三天来我一直在努力从我的回复中获取复杂类型(列表),但总是收到 ClassCastException
D/SOAPEnvelope(1552): Error: java.lang.ClassCastException: org.ksoap2.serialization.SoapObject cannot be cast to com.example.webservice.ResponsiblepartyGetResponse
我经常阅读几个链接的页面/教程,我几乎可以记住它们,包括这四个非常有用的页面:
- http://seesharpgears.blogspot.de/2010/10/web-service-that-returns-array-of.html
- http://code.google.com/p/ksoap2-android/wiki/CodingTipsAndTricks#sending/receiving_array_of_complex_types_or_primitives
- ksoap2 Receive Array of complex objects via SOAP
- How to parse this Web service response in Android?
还有更多,但我还是不明白:(
我希望我能为您提供所需的所有信息,以向我展示我的错误并提示我解决它。 Web 服务已经在富客户端应用程序中成功实现,我现在必须使用相同的 Web 服务构建一个 Android 应用程序。
我的第一步是处理“responsibleparty_get”响应。
我的回复看起来像这样(限制为 3 个,但可以更多/更少)。注意:“responsiblePartyFacades”还有两个附加属性对于这些响应来说只是 null(请参阅下面的 JAVADOC)。
responsibleparty_getResponse{
responsiblePartyFacades=anyType{
id=1;
name=hans;
discriminator=person;
admin=false;
};
responsiblePartyFacades=anyType{
id=2;
name=dieter;
discriminator=person;
admin=false;
};
responsiblePartyFacades=anyType{
id=3;
name=stefan;
discriminator=person;
admin=false;
};
}
相关的 XML 如下所示(来自 SoapUI):
<S:Envelope xmlns:S="http://schemas.xmlsoap.org/soap/envelope/">
<S:Body>
<ns2:responsibleparty_getResponse xmlns:ns2="http://ws.my-url.com/">
<responsiblePartyFacades>
<id>1</id>
<name>hans</name>
<discriminator>person</discriminator>
<admin>false</admin>
</responsiblePartyFacades>
<responsiblePartyFacades>
<id>2</id>
<name>dieter</name>
<discriminator>person</discriminator>
<admin>false</admin>
</responsiblePartyFacades>
<responsiblePartyFacades>
<id>3</id>
<name>stefan</name>
<discriminator>person</discriminator>
<admin>false</admin>
</responsiblePartyFacades>
</ns2:responsibleparty_getResponse>
</S:Body>
</S:Envelope>
从我们的 JAVADOC(富客户端)来看,responsiblePartyFacades 看起来是一样的:
* <complexType name="responsiblePartyFacade">
* <complexContent>
* <restriction base="{http://www.w3.org/2001/XMLSchema}anyType">
* <sequence>
* <element name="id" type="{http://www.w3.org/2001/XMLSchema}int" minOccurs="0"/>
* <element name="name" type="{http://www.w3.org/2001/XMLSchema}string" minOccurs="0"/>
* <element name="discriminator" type="{http://www.w3.org/2001/XMLSchema}string" minOccurs="0"/>
* <element name="admin" type="{http://www.w3.org/2001/XMLSchema}boolean" minOccurs="0"/>
* <element name="children" type="{http://ws.my-url.com/}pairIntBoolFacade" maxOccurs="unbounded" minOccurs="0"/>
* <element name="plantcomponents" type="{http://www.w3.org/2001/XMLSchema}int" maxOccurs="unbounded" minOccurs="0"/>
* </sequence>
* </restriction>
* </complexContent>
* </complexType>
到目前为止,一切都很好。
我编写了这些类来处理响应:
责任方获取响应
public class ResponsiblepartyGetResponse extends Vector<ResponsiblePartyFacade> implements KvmSerializable {
private static final long serialVersionUID = -8065084038519643055L;
@Override
public Object getProperty(int index) {
return this.get(index);
}
@Override
public int getPropertyCount() {
return this.size();
}
@Override
public void getPropertyInfo(int index, Hashtable properties, PropertyInfo info) {
info.name = "ResponsiblePartyFacades";
info.type = new ResponsiblePartyFacade().getClass();
}
@Override
public void setProperty(int index, Object value) {
// add ResponsiblePartyFacade to vector
this.add((ResponsiblePartyFacade) value);
}
}
ResponsiblePartyFacade:现在我注释掉了 vecor-items,因为它们不在响应中,因为我认为它可能有效(因为网络上有几个博客说 ksoap2 矢量不起作用)。
public final class ResponsiblePartyFacade implements KvmSerializable {
private Integer id;
private String name;
private String discriminator;
private Boolean admin;
// private List<PairIntBoolFacade> children; // not used
// private List<Integer> plantcomponents; // not used
public ResponsiblePartyFacade() {
}
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getDiscriminator() {
return discriminator;
}
public void setDiscriminator(String discriminator) {
this.discriminator = discriminator;
}
public Boolean getAdmin() {
return admin;
}
public void setAdmin(Boolean admin) {
this.admin = admin;
}
/*
public List<PairIntBoolFacade> getChildren() {
if (children == null) {
