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.zoho.invoice.handler; import static org.megam.deccanplato.provider.Constants.*; import static org.megam.deccanplato.provider.zoho.invoice.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 javax.xml.bind.JAXBException; import org.apache.http.NameValuePair; import org.apache.http.client.ClientProtocolException; import org.apache.http.message.BasicNameValuePair; 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.zoho.invoice.info.Contact; import org.megam.deccanplato.provider.zoho.invoice.info.InvoiceUpdate; import org.megam.deccanplato.provider.zoho.invoice.info.CustomFields; import org.megam.deccanplato.provider.zoho.invoice.info.Customer; import org.megam.deccanplato.provider.zoho.invoice.info.Expense; /** * @author pandiyaraja * *this class implements zoho invoice expense business function *this class has four business methods that are create, list, update *and delete. */ public class ExpenseImpl implements BusinessActivity { private static final String ZOHO_INVOICE_EXPENSE = "https://invoice.zoho.com/api/expenses/"; private Map<String, String> args; private BusinessActivityInfo bizInfo; @Override public void setArguments(BusinessActivityInfo tempBizInfo, Map<String, String> tempArgs) { this.args = tempArgs; this.bizInfo = tempBizInfo; } @Override public Map<String, String> run() { Map<String, String> outMap = new HashMap<>(); 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 creates an espense in zoho invoice and returns that expense details. * and it uses the business support class Expense to populate ZOHO XML input * This method takes input as a MAP(contains json dada) and returns a MAP. * @param outMap */ private Map<String, String> create(Map<String, String> outMap) { final String ZOHO_INVOICE_EXPENSE_CREATE_URL = ZOHO_INVOICE_EXPENSE + "create"; Expense expense = new Expense(); expense.setCategoryName(args.get(CATEGORY_NAME)); expense.setExpenseDate(args.get(EXPENSE_DATE)); expense.setExpenseAmount(args.get(AMOUNT)); expense.setExpenseDescription(args.get(DESCRIPTION)); expense.setTax1Name(args.get(TAX_NAME_1)); expense.setIsInclusiveTax(args.get(INCLUSIVE_TAX)); expense.setIsBillable(args.get(BILLABLE)); expense.setReference(args.get(REFERENCE)); expense.setCustomerID(args.get(CUSTOMERID)); expense.setCurrencyCode(args.get(CURRENCY_CODE)); expense.setExchangeRate(args.get(EXCHANGE_RATE)); String xmlout = null; try { xmlout = expense.toXMLString(); } catch (JAXBException e) { // TODO Auto-generated catch block e.printStackTrace(); } List<NameValuePair> createAttrList = new ArrayList<NameValuePair>(); createAttrList.add(new BasicNameValuePair(OAUTH_TOKEN, args.get(AUTHTOKEN))); createAttrList.add(new BasicNameValuePair(ZOHO_SCOPE, SCOPE)); createAttrList.add(new BasicNameValuePair(ZOHO_XMLSTRING, xmlout)); createAttrList.add(new BasicNameValuePair(APIKEY, args.get(APIKEY))); TransportTools tst = new TransportTools(ZOHO_INVOICE_EXPENSE_CREATE_URL, createAttrList); String responseBody = null; TransportResponse response = null; try { response = TransportMachinery.post(tst); } catch (ClientProtocolException 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 lists all expense in zoho invoice and returns a list of expense details. * This method takes input as a MAP(contains json dada) and returns a MAP. * @param outMap */ private Map<String, String> list(Map<String, String> outMap) { List<NameValuePair> listAttrList = new ArrayList<NameValuePair>(); listAttrList.add(new BasicNameValuePair(OAUTH_TOKEN, args.get(AUTHTOKEN))); listAttrList.add(new BasicNameValuePair(ZOHO_SCOPE, SCOPE)); listAttrList.add(new BasicNameValuePair(APIKEY, args.get(APIKEY))); TransportTools tst = new TransportTools(ZOHO_INVOICE_EXPENSE, listAttrList, 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 (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (URISyntaxException e) { // TODO Auto-generated catch block e.printStackTrace(); } responseBody = response.entityToString(); outMap.put(OUTPUT, responseBody); return outMap; } /** * this method update a particular expense in zoho invoice and returns updated expense details. * This method takes input as a MAP(contains json dada) and returns a MAP. * @param outMap */ private Map<String, String> update(Map<String, String> outMap) { final String ZOHO_INVOICE_EXPENSE_UPDATE_URL = ZOHO_INVOICE_EXPENSE + "update"; Expense expense = new Expense(); expense.setExpenseID(args.get(ID)); expense.setCategoryName(args.get(CATEGORY_NAME)); expense.setExpenseDate(args.get(EXPENSE_DATE)); expense.setExpenseAmount(args.get(AMOUNT)); expense.setExpenseDescription(args.get(DESCRIPTION)); expense.setTax1Name(args.get(TAX_NAME_1)); expense.setIsInclusiveTax(args.get(INCLUSIVE_TAX)); expense.setIsBillable(args.get(BILLABLE)); expense.setReference(args.get(REFERENCE)); expense.setCustomerID(args.get(CUSTOMERID)); expense.setCurrencyCode(args.get(CURRENCY_CODE)); expense.setExchangeRate(args.get(EXCHANGE_RATE)); String xmlout = null; try { xmlout = expense.toXMLString(); } catch (JAXBException e) { // TODO Auto-generated catch block e.printStackTrace(); } List<NameValuePair> updateAttrList = new ArrayList<NameValuePair>(); updateAttrList.add(new BasicNameValuePair(OAUTH_TOKEN, args.get(AUTHTOKEN))); updateAttrList.add(new BasicNameValuePair(ZOHO_SCOPE, SCOPE)); updateAttrList.add(new BasicNameValuePair(ZOHO_XMLSTRING, xmlout)); updateAttrList.add(new BasicNameValuePair(APIKEY, args.get(APIKEY))); TransportTools tst = new TransportTools(ZOHO_INVOICE_EXPENSE_UPDATE_URL, updateAttrList); String responseBody = null; TransportResponse response = null; try { response = TransportMachinery.post(tst); } catch (ClientProtocolException 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 delete a particular expense in zoho invoice and returns status code. * This method takes input as a MAP(contains json dada) and returns a MAP. * @param outMap */ private Map<String, String> delete(Map<String, String> outMap) { final String ZOHO_INVOICE_EXPENSE_DELETE_URL = ZOHO_INVOICE_EXPENSE + "delete/" + args.get(ID); List<NameValuePair> deleteAttrList = new ArrayList<NameValuePair>(); deleteAttrList.add(new BasicNameValuePair(OAUTH_TOKEN, args.get(AUTHTOKEN))); deleteAttrList.add(new BasicNameValuePair(ZOHO_SCOPE, SCOPE)); deleteAttrList.add(new BasicNameValuePair(APIKEY, args.get(APIKEY))); TransportTools tst = new TransportTools(ZOHO_INVOICE_EXPENSE_DELETE_URL, deleteAttrList); String responseBody = null; TransportResponse response = null; try { response = TransportMachinery.post(tst); } catch (ClientProtocolException 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 returns business method name to perform action in that zoho invoice Module */ @Override public String name() { return "expense"; } }