io.selendroid.server.util.HttpClientUtil.java Source code

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Here is the source code for io.selendroid.server.util.HttpClientUtil.java

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/*
 * Copyright 2012-2013 eBay Software Foundation and selendroid committers.
 * 
 * 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 io.selendroid.server.util;

import static java.util.concurrent.TimeUnit.MINUTES;
import io.selendroid.SelendroidCapabilities;

import java.util.logging.Logger;

import org.apache.commons.io.IOUtils;
import org.apache.http.HttpHost;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpDelete;
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.message.BasicHttpEntityEnclosingRequest;
import org.jboss.netty.handler.codec.http.HttpMethod;
import org.json.JSONException;
import org.json.JSONObject;

import com.google.common.base.Throwables;

public class HttpClientUtil {
    private static final Logger log = Logger.getLogger(HttpClientUtil.class.getName());

    public static HttpClient getHttpClient() {
        return new DefaultHttpClient();
    }

    public static HttpResponse executeRequestWithPayload(String uri, int port, HttpMethod method, String payload)
            throws Exception {
        BasicHttpEntityEnclosingRequest request = new BasicHttpEntityEnclosingRequest(method.getName(), uri);
        request.setEntity(new StringEntity(payload, "UTF-8"));

        return getHttpClient().execute(new HttpHost("localhost", port), request);
    }

    public static JSONObject parseJsonResponse(HttpResponse response) throws Exception {
        String r = IOUtils.toString(response.getEntity().getContent(), "UTF-8");
        try {
            return new JSONObject(r);
        } catch (JSONException e) {
            log.severe("Failed to parse json response: " + r);
            throw e;
        }
    }

    public static HttpResponse executeRequest(String url, HttpMethod method) throws Exception {
        HttpRequestBase request = null;
        if (HttpMethod.GET.equals(method)) {
            request = new HttpGet(url);
        } else if (HttpMethod.POST.equals(method)) {
            request = new HttpPost(url);
        } else if (HttpMethod.DELETE.equals(method)) {
            request = new HttpDelete(url);
        } else {
            throw new RuntimeException("Provided HttpMethod not supported");
        }
        return getHttpClient().execute(request);
    }

    public static HttpResponse executeCreateSessionRequest(int port, SelendroidCapabilities desiredCapabilities)
            throws Exception {
        String url = "http://localhost:" + port + "/wd/hub/session";
        log.info("creating session by using url: " + url);
        JSONObject payload = new JSONObject();
        payload.put("desiredCapabilities", new JSONObject(desiredCapabilities.asMap()));
        HttpResponse response = executeRequestWithPayload(url, port, HttpMethod.POST, payload.toString());
        return response;
    }

    public static boolean isServerStarted(int port) {
        HttpResponse response = null;
        try {
            response = executeRequest("http://localhost:" + port + "/wd/hub/sessions", HttpMethod.GET);
        } catch (Exception e) {
            return false;
        }
        try {
            JSONObject result = parseJsonResponse(response);
            return result.getInt("status") == 0;
        } catch (Exception e) {
            return false;
        }
    }

    public static void waitForServer(int port) {
        long end = System.currentTimeMillis() + MINUTES.toMillis(3);

        while (!isServerStarted(port) && System.currentTimeMillis() < end) {
            try {
                Thread.sleep(500);
            } catch (InterruptedException e) {
                throw Throwables.propagate(e);
            }
        }
    }
}