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.BufferedOutputStream;
23 import java.io.IOException;
24 import java.io.OutputStream;
25
26 import org.apache.maven.index.reader.WritableResourceHandler.WritableResource;
27
28 /**
29 * Wraps {@link WritableResource}s so that they return {@link BufferedInputStream}s and {@link
30 * BufferedOutputStream}s.
31 */
32 public class BufferedWritableResource extends BufferedResource implements WritableResource {
33 private final WritableResource resource;
34
35 public BufferedWritableResource(WritableResource resource) {
36 super(resource);
37 this.resource = resource;
38 }
39
40 @Override
41 public OutputStream write() throws IOException {
42 OutputStream out = resource.write();
43 if (out == null) {
44 return null;
45 }
46 return new BufferedOutputStream(out);
47 }
48
49 @Override
50 public void close() throws IOException {
51 resource.close();
52 }
53 }