net.benmoran.affectsampler.Synchronizer.java Source code

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Here is the source code for net.benmoran.affectsampler.Synchronizer.java

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/*
 * 
 *  Copyright 2009 (C) Ben Moran
 *  
 *  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 net.benmoran.affectsampler;

import java.net.URI;

import net.benmoran.affectsampler.datastore.AppEngineClient;

import org.apache.http.HttpResponse;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import android.util.Log;

public class Synchronizer {

    private static final int MISSING_LATEST = -1;
    private static final String TAG = "Synchronizer";

    private AppEngineClient mClient;

    public Synchronizer(AppEngineClient client) throws SyncException {

        mClient = client;
    }

    public int sync(JSONArray array) throws SyncException {
        int synced = 0;
        for (int i = 0; i < array.length(); ++i) {
            try {
                if (syncObject(array.getJSONObject(i))) {
                    synced++;
                }
            } catch (JSONException e) {
                throw new SyncException(e);
            }
        }
        return synced;
    }

    private boolean syncObject(JSONObject object) throws SyncException {
        Log.i(TAG, "Sending: " + object.toString());
        HttpResponse response = mClient.postJSON(getCreateSampleUri(), object.toString());
        Log.i(TAG, response.getStatusLine().toString());
        switch (response.getStatusLine().getStatusCode()) {
        case 201:
            return true;
        case 302:
            return false;
        default:
            throw new SyncException("Unexpected response to sync: " + response.getStatusLine().toString());
        }

    }

    private URI getCreateSampleUri() {
        return URI.create("/Sample/");
    }

    public long getLatest() {
        return MISSING_LATEST;
    }

}