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com.codename1.facebook.FacebookRESTService Maven / Gradle / Ivy
/*
* Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores
* CA 94065 USA or visit www.oracle.com if you need additional information or
* have any questions.
*/
package com.codename1.facebook;
import com.codename1.io.BufferedInputStream;
import com.codename1.io.ConnectionRequest;
import com.codename1.io.JSONParseCallback;
import com.codename1.io.JSONParser;
import com.codename1.io.NetworkEvent;
import com.codename1.io.Util;
import com.codename1.ui.list.DefaultListModel;
import com.codename1.util.StringUtil;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.Hashtable;
import java.util.Vector;
/**
* Invokes the Facebook REST API documented here http://developers.facebook.com/docs/guides/mobile/
*
* @author Shai Almog
*/
class FacebookRESTService extends ConnectionRequest implements JSONParseCallback {
private String token;
private Hashtable entry = new Hashtable();
private Hashtable currentData = entry;
private Vector stack = new Vector();
private String connectionType = "";
public static String PICTURE = "picture";
public static String FRIENDS = "friends";
public static String TAGGED = "tagged";
public static String ACTIVITIES = "activities";
public static String INTERESTS = "interests";
public static String LIKES = "likes";
public static String ALBUMS = "albums";
public static String PHOTOS = "photos";
public static String COMMENTS = "comments";
public static String HOME = "home";
public static String FEED = "feed";
public static String POSTS = "posts";
public static String INBOX = "inbox";
public static String MESSAGES = "messages";
public static String EVENTS = "events";
public static String NOTES = "notes";
private DefaultListModel responseDestination;
private int responseOffset = -1;
private String imageKey;
public static final String GRAPH_URL = "https://graph.facebook.com/";
public FacebookRESTService(boolean post, String token) {
this.token = token;
setPost(post);
}
public FacebookRESTService(String token, String id, String connectionType, boolean post) {
this.token = token;
setPost(post);
String query = id;
if (connectionType.length() > 0) {
query += "/" + connectionType;
}
this.connectionType = connectionType;
addArgumentNoEncoding("access_token", token);
//addArgument("access_token", token);
setQuery(query);
}
public FacebookRESTService(String token, String url, boolean post) {
this.token = token;
setPost(post);
addArgumentNoEncoding("access_token", token);
//addArgument("access_token", token);
//setQuery(query);
setUrl(url);
}
protected void setQuery(String query) {
if (query.indexOf("?") > 0) {
String search = query.substring(query.indexOf("?")+1);
query = query.substring(0, query.indexOf("?"));
java.util.List parts = StringUtil.tokenize(search, "&");
for (String part : parts) {
java.util.List kv = StringUtil.tokenize(part, "=");
addArgumentNoEncoding(kv.get(0), kv.size()>1 ?kv.get(1):"");
}
}
String url = GRAPH_URL + query;
if(FaceBookAccess.getApiVersion().length() > 0){
url = GRAPH_URL + FaceBookAccess.getApiVersion() + "/" + query;
}
setUrl(url);
}
public String requestURL() {
return createRequestURL();
}
protected void readResponse(InputStream input) throws IOException {
//BufferedInputStream i = new BufferedInputStream(new InputStreamReader(input, ));
BufferedInputStream i;
if(input instanceof BufferedInputStream){
i = (BufferedInputStream) input;
}else{
i = new BufferedInputStream(input);
}
i.setYield(-1);
InputStreamReader reader = new InputStreamReader(i, "UTF-8");
JSONParser.parse(reader, this);
Util.cleanup(reader);
if(stack.size() > 0){
fireResponseListener(new NetworkEvent(this, stack.elementAt(0)));
}
}
protected void setConnectionType(String connectionType) {
this.connectionType = connectionType;
}
protected String getConnectionType() {
return connectionType;
}
private String root;
public void startBlock(String block) {
if(block.equals("paging")){
return;
}
Object node;
if (stack.size() == 0) {
if (root == null) {
root = "entry";
}
node = new Vector() {
public synchronized void addElement(Object obj) {
if (responseDestination != null) {
if(responseOffset == -1) {
responseDestination.addItem(obj);
} else {
Hashtable h = (Hashtable)responseDestination.getItemAt(responseOffset);
h.putAll((Hashtable)obj);
responseDestination.setItem(responseOffset, h);
responseOffset++;
}
} else {
super.addElement(obj);
}
}
};
stack.addElement(node);
if (connectionType.length() > 0 || getUrl().indexOf("search") > 0) {
return;
}
} else {
node = stack.elementAt(stack.size() - 1);
}
Hashtable data = new Hashtable();
if (node instanceof Hashtable) {
((Hashtable) node).put(block, data);
} else {
((Vector) node).addElement(data);
}
stack.addElement(data);
currentData = data;
}
public void startArray(String block) {
if(block.equals("paging")){
return;
}
Vector items = new Vector();
Object node;
if (stack.size() == 1) {
return;
} else {
if (stack.size() == 0) {
node = new Vector() {
public synchronized void addElement(Object obj) {
if (responseDestination != null) {
responseDestination.addItem(obj);
} else {
super.addElement(obj);
}
}
};
stack.addElement(node);
}
node = stack.elementAt(stack.size() - 1);
}
if (node instanceof Hashtable) {
((Hashtable) node).put(block, items);
} else {
((Vector) node).addElement(items);
}
stack.addElement(items);
}
public void endArray(String block) {
if(block.equals("paging")){
return;
}
if(stack.size() > 1){
stack.removeElementAt(stack.size() - 1);
Object node = stack.elementAt(stack.size() - 1);
if (node instanceof Hashtable) {
currentData = (Hashtable) node;
}
}
}
public void endBlock(String block) {
if(block.equals("paging")){
return;
}
if (stack.size() > 1) {
stack.removeElement(currentData);
Object node = stack.elementAt(stack.size() - 1);
if (node instanceof Hashtable) {
currentData = (Hashtable) node;
}
}
}
public void stringToken(String tok) {
}
public void numericToken(double tok) {
}
public void keyValue(String key, String value) {
//make sure value is not null to prevent NPE
if (key != null && value == null) {
value = "";
}
getCurrent().put(key, value);
}
protected Hashtable getCurrent() {
if (currentData == null) {
currentData = new Hashtable();
}
return currentData;
}
public void setResponseDestination(DefaultListModel des) {
responseDestination = des;
}
public boolean isAlive() {
return !isKilled();
}
protected int getYield() {
return -1;
}
/**
* @return the responseOffset
*/
public int getResponseOffset() {
return responseOffset;
}
/**
* @param responseOffset the responseOffset to set
*/
public void setResponseOffset(int responseOffset) {
this.responseOffset = responseOffset;
}
/**
* @return the imageKey
*/
public String getImageKey() {
return imageKey;
}
/**
* @param imageKey the imageKey to set
*/
public void setImageKey(String imageKey) {
this.imageKey = imageKey;
}
/**
* {@inheritDoc}
*/
public void longToken(long tok) {
}
public void booleanToken(boolean tok) {
}
}
