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
25 import org.apache.maven.index.reader.WritableResourceHandler;
26
27 import static java.util.Objects.requireNonNull;
28
29 /**
30 * Wraps {@link WritableResourceHandler}s so that they return {@link WritableResource}s that return
31 * {@link BufferedInputStream}s and {@link BufferedOutputStream}s.
32 */
33 public class BufferedWritableResourceHandler implements WritableResourceHandler {
34 private final WritableResourceHandler writableResourceHandler;
35
36 public BufferedWritableResourceHandler(WritableResourceHandler writableResourceHandler) {
37 requireNonNull(writableResourceHandler, "writableResourceHandler cannot be null");
38 this.writableResourceHandler = writableResourceHandler;
39 }
40
41 @Override
42 public WritableResource locate(String name) throws IOException {
43 return new BufferedWritableResource(writableResourceHandler.locate(name));
44 }
45
46 @Override
47 public void close() throws IOException {
48 writableResourceHandler.close();
49 }
50 }