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