/*
* Copyright 2013 eWidgetFX.
*
* 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.thehecklers.feed;
import facebook4j.Facebook;
import facebook4j.FacebookException;
import facebook4j.FacebookFactory;
import facebook4j.Post;
import facebook4j.ResponseList;
import facebook4j.auth.AccessToken;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
*
* @author Mark Heckler <mark.heckler@gmail.com>
* Twitter: @MkHeck
*
*
*/
public class FacebookFeed extends Feed {
Facebook fbInstance;
ResponseList<Post> messages;
public FacebookFeed() {
this("java");
}
public FacebookFeed(String searchTerm) {
//this.setConsumer("Put Consumer Key Here", "Put Consumer Secret Here");
//this.setToken("Put Token Here");
this.fbInstance = FacebookFactory.getSingleton();
fbInstance.setOAuthAppId(this.getConsumerKey(), this.getConsumerSecret());
fbInstance.setOAuthAccessToken(new AccessToken(this.getToken()));
try {
messages = fbInstance.searchPosts(searchTerm);
System.out.println(messages.size() + " messages retrieved.");
} catch (FacebookException ex) {
Logger.getLogger(FacebookFeed.class.getName()).log(Level.SEVERE, null, ex);
}
}
@Override
public String getMessage() {
String msg = super.getMessage();
if (messages.size() > 0) {
msg = popMessage();
System.out.print(msg);
if (isJunkMessage(msg)) {
// For now, we revert to the default message.
System.out.println(" *** JUNK *** ");
msg = "SPAM message with multiple URLs purged. Carry on!";
} else {
System.out.println();
}
msg = msg.replaceAll("\n", " ");
}
return msg;
}
private String popMessage() {
String msg = messages.get(0).getMessage();
messages.remove(0);
// Workaround for null message retrieval until Facebook4j library is replaced.
return (msg == null ? "" : msg);
}
private boolean isJunkMessage(String msg) {
boolean isJunk = false;
int nLinks = 0;
int nPos = 0;
// If there are more than 5 URLs, it's FB spam...
while ((nPos = msg.indexOf("http", nPos)) > -1) {
if (++nLinks > 5) {
isJunk = true;
break;
}
}
return isJunk;
}
}