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JAXRPC Reference Implementation
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package com.sun.xml.rpc.encoding.literal;
import javax.activation.DataHandler;
import javax.xml.namespace.QName;
import com.sun.xml.rpc.encoding.CombinedSerializer;
import com.sun.xml.rpc.encoding.DeserializationException;
import com.sun.xml.rpc.encoding.SOAPDeserializationContext;
import com.sun.xml.rpc.encoding.SOAPDeserializationState;
import com.sun.xml.rpc.encoding.SOAPInstanceBuilder;
import com.sun.xml.rpc.encoding.SOAPSerializationContext;
import com.sun.xml.rpc.encoding.SerializationException;
import com.sun.xml.rpc.encoding.SerializerBase;
import com.sun.xml.rpc.encoding.SerializerCallback;
import com.sun.xml.rpc.encoding.SerializerConstants;
import com.sun.xml.rpc.encoding.xsd.XSDConstants;
import com.sun.xml.rpc.streaming.Attributes;
import com.sun.xml.rpc.streaming.XMLReader;
import com.sun.xml.rpc.streaming.XMLReaderUtil;
import com.sun.xml.rpc.streaming.XMLWriter;
import com.sun.xml.rpc.streaming.XMLWriterUtil;
import com.sun.xml.rpc.util.exception.JAXRPCExceptionBase;
import com.sun.xml.rpc.util.exception.LocalizableExceptionAdapter;
/**
*
* @author JAX-RPC Development Team
*/
public abstract class LiteralObjectSerializerBase
implements SerializerConstants, CombinedSerializer {
protected QName type;
protected boolean isNullable;
protected String encodingStyle;
protected boolean encodeType = false;
protected LiteralObjectSerializerBase(
QName type,
boolean isNullable,
String encodingStyle) {
init(type, isNullable, encodingStyle, false);
}
protected LiteralObjectSerializerBase(
QName type,
boolean isNullable,
String encodingStyle,
boolean encodeType) {
init(type, isNullable, encodingStyle, encodeType);
}
private void init(
QName type,
boolean isNullable,
String encodingStyle,
boolean encodeType) {
if (type == null) {
throw new IllegalArgumentException();
}
this.type = type;
this.isNullable = isNullable;
this.encodingStyle = encodingStyle;
this.encodeType = encodeType;
}
public QName getXmlType() {
return type;
}
public boolean getEncodeType() {
return false;
}
public CombinedSerializer getInnermostSerializer() {
return this;
}
public boolean isNullable() {
return isNullable;
}
public String getEncodingStyle() {
return encodingStyle;
}
public void serialize(
Object value,
QName name,
SerializerCallback callback,
XMLWriter writer,
SOAPSerializationContext context) {
try {
internalSerialize(value, name, writer, context);
} catch (SerializationException e) {
throw e;
} catch (JAXRPCExceptionBase e) {
throw new SerializationException(e);
} catch (Exception e) {
throw new SerializationException(
new LocalizableExceptionAdapter(e));
}
}
public Object deserialize(
QName name,
XMLReader reader,
SOAPDeserializationContext context) {
try {
return internalDeserialize(name, reader, context);
} catch (DeserializationException e) {
throw e;
} catch (JAXRPCExceptionBase e) {
throw new DeserializationException(e);
} catch (Exception e) {
throw new DeserializationException(
new LocalizableExceptionAdapter(e));
}
}
public Object deserialize(
DataHandler dataHandler,
SOAPDeserializationContext context)
throws DeserializationException, UnsupportedOperationException {
throw new UnsupportedOperationException();
}
protected void internalSerialize(
Object obj,
QName name,
XMLWriter writer,
SOAPSerializationContext context)
throws Exception {
context.beginSerializing(obj);
writer.startElement((name != null) ? name : type);
boolean pushedEncodingStyle = false;
if (encodingStyle != null)
pushedEncodingStyle =
context.pushEncodingStyle(encodingStyle, writer);
if (encodeType) {
