我在使用GeneralizedFieldHandler自定义Field的handler时，marshall成功，unmarshall却报错，不求甚解啊。
下面是代码以及输出结果，希望高手能帮忙解答，不甚感激。
代码由JAVABEAN : Root.java , GeneralizedFieldHandler : DivDateHandler ,
Mapping File : Root.cst.xml 以及 Test File : DivCastorTest
结尾为DivCastorTest输出结果
[code="java"]
- Root.java package com.siyuan.castor;
import java.util.Date;
/**
- This class
- @author Carro.Zhu
-
@version $Revision$, $Date$, $Author$, $Name$
*/
public class Root {private Date date;
public Root() {
}
/**
- @return the date */ public Date getDate() { return date; }
/**
- @param date
- the date to set */ public void setDate(Date date) { this.date = date; }
@Override
public String toString() {
return "ROOT[Date = " + date + "]";
}
}
[/code]
[code="java"]
- DivDateHandler.java package com.siyuan.castor.handler;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import org.exolab.castor.mapping.GeneralizedFieldHandler;
/**
- This class
- @author Carro.Zhu
-
@version $Revision$, $Date$, $Author$, $Name$
*/
public class DivDateHandler extends GeneralizedFieldHandler {private static final String LOCAL_DATE_FORMAT = "yyyy-MM-dd";
@Override
public Object convertUponGet(Object value) {
if (value == null)
return null;
DateFormat dateFmt = new SimpleDateFormat(LOCAL_DATE_FORMAT);
return dateFmt.format((Date) value);
}@Override
public Object convertUponSet(Object value) {
if (value == null)
return null;
DateFormat dateFmt = new SimpleDateFormat(LOCAL_DATE_FORMAT);
Date date = null;
try {
date = dateFmt.parse((String) value);
} catch (ParseException e) {
throw new IllegalArgumentException(e);
}
return date;
}@Override
public Class getFieldType() {
return Date.class;
}
}
[/code]
[code="xml"]
<?xml version="1.0"?>
handler="com.siyuan.castor.handler.DivDateHandler">
[/code]
[code="java"]
- DivCastorTest.java package com.siyuan.castor.test;
import java.io.IOException;
import java.io.InputStream;
import java.io.StringReader;
import java.io.StringWriter;
import java.util.Date;
import org.exolab.castor.mapping.Mapping;
import org.exolab.castor.mapping.MappingException;
import org.exolab.castor.xml.MarshalException;
import org.exolab.castor.xml.Marshaller;
import org.exolab.castor.xml.Unmarshaller;
import org.exolab.castor.xml.ValidationException;
import org.xml.sax.InputSource;
import com.siyuan.castor.Root;
/**
- This class
- @author Carro.Zhu
-
@version $Revision$, $Date$, $Author$, $Name$
*/
public class DivCastorTest {/**
-
@param args
*/
public static void main(String[] args) {
Root root = new Root();
root.setDate(new Date());Mapping mapping = new Mapping();
InputStream mappingFileIn = DivCastorTest.class
.getResourceAsStream("/com/siyuan/castor/Root.cst.xml");
mapping.loadMapping(new InputSource(mappingFileIn));Marshaller marshaller = new Marshaller();
StringWriter result = new StringWriter();
Unmarshaller unmarshaller = new Unmarshaller();
try {
marshaller.setMapping(mapping);
marshaller.setWriter(result);
marshaller.marshal(root);
System.out.println(result);unmarshaller.setMapping(mapping); Root rootParsed = (Root) unmarshaller.unmarshal(new StringReader( result.toString())); System.out.println(rootParsed);} catch (MappingException e) {
e.printStackTrace();
} catch (MarshalException e) {
e.printStackTrace();
} catch (ValidationException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
-
}
[/code]
输出结果：
[code="java"]
<?xml version="1.0" encoding="UTF-8"?>
org.exolab.castor.xml.MarshalException: Bad DateTime format: 2011-08-02
DateTime is not long enough{File: ; line: 2; column: 26}
at org.exolab.castor.xml.Unmarshaller.convertSAXExceptionToMarshalException(Unmarshaller.java:755)
at org.exolab.castor.xml.Unmarshaller.unmarshal(Unmarshaller.java:721)
at org.exolab.castor.xml.Unmarshaller.unmarshal(Unmarshaller.java:610)
