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.googleapp.handler; import static org.megam.deccanplato.provider.Constants.*; import static org.megam.deccanplato.provider.googleapp.Constants.*; import java.io.IOException; import java.net.MalformedURLException; import java.net.URL; 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.message.BasicNameValuePair; import org.megam.deccanplato.provider.BusinessActivity; import org.megam.deccanplato.provider.core.BusinessActivityInfo; import com.google.gdata.client.contacts.ContactsService; import com.google.gdata.data.Link; import com.google.gdata.data.PlainTextConstruct; import com.google.gdata.data.contacts.ContactEntry; import com.google.gdata.data.contacts.ContactFeed; import com.google.gdata.data.contacts.GroupMembershipInfo; import com.google.gdata.data.extensions.City; import com.google.gdata.data.extensions.Country; import com.google.gdata.data.extensions.Email; import com.google.gdata.data.extensions.ExtendedProperty; import com.google.gdata.data.extensions.FamilyName; import com.google.gdata.data.extensions.FormattedAddress; import com.google.gdata.data.extensions.FullName; import com.google.gdata.data.extensions.GivenName; import com.google.gdata.data.extensions.Im; import com.google.gdata.data.extensions.Name; import com.google.gdata.data.extensions.PhoneNumber; import com.google.gdata.data.extensions.PostCode; import com.google.gdata.data.extensions.Region; import com.google.gdata.data.extensions.Street; import com.google.gdata.data.extensions.StructuredPostalAddress; import com.google.gdata.util.AuthenticationException; import com.google.gdata.util.ServiceException; /** * * @author pandiyaraja * * This class implements the business activity of GoogleApp contacts method. * this class is implemented by using google-gdata-client library, and this class needs * client user name, password and application name to get authenticate * this class has four methods, to implement business functions, like create, update, * lisd and delete. */ public class ContactImpl implements BusinessActivity { private ContactsService service; private BusinessActivityInfo bizInfo; private Map<String, String> args = new HashMap<String, String>(); /** * this method initialize the operations to perform (like create, list, update, delete) * authentication set in this method by calling ContactsService class's setUserCredentials */ @Override public void setArguments(BusinessActivityInfo tempBizInfo, Map<String, String> tempArgs) { this.bizInfo = tempBizInfo; this.args = tempArgs; service = new ContactsService(args.get(APPLICATION_NAME)); try { service.setUserCredentials(args.get(EMAIL_ID), args.get(PASSWORD)); } catch (AuthenticationException e) { // TODO Auto-generated catch block e.printStackTrace(); } } /* (non-Javadoc) * @see org.megam.deccanplato.provider.BusinessActivity#run() */ @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 creates a contact in a user account. * args map has all the value to create a contact in a user account, * contacts create by calling ContactsService class's insert method * with client credential service * @param outMap * @return outMap(detais of created contact) */ private Map<String, String> create(Map<String, String> outMap) { // Create the entry to insert. ContactEntry contact = new ContactEntry(); // Set the contact's name. Name name = new Name(); final String NO_YOMI = null; name.setFullName(new FullName(args.get(FULL_NAME), NO_YOMI)); name.setGivenName(new GivenName(args.get(GIVEN_NAME), NO_YOMI)); name.setFamilyName(new FamilyName(args.get(FAMILY_NAME), NO_YOMI)); contact.setName(name); contact.setContent(new PlainTextConstruct(NOTES)); // Set contact's e-mail addresses. Email primaryMail = new