1 package org.apache.maven.building;
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.ByteArrayInputStream;
23 import java.io.IOException;
24 import java.io.InputStream;
25 import java.nio.charset.StandardCharsets;
26
27 /**
28 * Wraps an ordinary {@link CharSequence} as a source.
29 *
30 * @author Benjamin Bentmann
31 */
32 public class StringSource
33 implements Source
34 {
35
36 private String content;
37
38 private String location;
39
40 /**
41 * Creates a new source backed by the specified string.
42 *
43 * @param content The String representation, may be empty or {@code null}.
44 */
45 public StringSource( CharSequence content )
46 {
47 this( content, null );
48 }
49
50 /**
51 * Creates a new source backed by the specified string.
52 *
53 * @param content The String representation, may be empty or {@code null}.
54 * @param location The location to report for this use, may be {@code null}.
55 */
56 public StringSource( CharSequence content, String location )
57 {
58 this.content = ( content != null ) ? content.toString() : "";
59 this.location = ( location != null ) ? location : "(memory)";
60 }
61
62 @Override
63 public InputStream getInputStream()
64 throws IOException
65 {
66 return new ByteArrayInputStream( content.getBytes( StandardCharsets.UTF_8 ) );
67 }
68
69 @Override
70 public String getLocation()
71 {
72 return location;
73 }
74
75 /**
76 * Gets the content of this source.
77 *
78 * @return The underlying character stream, never {@code null}.
79 */
80 public String getContent()
81 {
82 return content;
83 }
84
85 @Override
86 public String toString()
87 {
88 return getLocation();
89 }
90
91 }