edu.stanford.junction.extra.Capsizer.java Source code

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Here is the source code for edu.stanford.junction.extra.Capsizer.java

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/*
 * Copyright (C) 2010 Stanford University
 *
 * 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 edu.stanford.junction.extra;

import java.net.URI;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import org.json.JSONException;
import org.json.JSONObject;

import edu.stanford.junction.JunctionMaker;
import edu.stanford.junction.SwitchboardConfig;
import edu.stanford.junction.api.activity.JunctionActor;
import edu.stanford.junction.api.activity.JunctionExtra;
import edu.stanford.junction.api.messaging.MessageHeader;
import edu.stanford.junction.provider.xmpp.XMPPSwitchboardConfig;

public class Capsizer {

    static JunctionActor mActor = new JunctionActor("capsizer") {

        @Override
        public void onMessageReceived(MessageHeader header, JSONObject message) {
            // TODO Auto-generated method stub
            System.out.println("got: " + message.toString());
        }

        @Override
        public List<JunctionExtra> getInitialExtras() {
            ArrayList<JunctionExtra> extras = new ArrayList<JunctionExtra>();
            extras.add(new OutboundUpperCapsizer());
            extras.add(new OutboundLowerCapsizer());
            extras.add(new LogExtra());
            return extras;
        }

        @Override
        public void onActivityJoin() {
            JSONObject msg = new JSONObject();
            try {
                msg.put("msg", "SOOO... This Is Cool");
            } catch (JSONException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            sendMessageToSession(msg);
        }
    };

    public static void main(String[] args) {
        try {
            SwitchboardConfig switchboardConfig = new XMPPSwitchboardConfig("prpl.stanford.edu");
            JunctionMaker maker = JunctionMaker.getInstance(switchboardConfig);
            URI uri = new URI("junction://prpl.stanford.edu/capsizer");

            maker.newJunction(uri, mActor);

            synchronized (mActor) {
                mActor.wait();
            }
            System.out.println("Exiting.");
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

class OutboundUpperCapsizer extends JunctionExtra {
    @Override
    public boolean beforeSendMessage(JSONObject msg) {
        Iterator<String> keys = msg.keys();

        try {
            while (keys.hasNext()) {
                String k = keys.next();
                if (msg.get(k) instanceof String) {
                    String s = msg.getString(k);
                    msg.remove(k);
                    msg.put(k, s.toUpperCase());
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return true;
    }

    @Override
    public Integer getPriority() {
        return 30;
    }
}

class OutboundLowerCapsizer extends JunctionExtra {
    @Override
    public boolean beforeSendMessage(JSONObject msg) {
        Iterator<String> keys = msg.keys();

        try {
            while (keys.hasNext()) {
                String k = keys.next();
                if (msg.get(k) instanceof String) {
                    String s = msg.getString(k);
                    msg.remove(k);
                    msg.put(k, s.toLowerCase());
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return true;
    }

    @Override
    public Integer getPriority() {
        return 10;
    }
}

class InboundLowerCapsizer extends JunctionExtra {
    @Override
    public boolean beforeOnMessageReceived(MessageHeader h, JSONObject msg) {
        Iterator<String> keys = msg.keys();
        try {
            while (keys.hasNext()) {
                String k = keys.next();
                if (msg.get(k) instanceof String) {
                    String s = msg.getString(k);
                    msg.remove(k);
                    msg.put(k, s.toLowerCase());
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return true;
    }
}

class InboundUpperCapsizer extends JunctionExtra {
    @Override
    public boolean beforeOnMessageReceived(MessageHeader h, JSONObject msg) {
        Iterator<String> keys = msg.keys();
        try {
            while (keys.hasNext()) {
                String k = keys.next();
                if (msg.get(k) instanceof String) {
                    String s = msg.getString(k);
                    msg.remove(k);
                    msg.put(k, s.toUpperCase());
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return true;
    }
}

class LogExtra extends JunctionExtra {
    @Override
    public void afterOnMessageReceived(MessageHeader h, JSONObject msg) {
        System.out.println("logger received " + msg.toString());
    }
}