org.spiffyui.hellospiffyoauth.client.Contacts.java Source code

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Here is the source code for org.spiffyui.hellospiffyoauth.client.Contacts.java

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/*******************************************************************************
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 ******************************************************************************/
package org.spiffyui.hellospiffyoauth.client;

import java.util.ArrayList;
import java.util.List;

import org.spiffyui.client.JSONUtil;
import org.spiffyui.client.MessageUtil;
import org.spiffyui.client.rest.RESTCallback;
import org.spiffyui.client.rest.RESTException;
import org.spiffyui.client.rest.RESTObjectCallBack;
import org.spiffyui.client.rest.RESTility;

import com.google.gwt.json.client.JSONArray;
import com.google.gwt.json.client.JSONObject;
import com.google.gwt.json.client.JSONValue;
import com.google.gwt.user.client.Window;

/**
 * This is the REST bean.  It handles making the REST request
 * as well as converting the response from JSON to a Java bean. 
 */
public class Contacts {
    private List<Contact> m_contacts;

    public Contacts(List<Contact> contacts) {
        m_contacts = contacts;
    }

    /**
     * @return Returns the m_contacts.
     */
    public List<Contact> getContacts() {
        return m_contacts;
    }

    /**
     * Static method to load the contacts
     * and return them in the callback
     * @param oauthVerifier - the oauth verifier string
     * @param oauthToken - the oauth request token
     * @param callback - the RESTObjectCallBack to handle the response
     */
    public static void loadContacts(final String oauthVerifier, final String oauthToken,
            final RESTObjectCallBack<Contacts> callback) {
        /*
         * Use the URL parameters from the google callback as parameters to the REST service.
         */
        RESTility.callREST("./contacts?" + Index.OAUTH_VERIFIER + "=" + oauthVerifier + "&" + Index.OAUTH_TOKEN
                + "=" + oauthToken, new RESTCallback() {

                    @Override
                    public void onSuccess(JSONValue val) {
                        JSONObject resp = val.isObject();
                        JSONObject feed = JSONUtil.getJSONObject(resp, "feed");

                        List<Contact> contactList = new ArrayList<Contact>();

                        JSONArray entries = JSONUtil.getJSONArray(feed, "entry");
                        for (int i = 0, len = entries.size(); i < len; i++) {
                            Contact contact = new Contact();
                            JSONObject entry = entries.get(i).isObject();
                            JSONObject title = JSONUtil.getJSONObject(entry, "title");
                            String entryTitle = JSONUtil.getStringValue(title, "$t");

                            contact.setTitle(entryTitle);
                            List<Email> emailList = new ArrayList<Email>();

                            JSONArray emails = JSONUtil.getJSONArray(entry, "gd$email");
                            if (emails != null) {
                                for (int j = 0, size = emails.size(); j < size; j++) {
                                    Email email = new Email();

                                    JSONObject emailJson = emails.get(j).isObject();
                                    String address = JSONUtil.getStringValue(emailJson, "address");

                                    email.setPrimary(JSONUtil.getBooleanValue(emailJson, "primary"));
                                    email.setAddress(address);
                                    emailList.add(email);
                                }
                            }
                            contact.setEmails(emailList);
                            contactList.add(contact);
                        }
                        callback.success(new Contacts(contactList));
                    }

                    @Override
                    public void onError(int statusCode, String errorResponse) {
                        callback.error(errorResponse);
                    }

                    @Override
                    public void onError(RESTException e) {
                        callback.error(e);
                    }
                });
    }

}