Android Open Source - phonegap-cl Exposed Js Api

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The source code is released under:

MIT License

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       Licensed to the Apache Software Foundation (ASF) under one
       or more contributor license agreements.  See the NOTICE file
       distributed with this work for additional information
       regarding copyright ownership.  The ASF licenses this file
       to you 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
// ww w.j  a v  a2  s .c  o  m

       Unless required by applicable law or agreed to in writing,
       software distributed under the License is distributed on an
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package org.apache.cordova;

import android.webkit.JavascriptInterface;
import org.apache.cordova.PluginManager;
import org.json.JSONException;

 * Contains APIs that the JS can call. All functions in here should also have
 * an equivalent entry in, and be added to
 * cordova-js/lib/android/plugin/android/promptbasednativeapi.js
/* package */ class ExposedJsApi {
    private PluginManager pluginManager;
    private NativeToJsMessageQueue jsMessageQueue;
    public ExposedJsApi(PluginManager pluginManager, NativeToJsMessageQueue jsMessageQueue) {
        this.pluginManager = pluginManager;
        this.jsMessageQueue = jsMessageQueue;

    public String exec(String service, String action, String callbackId, String arguments) throws JSONException {
        // If the arguments weren't received, send a message back to JS.  It will switch bridge modes and try again.  See CB-2666.
        // We send a message meant specifically for this case.  It starts with "@" so no other message can be encoded into the same string.
        if (arguments == null) {
            return "@Null arguments.";

        try {
            // Tell the resourceApi what thread the JS is running on.
            CordovaResourceApi.jsThread = Thread.currentThread();
            pluginManager.exec(service, action, callbackId, arguments);
            String ret = "";
            if (!NativeToJsMessageQueue.DISABLE_EXEC_CHAINING) {
                ret = jsMessageQueue.popAndEncode(false);
            return ret;
        } catch (Throwable e) {
            return "";
        } finally {
    public void setNativeToJsBridgeMode(int value) {
    public String retrieveJsMessages(boolean fromOnlineEvent) {
        return jsMessageQueue.popAndEncode(fromOnlineEvent);

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