| /* |
| * ==================================================================== |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| * |
| */ |
| package org.apache.hc.client5.http.impl.cache; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.io.SequenceInputStream; |
| import java.util.List; |
| import java.util.Set; |
| |
| import org.apache.hc.core5.function.Supplier; |
| import org.apache.hc.core5.http.Header; |
| import org.apache.hc.core5.http.HttpEntity; |
| import org.apache.hc.core5.util.Args; |
| import org.apache.hc.core5.util.ByteArrayBuffer; |
| |
| class CombinedEntity implements HttpEntity { |
| |
| private final HttpEntity entity; |
| private final InputStream combinedStream; |
| |
| CombinedEntity(final HttpEntity entity, final ByteArrayBuffer buf) throws IOException { |
| super(); |
| this.entity = entity; |
| this.combinedStream = new SequenceInputStream( |
| new ByteArrayInputStream(buf.array(), 0, buf.length()), |
| entity.getContent()); |
| } |
| |
| @Override |
| public long getContentLength() { |
| return -1; |
| } |
| |
| @Override |
| public String getContentType() { |
| return entity.getContentType(); |
| } |
| |
| @Override |
| public String getContentEncoding() { |
| return entity.getContentEncoding(); |
| } |
| |
| @Override |
| public boolean isChunked() { |
| return true; |
| } |
| |
| @Override |
| public boolean isRepeatable() { |
| return false; |
| } |
| |
| @Override |
| public boolean isStreaming() { |
| return true; |
| } |
| |
| @Override |
| public InputStream getContent() throws IOException, IllegalStateException { |
| return this.combinedStream; |
| } |
| |
| @Override |
| public Set<String> getTrailerNames() { |
| return entity.getTrailerNames(); |
| } |
| |
| @Override |
| public Supplier<List<? extends Header>> getTrailers() { |
| return entity.getTrailers(); |
| } |
| |
| @Override |
| public void writeTo(final OutputStream outStream) throws IOException { |
| Args.notNull(outStream, "Output stream"); |
| try (InputStream inStream = getContent()) { |
| int l; |
| final byte[] tmp = new byte[2048]; |
| while ((l = inStream.read(tmp)) != -1) { |
| outStream.write(tmp, 0, l); |
| } |
| } |
| } |
| |
| @Override |
| public void close() throws IOException { |
| try { |
| combinedStream.close(); |
| } finally { |
| entity.close(); |
| } |
| } |
| |
| } |