java与Xml的转换（Castor）

Castor用法
http://backhome.iteye.com/blog/582459
http://fyd222.iteye.com/blog/1397761
http://kuwoleft.iteye.com/blog/1242249


依赖包：

castor-1.3.2-xml.jar

castor-1.3.2-core.jar

commons-lang-2.1.0.jar

commons-logging-1.1.jar

javax.xml.stream-1.0.1.jar



JavaBean



Person.java



Java代码 
package bean;  
 
import java.io.Serializable;  
import java.util.Date;  
 
public class Person implements Serializable {  
 
private static final long serialVersionUID = 1L;  
 
private String name = null;  
 
private Date dob = null;  
 
public Person() {  
  super();  
}  
 
public String getName() {  
  return name;  
}  
 
public void setName(String name) {  
  this.name = name;  
}  
 
public Date getDob() {  
  return dob;  
}  
 
public void setDob(Date dob) {  
  this.dob = dob;  
}  
 
@Override 
public String toString() {  
  return "Person [dob=" + dob + ", name=" + name + "]";  
}  
} 

package bean;

import java.io.Serializable;
import java.util.Date;

public class Person implements Serializable {

private static final long serialVersionUID = 1L;

private String name = null;

private Date dob = null;

public Person() {
  super();
}

public String getName() {
  return name;
}

public void setName(String name) {
  this.name = name;
}

public Date getDob() {
  return dob;
}

public void setDob(Date dob) {
  this.dob = dob;
}

@Override
public String toString() {
  return "Person [dob=" + dob + ", name=" + name + "]";
}
}
 




Staff.java





Java代码 
package bean;  
 
import java.io.Serializable;  
import java.util.List;  
 
public class Staff implements Serializable{  
   
private static final long serialVersionUID = 1L;  
 
private String deptNO;  
   
private List<Person> persons;  
   
public String getDeptNO() {  
  return deptNO;  
}  
public void setDeptNO(String deptNO) {  
  this.deptNO = deptNO;  
}  
public List<Person> getPersons() {  
  return persons;  
}  
public void setPersons(List<Person> persons) {  
  this.persons = persons;  
}  
@Override 
public String toString() {  
  return "Staff [deptNO=" + deptNO + ", persons=" + persons + "]";  
}  
} 

package bean;

import java.io.Serializable;
import java.util.List;

public class Staff implements Serializable{

private static final long serialVersionUID = 1L;

private String deptNO;

private List<Person> persons;

public String getDeptNO() {
  return deptNO;
}
public void setDeptNO(String deptNO) {
  this.deptNO = deptNO;
}
public List<Person> getPersons() {
  return persons;
}
public void setPersons(List<Person> persons) {
  this.persons = persons;
}
@Override
public String toString() {
  return "Staff [deptNO=" + deptNO + ", persons=" + persons + "]";
}
} 






XML映射文件

maping.xml



Xml代码 
<?xml version="1.0"?> 
<!DOCTYPE mapping PUBLIC "-//EXOLAB/Castor Mapping DTD Version 1.0//EN"  
                         "http://castor.org/mapping.dtd"> 
<mapping> 
<description>Basic mapping example</description> 
<class name="bean.Staff"> 
  <map-to xml="Staff" /> 
  <field name="deptNO"> 
   <bind-xml name="deptNO" node="attribute" /> 
  </field> 
  <field name="persons" type="bean.Person" collection="arraylist"> 
   <bind-xml name="Person" /> 
  </field> 
</class> 
<class name="bean.Person"> 
  <field name="name"> 
   <bind-xml name="name" node="attribute" /> 
  </field> 
  <field name="dob"> 
   <bind-xml name="birthday" node="attribute" /> 
  </field> 
</class> 
</mapping> 

<?xml version="1.0"?>
<!DOCTYPE mapping PUBLIC "-//EXOLAB/Castor Mapping DTD Version 1.0//EN"
                         "http://castor.org/mapping.dtd">
<mapping>
<description>Basic mapping example</description>
<class name="bean.Staff">
  <map-to xml="Staff" />
  <field name="deptNO">
   <bind-xml name="deptNO" node="attribute" />
  </field>
  <field name="persons" type="bean.Person" collection="arraylist">
   <bind-xml name="Person" />
  </field>
</class>
<class name="bean.Person">
  <field name="name">
   <bind-xml name="name" node="attribute" />
  </field>
  <field name="dob">
   <bind-xml name="birthday" node="attribute" />
  </field>
</class>
</mapping> 
JavaBeanToXml.java



