/*
* Copyright (C) 2011 Red Hat, Inc. and/or its affiliates.
*
* 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.server.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.json.EJValue;
import java.lang.reflect.Array;
/**
* @author Mike Brock
*/
public class DefaultEnumMarshaller implements Marshaller<Enum> {
private final Class enumType;
public DefaultEnumMarshaller(final Class enumType) {
this.enumType = enumType;
}
public Enum demarshall(final EJValue a0, final MarshallingSession a1) {
try {
if (a0.isNull()) {
return null;
}
return Enum.valueOf(enumType, a0.isObject().get(SerializationParts.ENUM_STRING_VALUE).isString().stringValue());
}
catch (Throwable t) {
t.printStackTrace();
throw new RuntimeException("error demarshalling enum: " + enumType.getName(), t);
}
}
public String marshall(final Enum a0, final MarshallingSession a1) {
if (a0 == null) {
return "null";
}
if (a1.hasObject(a0)) {
return new StringBuilder().append("{\"" + SerializationParts.ENCODED_TYPE + "\":\"" + enumType.getName()
+ "\",\"" + SerializationParts.OBJECT_ID + "\":\"").append(a1.getObject(a0)).append("\"}").toString();
}
return new StringBuilder().append("{\"" + SerializationParts.ENCODED_TYPE + "\":\"" + enumType.getName()
+ "\","
+ "\"" + SerializationParts.OBJECT_ID + "\":\"" + a1.getObject(a0) + "\""
+ ",\"" + SerializationParts.ENUM_STRING_VALUE + "\":\"").append(a0.name()).append("\"}").toString();
}
@Override
public Enum[] getEmptyArray() {
return (Enum[]) Array.newInstance(enumType, 0);
}
}