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1
19
20 package org.netbeans.modules.web.jsps.parserapi;
21
22 import javax.servlet.jsp.JspException  ;
23 import org.openide.ErrorManager;
24 import org.xml.sax.Attributes ;
25
26 class DumpVisitor extends Node.Visitor {
27
28 private int indent = 0;
29
30 private StringBuffer buf;
31
32 private DumpVisitor() {
33 super();
34 buf = new StringBuffer ();
35 }
36
37
41 protected void visitCommon(Node n) throws JspException {
42 printString("\nNode [" + n.getStart() + ", " + getDisplayClassName(n.getClass().getName()) + "] ");
43 }
44
45 private String getDisplayClassName(String cn) {
46 int amp = cn.indexOf('$');
47 return cn.substring(amp + 1);
48 }
49
50 private String getAttributes(Attributes attrs) {
51 if (attrs == null)
52 return "";
53
54 StringBuffer buf = new StringBuffer ();
55 for (int i=0; i < attrs.getLength(); i++) {
56 buf.append(" " + attrs.getQName(i) + "=\""
57 + attrs.getValue(i) + "\"");
58 }
59 return buf.toString();
60 }
61
62 private void printString(String str) {
63 printIndent();
64 buf.append(str);
65 }
66
67 private void printString(String prefix, char[] chars, String suffix) {
68 String str = null;
69 if (chars != null) {
70 str = new String (chars);
71 }
72 printString(prefix, str, suffix);
73 }
74
75 private void printString(String prefix, String str, String suffix) {
76 printIndent();
77 if (str != null) {
78 buf.append(prefix);
79 buf.append(str);
80 buf.append(suffix);
81 } else {
82 buf.append(prefix);
83 buf.append(suffix);
84 }
85 }
86
87 private void printAttributes(String prefix, Attributes attrs,
88 String suffix) {
89 printString(prefix, getAttributes(attrs), suffix);
90 }
91
92 private void dumpBody(Node n) throws JspException {
93 Node.Nodes page = n.getBody();
94 if (page != null) {
95 indent++;
96 page.visit(this);
97 indent--;
98 }
99 }
100
101 public void visit(Node.TagDirective n) throws JspException {
102 visitCommon(n);
103 printAttributes("<%@ tag", n.getAttributes(), "%>");
104 }
105
106 public void visit(Node.PageDirective n) throws JspException {
107 visitCommon(n);
108 printAttributes("<%@ page", n.getAttributes(), "%>");
109 }
110
111 public void visit(Node.TaglibDirective n) throws JspException {
112 visitCommon(n);
113 printAttributes("<%@ taglib", n.getAttributes(), "%>");
114 }
115
116 public void visit(Node.IncludeDirective n) throws JspException {
117 visitCommon(n);
118 printAttributes("<%@ include", n.getAttributes(), "%>");
119 dumpBody(n);
120 }
121
122 public void visit(Node.Comment n) throws JspException {
123 visitCommon(n);
124 printString("<%--", n.getText(), "--%>");
125 }
126
127 public void visit(Node.Declaration n) throws JspException {
128 visitCommon(n);
129 printString("<%!", n.getText(), "%>");
130 }
131
132 public void visit(Node.Expression n) throws JspException {
133 visitCommon(n);
134 printString("<%=", n.getText(), "%>");
135 }
136
137 public void visit(Node.Scriptlet n) throws JspException {
138 visitCommon(n);
139 printString("<%", n.getText(), "%>");
140 }
141
142 public void visit(Node.IncludeAction n) throws JspException {
143 visitCommon(n);
144 printAttributes("<jsp:include", n.getAttributes(), ">");
145 dumpBody(n);
146 printString("</jsp:include>");
147 }
148
149 public void visit(Node.ForwardAction n) throws JspException {
150 visitCommon(n);
151 printAttributes("<jsp:forward", n.getAttributes(), ">");
152 dumpBody(n);
153 printString("</jsp:forward>");
154 }
155
156 public void visit(Node.GetProperty n) throws JspException {
