View Javadoc
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.util.List;
22  
23  /**
24   * Collects problems that are encountered during settings building.
25   *
26   * @author Benjamin Bentmann
27   * @author Robert Scholte
28   */
29  public interface ProblemCollector {
30  
31      /**
32       * Adds the specified problem.
33       * Either message or exception is required
34       *
35       * @param severity The severity of the problem, must not be {@code null}.
36       * @param message The detail message of the problem, may be {@code null}.
37       * @param line The one-based index of the line containing the problem or {@code -1} if unknown.
38       * @param column The one-based index of the column containing the problem or {@code -1} if unknown.
39       * @param cause The cause of the problem, may be {@code null}.
40       */
41      void add(Problem.Severity severity, String message, int line, int column, Exception cause);
42  
43      /**
44       * The next messages will be bound to this source. When calling this method again, previous messages keep
45       * their source, but the next messages will use the new source.
46       *
47       * @param source a source
48       */
49      void setSource(String source);
50  
51      /**
52       *
53       * @return the collected Problems, never {@code null}
54       */
55      List<Problem> getProblems();
56  }