1 /* 2 * ==================================================================== 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * ==================================================================== 20 * 21 * This software consists of voluntary contributions made by many 22 * individuals on behalf of the Apache Software Foundation. For more 23 * information on the Apache Software Foundation, please see 24 * <http://www.apache.org/>. 25 * 26 */ 27 package org.apache.http.impl.client.cache; 28 29 import java.io.ByteArrayInputStream; 30 import java.io.InputStream; 31 32 import org.apache.http.annotation.Contract; 33 import org.apache.http.annotation.ThreadingBehavior; 34 import org.apache.http.client.cache.Resource; 35 36 /** 37 * Cache resource backed by a byte array on the heap. 38 * 39 * @since 4.1 40 */ 41 @Contract(threading = ThreadingBehavior.IMMUTABLE) 42 public class HeapResource implements Resource { 43 44 private static final long serialVersionUID = -2078599905620463394L; 45 46 private final byte[] b; 47 48 public HeapResource(final byte[] b) { 49 super(); 50 this.b = b; 51 } 52 53 byte[] getByteArray() { 54 return this.b; 55 } 56 57 @Override 58 public InputStream getInputStream() { 59 return new ByteArrayInputStream(this.b); 60 } 61 62 @Override 63 public long length() { 64 return this.b.length; 65 } 66 67 @Override 68 public void dispose() { 69 } 70 71 }