playn.android.AndroidHeadlessNet.java Source code

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Here is the source code for playn.android.AndroidHeadlessNet.java

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/**
 * Copyright 2011 The PlayN Authors
 *
 * 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 playn.android;

import java.io.UnsupportedEncodingException;

import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.StatusLine;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpRequestBase;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;

import playn.core.NetImpl;
import playn.core.util.Callback;

/**
 * A headless version of {@link NetImpl} that is a copy of AndroidNet but avoids
 * the dependency on AndroidPlatform.
 *
 * @author Inderjeet Singh
 */
final class AndroidHeadlessNet extends NetImpl {

    @Override
    public void get(String url, Callback<String> callback) {
        doHttp(false, url, null, callback);
    }

    @Override
    public void post(String url, String data, Callback<String> callback) {
        doHttp(true, url, data, callback);
    }

    AndroidHeadlessNet(AndroidHeadlessPlatform platform) {
        super(platform);
    }

    private void doHttp(final boolean isPost, final String url, final String data,
            final Callback<String> callback) {
        platform.invokeAsync(new Runnable() {
            @Override
            public void run() {
                HttpClient httpclient = new DefaultHttpClient();
                HttpRequestBase req = null;
                if (isPost) {
                    HttpPost httppost = new HttpPost(url);
                    if (data != null) {
                        try {
                            httppost.setEntity(new StringEntity(data));
                        } catch (UnsupportedEncodingException e) {
                            platform.notifyFailure(callback, e);
                        }
                    }
                    req = httppost;
                } else {
                    req = new HttpGet(url);
                }
                try {
                    HttpResponse response = httpclient.execute(req);
                    StatusLine status = response.getStatusLine();
                    int code = status.getStatusCode();
                    if (code == HttpStatus.SC_OK) {
                        platform.notifySuccess(callback, EntityUtils.toString(response.getEntity()));
                    } else {
                        platform.notifyFailure(callback, new HttpException(code, status.getReasonPhrase()));
                    }
                } catch (Exception e) {
                    platform.notifyFailure(callback, e);
                }
            }

            @Override
            public String toString() {
                return "AndroidNet.doHttp(" + isPost + ", " + url + ")";
            }
        });
    }
}