Source Code Cross Referenced for JSPJavacAntLogger.java in  » IDE-Netbeans » web.core » org » netbeans » modules » web » jspcompiler » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » IDE Netbeans » web.core » org.netbeans.modules.web.jspcompiler 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003:         *
004:         * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005:         *
006:         * The contents of this file are subject to the terms of either the GNU
007:         * General Public License Version 2 only ("GPL") or the Common
008:         * Development and Distribution License("CDDL") (collectively, the
009:         * "License"). You may not use this file except in compliance with the
010:         * License. You can obtain a copy of the License at
011:         * http://www.netbeans.org/cddl-gplv2.html
012:         * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013:         * specific language governing permissions and limitations under the
014:         * License.  When distributing the software, include this License Header
015:         * Notice in each file and include the License file at
016:         * nbbuild/licenses/CDDL-GPL-2-CP.  Sun designates this
017:         * particular file as subject to the "Classpath" exception as provided
018:         * by Sun in the GPL Version 2 section of the License file that
019:         * accompanied this code. If applicable, add the following below the
020:         * License Header, with the fields enclosed by brackets [] replaced by
021:         * your own identifying information:
022:         * "Portions Copyrighted [year] [name of copyright owner]"
023:         *
024:         * Contributor(s):
025:         *
026:         * The Original Software is NetBeans. The Initial Developer of the Original
027:         * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
028:         * Microsystems, Inc. All Rights Reserved.
029:         *
030:         * If you wish your version of this file to be governed by only the CDDL
031:         * or only the GPL Version 2, indicate your decision by adding
032:         * "[Contributor] elects to include this software in this distribution
033:         * under the [CDDL or GPL Version 2] license." If you do not indicate a
034:         * single choice of license, a recipient has the option to distribute
035:         * your version of this file under either the CDDL, the GPL Version 2 or
036:         * to extend the choice of license to its licensees as provided above.
037:         * However, if you add GPL Version 2 code and therefore, elected the GPL
038:         * Version 2 license, then the option applies only if the new code is
039:         * made subject to such option by the copyright holder.
040:         */
041:
042:        package org.netbeans.modules.web.jspcompiler;
043:
044:        import java.io.File;
045:        import java.io.IOException;
046:
047:        import java.net.MalformedURLException;
048:        import java.util.logging.Level;
049:        import java.util.logging.Logger;
050:        import java.util.regex.Pattern;
051:        import org.apache.tools.ant.module.spi.AntEvent;
052:        import org.apache.tools.ant.module.spi.AntLogger;
053:        import org.apache.tools.ant.module.spi.AntSession;
054:        import org.netbeans.modules.web.api.webmodule.WebModule;
055:        import org.openide.filesystems.FileObject;
056:        import org.openide.filesystems.FileUtil;
057:        import org.openide.windows.OutputListener;
058:
059:        /**
060:         * Ant logger which handles compilation of JSPs, both the JSP -> Java and 
061:         * the Java -> class compilation stages.
062:         * Specifically, handles hyperlinking of errors from JspC and from Javac run on 
063:         * classes generated from JSPs.
064:         * @author Petr Jiricka, Jesse Glick
065:         * @see "#42525"
066:         */
067:        public final class JSPJavacAntLogger extends AntLogger {
068:
069:            //    private static PrintWriter debugwriter = null;
070:            //    private static void debug(String s) {
071:            //        if (debugwriter == null) {
072:            //            try {
073:            //                debugwriter = new PrintWriter(new java.io.FileWriter("/local/repo/trunk/nb_all/nbbuild/AntOutputParser.log")); // NOI18N
074:            //            } catch (java.io.IOException ioe) {
075:            //                return;
076:            //            }
077:            //        }
078:            //        debugwriter.println(s);
079:            //        debugwriter.flush();
080:            //    }
081:
082:            private static final Logger ERR = Logger
083:                    .getLogger(JSPJavacAntLogger.class.getName());
084:            private static final boolean LOGGABLE = ERR.isLoggable(Level.FINE);
085:
086:            /**
087:             * Regexp matching the compilation error from JspC. Sample message could look like this:
088:             * org.apache.jasper.JasperException: file:C:/project/AntParseTestProject2/build/web/index.jsp(6,0) Include action: Mandatory attribute page missing
089:             */
090:            private static final Pattern JSP_COMPILER_ERROR = Pattern
091:                    .compile("(.*)(org.apache.jasper.JasperException: file:)([^\\(]*)\\(([0-9]+),([0-9]+)\\)(.*)"); // NOI18N
092:
093:            private static final String[] TASKS_OF_INTEREST = AntLogger.ALL_TASKS;
094:
095:            private static final int[] LEVELS_OF_INTEREST = {
096:            //AntEvent.LOG_DEBUG, // XXX is this needed?
