first commit
This commit is contained in:
Ray
631
comm/Kernel/src/kernel/util/Dom4jUtils.java
Executable file
631
comm/Kernel/src/kernel/util/Dom4jUtils.java
Executable file
@@ -0,0 +1,631 @@
|
||||
package kernel.util;
|
||||
|
||||
|
||||
|
||||
import java.io.File;
|
||||
import java.io.IOException;
|
||||
import java.io.InputStream;
|
||||
import java.io.Reader;
|
||||
import java.io.StringReader;
|
||||
import java.io.StringWriter;
|
||||
import java.lang.reflect.InvocationTargetException;
|
||||
import java.lang.reflect.Method;
|
||||
import java.net.URL;
|
||||
import java.util.Iterator;
|
||||
import java.util.List;
|
||||
|
||||
import javax.xml.parsers.ParserConfigurationException;
|
||||
import javax.xml.parsers.SAXParserFactory;
|
||||
|
||||
import org.dom4j.Attribute;
|
||||
import org.dom4j.Document;
|
||||
import org.dom4j.DocumentException;
|
||||
import org.dom4j.DocumentFactory;
|
||||
import org.dom4j.Element;
|
||||
import org.dom4j.QName;
|
||||
import org.dom4j.io.OutputFormat;
|
||||
import org.dom4j.io.SAXReader;
|
||||
import org.dom4j.io.SAXValidator;
|
||||
import org.dom4j.io.XMLWriter;
|
||||
import org.dom4j.util.XMLErrorHandler;
|
||||
import org.xml.sax.EntityResolver;
|
||||
import org.xml.sax.InputSource;
|
||||
import org.xml.sax.SAXException;
|
||||
import org.xml.sax.XMLReader;
|
||||
|
||||
/**
|
||||
* Dom4j 的一个工具类实现
|
||||
|
||||
* @author
|
||||
* @version 1.0 changed.log 添加一些增删改属性的静态方法
|
||||
*/
|
||||
public abstract class Dom4jUtils {
|
||||
|
||||
public static final String DEFAULT_ENCODING = "GB2312";
|
||||
|
||||
|
||||
public static void validateDocument(Document document, final String xsdName, final InputStream xsdStream)
|
||||
throws SAXException, ParserConfigurationException {
|
||||
// 读取mib-mapping验证文件
|
||||
EntityResolver resolver = new EntityResolver() {
|
||||
public InputSource resolveEntity(String publicId, String systemId) {
|
||||
if (systemId.endsWith(xsdName)) {
|
||||
return new InputSource(xsdStream);
|
||||
}
|
||||
return null;
|
||||
}
|
||||
};
|
||||
|
||||
// 创建默认的XML错误处理器
|
||||
XMLErrorHandler errorHandler = new XMLErrorHandler();
|
||||
|
||||
// 获取基于 SAX 的解析器的实例
|
||||
SAXParserFactory factory = SAXParserFactory.newInstance();
|
||||
// 解析器在解析时验证 XML 内容。
|
||||
factory.setValidating(true);
|
||||
// 指定由此代码生成的解析器将提供对 XML 名称空间的支持。
|
||||
factory.setNamespaceAware(true);
|
||||
// 使用当前配置的工厂参数创建 SAXParser 的一个新实例。
|
||||
XMLReader parser = factory.newSAXParser().getXMLReader();
|
||||
parser.setEntityResolver(resolver);
|
||||
parser.setFeature("http://xml.org/sax/features/validation", true);
|
||||
parser.setFeature("http://apache.org/xml/features/validation/schema", true);
|
||||
parser.setFeature("http://apache.org/xml/features/validation/schema-full-checking", true);
|
||||
|
||||
// 创建一个SAXValidator校验工具，并设置校验工具的属性
|
||||
SAXValidator validator = new SAXValidator(parser);
|
||||
// 设置校验工具的错误处理器，当发生错误时，可以从处理器对象中得到错误信息。
|
||||
validator.setErrorHandler(errorHandler);
|
||||
// 校验
|
||||
validator.validate(document);
|
||||
|
||||
// 如果错误信息不为空，说明校验失败，打印错误信息
|
||||
if (errorHandler.getErrors().hasContent()) {
|
||||
throw new SAXException(errorHandler.getErrors().asXML());
|
||||
}
|
||||
}
|
||||
|
||||
// public static void validateDocument(Document document) throws SAXException, ParserConfigurationException {
|
