Hi,
Anjib Mulepati wrote:
> Hi All,
>
> I have following classes and XML file
>
> public class CodeCatalog {
> CodeTable codeList;
> //getter and setter
> }
>
> public class CodeTable {
> private String name;
> private List<CodeInfo> codeInfoList = new ArrayList<CodeInfo>();
> //getter and setter
> }
>
> public class CodeInfo {
> private String code;
> private String name;
> private String description;
> //getter and setter
> }
>
> <?xml version="1.0" encoding="UTF-8"?>
> <codecatalog>
> <codetable name="sample1">
> <codeinfo>
> <code>123</code>
> <name>Test</name>
> <description>Test code name 1</description>
> </codeinfo>
> <codeinfo>
> <code>456</code>
> <name>Beta</name>
> <description>Test code name 2</description>
> </codeinfo>
> </codetable>
> </codecatalog>
>
> And I have following main class
>
> public class ConvertApp {
> public static void main(String[] args) {
> File file = new File("C:\\sampleXML.xml");
> XStream xstream = new XStream();
> xstream.alias("codecatalog", CodeCatalog.class);
> xstream.alias("codetable", CodeTable.class);
> xstream.alias("codeinfo", CodeInfo.class);
> xstream.useAttributeFor(CodeTable.class, "name");
> xstream.addImplicitCollection(CodeTable.class, "codeInfoList");
> CodeCatalog codeCatalog = (CodeCatalog)xstream.fromXML(file);
>
System.out.println(codeCatalog.getCodeList().getCodeInfoList().get(1).
> getCode());
> System.out.println(codeCatalog.getCodeList().getName());
> }
> }
>
> I am getting following error
>
> Exception in thread "main"
>
com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter$U
> nknownFieldException: No such field com.anjib.lab.CodeCatalog.codelist
> ---- Debugging information ----
> field : codelist
> class : com.anjib.lab.CodeCatalog
> required-type : com.anjib.lab.CodeCatalog
> converter-type :
> com.thoughtworks.xstream.converters.reflection.ReflectionConverter
> path : /codecatalog/codelist
> line number : 3
> version : 1.4.5
> -------------------------------
> at
>
com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.h
> andleUnknownField(AbstractReflectionConverter.java:485)
> at
>
com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.d
> oUnmarshal(AbstractReflectionConverter.java:341)
> at
>
com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.u
> nmarshal(AbstractReflectionConverter.java:247)
> at
>
com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java
> :72)
> at
>
com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(Abstract
> ReferenceUnmarshaller.java:65)
> at
>
com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshall
> er.java:66)
> at
>
com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshall
> er.java:50)
> at
>
com.thoughtworks.xstream.core.TreeUnmarshaller.start(TreeUnmarshaller.java:1
> 34)
> at
>
com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.unmarshal(Abst
> ractTreeMarshallingStrategy.java:32)
> at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1156)
> at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1140)
> at com.thoughtworks.xstream.XStream.fromXML(XStream.java:1104)
> at com.thoughtworks.xstream.XStream.fromXML(XStream.java:1046)
> at com.anjib.lab.ConvertApp.main(ConvertApp.java:17)
>
> What I am doing wrong?
Your collection is not implicit in the XML. Please read the following
advice: http://xstream.codehaus.org/faq.html#XML_unmarshalling_fails
Cheers,
Jörg
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