Issues with derialization and deserialization of array

augustin rieunier Fri, 20 Oct 2006 11:40:50 -0700

Hello,
i have some issues with serializations.
One of my class is made of an array of another class.
Here is the class i'm talking about :

public class Category
{
    private int Id = 0;
    private String name;
    private CategoryInfo[] data;
    private int shared = 0;
    private int userid = 0;
   // methods here
}

public class CategoryInfo
{
    private int ownerId=0;
    private String name;
    private String type;
    private int userid=0;
   // methods here
}

One of my webservices will add the content of the Category class into a database.
It is in a class named SqlGenerator, in the package webservices.sql.generator.
Here is the function i'm calling :

public Category insert(Category obj, String str) throws Exception, InternalException
    {
        try
        {
            if (SqlMisc.checkUserIsConnect(SqlMisc.decode(str)) == 0)
                throw new Exception("Todo : add here an exception saying that the user is not connected");
            if (obj.getData() == null )
                throw new Exception("Todo : DATA = "">            if (obj.getData().length == 0 )
                throw new Exception("Todo : LENGTH = 0");
            CategoryGenerator cat = new CategoryGenerator();
            cat.setCategory(obj);
            obj.setId(cat.generateCategory());
            cat.generateCategoryInfo();
            DbConnection.getInstance ().getConnection().commit();
            return obj;
        }
        catch (InternalException e)
        {
            DbConnection.getInstance().getConnection().rollback();
            throw new InternalException( TablesExceptions.getInstance().getUserMessage(e.getMessage()));
        }
    }

I call my service by calling this function :
public static Category testAddCategory() throws Exception
    {
        Category cat = new Category();
        CategoryInfo catInfo = new CategoryInfo();
        CategoryInfo catInfo2 = new CategoryInfo();

        cat.setName("BBBBBBB");
        cat.setShared(0);
        cat.setUserid (1);
        catInfo.setName("NAME1");
        catInfo.setType("Text");
        catInfo2.setName("NAME2");
        catInfo2.setType("Doc");
        cat.setData(catInfo);
        cat.setData(catInfo2);
        System.out.println(cat.getData().length);
        try
           {
             String endpoint = " http://localhost:8080/axis/services/SqlGenerator ";

            Service service = new Service();
            Call     call    = (Call) service.createCall();
            QName    qn = new QName("ns:Category", "Category");
            call.registerTypeMapping(objects.Category.class, qn,
                    new org.apache.axis.encoding.ser

.BeanSerializerFactory(objects.Category.class, qn),
                    new org.apache.axis.encoding.ser.BeanDeserializerFactory (objects.Category.class, qn));
            QName    qn3 = new QName("ns:CategoryInfo", "CategoryInfo");
            call.registerTypeMapping(objects.CategoryInfo.class, qn3,
                    new org.apache.axis.encoding.ser.BeanSerializerFactory(objects.CategoryInfo.class, qn3),
                    new org.apache.axis.encoding.ser.BeanDeserializerFactory(objects.CategoryInfo.class, qn3));

            call.setTargetEndpointAddress( new java.net.URL(endpoint) );
            call.setOperationName(new QName(" http://webservices.sql.generator.SqlGenerator ", "insert"));
            call.addParameter("arg1", qn3, ParameterMode.IN);
            call.addParameter("arg2", XMLType.XSD_STRING, ParameterMode.IN);
            call.setReturnType ( qn);
            cat = (Category)(call.invoke( new Object[] {cat, encode("1:1:yahoo")} ));
            System.out.println("Result for TestAddCategory : " + cat.toString() + "'");
            return cat;
          }
           catch (Exception e) {
            System.err.println("error : ");
            e.printStackTrace();
          }
        return null;
    }

My wsd file is declare like this :
<deployment
    xmlns="http://xml.apache.org/axis/wsdd/ "
    xmlns:java=" http://xml.apache.org/axis/wsdd/providers/java">



<service name="SqlGenerator" provider="java:RPC" style="rpc" use="encoded">
       <parameter name="className" value="webservices.sql.generator.SqlGenerator"/>
        <parameter name="allowedMethods" value="*"/>
      <typeMapping
        xmlns:ns="http://exceptions"
        qname="ns:InternalException"
        type="java: exceptions.InternalException"
        serializer="org.apache.axis.encoding.ser.BeanSerializerFactory "
        deserializer="org.apache.axis.encoding.ser.BeanDeserializerFactory"
        encodingStyle=" http://schemas.xmlsoap.org/soap/encoding/ "
      />
      <typeMapping
        xmlns:ns="http://objects"
        qname="ns:CategoryInfo"
        type="java:objects.CategoryInfo"
        serializer="org.apache.axis.encoding.ser.BeanSerializerFactory"
        deserializer="org.apache.axis.encoding.ser.BeanDeserializerFactory"
        encodingStyle=" http://schemas.xmlsoap.org/soap/encoding/"
      />
      <typeMapping
        xmlns:ns="http://objects "
        qname="ns:Category"
        type="java: objects.Category"
        serializer="org.apache.axis.encoding.ser.BeanSerializerFactory"
        deserializer="org.apache.axis.encoding.ser.BeanDeserializerFactory"
        encodingStyle=" http://schemas.xmlsoap.org/soap/encoding/"
      />
      <arrayMapping
        xmlns:ns=" http://objects"
        qname="ns:ArrayOf_tns2_CategoryInfo"
        type="java:objects.CategoryInfo[]"
        innerType="cmp-ns:CategoryInfo" xmlns:cmp-ns=" http://objects "
        serializer="org.apache.axis.encoding.ser.BeanSerializerFactory"
        deserializer="org.apache.axis.encoding.ser.BeanDeserializerFactory"
        encodingStyle=" http://schemas.xmlsoap.org/soap/encoding/"
      />