String attrVal = XMLWriterUtil.encodeQName(writer, type);
writer.writeAttributeUnquoted(XSDConstants.QNAME_XSI_TYPE, attrVal);
}
if (obj == null) {
if (!isNullable) {
throw new SerializationException("literal.unexpectedNull");
}
writer.writeAttributeUnquoted(XSDConstants.QNAME_XSI_NIL, "1");
} else {
writeAdditionalNamespaceDeclarations(obj, writer);
doSerializeAttributes(obj, writer, context);
doSerialize(obj, writer, context);
}
writer.endElement();
if (pushedEncodingStyle) {
context.popEncodingStyle();
}
context.doneSerializing(obj);
}
protected Object internalDeserialize(
QName name,
XMLReader reader,
SOAPDeserializationContext context)
throws Exception {
boolean pushedEncodingStyle = context.processEncodingStyle(reader);
try {
context.verifyEncodingStyle(encodingStyle);
if (name != null) {
QName actualName = reader.getName();
if (!actualName.equals(name)) {
throw new DeserializationException(
"xsd.unexpectedElementName",
new Object[] { name.toString(), actualName.toString()});
}
}
verifyType(reader);
Attributes attrs = reader.getAttributes();
String nullVal = attrs.getValue(XSDConstants.URI_XSI, "nil");
boolean isNull =
(nullVal != null && SerializerBase.decodeBoolean(nullVal));
Object obj = null;
if (isNull) {
if (!isNullable) {
throw new DeserializationException("xsd.unexpectedNull");
}
reader.next();
} else {
obj = doDeserialize(reader, context);
}
XMLReaderUtil.verifyReaderState(reader, XMLReader.END);
return obj;
} finally {
if (pushedEncodingStyle) {
context.popEncodingStyle();
}
}
}
protected void verifyType(XMLReader reader) throws Exception {
QName actualType = getType(reader);
if (actualType != null) {
if (!actualType.equals(type) && !isAcceptableType(actualType)) {
throw new DeserializationException(
"xsd.unexpectedElementType",
new Object[] { type.toString(), actualType.toString()});
}
}
}
protected boolean isAcceptableType(QName actualType) {
return false;
}
protected void writeAdditionalNamespaceDeclarations(
Object obj,
XMLWriter writer)
throws Exception {
}
protected abstract void doSerialize(
Object obj,
XMLWriter writer,
SOAPSerializationContext context)
throws Exception;
protected abstract void doSerializeAttributes(
Object obj,
XMLWriter writer,
SOAPSerializationContext context)
throws Exception;
protected abstract Object doDeserialize(
XMLReader reader,
SOAPDeserializationContext context)
throws Exception;
public String getMechanismType() {
return com.sun.xml.rpc.encoding.EncodingConstants.JAX_RPC_RI_MECHANISM;
}
public static QName getType(XMLReader reader) throws Exception {
QName type = null;
Attributes attrs = reader.getAttributes();
String typeVal = attrs.getValue(XSDConstants.URI_XSI, "type");
if (typeVal != null) {
type = XMLReaderUtil.decodeQName(reader, typeVal);
}
return type;
}
public static SOAPDeserializationState registerWithMemberState(
Object instance,
SOAPDeserializationState state,
Object member,
int memberIndex,
SOAPInstanceBuilder builder) {
try {
SOAPDeserializationState deserializationState;
if (state == null) {
deserializationState = new SOAPDeserializationState();
} else {
deserializationState = state;
}
deserializationState.setInstance(instance);
if (deserializationState.getBuilder() == null) {
if (builder == null) {
throw new IllegalArgumentException();
}
deserializationState.setBuilder(builder);
}
SOAPDeserializationState memberState =
(SOAPDeserializationState) member;
memberState.registerListener(deserializationState, memberIndex);
return deserializationState;
} catch (JAXRPCExceptionBase e) {
throw new DeserializationException(e);
} catch (Exception e) {
throw new DeserializationException(
new LocalizableExceptionAdapter(e));
}
}
}
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