69 lines
2.4 KiB
Java
69 lines
2.4 KiB
Java
|
/*
|
||
|
|
* Copyright (C) 2010 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 android.net;
|
||
|
|
|
||
|
|
import org.apache.harmony.xnet.provider.jsse.FileClientSessionCache;
|
||
|
|
import org.apache.harmony.xnet.provider.jsse.SSLClientSessionCache;
|
||
|
|
|
||
|
|
import android.content.Context;
|
||
|
|
import android.util.Log;
|
||
|
|
|
||
|
|
import java.io.File;
|
||
|
|
import java.io.IOException;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* File-based cache of established SSL sessions. When re-establishing a
|
||
|
|
* connection to the same server, using an SSL session cache can save some time,
|
||
|
|
* power, and bandwidth by skipping directly to an encrypted stream.
|
||
|
|
* This is a persistent cache which can span executions of the application.
|
||
|
|
*
|
||
|
|
* @see SSLCertificateSocketFactory
|
||
|
|
*/
|
||
|
|
public final class SSLSessionCache {
|
||
|
|
private static final String TAG = "SSLSessionCache";
|
||
|
|
/* package */ final SSLClientSessionCache mSessionCache;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Create a session cache using the specified directory.
|
||
|
|
* Individual session entries will be files within the directory.
|
||
|
|
* Multiple instances for the same directory share data internally.
|
||
|
|
*
|
||
|
|
* @param dir to store session files in (created if necessary)
|
||
|
|
* @throws IOException if the cache can't be opened
|
||
|
|
*/
|
||
|
|
public SSLSessionCache(File dir) throws IOException {
|
||
|
|
mSessionCache = FileClientSessionCache.usingDirectory(dir);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Create a session cache at the default location for this app.
|
||
|
|
* Multiple instances share data internally.
|
||
|
|
*
|
||
|
|
* @param context for the application
|
||
|
|
*/
|
||
|
|
public SSLSessionCache(Context context) {
|
||
|
|
File dir = context.getDir("sslcache", Context.MODE_PRIVATE);
|
||
|
|
SSLClientSessionCache cache = null;
|
||
|
|
try {
|
||
|
|
cache = FileClientSessionCache.usingDirectory(dir);
|
||
|
|
} catch (IOException e) {
|
||
|
|
Log.w(TAG, "Unable to create SSL session cache in " + dir, e);
|
||
|
|
}
|
||
|
|
mSessionCache = cache;
|
||
|
|
}
|
||
|
|
}
|