Java tutorial
/* 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.sugarcrm.handler; 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.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.Constants; import org.megam.deccanplato.provider.core.BusinessActivityInfo; import org.megam.deccanplato.provider.sugarcrm.info.MutableSugar; import org.megam.deccanplato.provider.sugarcrm.info.ImmutableSugar; import com.google.gson.Gson; import org.apache.http.NameValuePair; import org.apache.http.client.ClientProtocolException; import org.apache.http.message.BasicNameValuePair; import static org.megam.deccanplato.provider.Constants.*; import static org.megam.deccanplato.provider.sugarcrm.Constants.*; import com.google.gson.GsonBuilder; /** * * @author pandiyaraja * *This class is used to perform common business activity for SugarCRM business activities *like create, list, update and delete(delete is not implemented now). And this class *uses two business support classes(MutableSugar class and ImmutableSUGAR class). */ public class BusinessActivityImpl implements BusinessActivity { private Map<String, String> args; private BusinessActivityInfo bizInfo; private String name = "default"; @Override public void setArguments(BusinessActivityInfo tempBizInfo, Map<String, String> tempArgs) { this.args = tempArgs; this.bizInfo = tempBizInfo; } /** * this method redirect to business activity method by switch statement * switch statement get input from BusinessActivityInfo class. */ @Override public Map<String, String> run() { Map<String, String> outMap = new HashMap<String, String>(); switch (bizInfo.getActivityFunction()) { case CREATE: outMap = create(outMap); break; case LIST: outMap = list(outMap); break; case UPDATE: outMap = update(outMap); break; case DELETE: outMap = delete(outMap); break; default: break; } return outMap; } /** * This method deals with create business activity for users,accounts and leads, * and it takes outMap MAP(contains json data) value as input and returns a MAP * this method uses MutableSugar class to populate sugarCRM json input. * @param outMap. * */ private Map<String, String> create(Map<String, String> outMap) { MutableSugar scu = new MutableSugar(name(), args); Gson gson = new GsonBuilder().setPrettyPrinting().create(); String json = gson.toJson(scu); List<NameValuePair> userAttr = new ArrayList<NameValuePair>(); userAttr.add(new BasicNameValuePair(METHOD, SET_METHOD)); userAttr.add(new BasicNameValuePair(INPUT_TYPE, TYPE)); userAttr.add(new BasicNameValuePair(RESPONSE_TYPE, TYPE)); userAttr.add(new BasicNameValuePair(DATA, json)); TransportTools tst = new TransportTools(SUGAR_URL, userAttr); String responseBody = null; TransportResponse response = null; try { response = TransportMachinery.post(tst); responseBody = response.entityToString(); } catch (ClientProtocolException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } outMap.put(OUTPUT, responseBody); return outMap; } /** * This method deals with list business activity for users,accounts and leads, * and it takes outMap MAP(contains json data) value as input and returns a MAP * this method uses ImmutableSugar class to populate sugarCRM json input. * @param outMap. * */ private Map<String, String> list(Map<String, String> outMap) { ImmutableSugar scu = new ImmutableSugar(name(), args); Gson gson = new GsonBuilder().setPrettyPrinting().create(); String json = gson.toJson(scu); List<NameValuePair> userAttr = new ArrayList<NameValuePair>(); userAttr.add(new BasicNameValuePair(METHOD, GET_LIST)); userAttr.add(new BasicNameValuePair(INPUT_TYPE, TYPE)); userAttr.add(new BasicNameValuePair(RESPONSE_TYPE, TYPE)); userAttr.add(new BasicNameValuePair(DATA, json)); TransportTools tst = new TransportTools(SUGAR_URL, userAttr, null, true, "UTF-8"); String responseBody = null; TransportResponse response = null; try { response = TransportMachinery.get(tst); } catch (ClientProtocolException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (URISyntaxException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } responseBody = response.entityToString(); outMap.put(OUTPUT, responseBody); return outMap; } /** * This method deals with update business activity for users,accounts and leads, * and it takes outMap MAP(contains json data) value as input and returns a MAP * this method uses MutableSugar class to populate sugarCRM json input. * @param outMap. * */ private Map<String, String> update(Map<String, String> outMap) { MutableSugar scu = new MutableSugar(name(), args); Gson gson = new GsonBuilder().setPrettyPrinting().create(); String json = gson.toJson(scu); List<NameValuePair> userAttr = new ArrayList<NameValuePair>(); userAttr.add(new BasicNameValuePair(METHOD, SET_METHOD)); userAttr.add(new BasicNameValuePair(INPUT_TYPE, TYPE)); userAttr.add(new BasicNameValuePair(RESPONSE_TYPE, TYPE)); userAttr.add(new BasicNameValuePair(DATA, json)); TransportTools tst = new TransportTools(SUGAR_URL, userAttr); String responseBody = null; TransportResponse response = null; try { response = TransportMachinery.post(tst); responseBody = response.entityToString(); } catch (ClientProtocolException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } outMap.put(OUTPUT, responseBody); return outMap; } /** * This method deals with delete business activity for users,accounts and leads, * and it takes outMap MAP(contains json data) value as input and returns a MAP * this method uses MutableSugar class to populate sugarCRM json input. * @param outMap. * */ private Map<String, String> delete(Map<String, String> outMap) { return null; } @Override public String name() { return name; } /** * @param activityName */ public void setName(String activityName) { this.name = activityName; } }