XML读写工具
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import java.io.ByteArrayOutputStream; import java.io.File; import java.io.FileOutputStream; import java.io.InputStream; import java.util.List;
import javax.xml.transform.Transformer; import javax.xml.transform.TransformerFactory; import javax.xml.transform.stream.StreamSource;
import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.dom4j.Attribute; import org.dom4j.Document; import org.dom4j.DocumentHelper; import org.dom4j.Element; import org.dom4j.io.DocumentResult; import org.dom4j.io.DocumentSource; import org.dom4j.io.OutputFormat; import org.dom4j.io.SAXReader; import org.dom4j.io.XMLWriter;
/** * XML读写工具 * @author csx * */ public class XmlUtil {
private static final Log logger=LogFactory.getLog(XmlUtil.class); public static final String CONFIG_FILE_NAME = "hurong.xml";// 系统配置文件名称
public static Document getSystemConfigXML(){
try{ Document document = null; File configFile = null; String configFilePath = Thread.currentThread().getContextClassLoader().getResource("").toURI().getPath()+"hurong.xml"; configFile = new File(configFilePath); SAXReader saxReader = new SAXReader(); document = saxReader.read(configFile); return document;} catch (Exception e) { e.printStackTrace(); return null; } } /** * * 获取第三方短信、身份证验证接口 * * * **/ public static Document getThridInterface(){ try{ Document document = null; File configFile = null; String configFilePath = Thread.currentThread().getContextClassLoader().getResource("").toURI().getPath()+"thridInterface.xml"; configFile = new File(configFilePath); SAXReader saxReader = new SAXReader(); document = saxReader.read(configFile); return document;} catch (Exception e) { e.printStackTrace(); return null; } }
/** * 把Document对象转成XML String * @param document * @return */ public static String docToString(Document document) { String s = ""; try { ByteArrayOutputStream out = new ByteArrayOutputStream();
OutputFormat format = new OutputFormat(" ", true, "UTF-8"); XMLWriter writer = new XMLWriter(out, format); writer.write(document); s = out.toString("UTF-8"); } catch (Exception ex) { logger.error("docToString error:"+ex.getMessage()); } return s; } /** * 把XML String转成Document对象 * @param s * @return */ public static Document stringToDocument(String s) { Document doc = null; try { doc = DocumentHelper.parseText(s); } catch (Exception ex) { logger.error("stringToDocument error:"+ex.getMessage()); } return doc; }
/** * 把Document对象转成XML对象 * @param document * @param filename * @return */ public static boolean docToXmlFile(Document document, String filename) { boolean flag = true; try { OutputFormat format = OutputFormat.createPrettyPrint(); format.setEncoding("UTF-8"); XMLWriter writer = new XMLWriter( new FileOutputStream(new File(filename)), format); writer.write(document); writer.close(); } catch (Exception ex) { flag = false; logger.error("docToXmlFile error:"+ex.getMessage()); } return flag; } /** * 把String XML转成XML文件 * @param str * @param filename * @return */ public static boolean stringToXmlFile(String str, String filename) { boolean flag = true; try { Document doc = DocumentHelper.parseText(str); flag = docToXmlFile(doc, filename); } catch (Exception ex) { flag = false; logger.error("stringToXmlFile error:"+ex.getMessage()); } return flag; } /** * 加载一个XML文件转成Document对象 * @param filename * @return */ public static Document load(String filename) { return load(new File(filename)); }
public static Document load(File file){ Document document = null; try { SAXReader saxReader = new SAXReader(); saxReader.setEncoding("UTF-8"); document = saxReader.read(file); } catch (Exception ex) { logger.error("load XML File error:"+ex.getMessage()); } return document; }
/** * 加载一个XML文件转成Document对象 * @param filename * @return */ public static Document load(String filename,String encode) { Document document = null; try { SAXReader saxReader = new SAXReader(); saxReader.setEncoding("encode"); document = saxReader.read(new File(filename)); } catch (Exception ex) { logger.error("load XML File error:"+ex.getMessage()); } return document; } /** * 通过流加载一个XML文档对象 * @param is * @return */ public static Document load(InputStream is){ Document document = null; try { SAXReader saxReader = new SAXReader(); //System.out.println("code:" + System.getProperty("file.encoding")); saxReader.setEncoding("UTF-8"); document = saxReader.read(is); } catch (Exception ex) { logger.error("load XML File error:"+ex.getMessage()); } return document; }
/** * 通过流加载一个XML文档对象 * @param is * @return */ public static Document load(InputStream is,String encode){ Document document = null; try { SAXReader saxReader = new SAXReader(); saxReader.setEncoding(encode); document = saxReader.read(is); } catch (Exception ex) { logger.error("load XML File error:"+ex.getMessage()); } return document; }
public static Document styleDocument( Document document, String stylesheet ) throws Exception { // load the transformer using JAXP TransformerFactory factory = TransformerFactory.newInstance(); Transformer transformer = factory.newTransformer( new StreamSource( stylesheet ) ); // now lets style the given document DocumentSource source = new DocumentSource( document ); DocumentResult result = new DocumentResult(); transformer.transform( source, result ); // return the transformed document Document transformedDoc = result.getDocument(); return transformedDoc; }
public static void main(String[]args){ String filePath="L:/devtools/workspace/eoffice/web/js/menu.xml"; String style="L:/devtools/workspace/eoffice/web/js/menu-public.xsl"; Document doc=XmlUtil.load(filePath); try{ Document another=styleDocument(doc,style); System.out.println("xml:" + another.asXML()); //Set idSet=new HashSet(); Document publicDoc=another; Element rootEl=publicDoc.getRootElement(); List idNodes=rootEl.selectNodes("/Menus//*"); System.out.println("size:" + idNodes.size()); for(int i=0;i<idNodes.size();i++){ Element el=(Element)idNodes.get(i); Attribute attr= el.attribute("id"); if(attr!=null){ System.out.println("attr:" + attr.getValue()); //idSet.add(attr.getValue()); } } }catch(Exception ex){ ex.printStackTrace(); } } } |
