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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.model.io;
20  
21  import java.io.IOException;
22  
23  /**
24   * Signals a failure to parse the POM due to invalid syntax (e.g. non-wellformed XML or unknown elements).
25   *
26   * @author Benjamin Bentmann
27   */
28  public class ModelParseException extends IOException {
29  
30      /**
31       * The one-based index of the line containing the error.
32       */
33      private final int lineNumber;
34  
35      /**
36       * The one-based index of the column containing the error.
37       */
38      private final int columnNumber;
39  
40      /**
41       * Creates a new parser exception with the specified details.
42       *
43       * @param message The error message, may be {@code null}.
44       * @param lineNumber The one-based index of the line containing the error or {@code -1} if unknown.
45       * @param columnNumber The one-based index of the column containing the error or {@code -1} if unknown.
46       */
47      public ModelParseException(String message, int lineNumber, int columnNumber) {
48          super(message);
49          this.lineNumber = lineNumber;
50          this.columnNumber = columnNumber;
51      }
52  
53      /**
54       * Creates a new parser exception with the specified details.
55       *
56       * @param message The error message, may be {@code null}.
57       * @param lineNumber The one-based index of the line containing the error or {@code -1} if unknown.
58       * @param columnNumber The one-based index of the column containing the error or {@code -1} if unknown.
59       * @param cause The nested cause of this error, may be {@code null}.
60       */
61      public ModelParseException(String message, int lineNumber, int columnNumber, Throwable cause) {
62          super(message);
63          initCause(cause);
64          this.lineNumber = lineNumber;
65          this.columnNumber = columnNumber;
66      }
67  
68      /**
69       * Gets the one-based index of the line containing the error.
70       *
71       * @return The one-based index of the line containing the error or a non-positive value if unknown.
72       */
73      public int getLineNumber() {
74          return lineNumber;
75      }
76  
77      /**
78       * Gets the one-based index of the column containing the error.
79       *
80       * @return The one-based index of the column containing the error or non-positive value if unknown.
81       */
82      public int getColumnNumber() {
83          return columnNumber;
84      }
85  }