/*
* Copyright 2012-2013 eBay Software Foundation and ios-driver 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 org.uiautomation.ios.wkrdp.internal;
import org.json.JSONException;
import org.json.JSONObject;
import org.openqa.selenium.WebDriverException;
import org.uiautomation.ios.wkrdp.ResponseFinder;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Default response finder for webkit. Waits up to 5 seconds and gives up. No detection of alerts
* for instance.
*/
public class DefaultWebKitResponseFinder implements ResponseFinder {
private static final Logger log = Logger.getLogger(DefaultMessageHandler.class.getName());
private final List<JSONObject> responses = new CopyOnWriteArrayList<JSONObject>();
private long start;
private long end;
private final long timeout;
private volatile boolean ok = true;
private volatile boolean stopped = false;
private WebDriverException exception;
private JSONObject response;
public DefaultWebKitResponseFinder(long timeout) {
this.timeout = timeout;
}
@Override
public void stop(){
stopped = true;
}
private void reset() {
start = System.currentTimeMillis();
this.end = start + timeout;
ok = true;
exception = null;
response = null;
}
public void addResponse(JSONObject response) {
responses.add(response);
}
@Override
public void startSearch(int id) {
reset();
long start = System.currentTimeMillis();
log.fine("begin search");
while (ok) {
synchronized (this) {
if (stopped){
try {
response = new JSONObject()
.put("id",id)
.put("error",new JSONObject()
.put("message","Webkit has been terminated"));
} catch (JSONException e) {
throw new WebDriverException(e);
}
return;
}
if (System.currentTimeMillis() > end) {
exception =
new WebDriverException("timeout (" + timeout + "ms) waiting for a response for request id: " + id);
return;
}
try {
Thread.sleep(10);
for (JSONObject o : responses) {
if (o.optInt("id") == id) {
responses.remove(o);
response = o;
if (log.isLoggable(Level.FINE))
log.fine("found a response " + (System.currentTimeMillis() - start) + "ms.");
return;
}
}
} catch (InterruptedException e) {
// ignore.
}
}
}
}
@Override
public synchronized void interruptSearch() {
ok = false;
}
@Override
public JSONObject getResponse() {
if (response != null) {
return response;
}
if (exception != null) {
throw exception;
}
return null;
}
}