19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2007 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage android.webkit; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.net.http.Headers; 200b956e1353a691674cb22c899c5a444b92532b60Grace Klobaimport android.text.TextUtils; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This class is a concrete implementation of StreamLoader that uses a 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * CacheResult as the source for the stream. The CacheResult stored mimetype 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and encoding is added to the HTTP response headers. 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectclass CacheLoader extends StreamLoader { 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project CacheManager.CacheResult mCacheResult; // Content source 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Constructs a CacheLoader for use when loading content from the cache. 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param loadListener LoadListener to pass the content to 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param result CacheResult used as the source for the content. 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project CacheLoader(LoadListener loadListener, CacheManager.CacheResult result) { 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(loadListener); 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCacheResult = result; 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected boolean setupStreamAndSendStatus() { 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDataStream = mCacheResult.inStream; 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mContentLength = mCacheResult.contentLength; 46ac75f56600691d318d40301204baaf840c9586f2Grace Kloba mLoadListener.status(1, 1, mCacheResult.httpStatusCode, "OK"); 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void buildHeaders(Headers headers) { 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringBuilder sb = new StringBuilder(mCacheResult.mimeType); 530b956e1353a691674cb22c899c5a444b92532b60Grace Kloba if (!TextUtils.isEmpty(mCacheResult.encoding)) { 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sb.append(';'); 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sb.append(mCacheResult.encoding); 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project headers.setContentType(sb.toString()); 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 590b956e1353a691674cb22c899c5a444b92532b60Grace Kloba if (!TextUtils.isEmpty(mCacheResult.location)) { 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project headers.setLocation(mCacheResult.location); 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 630b956e1353a691674cb22c899c5a444b92532b60Grace Kloba if (!TextUtils.isEmpty(mCacheResult.expiresString)) { 640b956e1353a691674cb22c899c5a444b92532b60Grace Kloba headers.setExpires(mCacheResult.expiresString); 650b956e1353a691674cb22c899c5a444b92532b60Grace Kloba } 660b956e1353a691674cb22c899c5a444b92532b60Grace Kloba 670b956e1353a691674cb22c899c5a444b92532b60Grace Kloba if (!TextUtils.isEmpty(mCacheResult.contentdisposition)) { 680b956e1353a691674cb22c899c5a444b92532b60Grace Kloba headers.setContentDisposition(mCacheResult.contentdisposition); 690b956e1353a691674cb22c899c5a444b92532b60Grace Kloba } 7060708a75120c4469dc2683485301ff9ee3b022e0Leon Clarke 7160708a75120c4469dc2683485301ff9ee3b022e0Leon Clarke if (!TextUtils.isEmpty(mCacheResult.crossDomain)) { 7260708a75120c4469dc2683485301ff9ee3b022e0Leon Clarke headers.setXPermittedCrossDomainPolicies(mCacheResult.crossDomain); 7360708a75120c4469dc2683485301ff9ee3b022e0Leon Clarke } 740b956e1353a691674cb22c899c5a444b92532b60Grace Kloba } 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 76