io.selendroid.server.handler.RequestRedirectHandler.java Source code

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Here is the source code for io.selendroid.server.handler.RequestRedirectHandler.java

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/*
 * Copyright 2012-2014 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.handler;

import io.netty.handler.codec.http.HttpMethod;
import io.selendroid.android.AndroidDevice;
import io.selendroid.exceptions.AppCrashedException;
import io.selendroid.exceptions.SelendroidException;
import io.selendroid.server.BaseSelendroidServerHandler;
import io.selendroid.server.Response;
import io.selendroid.server.SelendroidResponse;
import io.selendroid.server.StatusCode;
import io.selendroid.server.model.ActiveSession;
import io.selendroid.server.util.HttpClientUtil;
import org.apache.http.HttpResponse;
import org.json.JSONException;
import org.json.JSONObject;
import org.openqa.selenium.logging.LogEntry;
import io.selendroid.server.http.HttpRequest;

import java.net.SocketException;
import java.util.logging.Logger;

public class RequestRedirectHandler extends BaseSelendroidServerHandler {
    private static final Logger log = Logger.getLogger(RequestRedirectHandler.class.getName());

    public RequestRedirectHandler(String mappedUri) {
        super(mappedUri);
    }

    @Override
    public Response handle(HttpRequest request) throws JSONException {
        String sessionId = getSessionId(request);
        log.info("forward request command: for session " + sessionId);

        ActiveSession session = getSelendroidDriver(request).getActiveSession(sessionId);
        if (session == null) {
            return respondWithRedirectFailure(sessionId,
                    new SelendroidException("No session found for given sessionId: " + sessionId));
        }
        if (session.isInvalid()) {
            return respondWithRedirectFailure(sessionId,
                    new SelendroidException("The test session has been marked as invalid. "
                            + "This happens if a hardware device was disconnected but a "
                            + "test session was still active on the device."));
        }
        String url = "http://localhost:" + session.getSelendroidServerPort() + request.uri();

        String method = request.method();

        JSONObject response = null;

        int retries = 3;
        while (retries-- > 0) {
            try {
                response = redirectRequest(request, session, url, method);
                break;
            } catch (Exception e) {
                if (retries == 0) {
                    AndroidDevice device = session.getDevice();

                    String crashMessage = device.getCrashLog();
                    if (!crashMessage.isEmpty()) {
                        return respondWithRedirectFailure(sessionId, new AppCrashedException(crashMessage));
                    }

                    if (device.isLoggingEnabled()) {
                        log.info("getting logs");
                        device.setVerbose();
                        for (LogEntry le : device.getLogs()) {
                            System.out.println(le.getMessage());
                        }
                    }

                    if (e instanceof SocketException) {
                        return respondWithRedirectFailure(sessionId, new SelendroidException(
                                "The selendroid server on the device became unreachable.\nThis most likely means the app under "
                                        + "test crashed or has been killed by the OS in a way that can't be detected using the default "
                                        + "uncaught exception handler.\n"
                                        + "Try to look for the reason of the crash in logcat."));
                    } else {
                        return respondWithRedirectFailure(sessionId, new SelendroidException(
                                "Unexpected error communicating with selendroid server on the device", e));
                    }
                } else {
                    log.severe("failed to forward request to Selendroid Server");
                }
            }
        }
        Object value = response.opt("value");
        if (value != null) {
            String displayed = String.valueOf(value);
            // 2 lines of an 80 column display
            if (displayed.length() > 160) {
                displayed = displayed.substring(0, 157) + "...";
            }
            log.info("return value from selendroid android server: " + displayed);
        }
        int status = response.getInt("status");

        log.fine("return value from selendroid android server: " + value);
        log.fine("return status from selendroid android server: " + status);

        return new SelendroidResponse(sessionId, StatusCode.fromInteger(status), value);
    }

    private SelendroidResponse respondWithRedirectFailure(String sessionId, Exception e) throws JSONException {
        return new SelendroidResponse(sessionId, StatusCode.UNKNOWN_ERROR, e);
    }

    private JSONObject redirectRequest(HttpRequest request, ActiveSession session, String url, String method)
            throws Exception {

        HttpResponse r = null;
        if ("get".equalsIgnoreCase(method)) {
            log.info("GET redirect to: " + url);
            r = HttpClientUtil.executeRequest(url, HttpMethod.GET);
        } else if ("post".equalsIgnoreCase(method)) {
            log.info("POST redirect to: " + url);
            JSONObject payload = getPayload(request);
            log.info("Payload? " + payload);
            r = HttpClientUtil.executeRequestWithPayload(url, session.getSelendroidServerPort(), HttpMethod.POST,
                    payload.toString());
        } else if ("delete".equalsIgnoreCase(method)) {
            log.info("DELETE redirect to: " + url);
            r = HttpClientUtil.executeRequest(url, HttpMethod.DELETE);
        } else {
            throw new SelendroidException("HTTP method not supported: " + method);
        }
        return HttpClientUtil.parseJsonResponse(r);
    }
}