xml与对象转换
import java.io.ByteArrayInputStream;import java.io.ByteArrayOutputStream;import java.io.File;import java.io.FileOutputStream;import java.io.IOException;import javax.xml.bind.JAXBContext;import javax.xml.bind.Marshaller;import javax.xml.bind.Unmarshaller;/* * * The XML File Reader by Object */public final class XmlReader {private static String xmlCoding = "UTF-8";@SuppressWarnings("unchecked")public static Marshaller createMarshallerByType(Class type) {Marshaller mar = null;try {JAXBContext jax = JAXBContext.newInstance(type);mar = jax.createMarshaller();} catch (Exception e) {e.printStackTrace();}return mar;}@SuppressWarnings("unchecked")private static Unmarshaller createUnMarshallerByType(Class type) {Unmarshaller unMar = null;try {JAXBContext jax = JAXBContext.newInstance(type);unMar = jax.createUnmarshaller();} catch (Exception e) {e.printStackTrace();}return unMar;}/** * parse XML Object to XML String * * @param obj * @return */public static String parseObjectXmlData(Object obj) {String backXml = null;ByteArrayOutputStream baos = null;try {baos = new ByteArrayOutputStream();Marshaller mar = createMarshallerByType(obj.getClass());mar.marshal(obj, baos);//backXml = baos.toString();backXml = new String(baos.toByteArray(), xmlCoding);} catch (Exception e) {e.printStackTrace();} finally {if (baos != null) {try {baos.close();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}}}return backXml;}/*** * if enCoding is null ,the encoding is UTF-8 * * @param obj * @param enCoding * @return */public static String parseObjectXmlData(Object obj, String enCoding) {String backXml = null;ByteArrayOutputStream baos = null;try {if (enCoding != null) {xmlCoding = enCoding;}baos = new ByteArrayOutputStream();Marshaller mar = createMarshallerByType(obj.getClass());mar.marshal(obj, baos);backXml = baos.toString();backXml = new String(baos.toByteArray(), xmlCoding);} catch (Exception e) {e.printStackTrace();} finally {if (baos != null) {try {baos.close();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}}}return backXml;}/** * * default xmlCoding is UTF-8 * * @param type * @param xmlData * @return */@SuppressWarnings("unchecked")public static Object parseXmlDataObject(Class type, String xmlData) {if (xmlData == null || xmlData.trim().length() == 0) {return null;}ByteArrayInputStream bais = null;try {Unmarshaller unMar = createUnMarshallerByType(type);bais = new ByteArrayInputStream(xmlData.getBytes(xmlCoding));return unMar.unmarshal(bais);} catch (Exception e) {//ResourceUtils.printLog(e.toString());} finally {if (bais != null) {try {bais.close();} catch (IOException e) {//ResourceUtils.printLog(e.toString());}}}return null;}/** * get data from xml * * @param type * @param xmlData * @param enCoding * @return */@SuppressWarnings("unchecked")public static Object parseXmlDataObject(Class type, String xmlData,String enCoding) {if (xmlData == null || xmlData.trim().length() == 0) {return null;}ByteArrayInputStream bais = null;try {xmlCoding = enCoding;Unmarshaller unMar = createUnMarshallerByType(type);bais = new ByteArrayInputStream(xmlData.getBytes(xmlCoding));return unMar.unmarshal(bais);} catch (Exception e) {e.printStackTrace();} finally {if (bais != null) {try {bais.close();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}}}return null;}/** * parse XML Object to XML File * * @param obj * @return */public static boolean parseObjectXmlFile(Object obj,String fullpath) {FileOutputStream fos = null;try {fos = new FileOutputStream(fullpath);Marshaller mar = createMarshallerByType(obj.getClass());mar.marshal(obj, fos);} catch (Exception e) {e.printStackTrace();} finally {if (fos != null) {try {fos.close();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}}}return true;}/** * get data from xml by file * @param type * @param xmlPath * @return */@SuppressWarnings("unchecked")public static Object parseXmlDataObjectByPath(Class type, File file) {if (file == null) {return null;}try {Unmarshaller unMar = createUnMarshallerByType(type);return unMar.unmarshal(file);} catch (Exception e) {e.printStackTrace();} return null;}}