DOM4jHelper
来源：互联网 发布：大数据云平台 编辑：程序博客网 时间：2024/06/06 07:52
package com.ccxe.common.util;import java.io.File;import java.io.IOException;import java.io.InputStream;import java.io.StringReader;import java.util.ArrayList;import java.util.HashMap;import java.util.Iterator;import java.util.List;import java.util.Map;import javax.xml.parsers.SAXParser;import javax.xml.parsers.SAXParserFactory;import org.dom4j.Attribute;import org.dom4j.Document;import org.dom4j.DocumentException;import org.dom4j.Element;import org.dom4j.Node;import org.dom4j.XPath;import org.dom4j.io.SAXReader;import org.dom4j.io.SAXValidator;import org.dom4j.io.XPP3Reader;import org.dom4j.util.XMLErrorHandler;/** * 描述:Dom4j解析工具类 * **/public class Dom4jHelper {private Document document = null;private XMLErrorHandler errorHandler = null;private SAXValidator validator = null;private String encoding = "UTF-8";private String xsd = null;private Map<String, String> params = null;public static final String SAX_PARSE_MODEL = "SAX";public static final String XPP3_PARSE_MODEL = "XPP3";public Dom4jHelper(){this.params = new HashMap<String, String>();}public void parseXML(File file){parseXML(file,XPP3_PARSE_MODEL);}public void parseXML(File file,String mode){try {if(mode==null){throw new RuntimeException("xml parse model is null!");}if(mode.equals(SAX_PARSE_MODEL)){SAXReader reader = new SAXReader();//reader.getDocumentFactory().setXPathNamespaceURIs(params);this.document = reader.read(file);}else if(mode.equals(XPP3_PARSE_MODEL)){XPP3Reader reader = new XPP3Reader();this.document = reader.read(file);//reader.getDocumentFactory().setXPathNamespaceURIs(params);}this.document.setXMLEncoding(this.encoding);if(this.xsd!=null){this.validateXMLFormat();}} catch (DocumentException e) {throw new RuntimeException("dom4j load document error:",e);}catch(RuntimeException e){throw e;}catch (Exception e) {throw new RuntimeException("dom4j load document error:",e);}}public void parseXML(String text){parseXML(text,XPP3_PARSE_MODEL);}public void parseXML(String text,String mode){try {if(mode==null){throw new RuntimeException("xml parse model is null!");}if(mode.equals(SAX_PARSE_MODEL)){SAXReader reader = new SAXReader();//reader.getDocumentFactory().setXPathNamespaceURIs(params);this.document = reader.read(new StringReader(text));}else if(mode.equals(XPP3_PARSE_MODEL)){XPP3Reader reader = new XPP3Reader();//reader.getDocumentFactory().setXPathNamespaceURIs(params);this.document = reader.read(new StringReader(text));}this.document.setXMLEncoding(this.encoding);if(this.xsd!=null){this.validateXMLFormat();}} catch (DocumentException e) {throw new RuntimeException("dom4j load document error:",e);}catch(RuntimeException e){throw e;}catch (Exception e) {throw new RuntimeException("dom4j load document error:",e);}}/** * 描述:验证XML格式方法 * **/private void validateXMLFormat(){InputStream is = null;try{if(this.validator==null){this.errorHandler = new XMLErrorHandler(); SAXParserFactory factory = SAXParserFactory.newInstance(); factory.setValidating(true); factory.setNamespaceAware(true); SAXParser parser = factory.newSAXParser(); parser.setProperty( "http://java.sun.com/xml/jaxp/properties/schemaLanguage", "http://www.w3.org/2001/XMLSchema"); is = this.getClass().getClassLoader().getResourceAsStream(xsd); parser.setProperty("http://java.sun.com/xml/jaxp/properties/schemaSource",is); this.validator = new SAXValidator(parser.getXMLReader()); this.validator.setErrorHandler(this.errorHandler); this.validator.validate(this.document); } if (this.errorHandler.getErrors().hasContent()) { throw new RuntimeException("xml validate format error:"+this.errorHandler.getErrors().getStringValue()); } }catch(RuntimeException e){throw e;}catch(Exception e){throw new RuntimeException("xml validate format error:",e);}finally{if(is!