at com.siyuan.castor.test.DivCastorTest.main(DivCastorTest.java:55)
Caused by: java.lang.IllegalStateException: Bad DateTime format: 2011-08-02
DateTime is not long enough
at org.exolab.castor.xml.handlers.DateFieldHandler.setValue(DateFieldHandler.java:173)
at org.exolab.castor.xml.UnmarshalHandler.processAttribute(UnmarshalHandler.java:3026)
at org.exolab.castor.xml.UnmarshalHandler.processAttributes(UnmarshalHandler.java:2676)
at org.exolab.castor.xml.UnmarshalHandler.startElement(UnmarshalHandler.java:1638)
at org.exolab.castor.xml.UnmarshalHandler.startElement(UnmarshalHandler.java:1353)
at org.apache.xerces.parsers.SAXParser.startElement(SAXParser.java:1376)
at org.apache.xerces.validators.common.XMLValidator.callStartElement(XMLValidator.java:1284)
at org.apache.xerces.framework.XMLDocumentScanner.scanElement(XMLDocumentScanner.java:1806)
at org.apache.xerces.framework.XMLDocumentScanner$ContentDispatcher.dispatch(XMLDocumentScanner.java:949)
at org.apache.xerces.framework.XMLDocumentScanner.parseSome(XMLDocumentScanner.java:381)
at org.apache.xerces.framework.XMLParser.parse(XMLParser.java:1098)
at org.exolab.castor.xml.Unmarshaller.unmarshal(Unmarshaller.java:709)
... 2 more
Caused by: java.lang.IllegalStateException: Bad DateTime format: 2011-08-02
DateTime is not long enough
at org.exolab.castor.xml.handlers.DateFieldHandler.setValue(DateFieldHandler.java:173)
at org.exolab.castor.xml.UnmarshalHandler.processAttribute(UnmarshalHandler.java:3026)
at org.exolab.castor.xml.UnmarshalHandler.processAttributes(UnmarshalHandler.java:2676)
at org.exolab.castor.xml.UnmarshalHandler.startElement(UnmarshalHandler.java:1638)
at org.exolab.castor.xml.UnmarshalHandler.startElement(UnmarshalHandler.java:1353)
at org.apache.xerces.parsers.SAXParser.startElement(SAXParser.java:1376)
at org.apache.xerces.validators.common.XMLValidator.callStartElement(XMLValidator.java:1284)
at org.apache.xerces.framework.XMLDocumentScanner.scanElement(XMLDocumentScanner.java:1806)
at org.apache.xerces.framework.XMLDocumentScanner$ContentDispatcher.dispatch(XMLDocumentScanner.java:949)
at org.apache.xerces.framework.XMLDocumentScanner.parseSome(XMLDocumentScanner.java:381)
at org.apache.xerces.framework.XMLParser.parse(XMLParser.java:1098)
at org.exolab.castor.xml.Unmarshaller.unmarshal(Unmarshaller.java:709)
at org.exolab.castor.xml.Unmarshaller.unmarshal(Unmarshaller.java:610)
at com.siyuan.castor.test.DivCastorTest.main(DivCastorTest.java:55)
Caused by: java.lang.IllegalStateException: Bad DateTime format: 2011-08-02
DateTime is not long enough
at org.exolab.castor.xml.handlers.DateFieldHandler.setValue(DateFieldHandler.java:173)
at org.exolab.castor.xml.UnmarshalHandler.processAttribute(UnmarshalHandler.java:3026)
at org.exolab.castor.xml.UnmarshalHandler.processAttributes(UnmarshalHandler.java:2676)
at org.exolab.castor.xml.UnmarshalHandler.startElement(UnmarshalHandler.java:1638)
at org.exolab.castor.xml.UnmarshalHandler.startElement(UnmarshalHandler.java:1353)
at org.apache.xerces.parsers.SAXParser.startElement(SAXParser.java:1376)
at org.apache.xerces.validators.common.XMLValidator.callStartElement(XMLValidator.java:1284)
at org.apache.xerces.framework.XMLDocumentScanner.scanElement(XMLDocumentScanner.java:1806)
at org.apache.xerces.framework.XMLDocumentScanner$ContentDispatcher.dispatch(XMLDocumentScanner.java:949)
at org.apache.xerces.framework.XMLDocumentScanner.parseSome(XMLDocumentScanner.java:381)
at org.apache.xerces.framework.XMLParser.parse(XMLParser.java:1098)
at org.exolab.castor.xml.Unmarshaller.unmarshal(Unmarshaller.java:709)
at org.exolab.castor.xml.Unmarshaller.unmarshal(Unmarshaller.java:610)
at com.siyuan.castor.test.DivCastorTest.main(DivCastorTest.java:55)
[/code]
