ch.rasc.wampspring.message.CallResultMessage.java Source code

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Here is the source code for ch.rasc.wampspring.message.CallResultMessage.java

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/**
 * Copyright 2014-2015 Ralph Schaer <ralphschaer@gmail.com>
 *
 * 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 ch.rasc.wampspring.message;

import java.io.IOException;
import java.io.StringWriter;

import com.fasterxml.jackson.core.JsonFactory;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonToken;

/**
 * When the execution of the remote procedure finishes successfully, the server responds
 * by sending this message
 * <p>
 * Server-to-Client message
 *
 * @see <a href="http://wamp.ws/spec/wamp1/#callresult_message">WAMP specification</a>
 */
public class CallResultMessage extends WampMessage {
    private final String callID;

    private final Object result;

    public CallResultMessage(CallMessage callMessage, Object result) {
        super(WampMessageType.CALLRESULT);
        this.callID = callMessage.getCallID();
        this.result = result;

        setWebSocketSessionId(callMessage.getWebSocketSessionId());
        setPrincipal(callMessage.getPrincipal());
    }

    public CallResultMessage(JsonParser jp) throws IOException {
        super(WampMessageType.CALLRESULT);

        if (jp.nextToken() != JsonToken.VALUE_STRING) {
            throw new IOException();
        }
        this.callID = jp.getValueAsString();

        jp.nextToken();
        this.result = jp.readValueAs(Object.class);
    }

    public String getCallID() {
        return this.callID;
    }

    public Object getResult() {
        return this.result;
    }

    @Override
    public String toJson(JsonFactory jsonFactory) throws IOException {
        try (StringWriter sw = new StringWriter(); JsonGenerator jg = jsonFactory.createGenerator(sw)) {
            jg.writeStartArray();
            jg.writeNumber(getTypeId());
            jg.writeString(this.callID);
            jg.writeObject(this.result);
            jg.writeEndArray();
            jg.close();
            return sw.toString();
        }
    }

    @Override
    public String toString() {
        return "CallResultMessage [callID=" + this.callID + ", result=" + this.result + "]";
    }

}