||||
//
|
||||
//
|
||||
// // 创建默认的XML错误处理器
|
||||
// XMLErrorHandler errorHandler = new XMLErrorHandler();
|
||||
//
|
||||
// // 获取基于 SAX 的解析器的实例
|
||||
// SAXParserFactory factory = SAXParserFactory.newInstance();
|
||||
// // 解析器在解析时验证 XML 内容。
|
||||
// factory.setValidating(true);
|
||||
// // 指定由此代码生成的解析器将提供对 XML 名称空间的支持。
|
||||
// factory.setNamespaceAware(true);
|
||||
// // 使用当前配置的工厂参数创建 SAXParser 的一个新实例。
|
||||
// XMLReader parser = factory.newSAXParser().getXMLReader();
|
||||
// parser.setEntityResolver(resolver);
|
||||
// parser.setFeature("http://xml.org/sax/features/validation", true);
|
||||
// parser.setFeature("http://apache.org/xml/features/validation/schema", true);
|
||||
// parser.setFeature("http://apache.org/xml/features/validation/schema-full-checking", true);
|
||||
//
|
||||
// // 创建一个SAXValidator校验工具，并设置校验工具的属性
|
||||
// SAXValidator validator = new SAXValidator(parser);
|
||||
// // 设置校验工具的错误处理器，当发生错误时，可以从处理器对象中得到错误信息。
|
||||
// validator.setErrorHandler(errorHandler);
|
||||
// // 校验
|
||||
// validator.validate(document);
|
||||
//
|
||||
// // 如果错误信息不为空，说明校验失败，打印错误信息
|
||||
// if (errorHandler.getErrors().hasContent()) {
|
||||
// throw new SAXException(errorHandler.getErrors().asXML());
|
||||
// }
|
||||
// }
|
||||
|
||||
/**
|
||||
* Create dom4j document from xmlSource
|
||||
*
|
||||
* @param xmlSource
|
||||
* Object
|
||||
* @param validate
|
||||
* boolean
|
||||
* @param encoding
|
||||
* String
|
||||
* @throws DocumentException
|
||||
* @throws IOException
|
||||
* @return Document
|
||||
*/
|
||||
public static Document createDOM4jDocument(Object xmlSource, boolean validate, String encoding)
|
||||
throws DocumentException, IOException {
|
||||
// Use xerces and validate XML file
|
||||
Document doc = null;
|
||||
SAXReader saxReader = new SAXReader(true);
|
||||
saxReader.setValidation(validate);
|
||||
if (encoding == null || encoding.equals("")) {
|
||||
encoding = DEFAULT_ENCODING;
|
||||
}
|
||||
|
||||
// Check input source type
|
||||
if (xmlSource instanceof String) {
|
||||
if (((String) xmlSource).startsWith("<")) {
|
||||
// Treat the String as XML code
|
||||
StringReader reader = new StringReader(xmlSource.toString());
|
||||
doc = saxReader.read(reader, encoding);
|
||||
}
|
||||
else {
|
||||
doc = saxReader.read(new File((String) xmlSource));
|
||||
}
|
||||
}
|
||||
else if (xmlSource instanceof File) {
|
||||
doc = saxReader.read((File) xmlSource);
|
||||
}
|
||||
else if (xmlSource instanceof InputStream) {
|
||||
doc = saxReader.read((InputStream) xmlSource);
|
||||
}
|
||||
else if (xmlSource instanceof Reader) {
|
||||
doc = saxReader.read((Reader) xmlSource);
|
||||
}
|
||||
else if (xmlSource instanceof URL) {
|
||||
doc = saxReader.read((URL) xmlSource);
|
||||
}
|
||||
else if (xmlSource instanceof Document) { // 080908 added
|
||||
doc = (Document) xmlSource;
|
||||
}
|
||||
|
||||
return doc;
|
||||
}
|
||||
|
||||
/**
|
||||
* 新建文档
|
||||
*
|
||||
* @return Document 文档节点
|
||||
* @added by jiayc
|
||||
*/
|
||||
public static Document createDocument() {
|
||||
DocumentFactory factory = new DocumentFactory();
|
||||
Document document = factory.createDocument();
|
||||
return document;
|
||||
}
|
||||
|
||||
/**
|
||||
* This method will generate XML file in a StringBuffer based on the given
|
||||
* Dom4j object.
