1/*
2 * Copyright (C) 2010 Google Inc.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.google.doclava;
18
19import com.google.clearsilver.jsilver.data.Data;
20
21import java.util.regex.Pattern;
22import java.util.regex.Matcher;
23
24public class ThrowsTagInfo extends ParsedTagInfo {
25  public static final ThrowsTagInfo[] EMPTY_ARRAY = new ThrowsTagInfo[0];
26
27  public static ThrowsTagInfo[] getArray(int size) {
28      return size == 0 ? EMPTY_ARRAY : new ThrowsTagInfo[size];
29  }
30
31  static final Pattern PATTERN = Pattern.compile("(\\S+)\\s+(.*)", Pattern.DOTALL);
32
33  private ClassInfo mException;
34
35  public ThrowsTagInfo(String name, String kind, String text, ContainerInfo base,
36      SourcePositionInfo sp) {
37    super(name, kind, text, base, sp);
38
39    Matcher m = PATTERN.matcher(text);
40    if (m.matches()) {
41      setCommentText(m.group(2));
42      String className = m.group(1);
43      if (base instanceof ClassInfo) {
44        mException = ((ClassInfo) base).findClass(className);
45      }
46      if (mException == null) {
47        mException = Converter.obtainClass(className);
48      }
49    }
50  }
51
52  public ThrowsTagInfo(String name, String kind, String text, ClassInfo exception,
53      String exceptionComment, ContainerInfo base, SourcePositionInfo sp) {
54    super(name, kind, text, base, sp);
55    mException = exception;
56    setCommentText(exceptionComment);
57  }
58
59  public ClassInfo exception() {
60    return mException;
61  }
62
63  public TypeInfo exceptionType() {
64    if (mException != null) {
65      return mException.asTypeInfo();
66    } else {
67      return null;
68    }
69  }
70
71  public static void makeHDF(Data data, String base, ThrowsTagInfo[] tags) {
72    for (int i = 0; i < tags.length; i++) {
73      TagInfo.makeHDF(data, base + '.' + i + ".comment", tags[i].commentTags());
74      if (tags[i].exceptionType() != null) {
75        tags[i].exceptionType().makeHDF(data, base + "." + i + ".type");
76      }
77    }
78  }
79
80
81}
82