=null){try {is.close();} catch (IOException e) {throw new RuntimeException("schema file stream close error:",e);}}}}/** * 描述:查找元素方法 * @paramnodePath:xPath路径 * **/public Node findSingleElement(String nodePath){Node node = this.document.selectSingleNode(nodePath);if(node==null){return null;}else{return node;}}/** * 描述:查找元素的文本值方法 * @paramnodePath:xPath路径 * **/public String findSingleElementText(String nodePath){Node node = this.document.selectSingleNode(nodePath);if(node==null){return null;}else{return node.getText();}}/** * 描述:查找元素的属性值方法 * @paramnodePath:xPath路径 * @paramattributeName:属性名称 * **/public String findElementAttributeText(String nodePath,String attributeName){Node node = document.selectSingleNode(nodePath);if(node==null){return null;}else{return node.valueOf("@"+attributeName);}}/** * 描述:查找元素的属性值方法 * @paramnodePath:xPath路径 * @paramattributeName:属性名称 * **/public String findElementAttributeText(Node node,String attributeName){if(node==null){return null;}else{return node.valueOf("@"+attributeName);}}/** * 描述:查找元素方法 * @paramnodePath:xPath路径 * **/public List<Node> findElement(String nodePath){List<Node> elements = this.document.selectNodes(nodePath);return elements;}/** * 描述:查找元素的文本值方法 * @paramnodePath:xPath路径 * **/public String[] findElementsText(String nodePath){String[] texts = null;List elements = this.document.selectNodes(nodePath);if(elements!=null){int size = elements.size();if(size>0){texts = new String[size];for(int i=0;i<size;i++){texts[i] = ((Element)elements.get(i)).getText();}}}return texts;}/** * 描述:查找元素的文本值方法 * @paramnodePath:xPath路径 * @paramchildNodesPath:xPath子路径 * **/public String[][] findElementsText(String nodePath,String[] childNodesPath){String[][] texts = null;List elements = this.document.selectNodes(nodePath);List childElements = null;if(elements!=null){int size = elements.size();int childSize = 0;if(size>0){texts = new String[size][];for(int i=0;i<childNodesPath.length;i++){childElements = ((Element) elements.get(i)).selectNodes(childNodesPath[i]);if(childElements!=null&&childElements.size()>0){texts[i] = new String[childSize];for(int j=0;j<childSize;j++){texts[i][j] = ((Element) childElements.get(j)).getText();}}}}}return texts;}/** * 描述 :增加节点方法 * @paramnodePath:节点路径 * @paramnodeName:新增节点名称 * @paramtext:文本值 * **/public void addNode(String nodePath,String nodeName,String text){List<Element> elements = this.document.selectNodes(nodePath);Element element = null;if(elements!=null&&elements.size()>0){element = elements.get(0);Element channelElement = element.addElement(nodeName);channelElement.setText(text);}}/** * 描述:设置节点值方法 * @paramnodePath:节点路径 * @paramtext:文本值 * **/public voidsetNodeText(String nodePath,String text){Node node = this.document.selectSingleNode(nodePath);if(node!=null){node.setText(text);}}/** * 描述:增加节点属性方法 * @paramnodePath:节点路径 * @paramattributeName:属性名称 * @paramattributeValue:属性值 * **/public voidsetNodeAttbiute(String nodePath,String attributeName,String attributeValue){List<Element> elements = this.document.selectNodes(nodePath);Element element = null;Attribute attribute = null;if(elements!=null&&elements.size()>0){element = elements.get(0);attribute = element.attribute(attributeName);if(attribute!=null){attribute.setValue(attributeValue);List<Attribute> attributes = new ArrayList<Attribute>();attributes.add(attribute);element.setAttributes(attributes);}}}/** * 描述:XML节点转换为文本方法 * @paramnodePath:xPath路径 * **/public String convertXMLNodeForText(String nodePath){Node node = this.document.selectSingleNode(nodePath);if(node!=null){return node.asXML();}return null;}/** * 描述:查找元素方法 * @paramnodePath:xPath路径 * **/public Node findSingleElementByXPath(String parentPath,String xpath){Node parentNode = this.document.selectSingleNode(parentPath); XPath xpathObj=document.createXPath(xpath); xpathObj.setNamespaceURIs(this.params); Node node = xpathObj.selectSingleNode(parentNode); if(node==null){return null;}else{return node;}}/** * 描述:查找元素的文本值方法(使用XPatch方式) * @paramnodePath:xPath路径 * **/public String findSingleElementTextByXPath(String parentPath,String xpath){Node node = this.findSingleElementByXPath(parentPath,xpath);if(node==null){return null;}else{return node.getText();}}/** * 描述:查找元素的属性值方法(使用XPatch方式) * @paramnodePath:xPath路径 * @paramattributeName:属性名称 * **/public String findElementAttributeTextByXPath(String parentPath,String xpath,String attributeName){Node node = this.findSingleElementByXPath(parentPath,xpath);if(node==null){return null;}else{return node.valueOf("@"+attributeName);}}/** * 描述:查找元素方法(使用XPatch方式) * @paramnodePath:xPath路径 * **/public List<Element> findElementByXPath(String parentPatch,String xpatch){Node parentNode = this.document.selectSingleNode(parentPatch); XPath xpath=document.createXPath(xpatch); xpath.setNamespaceURIs(this.params); List<Element> elements = xpath.selectNodes(parentNode); return elements;}/** * 描述:查找元素的文本值方法(使用XPatch方式) * @paramnodePath:xPath路径 * **/public String[] findElementsTextByXPath(String parentPath,String xpath){String[] texts = null; List elements = this.findElementByXPath(parentPath, xpath); if(elements!