|
||||
*
|
||||
* @param dom4jObj
|
||||
* Object
|
||||
* @param encoding
|
||||
* String
|
||||
* @throws IOException
|
||||
* @return StringBuffer
|
||||
*/
|
||||
public static/* synchronized closed by cxy */StringBuffer generateXMLStringBuffer(Object dom4jObj, String encoding)
|
||||
throws IOException {
|
||||
StringWriter writer = new StringWriter();
|
||||
OutputFormat outformat = OutputFormat.createPrettyPrint();
|
||||
// 设置编码类型
|
||||
if (encoding == null || encoding.trim().equals("")) {
|
||||
encoding = DEFAULT_ENCODING;
|
||||
}
|
||||
outformat.setEncoding(encoding);
|
||||
// dom4j 支持直接输出OBJECT
|
||||
XMLWriter xmlWriter = null;
|
||||
xmlWriter = new XMLWriter(writer, outformat);
|
||||
xmlWriter.write(dom4jObj);
|
||||
xmlWriter.flush();
|
||||
|
||||
return writer.getBuffer();
|
||||
}
|
||||
|
||||
/**
|
||||
* 反射调用DOM4J的某方法，生成BUFFER，不是很有用？只能调一层？
|
||||
*
|
||||
* @param dom4jObj
|
||||
* Object
|
||||
* @param encoding
|
||||
* String
|
||||
* @param className
|
||||
* String
|
||||
* @param methodName
|
||||
* String
|
||||
* @param parameterTypes
|
||||
* Class[]
|
||||
* @param parameterValues
|
||||
* Object[]
|
||||
* @throws IOException
|
||||
* @throws ClassNotFoundException
|
||||
* @throws SecurityException
|
||||
* @throws NoSuchMethodException
|
||||
* @throws IllegalArgumentException
|
||||
* @throws IllegalAccessException
|
||||
* @throws InvocationTargetException
|
||||
* @return StringBuffer
|
||||
*/
|
||||
public static/** synchronized */
|
||||
StringBuffer generateXMLStringBufferByMethodInvoke(Object dom4jObj, String encoding, String className,
|
||||
String methodName, Class<?>[] parameterTypes, Object[] parameterValues) throws IOException,
|
||||
ClassNotFoundException, SecurityException, NoSuchMethodException, IllegalArgumentException,
|
||||
IllegalAccessException, InvocationTargetException {
|
||||
Class<?> componentClass = null;
|
||||
componentClass = Class.forName(className);
|
||||
Method method;
|
||||
method = componentClass.getMethod(methodName, parameterTypes);
|
||||
Object o = method.invoke(dom4jObj, parameterValues);
|
||||
return generateXMLStringBuffer(o, encoding);
|
||||
}
|
||||
|
||||
/**
|
||||
* 插入节点，不是好方法，可有好方法替代？
|
||||
*
|
||||
* @param parent
|
||||
* Element param insert
|
||||
* @param insertBefore
|
||||
* Element
|
||||
* @return Element
|
||||
*/
|
||||
public static Element insertChild(Element parent, Element toInsert, Element insertBefore) {
|
||||
String str = parent.asXML();
|
||||
String before = insertBefore.asXML();
|
||||
String insert = toInsert.asXML();
|
||||
int pos = -1;
|
||||
if ((pos = str.indexOf(before)) >= 0) {
|
||||
str = str.substring(0, pos) + insert + str.substring(pos);
|
||||
}
|
||||
|
||||
try {
|
||||
parent = Dom4jUtils.createDOM4jDocument(str, false, "").getRootElement();
|
||||
} catch (Exception ex) {
|
||||
}
|
||||
|
||||
return parent;
|
||||
}
|
||||
|
||||
/**
|
||||
* 插入节点，不是好方法，可有好方法替代？
|
||||
*
|
||||
* @param parent
|
||||
* Element param insert
|
||||
* @param insertBefore
|
||||
* Element
|
||||
* @return Element
