diff options
Diffstat (limited to 'core/java/android/webkit/CacheLoader.java')
-rw-r--r-- | core/java/android/webkit/CacheLoader.java | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/core/java/android/webkit/CacheLoader.java b/core/java/android/webkit/CacheLoader.java new file mode 100644 index 0000000..3e1b602 --- /dev/null +++ b/core/java/android/webkit/CacheLoader.java @@ -0,0 +1,65 @@ +/* + * 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; + +/** + * 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); + mCacheResult = result; + } + + @Override + protected boolean setupStreamAndSendStatus() { + mDataStream = mCacheResult.inStream; + mContentLength = mCacheResult.contentLength; + mHandler.status(1, 1, mCacheResult.httpStatusCode, "OK"); + return true; + } + + @Override + protected void buildHeaders(Headers headers) { + StringBuilder sb = new StringBuilder(mCacheResult.mimeType); + if (mCacheResult.encoding != null && + mCacheResult.encoding.length() > 0) { + sb.append(';'); + sb.append(mCacheResult.encoding); + } + headers.setContentType(sb.toString()); + + if (mCacheResult.location != null && + mCacheResult.location.length() > 0) { + headers.setLocation(mCacheResult.location); + } + } + +} |