1 /**
2  * Copyright (c) 2013, The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *     http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 package com.android.pacprocessor;
17 
18 import android.util.Log;
19 
20 /**
21  * @hide
22  */
23 public class PacNative {
24     private static final String TAG = "PacProxy";
25 
26     private String mCurrentPac;
27 
28     private boolean mIsActive;
29 
30     // Only make native calls from inside synchronized blocks.
createV8ParserNativeLocked()31     private native boolean createV8ParserNativeLocked();
destroyV8ParserNativeLocked()32     private native boolean destroyV8ParserNativeLocked();
33 
setProxyScriptNativeLocked(String script)34     private native boolean setProxyScriptNativeLocked(String script);
35 
makeProxyRequestNativeLocked(String url, String host)36     private native String makeProxyRequestNativeLocked(String url, String host);
37 
38     static {
39         System.loadLibrary("jni_pacprocessor");
40     }
41 
PacNative()42     PacNative() {
43 
44     }
45 
startPacSupport()46     public synchronized boolean startPacSupport() {
47         if (createV8ParserNativeLocked()) {
48             Log.e(TAG, "Unable to Create v8 Proxy Parser.");
49             return true;
50         }
51         mIsActive = true;
52         return false;
53     }
54 
stopPacSupport()55     public synchronized boolean stopPacSupport() {
56         if (mIsActive) {
57             if (destroyV8ParserNativeLocked()) {
58                 Log.e(TAG, "Unable to Destroy v8 Proxy Parser.");
59                 return true;
60             }
61             mIsActive = false;
62         }
63         return false;
64     }
65 
setCurrentProxyScript(String script)66     public synchronized boolean setCurrentProxyScript(String script) {
67         if (setProxyScriptNativeLocked(script)) {
68             Log.e(TAG, "Unable to parse proxy script.");
69             return true;
70         }
71         return false;
72     }
73 
makeProxyRequest(String url, String host)74     public synchronized String makeProxyRequest(String url, String host) {
75         String ret = makeProxyRequestNativeLocked(url, host);
76         if ((ret == null) || (ret.length() == 0)) {
77             Log.e(TAG, "v8 Proxy request failed.");
78             ret = null;
79         }
80         return ret;
81     }
82 
isActive()83     public synchronized boolean isActive() {
84         return mIsActive;
85     }
86 }
87