1 | |
|
2 | |
|
3 | |
|
4 | |
|
5 | |
|
6 | |
|
7 | |
|
8 | |
|
9 | |
|
10 | |
|
11 | |
|
12 | |
|
13 | |
|
14 | |
|
15 | |
|
16 | |
|
17 | |
|
18 | |
|
19 | |
|
20 | |
|
21 | |
|
22 | |
|
23 | |
|
24 | |
|
25 | |
|
26 | |
|
27 | |
|
28 | |
|
29 | |
|
30 | |
|
31 | |
|
32 | |
package net.sourceforge.pebble.domain; |
33 | |
|
34 | |
import java.util.ArrayList; |
35 | |
import java.util.Collections; |
36 | |
import java.util.Iterator; |
37 | |
import java.util.List; |
38 | |
|
39 | |
import net.sourceforge.pebble.util.I18n; |
40 | |
|
41 | |
|
42 | |
|
43 | |
|
44 | |
|
45 | |
|
46 | |
public class CategoryBuilder { |
47 | |
|
48 | |
|
49 | |
private static final String CATEGORY_SEPARATOR = "/"; |
50 | |
|
51 | |
|
52 | |
private Blog blog; |
53 | |
|
54 | |
|
55 | |
private Category rootCategory; |
56 | |
|
57 | |
|
58 | |
|
59 | |
|
60 | 2776 | public CategoryBuilder(Blog blog) { |
61 | 2776 | this.blog = blog; |
62 | 2776 | } |
63 | |
|
64 | |
|
65 | |
|
66 | |
|
67 | 836 | public CategoryBuilder(Blog blog, Category rootCategory) { |
68 | 836 | this.blog = blog; |
69 | 836 | this.rootCategory = rootCategory; |
70 | 836 | } |
71 | |
|
72 | |
|
73 | |
|
74 | |
|
75 | |
|
76 | |
|
77 | |
public void addCategory(Category category) { |
78 | 3000 | category.setBlog(blog); |
79 | |
|
80 | 3000 | if (category.isRootCategory()) { |
81 | 2776 | this.rootCategory = category; |
82 | |
} else { |
83 | 224 | Category parent = getParent(category, true); |
84 | 224 | parent.addSubCategory(category); |
85 | |
} |
86 | 3000 | } |
87 | |
|
88 | |
|
89 | |
|
90 | |
|
91 | |
|
92 | |
|
93 | |
public void removeCategory(Category category) { |
94 | 0 | Category parent = getParent(category); |
95 | 0 | parent.removeSubCategory(category); |
96 | 0 | } |
97 | |
|
98 | |
|
99 | |
|
100 | |
|
101 | |
|
102 | |
|
103 | |
|
104 | |
|
105 | |
|
106 | |
|
107 | |
private Category getParent(Category category, boolean create) { |
108 | 224 | String id = category.getId(); |
109 | 224 | int index = id.lastIndexOf(CATEGORY_SEPARATOR); |
110 | 224 | String parentId = id.substring(0, index); |
111 | 224 | if (parentId.equals("")) { |
112 | |
|
113 | 196 | parentId = "/"; |
114 | |
} |
115 | |
|
116 | 224 | return getCategory(parentId, create); |
117 | |
} |
118 | |
|
119 | |
|
120 | |
|
121 | |
|
122 | |
|
123 | |
|
124 | |
private Category getParent(Category category) { |
125 | 0 | return getParent(category, false); |
126 | |
} |
127 | |
|
128 | |
|
129 | |
|
130 | |
|
131 | |
|
132 | |
|
133 | |
|
134 | |
|
135 | |
|
136 | |
private Category getCategory(String id, boolean create) { |
137 | 4116 | if (id == null || !id.startsWith("/")) { |
138 | 12 | id = "/" + id; |
139 | |
} |
140 | |
|
141 | 4116 | if (id.equals("/")) { |
142 | 3744 | if (rootCategory == null) { |
143 | 2760 | Category category = new Category("/", I18n.getMessage(blog.getLocale(), "category.all")); |
144 | 2760 | addCategory(category); |
145 | |
} |
146 | |
|
147 | 3744 | return rootCategory; |
148 | |
} else { |
149 | 372 | Category parentCategory = getRootCategory(); |
150 | 372 | Category category = null; |
151 | 372 | boolean found = false; |
152 | 372 | int index = 0; |
153 | |
do { |
154 | 376 | index = id.indexOf("/", index+1); |
155 | |
String categoryId; |
156 | 376 | if (index == -1) { |
157 | 372 | categoryId = id.substring(0, id.length()); |
158 | |
} else { |
159 | 4 | categoryId = id.substring(0, index); |
160 | |
} |
161 | |
|
162 | 376 | found = false; |
163 | 376 | Iterator it = parentCategory.getSubCategories().iterator(); |
164 | 456 | while (it.hasNext()) { |
165 | 208 | category = (Category)it.next(); |
166 | 208 | if (category.getId().equals(categoryId)) { |
167 | 128 | found = true; |
168 | 128 | break; |
169 | |
} |
170 | |
} |
171 | |
|
172 | 376 | if (!found) { |
173 | 248 | if (create) { |
174 | 8 | category = new Category(categoryId, categoryId); |
175 | 8 | addCategory(category); |
176 | |
} else { |
177 | 240 | return null; |
178 | |
} |
179 | |
} |
180 | |
|
181 | 136 | parentCategory = category; |
182 | 136 | } while (index != -1); |
183 | |
|
184 | 132 | return category; |
185 | |
} |
186 | |
} |
187 | |
|
188 | |
|
189 | |
|
190 | |
|
191 | |
|
192 | |
|
193 | |
|
194 | |
public Category getCategory(String id) { |
195 | 344 | return getCategory(id, false); |
196 | |
} |
197 | |
|
198 | |
|
199 | |
|
200 | |
|
201 | |
|
202 | |
|
203 | |
public Category getRootCategory() { |
204 | 3548 | return getCategory("/", true); |
205 | |
} |
206 | |
|
207 | |
|
208 | |
|
209 | |
|
210 | |
|
211 | |
|
212 | |
|
213 | |
public List<Category> getCategories() { |
214 | 376 | List<Category> allCategories = new ArrayList<Category>(); |
215 | 376 | allCategories.addAll(getCategories(getRootCategory())); |
216 | 376 | Collections.sort(allCategories); |
217 | |
|
218 | 376 | return allCategories; |
219 | |
} |
220 | |
|
221 | |
public List<Category> getCategories(Category category) { |
222 | 480 | List<Category> allCategories = new ArrayList<Category>(); |
223 | 480 | allCategories.add(category); |
224 | 480 | Iterator it = category.getSubCategories().iterator(); |
225 | 584 | while (it.hasNext()) { |
226 | 104 | allCategories.addAll(getCategories((Category)it.next())); |
227 | |
} |
228 | |
|
229 | 480 | return allCategories; |
230 | |
} |
231 | |
|
232 | |
} |