import org.exolab.castor.mapping.Mapping;
import org.exolab.castor.xml.Marshaller;
import org.exolab.castor.xml.Unmarshaller;
import org.w3c.dom.Document;
import org.xml.sax.InputSource;
1)
public class JasperReportUtil {
/**
* 将DTO转换成XML数据
* @param obj DTO对象
* @param encoding编码格式
* @return xml字符串
*/
public static String convertDTOtoXML(Object obj,String encoding) {
Mapping mapping = new Mapping();
try {
InputStream mappingFileIn = PrintContractDto.class.getClassLoader().getResourceAsStream("print/dto/PrintContract.xml");
mapping.loadMapping(new InputSource(mappingFileIn));
//1)dto转换成xml
StringWriter sw = new StringWriter();
long startTime = System.currentTimeMillis();
Marshaller marshaller = new Marshaller(sw);
marshaller.setMapping(mapping);
marshaller.setEncoding(encoding);
marshaller.marshal(obj);
sw.flush();
long endTime = System.currentTimeMillis();
System.out.println("DTO装化为XML用时：" + (endTime - startTime) + " ms");
//2xml文件转换成dto
Unmarshaller unmarshaller = new Unmarshaller(mapping);
PrintContractDto stuDist = (PrintContractDto) unmarshaller.unmarshal(new StringReader(sw.toString()));
return sw.toString();
} catch (Exception ex) {
System.out.println("单证对象转化为xml数据出错");
}
return null;
}
}
2) 下面是对应的PrintContract.xml文件内容:
<!DOCTYPE mapping PUBLIC
"-//EXOLAB/Castor Object Mapping DTD Version 1.0//EN"
"http://castor.exolab.org/mapping.dtd">
<mapping>
<description>Used for com.siyuan.castor.Student</description>
<class name="print.dto.PrintContractDto" auto-complete="true">
<map-to xml="Contract"/>
<field name="riskGroup" type="print.dto.RiskGroup" get-method="getRiskGroup" set-method="setRiskGroup">
<bind-xml name="riskGroup2" node="element"/>
</field>
</class>
<class name="print.dto.RiskGroup" auto-complete="true">
<field name="planInfoList"
collection="arraylist"
type="print.dto.PlanDto"
get-method="getPlanInfoList"
set-method="setPlanInfoList">
<bind-xml name="planInfoList2" node="element"/>
</field>
</class>
</mapping>
