com.liferay.portal.kernel.messaging.Message.java Source code

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Here is the source code for com.liferay.portal.kernel.messaging.Message.java

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/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

package com.liferay.portal.kernel.messaging;

import com.liferay.petra.string.StringBundler;
import com.liferay.portal.kernel.io.Deserializer;
import com.liferay.portal.kernel.io.Serializer;
import com.liferay.portal.kernel.util.GetterUtil;
import com.liferay.portal.kernel.util.MapUtil;
import com.liferay.portal.kernel.util.TransientValue;

import java.io.Serializable;

import java.nio.ByteBuffer;

import java.util.HashMap;
import java.util.Map;

/**
 * @author Brian Wing Shun Chan
 * @author Michael C. Han
 */
public class Message implements Cloneable, Serializable {

    public static Message fromByteArray(byte[] bytes) throws ClassNotFoundException {

        Deserializer deserializer = new Deserializer(ByteBuffer.wrap(bytes));

        return deserializer.readObject();
    }

    @Override
    public Message clone() {
        Message message = new Message();

        message._destinationName = _destinationName;
        message._payload = _payload;
        message._response = _response;
        message._responseDestinationName = _responseDestinationName;
        message._responseId = _responseId;

        if (_values != null) {
            message._values = new HashMap<>(_values);
        }

        return message;
    }

    public boolean contains(String key) {
        if (_values == null) {
            return false;
        }

        return _values.containsKey(key);
    }

    public void copyFrom(Message message) {
        _destinationName = message._destinationName;
        _payload = message._payload;
        _response = message._response;
        _responseDestinationName = message._responseDestinationName;
        _responseId = message._responseId;

        if (message._values != null) {
            _values = new HashMap<>(message._values);
        }
    }

    public void copyTo(Message message) {
        message._destinationName = _destinationName;
        message._payload = _payload;
        message._response = _response;
        message._responseDestinationName = _responseDestinationName;
        message._responseId = _responseId;

        if (_values != null) {
            message._values = new HashMap<>(_values);
        }
    }

    public Object get(String key) {
        if (_values == null) {
            return null;
        }

        Object value = _values.get(key);

        if (value instanceof TransientValue) {
            TransientValue<Object> transientValue = (TransientValue<Object>) value;

            value = transientValue.getValue();
        }

        return value;
    }

    public boolean getBoolean(String key) {
        boolean value = false;

        Object object = get(key);

        if (object instanceof Boolean) {
            Boolean booleanObj = (Boolean) object;

            value = booleanObj.booleanValue();
        } else {
            value = GetterUtil.getBoolean((String) object);
        }

        return value;
    }

    public String getDestinationName() {
        return _destinationName;
    }

    public double getDouble(String key) {
        double value = 0;

        Object object = get(key);

        if (object instanceof Number) {
            Number number = (Number) object;

            value = number.doubleValue();
        } else {
            value = GetterUtil.getDouble((String) object);
        }

        return value;
    }

    public int getInteger(String key) {
        int value = 0;

        Object object = get(key);

        if (object instanceof Number) {
            Number number = (Number) object;

            value = number.intValue();
        } else {
            value = GetterUtil.getInteger((String) object);
        }

        return value;
    }

    public long getLong(String key) {
        long value = 0;

        Object object = get(key);

        if (object instanceof Number) {
            Number number = (Number) object;

            value = number.longValue();
        } else {
            value = GetterUtil.getLong((String) object);
        }

        return value;
    }

    public Object getPayload() {
        return _payload;
    }

    public Object getResponse() {
        return _response;
    }

    public String getResponseDestinationName() {
        return _responseDestinationName;
    }

    public String getResponseId() {
        return _responseId;
    }

    public String getString(String key) {
        return GetterUtil.getString(String.valueOf(get(key)));
    }

    public Map<String, Object> getValues() {
        return _values;
    }

    public void put(String key, Object value) {
        if (value == null) {
            if (_values != null) {
                _values.remove(key);
            }

            return;
        }

        if (_values == null) {
            _values = new HashMap<>();
        }

        if (!(value instanceof Serializable)) {
            value = new TransientValue<>(value);
        }

        _values.put(key, value);
    }

    public void remove(String key) {
        if (_values != null) {
            _values.remove(key);
        }
    }

    public void setDestinationName(String destinationName) {
        _destinationName = destinationName;
    }

    public void setPayload(Object payload) {
        _payload = payload;
    }

    public void setResponse(Object response) {
        _response = response;
    }

    public void setResponseDestinationName(String responseDestinationName) {
        _responseDestinationName = responseDestinationName;
    }

    public void setResponseId(String responseId) {
        _responseId = responseId;
    }

    public void setValues(Map<String, Object> values) {
        _values = values;
    }

    public byte[] toByteArray() {
        Serializer serializer = new Serializer();

        serializer.writeObject(this);

        ByteBuffer byteBuffer = serializer.toByteBuffer();

        return byteBuffer.array();
    }

    @Override
    public String toString() {
        StringBundler sb = new StringBundler(13);

        sb.append("{destinationName=");
        sb.append(_destinationName);
        sb.append(", response=");
        sb.append(_response);
        sb.append(", responseDestinationName=");
        sb.append(_responseDestinationName);
        sb.append(", responseId=");
        sb.append(_responseId);
        sb.append(", payload=");
        sb.append(_payload);
        sb.append(", values=");
        sb.append(MapUtil.toString(_values, null, ".*[pP]assword.*"));
        sb.append("}");

        return sb.toString();
    }

    private String _destinationName;
    private Object _payload;
    private Object _response;
    private String _responseDestinationName;
    private String _responseId;
    private Map<String, Object> _values;

}