157 visitCommon(n);
158 printAttributes("<jsp:getProperty", n.getAttributes(), "/>");
159 }
160
161 public void visit(Node.SetProperty n) throws JspException {
162 visitCommon(n);
163 printAttributes("<jsp:setProperty", n.getAttributes(), ">");
164 dumpBody(n);
165 printString("</jsp:setProperty>");
166 }
167
168 public void visit(Node.UseBean n) throws JspException {
169 visitCommon(n);
170 printAttributes("<jsp:useBean", n.getAttributes(), ">");
171 dumpBody(n);
172 printString("</jsp:useBean>");
173 }
174
175 public void visit(Node.PlugIn n) throws JspException {
176 visitCommon(n);
177 printAttributes("<jsp:plugin", n.getAttributes(), ">");
178 dumpBody(n);
179 printString("</jsp:plugin>");
180 }
181
182 public void visit(Node.ParamsAction n) throws JspException {
183 visitCommon(n);
184 printAttributes("<jsp:params", n.getAttributes(), ">");
185 dumpBody(n);
186 printString("</jsp:params>");
187 }
188
189 public void visit(Node.ParamAction n) throws JspException {
190 visitCommon(n);
191 printAttributes("<jsp:param", n.getAttributes(), ">");
192 dumpBody(n);
193 printString("</jsp:param>");
194 }
195
196 public void visit(Node.NamedAttribute n) throws JspException {
197 visitCommon(n);
198 printAttributes("<jsp:attribute", n.getAttributes(), ">");
199 dumpBody(n);
200 printString("</jsp:attribute>");
201 }
202
203 public void visit(Node.JspBody n) throws JspException {
204 visitCommon(n);
205 printAttributes("<jsp:body", n.getAttributes(), ">");
206 dumpBody(n);
207 printString("</jsp:body>");
208 }
209
210 public void visit(Node.ELExpression n) throws JspException {
211 visitCommon(n);
212 printString(n.getText());
213 }
214
215 public void visit(Node.CustomTag n) throws JspException {
216 visitCommon(n);
217 printAttributes("<" + n.getQName(), n.getAttributes(), ">");
218 dumpBody(n);
219 printString("</" + n.getQName() + ">");
220 }
221
222 public void visit(Node.UninterpretedTag n) throws JspException {
223 visitCommon(n);
224 String tag = n.getQName();
225 printAttributes("<"+tag, n.getAttributes(), ">");
226 dumpBody(n);
227 printString("</" + tag + ">");
228 }
229
230 public void visit(Node.InvokeAction n) throws JspException {
231 visitCommon(n);
232 printAttributes("<jsp:invoke", n.getAttributes(), ">");
233 dumpBody(n);
234 printString("</jsp:invoke>");
235 }
236
237 public void visit(Node.DoBodyAction n) throws JspException {
238 visitCommon(n);
239 printAttributes("<jsp:doBody", n.getAttributes(), ">");
240 dumpBody(n);
241 printString("</jsp:doBody>");
242 }
243
244 public void visit(Node.TemplateText n) throws JspException {
245 visitCommon(n);
246 printString(new String (n.getText()));
247 }
248
249 private void printIndent() {
250 for (int i=0; i < indent; i++) {
251 buf.append(" ");
252 }
253 }
254
255 private String getString() {
256 return buf.toString();
257 }
258
259 public static String dump(Node n) {
260 try {
261 DumpVisitor dv = new DumpVisitor();
262 n.accept(dv);
263 return dv.getString();
264 } catch (JspException e) {
265 ErrorManager.getDefault().notify(ErrorManager.INFORMATIONAL, e);
266 return e.getMessage();
267 }
268 }
269
270 public static String dump(Node.Nodes page) {
271 try {
272 DumpVisitor dv = new DumpVisitor();
273 page.visit(dv);
274 return dv.getString();
275 } catch (JspException e) {
276 ErrorManager.getDefault().notify(ErrorManager.INFORMATIONAL, e);
277 return e.getMessage();
278 }
279 }
280 }
281
282 |
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