children = new ArrayList<PairIntBoolFacade>();
}
return children;
}
public void setChildren(List<PairIntBoolFacade> children) {
this.children = children;
}
public List<Integer> getPlantcomponents() {
if (plantcomponents == null) {
plantcomponents = new ArrayList<Integer>();
}
return plantcomponents;
}
public void setPlantcomponents(List<Integer> plantcomponents) {
this.plantcomponents = plantcomponents;
}
*/
public int getPropertyCount() {
return 4;
}
public Object getProperty(int __index) {
switch(__index) {
case 0: return id;
case 1: return name;
case 2: return discriminator;
case 3: return admin;
//case 4: return children;
//case 5: return plantcomponents;
}
return null;
}
public void setProperty(int __index, Object value) {
switch(__index) {
case 0: id = Integer.parseInt(value.toString()); break;
case 1: name = value.toString(); break;
case 2: discriminator = value.toString(); break;
case 3: admin = Boolean.parseBoolean(value.toString()); break;
//case 4: children = (List) __obj; break;
//case 5: plantcomponents = (List) __obj; break;
}
}
public void getPropertyInfo(int __index, Hashtable __table, PropertyInfo __info) {
switch(__index) {
case 0:
__info.name = "id";
__info.type = Integer.class; break;
case 1:
__info.name = "name";
__info.type = String.class; break;
case 2:
__info.name = "discriminator";
__info.type = String.class; break;
case 3:
__info.name = "admin";
__info.type = Boolean.class; break;
/*
case 4:
__info.name = "children";
__info.type = PropertyInfo.VECTOR_CLASS;
case 5:
__info.name = "plantcomponents";
__info.type = PropertyInfo.VECTOR_CLASS;
*/
}
}
}
这是我的网络服务调用:
SoapObject request = new SoapObject(NAMESPACE, METHOD_NAME);
// For testing I only want to have 3 results
request.addProperty("limit", "3");
SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(SoapEnvelope.VER11);
envelope.setOutputSoapObject(request);
// add mapping
// ResponsiblepartyGetResponse got namespace in XML
envelope.addMapping(NAMESPACE, "ResponsiblepartyGetResponse", new ResponsiblepartyGetResponse().getClass());
// ResponsiblePartyFacades doesn't have namespace. I also tried to add namespace, but same result
envelope.addMapping("", "ResponsiblePartyFacades", new ResponsiblePartyFacade().getClass());
ResponsiblepartyGetResponse result = new ResponsiblepartyGetResponse();
try {
AuthTransportSE androidHttpTransport = new AuthTransportSE(URL, USERNAME, PASSWORD);
androidHttpTransport.debug = true;
androidHttpTransport.call(SOAP_ACTION, envelope);
// this shows me my result as a string, see above
System.out.println(envelope.bodyIn.toString());
// Trying to case the response -> Exception
result = (ResponsiblepartyGetResponse) envelope.bodyIn;
} catch (Exception e){
Log.d("SOAPEnvelope", "Error: "+e.toString());
}
return result;
正如一些教程所示,我也尝试手动解析响应。但为此,响应必须像这样转换为“SoapObject”
SoapObject response = (SoapObject)envelope.getResponse();
当我这样做时,我得到以下异常:
05-11 07:09:56.389: D/SOAPEnvelope(2209): Error: java.lang.ClassCastException: java.util.Vector cannot be cast to org.ksoap2.serialization.SoapObject
05-11 07:09:56.402: D/SOAPEnvelope(2209): java.lang.ArrayIndexOutOfBoundsException: length=0; index=0
有人可以给我提示吗?
最佳答案
在又绝望了一天之后,我在 java.lang.ClassCastException: org.ksoap2.serialization.SoapObject 中找到了一种可以追溯到“misco”的灵魂。
我不再尝试转换响应,而是自己手动构建列表:
androidHttpTransport.call(SOAP_ACTION, envelope);
ArrayList<ResponsiblePartyFacades> returnlist = new ArrayList<ResponsiblePartyFacades>();
java.util.Vector<SoapObject> rs = (java.util.Vector<SoapObject>) envelope.getResponse();
if (rs != null)
{
for (SoapObject cs : rs)
{
ResponsiblePartyFacades rp = new ResponsiblePartyFacades();
rp.setId(Integer.parseInt(cs.getProperty(0).toString()));
rp.setName(cs.getProperty(1).toString());
rp.setDiscriminator(cs.getProperty(2).toString());
rp.setAdmin(Boolean.parseBoolean(cs.getProperty(3).toString()));
Log.d("WS", "ID = "+rp.getId() +" name = "+rp.getName()+" disc = "+rp.getDiscriminator()+" admin = "+rp.getAdmin().toString() );
returnlist.add(rp);
}
}
关于android - KSOAP2 处理复杂响应(向量),我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/16494823/