//测试类
import com.toft.webservice.client.domino.DominoObject;import com.toft.webservice.core.JaxbBinder;public class JaxbTest {private static final String DECLARATION = "<?xml version='1.0' encoding='utf-8'?><!DOCTYPE document SYSTEM 'xmlschemas/domino_7_0_1.dtd'>";private static final String ENCODING = "UTF-8";private DominoObject dominoObject = new DominoObject();public static void main(String[] args){}/** * 使用JAXB生成符合接口的XML. * @return String * @throws Exception */private String getDominoXml() throws Exception {try {JaxbBinder binder = new JaxbBinder(DominoObject.class);return binder.toXml(dominoObject, ENCODING, DECLARATION);} catch (Exception e) {throw e;}}}
//工具类
import java.io.StringReader;import java.io.StringWriter;import javax.xml.bind.JAXBContext;import javax.xml.bind.JAXBException;import javax.xml.bind.Marshaller;import javax.xml.bind.Unmarshaller;/** * 使用Jaxb2.0实现XML<->Java Object的Binder. * * @author 孙祖强 */public class JaxbBinder {//多线程安全的Context.private JAXBContext jaxbContext;/** * @param types 所有需要序列化的Root对象的类型. */public JaxbBinder(Class<?>... types) {try {jaxbContext = JAXBContext.newInstance(types);} catch (JAXBException e) {throw new RuntimeException(e);}}/** * Java Object->Xml. */public String toXml(Object root) {try {StringWriter writer = new StringWriter();createMarshaller("UTF-8", null, true).marshal(root, writer);return writer.toString();} catch (JAXBException e) {throw new RuntimeException(e);}}/** * Java Object->Xml. */public String toXml(Object root, String encoding) {try {StringWriter writer = new StringWriter();createMarshaller(encoding, null, false).marshal(root, writer);return writer.toString();} catch (JAXBException e) {throw new RuntimeException(e);}}/** * Java Object->Xml. */public String toXml(Object root, String encoding, String declaration) {try {StringWriter writer = new StringWriter();writer.append(declaration);createMarshaller(encoding, declaration, false).marshal(root, writer);return writer.toString();} catch (JAXBException e) {throw new RuntimeException(e);}}/** * Xml->Java Object. */@SuppressWarnings("unchecked")public <T> T fromXml(String xml) {try {StringReader reader = new StringReader(xml);return (T) createUnmarshaller().unmarshal(reader);} catch (JAXBException e) {throw new RuntimeException(e);}}/** * 创建Marshaller, 设定encoding(可为Null), 设定declaration(可为Null). */public Marshaller createMarshaller(String encoding, String declaration, Boolean formatted) {try {Marshaller marshaller = jaxbContext.createMarshaller();//是否格式化XMLif (formatted) {marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE);}//设置编码方式if (null != encoding && !"".equals(encoding)) {marshaller.setProperty(Marshaller.JAXB_ENCODING, encoding);}//设置XML声明if (null != declaration && !"".equals(declaration)) {marshaller.setProperty("com.sun.xml.bind.xmlDeclaration", Boolean.FALSE);}return marshaller;} catch (JAXBException e) {throw new RuntimeException(e);}}/** * 创建UnMarshaller. */public Unmarshaller createUnmarshaller() {try {return jaxbContext.createUnmarshaller();} catch (JAXBException e) {throw new RuntimeException(e);}}}
