update
This commit is contained in:
zhuangqian
parent
588aa42057
commit
89f54fe408
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@ -204,7 +204,7 @@ public class RedisCache<K, V> implements Cache<K, V>, Serializable {
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}
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}
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}
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return jedis;
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return this.jedis;
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}
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@Override
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@ -1,353 +0,0 @@
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package com.smallchill.core.toolbox.kit;
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import java.beans.XMLDecoder;
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import java.beans.XMLEncoder;
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import java.io.BufferedInputStream;
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import java.io.BufferedOutputStream;
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import java.io.BufferedWriter;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.StringWriter;
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import java.util.ArrayList;
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import java.util.List;
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import javax.xml.parsers.DocumentBuilder;
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import javax.xml.parsers.DocumentBuilderFactory;
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import javax.xml.transform.OutputKeys;
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import javax.xml.transform.Source;
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import javax.xml.transform.Transformer;
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import javax.xml.transform.TransformerFactory;
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import javax.xml.transform.dom.DOMSource;
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import javax.xml.transform.stream.StreamResult;
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import org.w3c.dom.Document;
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import org.w3c.dom.Element;
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import org.w3c.dom.NodeList;
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import org.xml.sax.InputSource;
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import com.smallchill.core.exception.ToolBoxException;
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/**
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* XML工具类<br>
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* 此工具使用w3c dom工具，不需要依赖第三方包。<br>
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*
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* @author xiaoleilu
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*
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*/
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public class XmlKit {
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/** 在XML中无效的字符 正则 */
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public final static String INVALID_REGEX = "[\\x00-\\x08\\x0b-\\x0c\\x0e-\\x1f]";
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// -------------------------------------------------------------------------------------- Read
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/**
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* 读取解析XML文件
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*
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* @param file XML文件
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* @return XML文档对象
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*/
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public static Document readXML(File file) {
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if (file == null) {
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throw new NullPointerException("Xml file is null !");
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}
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if (file.exists() == false) {
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throw new ToolBoxException("File [" + file.getAbsolutePath() + "] not a exist!");
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}
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if (file.isFile() == false) {
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throw new ToolBoxException("[" + file.getAbsolutePath() + "] not a file!");
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}
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try {
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file = file.getCanonicalFile();
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} catch (IOException e) {
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}
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final DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
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try {
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final DocumentBuilder builder = dbf.newDocumentBuilder();
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return builder.parse(file);
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} catch (Exception e) {
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throw new ToolBoxException("Parse xml file [" + file.getAbsolutePath() + "] error!", e);
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}
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}
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/**
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* 读取解析XML文件
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*
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* @param absoluteFilePath XML文件绝对路径
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* @return XML文档对象
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*/
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public static Document readXML(String absoluteFilePath) {
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return readXML(new File(absoluteFilePath));
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}
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/**
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* 将String类型的XML转换为XML文档
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*
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* @param xmlStr XML字符串
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* @return XML文档
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*/
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public static Document parseXml(String xmlStr) {
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if (StrKit.isBlank(xmlStr)) {
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throw new ToolBoxException("Xml content string is empty !");
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}
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xmlStr = cleanInvalid(xmlStr);
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final DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
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try {
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final DocumentBuilder builder = dbf.newDocumentBuilder();
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return builder.parse(new InputSource(StrKit.getReader(xmlStr)));
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} catch (Exception e) {
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throw new ToolBoxException("Parse xml file [" + xmlStr + "] error!", e);
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}
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}
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// -------------------------------------------------------------------------------------- Write
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/**
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* 将XML文档转换为String
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*
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* @param doc XML文档
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* @return XML字符串
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*/
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public static String toStr(Document doc) {
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return toStr(doc, CharsetKit.UTF_8);
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}
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/**
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* 将XML文档转换为String<br>
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* 此方法会修改Document中的字符集
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*
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* @param doc XML文档
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* @param charset 自定义XML的字符集
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* @return XML字符串
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*/
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public static String toStr(Document doc, String charset) {
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try {
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StringWriter writer = StrKit.getWriter();
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final Transformer xformer = TransformerFactory.newInstance().newTransformer();
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xformer.setOutputProperty(OutputKeys.ENCODING, charset);
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xformer.setOutputProperty(OutputKeys.INDENT, "yes");
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xformer.transform(new DOMSource(doc), new StreamResult(writer));
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return writer.toString();
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} catch (Exception e) {
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throw new ToolBoxException("Trans xml document to string error!", e);
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}
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}
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/**
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* 将XML文档写入到文件<br>
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* 使用Document中的编码
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*
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* @param doc XML文档
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* @param absolutePath 文件绝对路径，不存在会自动创建
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*/
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public static void toFile(Document doc, String absolutePath) {
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toFile(doc, absolutePath, null);
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}
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/**
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* 将XML文档写入到文件<br>
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*
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* @param doc XML文档
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* @param absolutePath 文件绝对路径，不存在会自动创建
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* @param charset 自定义XML文件的编码
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*/
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public static void toFile(Document doc, String absolutePath, String charset) {
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if (StrKit.isBlank(charset)) {
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charset = doc.getXmlEncoding();
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}
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if (StrKit.isBlank(charset)) {
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charset = CharsetKit.UTF_8;
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}
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BufferedWriter writer = null;
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try {
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writer = FileKit.getWriter(absolutePath, charset, false);
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Source source = new DOMSource(doc);
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final Transformer xformer = TransformerFactory.newInstance().newTransformer();
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xformer.setOutputProperty(OutputKeys.ENCODING, charset);
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xformer.setOutputProperty(OutputKeys.INDENT, "yes");
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xformer.transform(source, new StreamResult(writer));
