|
1 package forum;
2
3 public class Filter {
4
5
6 public static String  filterAll(String string)
7 {
8 string = filterHtmlTag( string );
9 string = filterBreaks( string );
10 string = filterTextStyle( string );
11 string = filterImage( string );
12 string = filterURL( string );
13 string = filterEmoticons( string );
14 return string;
15 }
16
17 public static String filterHtmlTag(String string)
18 {
19 if(string == null || string.length() < 1)
20 {
21 return string;
22 }
23
24 StringBuffer source = new StringBuffer (string);
25
26 for(int i = 0; i < source.length(); i++)
27 {
28 char c = source.charAt(i);
29 if(c == '>')
30 {
31 source.replace(i,i+1,">");
32 }
33 else if(c == '<')
34 {
35 source.replace(i,i+1,"<");
36 }
37 else if(c == '&')
38 {
39 source.replace(i,i+1,"&");
40 }
41 }
42
43
44 return source.toString();
45 }
46
47 public static String filterBreaks(String string)
48 {
49 if(string == null || string.length() < 1)
50 {
51 return string;
52 }
53
54 StringBuffer source = new StringBuffer (string);
55
56 for(int i = 0; i < source.length(); i++)
57 {
58 if(source.charAt(i) == '\n')
59 {
60 source.replace(i,i+1,"<br>");
61 }
62 }
63
64 return source.toString();
65 }
66
67 public static String filterTextStyle(String string)
68 {
69 if(string == null || string.length() < 1)
70 {
71 return string;
72 }
73
74 StringBuffer source = new StringBuffer (string);
75
76 char charArray[] = {'B','b','I','i','U','u','S','s'};
77
78 for(int i = 0; i < source.length(); i++)
79 {
80 if(source.charAt(i) == '[' && source.charAt(i+2) == ']')
81 {
82 for(int j = 0; j < charArray.length; j++)
83 {
84 if(source.charAt(i+1) == charArray[j])
85 {
86 source.replace(i,i+3,"<"+ charArray[j] +">");
87 }
88 }
89 }
90 else if(source.charAt(i) == '[' && source.charAt(i+1) == '/' && source.charAt(i+3) == ']')
91 {
92 for(int j = 0; j < charArray.length; j++)
93 {
94 if(source.charAt(i+2) == charArray[j])
95 {
96 source.replace(i,i+4,"</"+ charArray[j] +">");
97 }
98 }
99 }
100 }
101 return source.toString();
102 }
103
104 public static String filterImage(String string)
105 {
106 if(string == null || string.length() < 1)
107 {
108 return string;
109 }
110
111 StringBuffer source = new StringBuffer ( string );
112
113 for(int i = 0; i < source.length(); i++)
114 {
115 if(source.charAt(i) == '[')
116 {
117 for( int j = i+1;j < (source.length());j++)
118 {
119 if(source.charAt(j) == ']')
120 {
121 String subString = source.substring(i+1,j);
122 if(subString.equals("IMG") || subString.equals("img"))
123 {
124 source.replace(i,j+1,"<img SRC=");
125 }else if(subString.equals("/IMG") || subString.equals("/img"))
126 {
127 source.replace(i,j+1,">");
128 }
129 }
130 }
131
132 }
133 }
134
135
136 return source.toString();
137 }
138
139 public static String filterURL(String string)
140 {
141 if(string == null || string.length() < 1)
142 {
143 return string;
144 }
145
146 StringBuffer source = new StringBuffer ( string );
147
148 for(int i = 0; i < source.length(); i++)
149 {
150 if(source.charAt(i) == '[')
151 {
152 for( int j = i+1;j < (source.length());j++)
153 {
154 if(source.charAt(j) == ']')
155 {
156 String subString = source.substring(i+1,i+5);
157 if(subString.equals("URL=") || subString.equals("url="))
158 {
159 source.replace(i,5,"<a HREF=");
160 source.replace(j+3,j+4," target=new>");
161 }else if(subString.equals("/URL") || subString.equals("/URL"))
162 {
163 source.replace(i,j+1,"</a>");
164 }
165 }
166 }
167
168 }
169 }
170 return source.toString();
171 }
172
173 public static String filterEmoticons(String string)
174 {
175 StringBuffer buffer = new StringBuffer ( string );
176
177 for(int i = 0; i < buffer.length(); i++){
178 if(buffer.charAt(i) == ':'){
179 for( int j = i+1;j < (buffer.length());j++){
180 if(buffer.charAt(j) == ':'){
181 String subString = buffer.substring(i+1,j);
182 if(subString.equals("mellow")){
183 buffer.replace(i,j+1,"<img SRC=./emoticons/mellow.gif border=0>");
184 }else if(subString.equals("huh")){
185 buffer.replace(i,j+1,"<img SRC=./emoticons/huh.gif border=0>");
186 }else if(subString.equals("rolleyes")){
187 buffer.replace(i,j+1,"<img SRC=./emoticons/rolleyes.gif border=0>");
188 }else if(subString.equals("lol")){
189 buffer.replace(i,j+1,"<img SRC=./emoticons/lol.gif border=0>");
190 }else if(subString.equals("wub")){
191 buffer.replace(i,j+1,"<img SRC=./emoticons/wub.gif border=0>");
192 }else if(subString.equals("angry")){
193 buffer.replace(i,j+1,"<img SRC=./emoticons/angry.gif border=0>");
194 }else if(subString.equals("unsure")){
195 buffer.replace(i,j+1,"<img SRC=./emoticons/unsure.gif border=0>");
196 }else if(subString.equals("wacko")){
197 buffer.replace(i,j+1,"<img SRC=./emoticons/wacko.gif border=0>");
198 }else if(subString.equals("blink")){
199 buffer.replace(i,j+1,"<img SRC=./emoticons/blink.gif border=0>");
200 }else if(subString.equals("ph34r")){
201 buffer.replace(i,j+1,"<img SRC=./emoticons/ph34r.gif border=0>");
202 }else if(subString.equals("bounce")){
203 buffer.replace(i,j+1,"<img SRC=./emoticons/bounce.gif border=0>");
204 }else if(subString.equals("fuck")){
205 buffer.replace(i,j+1,"<img SRC=./emoticons/fuck.gif border=0>");
206 }else if(subString.equals("scream")){
207 buffer.replace(i,j+1,"<img SRC=./emoticons/scream.gif border=0>");
208 }else if(subString.equals("silly")){
209 buffer.replace(i,j+1,"<img SRC=./emoticons/silly.gif border=0>");
210 }else if(subString.equals("frusty")){
211 buffer.replace(i,j+1,"<img SRC=./emoticons/frusty.gif border=0>");
212 }else if(subString.equals("kwijl")){
213 buffer.replace(i,j+1,"<img SRC=./emoticons/kwijl.gif border=0>");
214 }else if(subString.equals("puke")){
215 buffer.replace(i,j+1,"<img SRC=./emoticons/puke.gif border=0>");
216 }else if(subString.equals("bid")){
217 buffer.replace(i,j+1,"<img SRC=./emoticons/bid.gif border=0>");
218 }else if(subString.equals("hammer")){
219 buffer.replace(i,j+1,"<img SRC=./emoticons/hammer.gif border=0>");
220 }else if(subString.equals("good")){
221 buffer.replace(i,j+1,"<img SRC=./emoticons/good.gif border=0>");
222 }
223 }
224 }
225 }
226 }
227 return buffer.toString();
228 }
229
230
231
232 } |
Popular Tags |
Java API By Example, From Geeks To Geeks.