de.kp.ames.web.function.comm.CommDQM.java Source code

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Here is the source code for de.kp.ames.web.function.comm.CommDQM.java

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package de.kp.ames.web.function.comm;
/**
 * This Java module is part of the
 *  Application Developer Framework
 *
 *  Project: AMES-Web-Service
 *  Package: de.kp.ames.web.function.comm
 *  Module: CommDQM
 *  @author krusche@dr-kruscheundpartner.de
 *
 * Add your semantic annotations within the SemanticAssist tags and
 * mark them with a leading hashtag #:
 *
 * <SemanticAssist>
 *     #comm #dqm #function #web
 * </SemanticAssist>
 *
 */

/**
 *   Copyright 2012 Dr. Krusche & Partner PartG
 *
 *   AMES-Web-Service is free software: you can redistribute it and/or 
 *   modify it under the terms of the GNU General Public License 
 *   as published by the Free Software Foundation, either version 3 of 
 *   the License, or (at your option) any later version.
 *
 *   AMES- Web-Service 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 General Public License for more details. 
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this software. If not, see <http://www.gnu.org/licenses/>.
 *
 */

import java.io.InputStream;
import java.util.List;

import javax.activation.DataHandler;
import javax.xml.registry.JAXRException;

import org.freebxml.omar.client.xml.registry.infomodel.ExtrinsicObjectImpl;
import org.freebxml.omar.client.xml.registry.infomodel.RegistryObjectImpl;
import org.json.JSONArray;
import org.json.JSONObject;

import de.kp.ames.web.core.regrep.JaxrHandle;
import de.kp.ames.web.core.regrep.dqm.JaxrDQM;
import de.kp.ames.web.core.util.FileUtil;
import de.kp.ames.web.function.domain.JsonBusinessProvider;
import de.kp.ames.web.shared.constants.ClassificationConstants;

public class CommDQM extends JaxrDQM {

    /**
     * Constructor
     * 
     * @param jaxrHandle
     */
    public CommDQM(JaxrHandle jaxrHandle) {
        super(jaxrHandle);
    }

    /**
     * Get either single chat message or all registered
     * products
     * 
     * @param item
     * @return
     * @throws Exception
     */
    public JSONArray getChatMessages(String item) throws Exception {

        if (item == null) {
            /*
             * Determine chat messages (metadata)
             */
            List<RegistryObjectImpl> messages = getRegistryObjects_ByClasNode(item,
                    ClassificationConstants.FNC_ID_Chat);

            /*
             * Build JSON representation
             */
            return JsonBusinessProvider.getChatMessages(jaxrHandle, messages);

        } else {
            /*
             * Determine content of chat message
             */
            ExtrinsicObjectImpl eo = (ExtrinsicObjectImpl) getRegistryObjectById(item);
            if (eo == null)
                throw new JAXRException("[CommDQM] RegistryObject with id <" + item + "> not found.");

            DataHandler handler = eo.getRepositoryItem();
            InputStream stream = handler.getInputStream();

            byte[] bytes = FileUtil.getByteArrayFromInputStream(stream);

            JSONObject jChatMessage = new JSONObject(new String(bytes));
            return new JSONArray().put(jChatMessage);

        }

    }

    /**
     * Get either single mail message or all registered
     * products
     * 
     * @param item
     * @return
     * @throws Exception
     */
    public JSONArray getMailMessages(String item) throws Exception {

        if (item == null) {
            /*
             * Determine mail messages (metadata)
             */
            List<RegistryObjectImpl> messages = getRegistryObjects_ByClasNode(item,
                    ClassificationConstants.FNC_ID_Mail);

            /*
             * Build JSON representation
             */
            return JsonBusinessProvider.getMailMessages(jaxrHandle, messages);

        } else {
            /*
             * Determine content of mail message
             */
            ExtrinsicObjectImpl eo = (ExtrinsicObjectImpl) getRegistryObjectById(item);
            if (eo == null)
                throw new JAXRException("[CommDQM] RegistryObject with id <" + item + "> not found.");

            DataHandler handler = eo.getRepositoryItem();
            InputStream stream = handler.getInputStream();

            byte[] bytes = FileUtil.getByteArrayFromInputStream(stream);

            JSONObject jMailMessage = new JSONObject(new String(bytes));
            return new JSONArray().put(jMailMessage);

        }

    }

}