JavaScriptBoundBridge.java
/*
* Copyright (C) 2015 The Android Open Source Project
*
* 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 androidx.test.espresso.web.bridge;
import static androidx.test.internal.util.Checks.checkNotNull;
import android.util.Log;
import android.webkit.JavascriptInterface;
import java.util.ArrayList;
import java.util.List;
/**
* The actual class injected as a JavascriptInterface in every web view.
*/
final class JavaScriptBoundBridge {
private static final String TAG = "JS_BRIDGE";
private final List<Conduit> conduits = new ArrayList<>();
void addConduit(Conduit conduit) {
checkNotNull(conduit);
synchronized (conduits) {
conduits.add(conduit);
}
}
/**
* Called via javascript with the results of some computation.
*/
@JavascriptInterface
public void setResult(String token, String result) {
Log.d(TAG, "Token: " + token + " result: " + result);
synchronized (conduits) {
for (int i = 0; i < conduits.size(); i++) {
Conduit conduit = conduits.get(i);
if (conduit.getToken().equals(token)) {
conduit.internalGetResult().set(result);
conduits.remove(i);
return;
}
}
}
Log.e(TAG, "UFO result received - token: " + token + " message: " + result);
}
@JavascriptInterface
public void setError(String token, String error) {
Log.d(TAG, "Token: " + token + " result: " + error);
synchronized (conduits) {
for (int i = 0; i < conduits.size(); i++) {
Conduit conduit = conduits.get(i);
if (conduit.getToken().equals(token)) {
conduit.internalGetResult().setException(new RuntimeException(error));
conduits.remove(i);
return;
}
}
}
Log.e(TAG, "UFO error received - token: " + token + " message: " + error);
}
@JavascriptInterface
public void log_i(String tag, String message) {
Log.i(tag, message);
}
}