69 lines
2.4 KiB
Java
69 lines
2.4 KiB
Java
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.net;
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import org.apache.harmony.xnet.provider.jsse.FileClientSessionCache;
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import org.apache.harmony.xnet.provider.jsse.SSLClientSessionCache;
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import android.content.Context;
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import android.util.Log;
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import java.io.File;
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import java.io.IOException;
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/**
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* File-based cache of established SSL sessions. When re-establishing a
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* connection to the same server, using an SSL session cache can save some time,
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* power, and bandwidth by skipping directly to an encrypted stream.
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* This is a persistent cache which can span executions of the application.
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*
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* @see SSLCertificateSocketFactory
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*/
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public final class SSLSessionCache {
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private static final String TAG = "SSLSessionCache";
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/* package */ final SSLClientSessionCache mSessionCache;
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/**
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* Create a session cache using the specified directory.
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* Individual session entries will be files within the directory.
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* Multiple instances for the same directory share data internally.
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*
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* @param dir to store session files in (created if necessary)
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* @throws IOException if the cache can't be opened
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*/
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public SSLSessionCache(File dir) throws IOException {
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mSessionCache = FileClientSessionCache.usingDirectory(dir);
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}
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/**
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* Create a session cache at the default location for this app.
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* Multiple instances share data internally.
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*
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* @param context for the application
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*/
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public SSLSessionCache(Context context) {
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File dir = context.getDir("sslcache", Context.MODE_PRIVATE);
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SSLClientSessionCache cache = null;
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try {
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cache = FileClientSessionCache.usingDirectory(dir);
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} catch (IOException e) {
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Log.w(TAG, "Unable to create SSL session cache in " + dir, e);
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}
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mSessionCache = cache;
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}
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}
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