| /* |
| * Copyright (C) 2007 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.webkit; |
| |
| import android.net.http.Headers; |
| import android.text.TextUtils; |
| import android.webkit.JniUtil; |
| |
| /** |
| * This class is a concrete implementation of StreamLoader that uses a |
| * CacheResult as the source for the stream. The CacheResult stored mimetype |
| * and encoding is added to the HTTP response headers. |
| */ |
| class CacheLoader extends StreamLoader { |
| |
| CacheManager.CacheResult mCacheResult; // Content source |
| |
| /** |
| * Constructs a CacheLoader for use when loading content from the cache. |
| * |
| * @param loadListener LoadListener to pass the content to |
| * @param result CacheResult used as the source for the content. |
| */ |
| CacheLoader(LoadListener loadListener, CacheManager.CacheResult result) { |
| super(loadListener); |
| |
| assert !JniUtil.useChromiumHttpStack(); |
| |
| mCacheResult = result; |
| } |
| |
| @Override |
| protected boolean setupStreamAndSendStatus() { |
| mDataStream = mCacheResult.inStream; |
| mContentLength = mCacheResult.contentLength; |
| mLoadListener.status(1, 1, mCacheResult.httpStatusCode, "OK"); |
| return true; |
| } |
| |
| @Override |
| protected void buildHeaders(Headers headers) { |
| StringBuilder sb = new StringBuilder(mCacheResult.mimeType); |
| if (!TextUtils.isEmpty(mCacheResult.encoding)) { |
| sb.append(';'); |
| sb.append(mCacheResult.encoding); |
| } |
| headers.setContentType(sb.toString()); |
| |
| if (!TextUtils.isEmpty(mCacheResult.location)) { |
| headers.setLocation(mCacheResult.location); |
| } |
| |
| if (!TextUtils.isEmpty(mCacheResult.expiresString)) { |
| headers.setExpires(mCacheResult.expiresString); |
| } |
| |
| if (!TextUtils.isEmpty(mCacheResult.contentdisposition)) { |
| headers.setContentDisposition(mCacheResult.contentdisposition); |
| } |
| |
| if (!TextUtils.isEmpty(mCacheResult.crossDomain)) { |
| headers.setXPermittedCrossDomainPolicies(mCacheResult.crossDomain); |
| } |
| } |
| } |