|
||||
*/
|
||||
public static Element insertChildAfter(Element parent, Element toInsert, Element insertAfter) {
|
||||
String str = parent.asXML();
|
||||
String after = insertAfter.asXML();
|
||||
String insert = toInsert.asXML();
|
||||
int pos = -1;
|
||||
if ((pos = str.indexOf(after)) >= 0) {
|
||||
pos += after.length();
|
||||
str = str.substring(0, pos) + insert + str.substring(pos);
|
||||
}
|
||||
|
||||
try {
|
||||
parent = Dom4jUtils.createDOM4jDocument(str, false, "").getRootElement();
|
||||
} catch (Exception ex) {
|
||||
}
|
||||
|
||||
return parent;
|
||||
}
|
||||
|
||||
/**
|
||||
* 添加新Element节点，值为String类型
|
||||
*
|
||||
* @param parent
|
||||
* 父节点
|
||||
* @param name
|
||||
* 新节点名称
|
||||
* @param value
|
||||
* 新节点值
|
||||
* @return element
|
||||
* @throws XMLDocException
|
||||
*/
|
||||
public static Element appendChild(Element parent, String name, String value) {
|
||||
if (parent == null) {
|
||||
return null;
|
||||
}
|
||||
|
||||
Element element = parent.addElement(new QName(name, parent.getNamespace()));
|
||||
if (value != null) {
|
||||
element.addText(value);
|
||||
}
|
||||
return element;
|
||||
}
|
||||
|
||||
/**
|
||||
* 删除子节点
|
||||
*
|
||||
* @param parent
|
||||
* Element 父节点
|
||||
* @param name
|
||||
* String 删除节点名
|
||||
* @param value
|
||||
* String 删除节点值
|
||||
* @return Element
|
||||
*/
|
||||
public static Element removeChild(Element parent, String name, String value) {
|
||||
if (parent == null) {
|
||||
return null;
|
||||
}
|
||||
|
||||
Iterator<?> iter = parent.elementIterator();
|
||||
Element del = null;
|
||||
while (iter.hasNext()) {
|
||||
Element tmp = (Element) iter.next();
|
||||
if (tmp.getName().equals(name) && tmp.getText().equals(value)) {
|
||||
del = tmp;
|
||||
}
|
||||
}
|
||||
if (del != null) {
|
||||
parent.remove(del);
|
||||
}
|
||||
return parent;
|
||||
}
|
||||
|
||||
/**
|
||||
* 添加属性
|
||||
*
|
||||
* @param ele
|
||||
* Element
|
||||
* @param attributeName
|
||||
* String
|
||||
* @param attributeValue
|
||||
* String
|
||||
* @return Element
|
||||
*/
|
||||
public static Element appendAttribute(Element ele, String attributeName, String attributeValue) {
|
||||
if (ele == null) {
|
||||
return null;
|
||||
}
|
||||
|
||||
ele.addAttribute(attributeName, attributeValue);
|
||||
return ele;
|
||||
}
|
||||
|
||||
/**
|
||||
* 删除属性
|
||||
*
|
||||
* @param ele
|
||||
* Element
|
||||
* @param attributeName
|
||||
* String
|
||||
* @return Element
|
||||
*/
|
||||
public static Element removeAttribute(Element ele, String attributeName) {
|
||||
if (ele == null) {
|
||||
return null;
|
||||
}
|
||||
|
||||
Attribute att = ele.attribute(attributeName);
|
||||
ele.remove(att);
|
||||
return ele;
|
||||
}
|
||||
|
||||
/**
|
||||
* 修改属性
|
||||
*
|
||||
* @param ele
|
||||
* Element
|
||||
* @param attributeName
|
||||
* String
|
||||
* @param attributeValue
|
||||
* String
|
||||
* @return Element
|
||||
*/
|
||||
public static Element setAttribute(Element ele, String attributeName, String attributeValue) {
|
||||
if (ele == null) {
|
||||
