org.megam.deccanplato.provider.salesforce.chatter.handler.NewsFeedImpl.java Source code

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Here is the source code for org.megam.deccanplato.provider.salesforce.chatter.handler.NewsFeedImpl.java

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/**
 * Copyright 2012 Megam Systems?
 * This program 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.
 *
 * This program 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 program.  If not, see <http://www.gnu.org/licenses/>.
 **/
package org.megam.deccanplato.provider.salesforce.chatter.handler;

import static org.megam.deccanplato.provider.Constants.*;
import static org.megam.deccanplato.provider.salesforce.crm.Constants.*;

import java.io.IOException;
import java.net.URISyntaxException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.entity.ContentType;
import org.apache.http.message.BasicNameValuePair;
import org.joda.time.DateTime;
import org.megam.deccanplato.http.TransportMachinery;
import org.megam.deccanplato.http.TransportResponse;
import org.megam.deccanplato.http.TransportTools;
import org.megam.deccanplato.provider.BusinessActivity;
import org.megam.deccanplato.provider.core.BusinessActivityInfo;
import org.megam.deccanplato.provider.info.DateTimeTypeConverter;

import com.google.gson.Gson;
import com.google.gson.GsonBuilder;

/**
 * @author pandiyaraja
 *
 *Newsfeed implements salesforce chatter newsfeed business activity 
 */
public class NewsFeedImpl implements BusinessActivity {

    private BusinessActivityInfo bizInfo;
    private Map<String, String> args = new HashMap<String, String>();

    /*
     * (non-Javadoc)
     * 
     * @see
     * org.megam.deccanplato.provider.BusinessActivity#setArguments(org.megam
     * .deccanplato.provider.core.BusinessActivityInfo, java.util.Map)
     */
    @Override
    public void setArguments(BusinessActivityInfo tempBizInfo, Map<String, String> tempArgs) {
        this.bizInfo = tempBizInfo;
        this.args = tempArgs;
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.megam.deccanplato.provider.BusinessActivity#run()
     */
    @Override
    public Map<String, String> run() {
        Map<String, String> outMap = null;
        switch (bizInfo.getActivityFunction()) {
        case LIST:
            outMap = list();
            break;
        case FEED:
            outMap = feed();
            break;
        }
        return outMap;
    }

    /**
     * Returns all feed items from all groups the logged-in user either
     * owns or is a member of, as well as all files, records, and all
     * users the current user follows.
     * @param outMap
     * @return
     */
    private Map<String, String> feed() {
        Map<String, String> outMap = new HashMap<>();
        final String SALESFORCE_CHATTER_ACTIVITY_URL = "/services/data/v26.0/chatter/feeds/news/" + args.get(ID)
                + "/feed-items";
        Map<String, String> header = new HashMap<String, String>();
        header.put(S_AUTHORIZATION, S_OAUTH + args.get(ACCESS_TOKEN));

        TransportTools tst = new TransportTools(args.get(INSTANCE_URL) + SALESFORCE_CHATTER_ACTIVITY_URL, null,
                header);
        try {
            String response = TransportMachinery.get(tst).entityToString();
            outMap.put(OUTPUT, response);
        } catch (ClientProtocolException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        } catch (URISyntaxException e) {
            e.printStackTrace();
        }
        return outMap;
    }

    /**
     * This class shows news feed url of a user and news feed modified url
     * it takes input as user id. 
     * @param outMap
     * @return
     */
    private Map<String, String> list() {
        Map<String, String> outMap = new HashMap<>();
        final String SALESFORCE_CHATTER_ACTIVITY_URL = "/services/data/v26.0/chatter/feeds/news/" + args.get(ID);
        Map<String, String> header = new HashMap<String, String>();
        header.put(S_AUTHORIZATION, S_OAUTH + args.get(ACCESS_TOKEN));

        TransportTools tst = new TransportTools(args.get(INSTANCE_URL) + SALESFORCE_CHATTER_ACTIVITY_URL, null,
                header);

        try {
            String response = TransportMachinery.get(tst).entityToString();
            outMap.put(OUTPUT, response);
        } catch (ClientProtocolException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        } catch (URISyntaxException e) {
            e.printStackTrace();
        }
        return outMap;
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.megam.deccanplato.provider.BusinessActivity#name()
     */
    @Override
    public String name() {
        return "news";
    }
}