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.IOException;
22 import java.io.InputStream;
23 import java.io.OutputStream;
24 import java.nio.file.Files;
25 import java.nio.file.NoSuchFileException;
26 import java.nio.file.Path;
27
28 import org.apache.maven.index.reader.WritableResourceHandler.WritableResource;
29
30 import static java.util.Objects.requireNonNull;
31
32 /**
33 * A {@link WritableResource} that represents a {@link Path}.
34 */
35 public class PathWritableResource implements WritableResource {
36 private final Path path;
37
38 public PathWritableResource(Path path) {
39 requireNonNull(path, "path cannot be null");
40 this.path = path;
41 }
42
43 @Override
44 public OutputStream write() throws IOException {
45 return Files.newOutputStream(path);
46 }
47
48 @Override
49 public InputStream read() throws IOException {
50 try {
51 return Files.newInputStream(path);
52 } catch (NoSuchFileException e) {
53 return null;
54 }
55 }
56
57 @Override
58 public void close() throws IOException {}
59 }