=null){int size = elements.size();if(size>0){texts = new String[size];for(int i=0;i<size;i++){texts[i] = ((Element)elements.get(i)).getText();}}}return texts;}/** * 描述 :增加节点方法 * @paramnodePath:节点路径 * @paramnodeName:新增节点名称 * @paramtext:文本值 * **/public void addNodeByXPath(String parentPath,String xpath,String newNodeName,String text){Node parentNode = this.document.selectSingleNode(parentPath); XPath xpathObj=document.createXPath(xpath); xpathObj.setNamespaceURIs(this.params); List<Element> elements = xpathObj.selectNodes(parentNode); Element element = null;if(elements!=null&&elements.size()>0){element = elements.get(0);Element channelElement = element.addElement(newNodeName);channelElement.setText(text);}}/** * 描述 :增加节点方法 * @paramnodePath:节点路径 * @paramnodeName:新增节点名称 * @paramattributes:属性集合 * @paramtext:文本值 * **/public void addNodeByXPath(String parentPath,String xpath,String newNodeName,Map<String,String> attributes,String text){Node parentNode = this.document.selectSingleNode(parentPath); XPath xpathObj=document.createXPath(xpath); xpathObj.setNamespaceURIs(this.params); List<Element> elements = xpathObj.selectNodes(parentNode); Element element = null;Iterator<?> iterator = attributes.keySet().iterator();String key = null;if(elements!=null&&elements.size()>0){element = elements.get(0);Element channelElement = element.addElement(newNodeName);channelElement.setText(text);while(iterator.hasNext()){key = (String)iterator.next();channelElement.addAttribute(key, attributes.get(key));}}}/** * 描述:设置节点值方法 * @paramnodePath:节点路径 * @paramtext:文本值 * **/public voidsetNodeTextByXPath(String parentPath,String xpath,String text){Node node = this.findSingleElementByXPath(parentPath, xpath);if(node!=null){node.setText(text);}}/** * 描述 :删除节点方法 * @paramnodePath:节点路径 * @paramnodeName:新增节点名称 * @paramtext:文本值 * **/public void removeNodeByXPath(String parentPath,String xpath){Node parentNode = this.document.selectSingleNode(parentPath); XPath xpathObj=document.createXPath(xpath); xpathObj.setNamespaceURIs(this.params); Node node = xpathObj.selectSingleNode(parentNode); if(node!=null){ node.detach(); }}/** * 描述:增加节点属性方法 * @paramnodePath:节点路径 * @paramattributeName:属性名称 * @paramattributeValue:属性值 * **/public voidsetNodeAttbiuteByXPath(String parentPath,String xpath,String attributeName,String attributeValue){Node parentNode = this.document.selectSingleNode(parentPath); XPath xpathObj=document.createXPath(xpath); xpathObj.setNamespaceURIs(this.params); List<Element> elements = xpathObj.selectNodes(parentNode); Element element = null;Attribute attribute = null;if(elements!=null&&elements.size()>0){element = elements.get(0);attribute = element.attribute(attributeName);if(attribute!=null){attribute.setValue(attributeValue);List<Attribute> attributes = new ArrayList<Attribute>();attributes.add(attribute);element.setAttributes(attributes);}}}/** * 描述:增加节点属性方法 * @paramelement:元素实体对象 * @paramattributeName:属性名称 * @paramattributeValue:属性值 * **/public voidsetNodeAttbiuteByXPath(Element element,String attributeName,String attributeValue){Attribute attribute = element.attribute(attributeName);if(attribute!=null){attribute.setValue(attributeValue);element.add(attribute);}}/** * 描述:XML节点转换为文本方法(XPath方式) * @paramnodePath:xPath路径 * **/public String convertXMLNodeForTextByXPath(String parentPath,String xpath){Node node = null;if(xpath==null){node = this.document.selectSingleNode(parentPath);}else{node = this.findSingleElementByXPath(parentPath, xpath);}if(node!=null){return node.asXML();}return null;}public String getEncoding() {return this.encoding;}public void setEncoding(String encoding) {this.encoding = encoding;}public void setXsd(String xsd) {this.xsd = xsd;}public void setNamespace(String qname,String namespace) {this.params.put(qname,namespace);}/** * 描述:销毁资源方法 * **/public void close(){this.document = null;this.errorHandler = null;this.validator = null;if(this.params!=null){this.params.clear();this.params = null;}this.encoding = null;this.xsd = null;}} 0 0