Email(); primaryMail.setAddress(args.get(PRIMARY_EMAIL)); primaryMail.setDisplayName(args.get(DISPLAY_NAME)); primaryMail.setRel(PRIMARY_REL); primaryMail.setPrimary(true); contact.addEmailAddress(primaryMail); Email secondaryMail = new Email(); secondaryMail.setAddress(args.get(SECOND_EMAIL)); secondaryMail.setRel(WORK_REL); secondaryMail.setPrimary(false); contact.addEmailAddress(secondaryMail); // Set contact's phone numbers. PhoneNumber primaryPhoneNumber = new PhoneNumber(); primaryPhoneNumber.setPhoneNumber(args.get(PRIMARY_PHONE)); primaryPhoneNumber.setRel(WORK_REL); primaryPhoneNumber.setPrimary(true); contact.addPhoneNumber(primaryPhoneNumber); PhoneNumber secondaryPhoneNumber = new PhoneNumber(); secondaryPhoneNumber.setPhoneNumber(args.get(SECOND_PHONE)); secondaryPhoneNumber.setRel(PRIMARY_REL); contact.addPhoneNumber(secondaryPhoneNumber); // Set contact's IM information. Im imAddress = new Im(); imAddress.setAddress(args.get(IM_ADDRESS)); imAddress.setRel(PRIMARY_REL); imAddress.setProtocol(GTALK_REL); imAddress.setPrimary(true); contact.addImAddress(imAddress); // Set contact's postal address. StructuredPostalAddress postalAddress = new StructuredPostalAddress(); postalAddress.setStreet(new Street(args.get(STREET))); postalAddress.setCity(new City(args.get(CITY))); postalAddress.setRegion(new Region(args.get(REGION))); postalAddress.setPostcode(new PostCode(args.get(ZIP_CODE))); postalAddress.setCountry(new Country(args.get(REGION), args.get(COUNTRY))); postalAddress.setFormattedAddress(new FormattedAddress(args.get(ADDRESS))); postalAddress.setRel(WORK_REL); postalAddress.setPrimary(true); contact.addStructuredPostalAddress(postalAddress); // Ask the service to insert the new entry URL postUrl; ContactEntry createdContact = null; try { postUrl = new URL(PRE_URL + args.get(EMAIL_ID) + POST_URL); createdContact = service.insert(postUrl, contact); } catch (IOException | ServiceException e) { // TODO Auto-generated catch block e.printStackTrace(); } outMap.put(OUTPUT, CREATE_STRING + createdContact.getId()); return outMap; } /** * this method lists all contacts in a user account. * args map has all the value to list contacts in a user account, * contacts list by calling ContactsService class's getFeed method * with client credential service * @param outMap * @return outMap has the list of contacts and their details */ private Map<String, String> list(Map<String, String> outMap) { List<String> list = new ArrayList<>(); URL feedUrl; try { feedUrl = new URL(PRE_URL + args.get(EMAIL_ID) + POST_URL); ContactFeed resultFeed = service.getFeed(feedUrl, ContactFeed.class); if (resultFeed != null) { for (ContactEntry entry : resultFeed.getEntries()) { List<NameValuePair> contList = new ArrayList<NameValuePair>(); contList.add(new BasicNameValuePair(ID, entry.getId())); if (entry.hasName()) { Name name = entry.getName(); if (name.hasFullName()) { String fullNameToDisplay = name.getFullName().getValue(); contList.add(new BasicNameValuePair(FULLNAME, fullNameToDisplay)); if (name.getFullName().hasYomi()) { fullNameToDisplay += " (" + name.getFullName().getYomi() + ")"; } } if (name.hasNamePrefix()) { String prefix = name.getNamePrefix().getValue(); contList.add(new BasicNameValuePair("nameprefix", prefix)); } if (name.hasGivenName()) { String givenNameToDisplay = name.getGivenName().getValue(); contList.add(new BasicNameValuePair(GIVENNAME, givenNameToDisplay)); if (name.getGivenName().hasYomi()) { givenNameToDisplay += " (" + name.getGivenName().getYomi() + ")"; } } if (name.hasAdditionalName()) { String additionalNameToDisplay = name.getAdditionalName().getValue(); if (name.getAdditionalName().hasYomi()) { additionalNameToDisplay += " (" + name.getAdditionalName().getYomi() + ")"; } } if (name.hasFamilyName()) { String familyNameToDisplay = name.getFamilyName().getValue(); contList.add(new BasicNameValuePair(FAMILYNAME, familyNameToDisplay)); if (name.getFamilyName().hasYomi()) { familyNameToDisplay += " (" + name.getFamilyName().getYomi() + ")"; } if (name.hasNameSuffix()) { contList.add(new BasicNameValuePair("namesufix", name.getNameSuffix().getValue())); } } for (Email email : entry.getEmailAddresses()) { contList.add(new BasicNameValuePair(EMAIL, email.getAddress())); if (email.getRel() != null) { email.getRel(); } if (email.getLabel() != null) { email.getLabel(); } if (email.getPrimary()) { } } for (Im im : entry.getImAddresses()) { contList.add(new BasicNameValuePair(IM_ADDRESS, im.getAddress())); if (im.getLabel() != null) { im.getLabel(); } if (im.getRel() != null) { im.getRel(); } if (im.getProtocol() != null) { im.getProtocol(); } if (im.getPrimary()) { } } for (GroupMembershipInfo group : entry.getGroupMembershipInfos()) { contList.add(new BasicNameValuePair(GROUP, group.getHref())); } for (PhoneNumber phone : entry.getPhoneNumbers()) { contList.add(new BasicNameValuePair(PHONE, phone.getPhoneNumber())); } for (ExtendedProperty property : entry.getExtendedProperties()) { if (property.getValue() != null) { property.getValue(); } else if (property.getXmlBlob() != null) { property.getXmlBlob().getBlob(); } } Link photoLink = entry.getContactPhotoLink(); String photoLinkHref = photoLink.getHref(); if (photoLink.getEtag() != null) { photoLink.getEtag(); } list.add(contList.toString()); outMap.put(OUTPUT, list.toString()); } } } } catch (MalformedURLException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (ServiceException e) { // TODO Auto-generated catch block e.printStackTrace(); } return outMap; } /** * this method updates a contact in a user account. * args map has all the value to update contact in a user account, * contact update by calling ContactsService class's getEntry method * with client credential service * @param outMap * @return outMap has the updated contact details */ private Map<String, String> update(Map<String, String> outMap) { URL postUrl; URL editUrl; ContactEntry entryToUpdate; try { postUrl = new URL(PRE_URL + args.get(EMAIL_ID) + POST_URL + args.get(ID)); entryToUpdate = service.getEntry(postUrl, ContactEntry.class); if (entryToUpdate.hasName()) { Name name = entryToUpdate.getName(); if (name.hasFullName()) { entryToUpdate.getName().getFullName().setValue(args.get(FULL_NAME)); } if (name.hasGivenName()) { entryToUpdate.getName().getGivenName().setValue(args.get(GIVEN_NAME)); } if (name.hasFamilyName()) { entryToUpdate.getName().getFamilyName().setValue(args.get(FAMILY_NAME)); } } editUrl = new URL(entryToUpdate.getEditLink().getHref()); ContactEntry contactEntry = service.update(editUrl, entryToUpdate); } catch (IOException e2) { // TODO Auto-generated catch block e2.printStackTrace(); } catch (ServiceException e2) { // TODO Auto-generated catch block e2.printStackTrace(); } outMap.put(OUTPUT, UPDATE_STRING + args.get(ID)); return outMap; } /** * this method deletes a contact in a user account. * args map has all the value to update contact in a user account, * contact delete by calling ContactsService class's getEntry method * with client credential service * @param outMap * @return outMap has the deleted contact id */ private Map<String, String> delete(Map<String, String> outMap) { URL postUrl; try { postUrl = new URL(PRE_URL + args.get(EMAIL_ID) + POST_URL + args.get(ID)); ContactEntry contact = service.getEntry(postUrl, ContactEntry.class); contact.delete(); outMap.put(OUTPUT, DELETE_STRING + contact.getId()); } catch (MalformedURLException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (ServiceException e) { // TODO Auto-generated catch block e.printStackTrace(); } return outMap; } /* (non-Javadoc) * @see org.megam.deccanplato.provider.BusinessActivity#name() */ @Override public String name() { // TODO Auto-generated method stub return "contact"; } }