Java代码 
package Trans;  
 
import java.io.File;  
import java.io.FileOutputStream;  
import java.io.OutputStreamWriter;  
import java.util.ArrayList;  
import java.util.Date;  
 
import org.exolab.castor.mapping.Mapping;  
import org.exolab.castor.xml.Marshaller;  
import org.exolab.castor.xml.XMLContext;  
 
import bean.Person;  
import bean.Staff;  
 
public class JavaBeanToXml {  
   
public static void main(String[] args) {  
  Staff staff = new Staff();  
  staff.setDeptNO("MNN1");  
  Person p1 =new Person();  
  p1.setName("田中一郎");  
  p1.setDob(new Date());  
  Person p2 =new Person();  
  p2.setName("田中 二郎");  
  p2.setDob(new Date());  
  ArrayList<Person> pers =new ArrayList<Person>();  
  pers.add(p1);  
  pers.add(p2);  
  staff.setPersons(pers);  
  javaBeanToXml("D:\\fsdev\\workspace\\JavaBeanToXML\\src\\Trans\\maping.xml","C:\\Staff.xml",staff);  
}  
 
private static void javaBeanToXml(String mapingFile, String destFile, Staff staff) {  
  Mapping mapping = new Mapping();  
  try {  
   mapping.loadMapping(mapingFile);  
   XMLContext context = new XMLContext();  
   context.addMapping(mapping);  
 
   Marshaller marshaller = context.createMarshaller();  
   marshaller.setWriter(new OutputStreamWriter(new FileOutputStream(new File(destFile))));  
   marshaller.marshal(staff);  
  } catch (Exception e) {  
   e.printStackTrace();  
  }  
}  
} 

package Trans;

import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStreamWriter;
import java.util.ArrayList;
import java.util.Date;

import org.exolab.castor.mapping.Mapping;
import org.exolab.castor.xml.Marshaller;
import org.exolab.castor.xml.XMLContext;

import bean.Person;
import bean.Staff;

public class JavaBeanToXml {

public static void main(String[] args) {
  Staff staff = new Staff();
  staff.setDeptNO("MNN1");
  Person p1 =new Person();
  p1.setName("田中一郎");
  p1.setDob(new Date());
  Person p2 =new Person();
  p2.setName("田中 二郎");
  p2.setDob(new Date());
  ArrayList<Person> pers =new ArrayList<Person>();
  pers.add(p1);
  pers.add(p2);
  staff.setPersons(pers);
  javaBeanToXml("D:\\fsdev\\workspace\\JavaBeanToXML\\src\\Trans\\maping.xml","C:\\Staff.xml",staff);
}

private static void javaBeanToXml(String mapingFile, String destFile, Staff staff) {
  Mapping mapping = new Mapping();
  try {
   mapping.loadMapping(mapingFile);
   XMLContext context = new XMLContext();
   context.addMapping(mapping);

   Marshaller marshaller = context.createMarshaller();
   marshaller.setWriter(new OutputStreamWriter(new FileOutputStream(new File(destFile))));
   marshaller.marshal(staff);
  } catch (Exception e) {
   e.printStackTrace();
  }
}
} 




XMLJavaToBean.java

package Trans;

Java代码 
import java.io.FileReader;  
 
import org.exolab.castor.mapping.Mapping;  
import org.exolab.castor.xml.Unmarshaller;  
import org.exolab.castor.xml.XMLContext;  
 
import bean.Staff;  
 
public class XMLJavaToBean {  
   
public static void main(String[] args) {  
  Staff staff = xmlToJavaBean("D:\\fsdev\\workspace\\JavaBeanToXML\\src\\Trans\\maping.xml","C:\\Staff.xml");  
  System.out.println(staff);  
}  
 
private static Staff xmlToJavaBean(String mapingFile, String xmlFile) {  
  Mapping mapping = new Mapping();  
  try {  
   mapping.loadMapping(mapingFile);  
   XMLContext context = new XMLContext();  
   context.addMapping(mapping);  
   Unmarshaller unmarshaller = context.createUnmarshaller();  
   unmarshaller.setClass(Staff.class);  
   FileReader reader = new FileReader(xmlFile);  
     
   return (Staff)unmarshaller.unmarshal(reader);  
 
  } catch (Exception e) {  
   e.printStackTrace();  
  }  
  return new Staff();  
}  
 
}