</service>
</deployment>

When i call the service, the array received by the webservice is always empty, and so, it throws me the exception saying "Todo : LENGTH = 0"
How is it possible, since we can see that the content of the array is here in the soap message :

POST /axis/services/SqlGenerator HTTP/1.0
Content-Type: text/xml; charset=utf-8
Accept: application/soap+xml, application/dime, multipart/related, text/*
User-Agent: Axis/1.4
Host: 192.168.1.101:8080
Cache-Control: no-cache
Pragma: no-cache
SOAPAction: ""
Content-Length: 3016

<?xml version=" 1.0" encoding="UTF-8"?>
   <soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/ " xmlns:xsd=" http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance ">
      <soapenv:Body>
         <ns1:insert soapenv:encodingStyle=" http://schemas.xmlsoap.org/soap/encoding/" xmlns:ns1=" http://webservices.sql.generator.SqlGenerator ">
            <arg1 href="">            <arg2 xsi:type="xsd:string">:²Wd¶Òqç</arg2>
         </ns1:insert>
         <multiRef id="id0" soapenc:root="0" soapenv:encodingStyle=" http://schemas.xmlsoap.org/soap/encoding/" xsi:type="ns2:Category" xmlns:soapenc=" http://schemas.xmlsoap.org/soap/encoding/" xmlns:ns2="ns:Category">
            <data soapenc:arrayType="ns3:CategoryInfo[2]" xsi:type="soapenc:Array" xmlns:ns3="ns:CategoryInfo">
               <data href="">               <data href="">            </data>
            <id href="">            <name xsi:type="soapenc:string">BBBBBBB</name>
            <shared href="">            <userid href="">         </multiRef>
         <multiRef id="id5" soapenc:root="0" soapenv:encodingStyle=" http://schemas.xmlsoap.org/soap/encoding/" xsi:type="xsd:int" xmlns:soapenc=" http://schemas.xmlsoap.org/soap/encoding/ ">1</multiRef>
         <multiRef id="id2" soapenc:root="0" soapenv:encodingStyle=" http://schemas.xmlsoap.org/soap/encoding/ " xsi:type="ns4:CategoryInfo" xmlns:ns4="ns:CategoryInfo" xmlns:soapenc=" http://schemas.xmlsoap.org/soap/encoding/">
            <name xsi:type="soapenc:string">NAME2</name>
            <ownerId href="">            <type xsi:type="soapenc:string">Doc</type>
            <userid href="">         </multiRef>
         <multiRef id="id4" soapenc:root="0" soapenv:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/ " xsi:type="xsd:int" xmlns:soapenc=" http://schemas.xmlsoap.org/soap/encoding/">0</multiRef>
         <multiRef id="id1" soapenc:root="0" soapenv:encodingStyle=" http://schemas.xmlsoap.org/soap/encoding/" xsi:type="ns5:CategoryInfo" xmlns:ns5="ns:CategoryInfo" xmlns:soapenc=" http://schemas.xmlsoap.org/soap/encoding/">
            <name xsi:type="soapenc:string">NAME1</name>
            <ownerId href="">            <type xsi:type="soapenc:string">Text</type>
            <userid href="">         </multiRef>
         <multiRef id="id3" soapenc:root="0" soapenv:encodingStyle=" http://schemas.xmlsoap.org/soap/encoding/" xsi:type="xsd:int" xmlns:soapenc=" http://schemas.xmlsoap.org/soap/encoding/">0</multiRef>
         <multiRef id="id9" soapenc:root="0" soapenv:encodingStyle=" http://schemas.xmlsoap.org/soap/encoding/" xsi:type="xsd:int" xmlns:soapenc=" http://schemas.xmlsoap.org/soap/encoding/">0</multiRef>
         <multiRef id="id6" soapenc:root="0" soapenv:encodingStyle=" http://schemas.xmlsoap.org/soap/encoding/" xsi:type="xsd:int" xmlns:soapenc=" http://schemas.xmlsoap.org/soap/encoding/ ">0</multiRef>
         <multiRef id="id7" soapenc:root="0" soapenv:encodingStyle=" http://schemas.xmlsoap.org/soap/encoding/ " xsi:type="xsd:int" xmlns:soapenc="http://schemas.xmlsoap.org/soap/encoding/ ">0</multiRef>
         <multiRef id="id8" soapenc:root="0" soapenv:encodingStyle=" http://schemas.xmlsoap.org/soap/encoding/" xsi:type="xsd:int" xmlns:soapenc=" http://schemas.xmlsoap.org/soap/encoding/ ">0</multiRef>
      </soapenv:Body>
   </soapenv:Envelope>

I hope someone will be able to help me on this !
Best regards, and thanks in advance.

Issues with derialization and deserialization of array

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