return null;
|
||||
}
|
||||
|
||||
Attribute att = ele.attribute(attributeName);
|
||||
if (att != null) {
|
||||
att.setText(attributeValue);
|
||||
}
|
||||
else {
|
||||
Dom4jUtils.appendAttribute(ele, attributeName, attributeValue);
|
||||
}
|
||||
return ele;
|
||||
}
|
||||
|
||||
/**
|
||||
* 取Element节点下的所有子节点内容，转换成字符串
|
||||
*
|
||||
* @param element
|
||||
* Element
|
||||
* @return String
|
||||
*/
|
||||
public static String getElementContext(Element element) {
|
||||
if (element == null) {
|
||||
return null;
|
||||
}
|
||||
String str = element.getText();
|
||||
for (Iterator<?> i = element.elementIterator(); i.hasNext();) {
|
||||
Element elementTmp = (Element) i.next();
|
||||
str = str + elementTmp.asXML();
|
||||
// do something
|
||||
}
|
||||
return str;
|
||||
}
|
||||
|
||||
/**
|
||||
*
|
||||
* @param element
|
||||
* Element
|
||||
* @param path
|
||||
* String
|
||||
* @param attr
|
||||
* String
|
||||
* @return String
|
||||
*/
|
||||
public static String getElementContext(Element element, String path, String attr) {
|
||||
Element el = element.element(path);
|
||||
if (attr == null || attr.trim().equals("")) {
|
||||
return el.getText();
|
||||
}
|
||||
else {
|
||||
return el.attributeValue(attr);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 根据XPATH 获取元素内容，text。 "/path/@seq" 获取属性值 "/path/" 获取元素
|
||||
*
|
||||
* @param element
|
||||
* Element
|
||||
* @param path
|
||||
* String
|
||||
* @return String
|
||||
*/
|
||||
public static String getElementContext(Element element, String path) {
|
||||
if (element == null || path == null) {
|
||||
return null;
|
||||
}
|
||||
|
||||
Object o = element.selectSingleNode(path);
|
||||
if (o == null) { // 无此节点
|
||||
return null;
|
||||
}
|
||||
|
||||
if (o instanceof Element) { // 1、元素 Element
|
||||
Element e = (Element) o;
|
||||
if (e.isTextOnly()) { // text only
|
||||
return e.getText();
|
||||
}
|
||||
else { // element
|
||||
try {
|
||||
return Dom4jUtils.generateXMLStringBuffer(e, "").toString();
|
||||
} catch (IOException ex1) {
|
||||
return null;
|
||||
}
|
||||
}
|
||||
}
|
||||
else if (o instanceof Attribute) { // 2、属性 Attribute
|
||||
return ((Attribute) o).getValue();
|
||||
}
|
||||
else { // 3、其他 Other node
|
||||
try {
|
||||
return Dom4jUtils.generateXMLStringBuffer(o, "").toString();
|
||||
} catch (IOException ex) {
|
||||
return null;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 根据XPATH 获取元素内容，text。 "/path/@seq" 获取属性值 "/path/" 获取元素
|
||||
*
|
||||
* @param element
|
||||
* Element
|
||||
* @param path
|
||||
* String
|
||||
* @return String
|
||||
*/
|
||||
public static String[] getElementContextArray(Element element, String path) {
|
||||
if (element == null || path == null) {
|
||||
return null;
|
||||
}
|
||||
List<?> nodes = element.selectNodes(path);
|
||||
String[] eleContext = new String[nodes.size()];
|
||||
Iterator<?> iter = nodes.iterator();
|
||||
int length = 0;
|
||||
while (iter.hasNext()) {
|
||||
Object o = (Object) iter.next();
|
||||
// Object o = element.selectNodes(path);
|
||||
