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

Introduction

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

Source

/**
 * 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.HashMap;
import java.util.Map;

import org.apache.http.client.ClientProtocolException;
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;

/**
 * @author pandiyaraja
 * 
 * This class deals with salesforce chatter activity groupfeed resources
 * this class lists all group in an organization and describes a particular group
 * it delete a group membership and also describes members from that group then lists 
 * all files in that group
 */
public class GroupFeedImpl implements BusinessActivity {

    private static final String SALESFORCECRM_CHATTER_MESSAGE_URL = "/services/data/v25.0/chatter/groups/";
    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 MEMBERSHIP:
            outMap = membership();
            break;
        case DELETE:
            outMap = delete();
            break;
        case VIEW:
            outMap = view();
            break;
        case FILE:
            outMap = file();
            break;
        case MEMBER:
            outMap = member();
            break;
        }
        return outMap;
    }

    /**
     * This method takes input as group id and returns all grooup members 
     * from that group. 
     * @param outMap(group id)
     * @return list of members from that group
     */
    private Map<String, String> member() {
        Map<String, String> outMap = new HashMap<String, String>();
        final String SALESFORCECRM_CHATTER_URL = "/services/data/v25.0/chatter/groups/" + args.get(ID) + "/members";
        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) + SALESFORCECRM_CHATTER_URL, null, header);

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

    /**
     * this method takes input as group id and returns list of 
     * files from that group. group id is taken from group membership subscription
     * @param outMap(user group id)
     * @return list of files from that group
     */
    private Map<String, String> file() {
        Map<String, String> outMap = new HashMap<String, String>();
        final String SALESFORCECRM_CHATTER_URL = "/services/data/v25.0/chatter/groups/" + args.get(ID) + "/files";
        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) + SALESFORCECRM_CHATTER_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 method returns a particular group details
     * it takes group id from group membership method implementation
     * @param outMap(Group id)
     * @return details about a group
     */
    private Map<String, String> view() {
        Map<String, String> outMap = new HashMap<String, String>();
        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) + SALESFORCECRM_CHATTER_MESSAGE_URL + args.get(ID), null, header);

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

    }

    /**
     * this method returns membership id from a group
     * it takes group id as argument
     * @param outMap
     * @return returns membership details
     */
    private Map<String, String> membership() {
        Map<String, String> outMap = new HashMap<>();
        final String SALESFORCECRM_CHATTER_URL = "/services/data/v25.0/chatter/group-memberships/" + 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) + SALESFORCECRM_CHATTER_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 method delete a member from a group membership
     * it takes input as membership id.
     * @param outMap membership id.
     * @return
     */
    private Map<String, String> delete() {
        Map<String, String> outMap = new HashMap<>();
        final String SALESFORCECRM_CHATTER_URL = "/services/data/v25.0/chatter/group-memberships/" + 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) + SALESFORCECRM_CHATTER_URL, null, header);
        try {
            TransportMachinery.delete(tst);
            outMap.put(OUTPUT, DELETE_STRING + args.get(ID));
        } catch (ClientProtocolException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return outMap;
    }

    /**
     * This method lists all groups in an organization
     * @param outMap
     * @return returns group id and group details.
     */
    private Map<String, String> list() {
        Map<String, String> outMap = new HashMap<>();
        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) + SALESFORCECRM_CHATTER_MESSAGE_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 "groupfeed";
    }
}