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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.building;
20  
21  import java.io.ByteArrayInputStream;
22  import java.io.IOException;
23  import java.io.InputStream;
24  import java.nio.charset.StandardCharsets;
25  
26  /**
27   * Wraps an ordinary {@link CharSequence} as a source.
28   *
29   * @deprecated since 4.0.0, use {@link org.apache.maven.api.services} instead
30   */
31  @Deprecated(since = "4.0.0")
32  public class StringSource implements Source {
33      private final String content;
34  
35      private final String location;
36  
37      private final int hashCode;
38  
39      /**
40       * Creates a new source backed by the specified string.
41       *
42       * @param content The String representation, may be empty or {@code null}.
43       */
44      public StringSource(CharSequence content) {
45          this(content, null);
46      }
47  
48      /**
49       * Creates a new source backed by the specified string.
50       *
51       * @param content The String representation, may be empty or {@code null}.
52       * @param location The location to report for this use, may be {@code null}.
53       */
54      public StringSource(CharSequence content, String location) {
55          this.content = (content != null) ? content.toString() : "";
56          this.location = (location != null) ? location : "(memory)";
57          this.hashCode = this.content.hashCode();
58      }
59  
60      @Override
61      public InputStream getInputStream() throws IOException {
62          return new ByteArrayInputStream(content.getBytes(StandardCharsets.UTF_8));
63      }
64  
65      @Override
66      public String getLocation() {
67          return location;
68      }
69  
70      /**
71       * Gets the content of this source.
72       *
73       * @return The underlying character stream, never {@code null}.
74       */
75      public String getContent() {
76          return content;
77      }
78  
79      @Override
80      public String toString() {
81          return getLocation();
82      }
83  
84      @Override
85      public int hashCode() {
86          return hashCode;
87      }
88  
89      @Override
90      public boolean equals(Object obj) {
91          if (this == obj) {
92              return true;
93          }
94  
95          if (obj == null) {
96              return false;
97          }
98  
99          if (!StringSource.class.equals(obj.getClass())) {
100             return false;
101         }
102 
103         StringSource other = (StringSource) obj;
104         return this.content.equals(other.content);
105     }
106 }