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