if (o instanceof Element) { // 1、元素 Element
|
||||
Element e = (Element) o;
|
||||
if (e.isTextOnly()) { // text only
|
||||
// return e.getText();
|
||||
eleContext[length] = e.getText();
|
||||
length++;
|
||||
}
|
||||
else { // element
|
||||
try {
|
||||
eleContext[length] = Dom4jUtils.generateXMLStringBuffer(e, "").toString();
|
||||
length++;
|
||||
// return Dom4jUtil.generateXMLStringBuffer(e,
|
||||
// "").toString();
|
||||
} catch (IOException ex1) {
|
||||
return null;
|
||||
}
|
||||
}
|
||||
}
|
||||
else if (o instanceof Attribute) { // 2、属性 Attribute
|
||||
// return ( (Attribute) o).getValue();
|
||||
eleContext[length] = ((Attribute) o).getValue();
|
||||
length++;
|
||||
}
|
||||
else { // 3、其他 Other node
|
||||
try {
|
||||
eleContext[length] = Dom4jUtils.generateXMLStringBuffer(o, "").toString();
|
||||
length++;
|
||||
// return Dom4jUtil.generateXMLStringBuffer(o,
|
||||
// "").toString();
|
||||
} catch (IOException ex) {
|
||||
return null;
|
||||
}
|
||||
}
|
||||
}
|
||||
return eleContext;
|
||||
}
|
||||
|
||||
/**
|
||||
* 添加新Element节点，值为String类型
|
||||
*
|
||||
* @param root
|
||||
* 根节点
|
||||
* @param xpath
|
||||
* 新节点路径 eg:/root/a/a1 or /root/b/b1/@seq
|
||||
* @param value
|
||||
* 新节点值
|
||||
* @param isGroup
|
||||
* boolean
|
||||
* @return element
|
||||
*/
|
||||
public static Element appendElement(Element root, String xpath, String value, boolean isGroup) {
|
||||
if (root == null) {
|
||||
return null;
|
||||
}
|
||||
int j = xpath.lastIndexOf("/");
|
||||
String path = xpath.substring(0, j);
|
||||
Element node = (Element) root.selectSingleNode(path);
|
||||
String[] paths = xpath.split("/");
|
||||
if (isGroup) {
|
||||
if (node == null) {
|
||||
for (int i = 2; i < paths.length; i++) {
|
||||
root = root.addElement(new QName(paths[i], root.getNamespace()));
|
||||
}
|
||||
}
|
||||
else {
|
||||
root = node.addElement(new QName(paths[paths.length - 1], root.getNamespace()));
|
||||
}
|
||||
}
|
||||
else {
|
||||
for (int i = 2; i < paths.length; i++) {
|
||||
root = root.addElement(new QName(paths[i], root.getNamespace()));
|
||||
}
|
||||
}
|
||||
|
||||
if (value != null) {
|
||||
root.addText(value);
|
||||
|
||||
}
|
||||
|
||||
return root;
|
||||
}
|
||||
|
||||
/**
|
||||
*
|
||||
* @param args
|
||||
* String[]
|
||||
*/
|
||||
public static void main(String[] args) throws IOException {
|
||||
Document document = Dom4jUtils.createDocument();
|
||||
Element root = document.addElement(new QName("root"));
|
||||
|
||||
Dom4jUtils.appendChild(root, "hi", "hi");
|
||||
Dom4jUtils.appendChild(root, "hi1", "1");
|
||||
Dom4jUtils.appendChild(root, "hi2", "2");
|
||||
|
||||
root.addElement("kaka");
|
||||
|
||||
root = Dom4jUtils.insertChild(root, (Element) root.selectSingleNode("hi1"),
|
||||
(Element) root.selectSingleNode("hi"));
|
||||
root = Dom4jUtils.insertChildAfter(root, (Element) root.selectSingleNode("hi2"),
|
||||
(Element) root.selectSingleNode("hi"));
|
||||
|
||||
System.out.println(Dom4jUtils.generateXMLStringBuffer(root, ""));
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user