com.liferay.portal.kernel.poller.DefaultPollerResponse.java Source code

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Here is the source code for com.liferay.portal.kernel.poller.DefaultPollerResponse.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.poller;

import com.liferay.portal.kernel.json.JSONArray;
import com.liferay.portal.kernel.json.JSONFactoryUtil;
import com.liferay.portal.kernel.json.JSONObject;
import com.liferay.portal.kernel.json.JSONUtil;
import com.liferay.portal.kernel.messaging.Message;
import com.liferay.portal.kernel.messaging.MessageBusUtil;
import com.liferay.portal.kernel.util.Validator;

import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;

/**
 * @author Brian Wing Shun Chan
 */
public class DefaultPollerResponse implements PollerResponse {

    @Override
    public void close(Message message, PollerHeader pollerHeader, String portletId, String chunkId) {

        _closed = true;

        _pollerHeader = pollerHeader;
        _portletId = portletId;
        _chunkId = chunkId;

        String responseDestinationName = message.getResponseDestinationName();

        if (Validator.isNull(responseDestinationName)) {
            return;
        }

        Message responseMessage = MessageBusUtil.createResponseMessage(message);

        responseMessage.setPayload(this);

        MessageBusUtil.sendMessage(responseDestinationName, responseMessage);
    }

    @Override
    public PollerHeader getPollerHeader() {
        return _pollerHeader;
    }

    @Override
    public String getPortletId() {
        return _portletId;
    }

    @Override
    public boolean isEmpty() {
        return _parameterMap.isEmpty();
    }

    @Override
    public void setParameter(String name, JSONArray value) throws PollerResponseClosedException {

        if (_closed) {
            throw new PollerResponseClosedException();
        }

        _parameterMap.put(name, value);
    }

    @Override
    public void setParameter(String name, JSONObject value) throws PollerResponseClosedException {

        if (_closed) {
            throw new PollerResponseClosedException();
        }

        _parameterMap.put(name, value);
    }

    @Override
    public void setParameter(String name, String value) throws PollerResponseClosedException {

        if (_closed) {
            throw new PollerResponseClosedException();
        }

        _parameterMap.put(name, value);
    }

    @Override
    public JSONObject toJSONObject() {
        JSONObject pollerResponseJSONObject = JSONUtil.put("portletId", _portletId);

        if (Validator.isNotNull(_chunkId)) {
            pollerResponseJSONObject.put("chunkId", _chunkId);
        }

        JSONObject dataJSONObject = JSONFactoryUtil.createJSONObject();

        for (Map.Entry<String, Object> entry : _parameterMap.entrySet()) {
            String name = entry.getKey();
            Object value = entry.getValue();

            if (value instanceof JSONArray) {
                dataJSONObject.put(name, (JSONArray) value);
            } else if (value instanceof JSONObject) {
                dataJSONObject.put(name, (JSONObject) value);
            } else {
                dataJSONObject.put(name, String.valueOf(value));
            }
        }

        pollerResponseJSONObject.put("data", dataJSONObject);

        return pollerResponseJSONObject;
    }

    private String _chunkId;
    private volatile boolean _closed;
    private final Map<String, Object> _parameterMap = new ConcurrentHashMap<>();
    private PollerHeader _pollerHeader;
    private String _portletId;

}