|
1 /* |
|
2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
|
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
|
4 * |
|
5 * This code is free software; you can redistribute it and/or modify it |
|
6 * under the terms of the GNU General Public License version 2 only, as |
|
7 * published by the Free Software Foundation. Oracle designates this |
|
8 * particular file as subject to the "Classpath" exception as provided |
|
9 * by Oracle in the LICENSE file that accompanied this code. |
|
10 * |
|
11 * This code is distributed in the hope that it will be useful, but WITHOUT |
|
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
14 * version 2 for more details (a copy is included in the LICENSE file that |
|
15 * accompanied this code). |
|
16 * |
|
17 * You should have received a copy of the GNU General Public License version |
|
18 * 2 along with this work; if not, write to the Free Software Foundation, |
|
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
|
20 * |
|
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
22 * or visit www.oracle.com if you need additional information or have any |
|
23 * questions. |
|
24 */ |
|
25 |
|
26 package com.sun.tools.internal.ws.processor.util; |
|
27 |
|
28 import com.sun.tools.internal.ws.processor.generator.GeneratorException; |
|
29 |
|
30 import java.io.BufferedWriter; |
|
31 import java.io.IOException; |
|
32 import java.io.Writer; |
|
33 import java.nio.charset.Charset; |
|
34 import java.nio.charset.CharsetEncoder; |
|
35 import java.text.MessageFormat; |
|
36 |
|
37 /** |
|
38 * |
|
39 * @author WS Development Team |
|
40 */ |
|
41 public class IndentingWriter extends BufferedWriter { |
|
42 |
|
43 private boolean beginningOfLine = true; |
|
44 private int currentIndent = 0; |
|
45 private int indentStep = 4; |
|
46 |
|
47 public IndentingWriter(Writer out) { |
|
48 super(out); |
|
49 } |
|
50 |
|
51 public IndentingWriter(Writer out,int step) { |
|
52 this(out); |
|
53 |
|
54 if (indentStep < 0) { |
|
55 throw new IllegalArgumentException("negative indent step"); |
|
56 } |
|
57 indentStep = step; |
|
58 } |
|
59 |
|
60 public void write(int c) throws IOException { |
|
61 checkWrite(); |
|
62 super.write(c); |
|
63 } |
|
64 |
|
65 public void write(char[] cbuf, int off, int len) throws IOException { |
|
66 if (len > 0) { |
|
67 checkWrite(); |
|
68 } |
|
69 super.write(cbuf, off, len); |
|
70 } |
|
71 |
|
72 public void write(String s, int off, int len) throws IOException { |
|
73 if (len > 0) { |
|
74 checkWrite(); |
|
75 } |
|
76 super.write(s, off, len); |
|
77 } |
|
78 |
|
79 public void newLine() throws IOException { |
|
80 super.newLine(); |
|
81 beginningOfLine = true; |
|
82 } |
|
83 |
|
84 protected void checkWrite() throws IOException { |
|
85 if (beginningOfLine) { |
|
86 beginningOfLine = false; |
|
87 int i = currentIndent; |
|
88 while (i > 0) { |
|
89 super.write(' '); |
|
90 -- i; |
|
91 } |
|
92 } |
|
93 } |
|
94 |
|
95 protected void indentIn() { |
|
96 currentIndent += indentStep; |
|
97 } |
|
98 |
|
99 protected void indentOut() { |
|
100 currentIndent -= indentStep; |
|
101 if (currentIndent < 0) { |
|
102 currentIndent = 0; |
|
103 } |
|
104 } |
|
105 |
|
106 public void pI() { |
|
107 indentIn(); |
|
108 } |
|
109 |
|
110 public void pO() { |
|
111 indentOut(); |
|
112 } |
|
113 |
|
114 public void pI(int levels) { |
|
115 for (int i = 0; i < levels; ++i) { |
|
116 indentIn(); |
|
117 } |
|
118 } |
|
119 |
|
120 public void pO(int levels) { |
|
121 for (int i = 0; i < levels; ++i) { |
|
122 indentOut(); |
|
123 } |
|
124 } |
|
125 |
|
126 public void p(String s) throws IOException { |
|
127 /* |
|
128 int tabCount = 0; |
|
129 for (int i = 0; i < s.length(); ++i) { |
|
130 if (s.charAt(i) == '\t') { |
|
131 ++tabCount; |
|
132 indentIn(); |
|
133 } |
|
134 } |
|
135 |
|
136 String printStr = s.substring(tabCount); |
|
137 */ |
|
138 boolean canEncode = true; |
|
139 |
|
140 //bug fix: 4839636 |
|
141 try{ |
|
142 if(!canEncode(s)) { |
|
143 canEncode = false; |
|
144 } |
|
145 } catch (Throwable t) { |
|
146 |
|
147 // there was some exception, what should we do? |
|
148 // lets ignore it for now and proceed with the code generation! |
|
149 } |
|
150 |
|
151 if(!canEncode) { |
