com.almende.eve.protocol.jsonrpc.formats.JSONMessage.java Source code

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Here is the source code for com.almende.eve.protocol.jsonrpc.formats.JSONMessage.java

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/*
 * Copyright: Almende B.V. (2014), Rotterdam, The Netherlands
 * License: The Apache Software License, Version 2.0
 */
package com.almende.eve.protocol.jsonrpc.formats;

import java.io.Serializable;

import com.almende.util.jackson.JOM;
import com.fasterxml.jackson.databind.JsonNode;

/**
 * The Class JSONMessage.
 */
public abstract class JSONMessage implements Serializable {

    private static final long serialVersionUID = -3324436908445901707L;
    protected static final String JSONRPC = "jsonrpc";
    protected static final String ID = "id";
    protected static final String METHOD = "method";
    protected static final String PARAMS = "params";
    protected static final String ERROR = "error";
    protected static final String RESULT = "result";
    protected static final String URL = "url";
    protected static final String CALLBACK = "callback";
    protected static final String VERSION = "2.0";
    private boolean request = false;

    /**
     * Gets the id.
     * 
     * @return the id
     */
    public abstract JsonNode getId();

    /**
     * Checks if is request.
     * 
     * @return true, if is request
     */
    public boolean isRequest() {
        return request;
    }

    /**
     * Checks if is response.
     * 
     * @return true, if is response
     */
    public boolean isResponse() {
        return !request;
    }

    /**
     * @param request
     *            the request to set
     */
    protected void setRequest(boolean request) {
        this.request = request;
    }

    @Override
    public boolean equals(Object o) {
        if (o == this) {
            return true;
        }
        if (!(o instanceof JSONMessage)) {
            return false;
        }
        return JOM.getInstance().valueToTree(this).equals(JOM.getInstance().valueToTree(o));
    }

    @Override
    public int hashCode() {
        return JOM.getInstance().valueToTree(this).hashCode();
    }
}