outFmt.setIndent(" "); XMLWriter output = new XMLWriter( new FileWriter(new File(fileName.substring(0, fileName.indexOf(".")) + "_" + String.valueOf(i + 1) + fileName.substring(fileName.indexOf("."), fileName.length()))), outFmt); output.write(exportDoc); output.close(); } catch (IOException e) { System.out.println(e.getMessage()); return false; } //System.out.println(recordEle.getName()); //System.out.println(recordEle.getText()); } //System.out.print(getXmlElmentValue(rootXmlText)); } return true; } private void nodeByNodes(Element node) { if (node.element(node.getName()) != null) { String id = node.attributeValue("id"); String name = node.attributeValue("name"); System.out.print(id + "-------"); System.out.println(name); for (Iterator i = node.elementIterator("node"); i.hasNext();) { Element newNode = (Element) i.next(); nodeByNodes(newNode); } } else { String id = node.attributeValue("id"); String name = node.attributeValue("name"); System.out.print(id + "-------"); System.out.println(name); } } public static void main(String[] argv) { XmlDom4J dom4j = new XmlDom4J(); dom4j.parseDocument("<?xml version=\"1.0\" encoding=\"utf-8\"?><STOREMASTERBRIDGE><STOREMASTER><WHSE>NT1</WHSE><STORE_NBR>0022410038</STORE_NBR><STOREDETAIL><NAME>聯盛</NAME><ADDR_LINE_1>N/A</ADDR_LINE_1><ADDR_LINE_2>N/A</ADDR_LINE_2><ADDR_LINE_3>N/A</ADDR_LINE_3><CITY>N/A</CITY><ZIP>N/A</ZIP><CNTRY>CN</CNTRY></STOREDETAIL><STOREFIELDS><CONTACT>N/A</CONTACT><EMAIL>聯盛_物流專用</EMAIL><DFLT_CO>2100</DFLT_CO><DFLT_DIV>001</DFLT_DIV><STAT_CODE>0</STAT_CODE><GRP>SAP</GRP><RTE_ATTR>聯盛_物流專用</RTE_ATTR><RTE_TO>0022410038</RTE_TO></STOREFIELDS></STOREMASTER><STOREMASTER><WHSE>NT1</WHSE><STORE_NBR>0022410039</STORE_NBR><STOREDETAIL><NAME>恆興聯運</NAME><ADDR_LINE_1>N/A</ADDR_LINE_1><ADDR_LINE_2>N/A</ADDR_LINE_2><ADDR_LINE_3>N/A</ADDR_LINE_3><CITY>N/A</CITY><ZIP>N/A</ZIP><CNTRY>CN</CNTRY></STOREDETAIL><STOREFIELDS><CONTACT>N/A</CONTACT><EMAIL>恆興聯運_物流專用</EMAIL><DFLT_CO>2100</DFLT_CO><DFLT_DIV>001</DFLT_DIV><STAT_CODE>0</STAT_CODE><GRP>SAP</GRP><RTE_ATTR>恆興聯運_物流專用</RTE_ATTR><RTE_TO>0022410039</RTE_TO></STOREFIELDS></STOREMASTER></STOREMASTERBRIDGE>", "NAME1"); System.exit(0); SAXReader saxReader = new SAXReader(); Document document = null; try { document = saxReader.read(new File("d:/INV000042.xml")); } catch (DocumentException ex) { Logger.getLogger(XmlDom4J.class.getName()).log(Level.SEVERE, null, ex); } Element rootElm = document.getRootElement(); dom4j.nodeByNodes(rootElm); //dom4j.generateDocument(); //dom4j.splitXML("d:/INV000042.xml"); //dom4j.parseDocument(new File("d:/INV000042.xml"), "outpt_pkt_hdr"); } }