/*
* Copyright 2011 JBoss, by Red Hat, Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jboss.errai.marshalling.client.marshallers;
import org.jboss.errai.common.client.protocols.SerializationParts;
import org.jboss.errai.marshalling.client.api.Marshaller;
import org.jboss.errai.marshalling.client.api.MarshallingSession;
import org.jboss.errai.marshalling.client.api.annotations.ClientMarshaller;
import org.jboss.errai.marshalling.client.api.annotations.ServerMarshaller;
import org.jboss.errai.marshalling.client.api.json.EJObject;
import org.jboss.errai.marshalling.client.api.json.EJString;
import org.jboss.errai.marshalling.client.api.json.EJValue;
import org.jboss.errai.marshalling.client.util.NumbersUtils;
/**
* This class is used to handle untyped Objects on the wire.
*
* @author Mike Brock <cbrock@redhat.com>
*/
@ClientMarshaller @ServerMarshaller
public class ObjectMarshaller extends AbstractJSONMarshaller<Object> {
@Override
public Class<Object> getTypeHandled() {
return Object.class;
}
@Override
public Object demarshall(EJValue o, MarshallingSession ctx) {
if (o.isNull()) {
return null;
}
else if (o.isObject() != null) {
EJObject jsObject = o.isObject();
EJString string = jsObject.get(SerializationParts.ENCODED_TYPE).isString();
if (string == null) {
return MapMarshaller.INSTANCE.demarshall(o, ctx);
}
if (jsObject.containsKey(SerializationParts.NUMERIC_VALUE)) {
return NumbersUtils.getNumber(string.stringValue(), jsObject.get(SerializationParts.NUMERIC_VALUE));
}
Marshaller<Object> marshaller = ctx.getMarshallerInstance(string.stringValue());
if (marshaller == null) {
throw new RuntimeException("marshalled type is unknown to the marshalling framework: " + string.stringValue());
}
return marshaller.demarshall(o, ctx);
}
else if (o.isArray() != null) {
return new ListMarshaller().demarshall(o, ctx);
}
else if (o.isString() != null) {
return o.isString().stringValue();
}
return null;
}
@Override
public String marshall(Object o, MarshallingSession ctx) {
if (o == null) {
return "null";
}
if ((o instanceof Number && !o.getClass().getName().startsWith("java.math.Big")) || o instanceof Boolean) {
return NumbersUtils.qualifiedNumericEncoding(o);
}
Marshaller<Object> marshaller = ctx.getMarshallerInstance(o.getClass().getName());
if (marshaller == null) {
throw new RuntimeException("marshalled type is unknown to the marshalling framework: " + o.getClass().getName());
}
return marshaller.marshall(o, ctx);
}
@Override
public boolean handles(EJValue o) {
return false;
}
}