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} catch (Exception e) {
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throw new ToolBoxException("Trans xml document to string error!", e);
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} finally {
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IoKit.close(writer);
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}
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}
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// -------------------------------------------------------------------------------------- Create
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/**
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* 创建XML文档<br>
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* 创建的XML默认是utf8编码，修改编码的过程是在toStr和toFile方法里，既XML在转为文本的时候才定义编码
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*
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* @param rootElementName 根节点名称
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* @return XML文档
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*/
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public static Document createXml(String rootElementName) {
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final DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
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DocumentBuilder builder = null;
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try {
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builder = dbf.newDocumentBuilder();
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} catch (Exception e) {
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throw new ToolBoxException("Create xml document error!", e);
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}
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Document doc = builder.newDocument();
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doc.appendChild(doc.createElement(rootElementName));
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return doc;
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}
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// -------------------------------------------------------------------------------------- Function
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/**
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* 去除XML文本中的无效字符
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*
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* @param xmlContent XML文本
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* @return 当传入为null时返回null
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*/
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public static String cleanInvalid(String xmlContent) {
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if (xmlContent == null) return null;
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return xmlContent.replaceAll(INVALID_REGEX, "");
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}
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/**
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* 根据节点名获得子节点列表
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*
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* @param element 节点
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* @param tagName 节点名
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* @return 节点列表
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*/
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public static List<Element> getElements(Element element, String tagName) {
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final NodeList nodeList = element.getElementsByTagName(tagName);
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return transElements(element, nodeList);
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}
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/**
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* 根据节点名获得第一个子节点
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*
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* @param element 节点
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* @param tagName 节点名
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* @return 节点
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*/
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public static Element getElement(Element element, String tagName) {
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final NodeList nodeList = element.getElementsByTagName(tagName);
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if (nodeList == null || nodeList.getLength() < 1) {
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return null;
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}
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int length = nodeList.getLength();
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for (int i = 0; i < length; i++) {
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Element childEle = (Element) nodeList.item(i);
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if (childEle == null || childEle.getParentNode() == element) {
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return childEle;
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}
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}
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return null;
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}
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/**
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* 根据节点名获得第一个子节点
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*
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* @param element 节点
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* @param tagName 节点名
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* @return 节点中的值
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*/
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public static String elementText(Element element, String tagName) {
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Element child = getElement(element, tagName);
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return child == null ? null : child.getTextContent();
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}
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/**
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* 根据节点名获得第一个子节点
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*
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* @param element 节点
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* @param tagName 节点名
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* @return 节点中的值
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*/
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public static String elementText(Element element, String tagName, String defaultValue) {
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Element child = getElement(element, tagName);
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return child == null ? defaultValue : child.getTextContent();
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}
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/**
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* 将NodeList转换为Element列表
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*
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* @param nodeList NodeList
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* @return Element列表
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*/
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public static List<Element> transElements(NodeList nodeList) {
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return transElements(null, nodeList);
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}
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/**
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* 将NodeList转换为Element列表
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*
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* @param parentEle 父节点，如果指定将返回此节点的所有直接子节点，nul返回所有就节点
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* @param nodeList NodeList
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* @return Element列表
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*/
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public static List<Element> transElements(Element parentEle, NodeList nodeList) {
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final ArrayList<Element> elements = new ArrayList<Element>();
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int length = nodeList.getLength();
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for (int i = 0; i < length; i++) {
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Element element = (Element) nodeList.item(i);
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if (parentEle == null || element.getParentNode() == parentEle) {
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elements.add(element);
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}
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}
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return elements;
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}
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/**
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* 将可序列化的对象转换为XML写入文件，已经存在的文件将被覆盖<br>
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* Writes serializable object to a XML file. Existing file will be overwritten
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* @param <T>
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* @param dest 目标文件
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* @param t 对象
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* @throws IOException
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*/
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public static <T> void writeObjectAsXml(File dest, T t) throws IOException {
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FileOutputStream fos = null;
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XMLEncoder xmlenc = null;
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try {
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fos = new FileOutputStream(dest);
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xmlenc = new XMLEncoder(new BufferedOutputStream(fos));
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xmlenc.writeObject(t);
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} finally {
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IoKit.close(fos);
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if (xmlenc != null) {
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xmlenc.close();
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}
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}
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}
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/**
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* 从XML中读取对象
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* Reads serialized object from the XML file.
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* @param <T>
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* @param source XML文件
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* @return 对象
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* @throws IOException
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*/
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@SuppressWarnings("unchecked")
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public static <T> T readObjectFromXml(File source) throws IOException {
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Object result = null;
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FileInputStream fis = null;
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XMLDecoder xmldec = null;
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try {
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fis = new FileInputStream(source);
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xmldec = new XMLDecoder(new BufferedInputStream(fis));
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result = xmldec.readObject();
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} finally {
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IoKit.close(fis);
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if (xmldec != null) {
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xmldec.close();
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}
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}
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return (T) result;
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}
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}
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