|
152 throw new GeneratorException( |
|
153 "generator.indentingwriter.charset.cantencode", s); |
|
154 } |
|
155 write(s); |
|
156 /* |
|
157 while (tabCount-- > 0) { |
|
158 indentOut(); |
|
159 } |
|
160 */ |
|
161 } |
|
162 |
|
163 /** |
|
164 * Check if encode can handle the chars in this string. |
|
165 * |
|
166 */ |
|
167 protected boolean canEncode(String s) { |
|
168 final CharsetEncoder encoder = |
|
169 Charset.forName(System.getProperty("file.encoding")).newEncoder(); |
|
170 char[] chars = s.toCharArray(); |
|
171 for (int i=0; i<chars.length; i++) { |
|
172 if(!encoder.canEncode(chars[i])) { |
|
173 return false; |
|
174 } |
|
175 } |
|
176 return true; |
|
177 } |
|
178 |
|
179 public void p(String s1, String s2) throws IOException { |
|
180 p(s1); |
|
181 p(s2); |
|
182 } |
|
183 |
|
184 public void p(String s1, String s2, String s3) throws IOException { |
|
185 p(s1); |
|
186 p(s2); |
|
187 p(s3); |
|
188 } |
|
189 |
|
190 public void p(String s1, String s2, String s3, String s4) throws IOException { |
|
191 p(s1); |
|
192 p(s2); |
|
193 p(s3); |
|
194 p(s4); |
|
195 } |
|
196 |
|
197 public void p(String s1, String s2, String s3, String s4, String s5) throws IOException { |
|
198 p(s1); |
|
199 p(s2); |
|
200 p(s3); |
|
201 p(s4); |
|
202 p(s5); |
|
203 } |
|
204 |
|
205 public void pln() throws IOException { |
|
206 newLine(); |
|
207 } |
|
208 |
|
209 public void pln(String s) throws IOException { |
|
210 p(s); |
|
211 pln(); |
|
212 } |
|
213 |
|
214 public void pln(String s1, String s2) throws IOException { |
|
215 p(s1, s2); |
|
216 pln(); |
|
217 } |
|
218 |
|
219 public void pln(String s1, String s2, String s3) throws IOException { |
|
220 p(s1, s2, s3); |
|
221 pln(); |
|
222 } |
|
223 |
|
224 public void pln(String s1, String s2, String s3, String s4) throws IOException { |
|
225 p(s1, s2, s3, s4); |
|
226 pln(); |
|
227 } |
|
228 |
|
229 public void pln(String s1, String s2, String s3, String s4, String s5) throws IOException { |
|
230 p(s1, s2, s3, s4, s5); |
|
231 pln(); |
|
232 } |
|
233 |
|
234 public void plnI(String s) throws IOException { |
|
235 p(s); |
|
236 pln(); |
|
237 pI(); |
|
238 } |
|
239 |
|
240 public void pO(String s) throws IOException { |
|
241 pO(); |
|
242 p(s); |
|
243 } |
|
244 |
|
245 public void pOln(String s) throws IOException { |
|
246 pO(s); |
|
247 pln(); |
|
248 } |
|
249 |
|
250 public void pOlnI(String s) throws IOException { |
|
251 pO(s); |
|
252 pln(); |
|
253 pI(); |
|
254 } |
|
255 |
|
256 public void p(Object o) throws IOException { |
|
257 write(o.toString()); |
|
258 } |
|
259 |
|
260 public void pln(Object o) throws IOException { |
|
261 p(o.toString()); |
|
262 pln(); |
|
263 } |
|
264 |
|
265 public void plnI(Object o) throws IOException { |
|
266 p(o.toString()); |
|
267 pln(); |
|
268 pI(); |
|
269 } |
|
270 |
|
271 public void pO(Object o) throws IOException { |
|
272 pO(); |
|
273 p(o.toString()); |
|
274 } |
|
275 |
|
276 public void pOln(Object o) throws IOException { |
|
277 pO(o.toString()); |
|
278 pln(); |
|
279 } |
|
280 |
|
281 public void pOlnI(Object o) throws IOException { |
|
282 pO(o.toString()); |
|
283 pln(); |
|
284 pI(); |
|
285 } |
|
286 |
|
287 public void pM(String s) throws IOException { |
|
288 int i = 0; |
|
289 while (i < s.length()) { |
|
290 int j = s.indexOf('\n', i); |
|
291 if (j == -1) { |
|
292 p(s.substring(i)); |
|
293 break; |
|
294 } else { |
|
295 pln(s.substring(i, j)); |
|
296 i = j + 1; |
|
297 } |
|
298 } |
|
299 } |
|
300 |
|
301 public void pMln(String s) throws IOException { |
|
302 pM(s); |
|
303 pln(); |
|
304 } |
|
305 |
|
306 public void pMlnI(String s) throws IOException { |
|
307 pM(s); |
|
308 pln(); |
|
309 pI(); |
|
310 } |
|
311 |
|
312 public void pMO(String s) throws IOException { |
|
313 pO(); |
|
314 pM(s); |
|
315 } |
|
316 |
|
317 public void pMOln(String s) throws IOException { |
|
318 pMO(s); |
|
319 pln(); |
|
320 } |
|
321 |
|
322 public void pF(String pattern, Object[] arguments) throws IOException { |
|
323 pM(MessageFormat.format(pattern, arguments)); |
|
324 } |
|
325 |
|
326 public void pFln(String pattern, Object[] arguments) throws IOException { |
|
327 pF(pattern, arguments); |
|
328 pln(); |
|
329 } |
|
330 } |