1 package org.apache.maven.index.reader.resource;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import java.io.BufferedInputStream;
23 import java.io.IOException;
24
25 import org.apache.maven.index.reader.ResourceHandler;
26
27 import static java.util.Objects.requireNonNull;
28
29 /**
30 * Wraps {@link ResourceHandler}s so that they return {@link Resource}s that return {@link
31 * BufferedInputStream}s.
32 */
33 public class BufferedResourceHandler implements ResourceHandler
34 {
35 private final ResourceHandler resourceHandler;
36
37 public BufferedResourceHandler( ResourceHandler resourceHandler )
38 {
39 requireNonNull( resourceHandler, "resourceHandler cannot be null" );
40 this.resourceHandler = resourceHandler;
41 }
42
43 @Override
44 public Resource locate( String name ) throws IOException
45 {
46 return new BufferedResource( resourceHandler.locate( name ) );
47 }
48
49 @Override
50 public void close() throws IOException
51 {
52 resourceHandler.close();
53 }
54 }