097:                    //AntEvent.LOG_VERBOSE, // XXX is this needed?
098:                    AntEvent.LOG_INFO, // XXX is this needed?
099:                    AntEvent.LOG_WARN, // XXX is this needed?
100:                    AntEvent.LOG_ERR, // XXX is this needed?
101:            };
102:
103:            /** Default constructor for lookup. */
104:            public JSPJavacAntLogger() {
105:            }
106:
107:            public boolean interestedInSession(AntSession session) {
108:                return true;
109:            }
110:
111:            public boolean interestedInAllScripts(AntSession session) {
112:                return true;
113:            }
114:
115:            public boolean interestedInScript(File script, AntSession session) {
116:                return true;
117:            }
118:
119:            public String[] interestedInTargets(AntSession session) {
120:                return AntLogger.ALL_TARGETS;
121:            }
122:
123:            public String[] interestedInTasks(AntSession session) {
124:                return TASKS_OF_INTEREST;
125:            }
126:
127:            public int[] interestedInLogLevels(AntSession session) {
128:                // XXX could exclude those in [INFO..ERR] greater than session.verbosity
129:                return LEVELS_OF_INTEREST;
130:            }
131:
132:            private static FileObject guessWebModuleOutputRoot(WebModule wm,
133:                    FileObject fo) {
134:                /*
135:                File outputF = wm.getWebOutputRoot();
136:                if (outputF != null) {
137:                    return FileUtil.toFileObject(outputF);
138:                }
139:                 */
140:                FileObject potentialRoot = fo.getParent();
141:                while (potentialRoot != null) {
142:                    if (potentialRoot.getFileObject("WEB-INF") != null) {
143:                        return potentialRoot;
144:                    }
145:                    potentialRoot = potentialRoot.getParent();
146:                }
147:                return null;
148:            }
149:
150:            public void messageLogged(AntEvent event) {
151:                if (event.isConsumed()) {
152:                    return;
153:                }
154:                AntSession session = event.getSession();
155:                String line = event.getMessage();
156:                OutputListener hyper = findHyperlink(session, line);
157:                // XXX should translate tabs to spaces here as a safety measure
158:                if (hyper != null) {
159:                    event.getSession().println(line,
160:                            event.getLogLevel() <= AntEvent.LOG_WARN, hyper);
161:                    event.consume();
162:                }
163:            }
164:
165:            /**
166:             * Possibly hyperlink a message logged event.
167:             */
168:            private static OutputListener findHyperlink(AntSession session,
169:                    String line) {
170:                if (LOGGABLE)
171:                    ERR.log(Level.FINE, "line: " + line);
172:                // #29246: handle new (Ant 1.5.1) URLifications:
173:                // [PENDING] Under JDK 1.4, could use new File(URI)... if Ant uses URI too (Jakarta BZ #8031)
174:                // XXX so tweak that for Ant 1.6 support!
175:                // XXX would be much easier to use a regexp here
176:                if (line.startsWith("file:///")) { // NOI18N
177:                    line = line.substring(7);
178:                    if (LOGGABLE)
179:                        ERR.log(Level.FINE, "removing file:///");
180:                } else if (line.startsWith("file:")) { // NOI18N
181:                    line = line.substring(5);
182:                    if (LOGGABLE)
183:                        ERR.log(Level.FINE, "removing file:");
184:                } else if (line.length() > 0 && line.charAt(0) == '/') {
185:                    if (LOGGABLE)
186:                        ERR.log(Level.FINE, "result: looks like Unix file");
187:                } else if (line.length() > 2 && line.charAt(1) == ':'
188:                        && line.charAt(2) == '\\') {
189:                    if (LOGGABLE)
190:                        ERR.log(Level.FINE, "result: looks like Windows file");
191:                } else {
192:                    // not a file -> nothing to parse
193:                    if (LOGGABLE)
194:                        ERR.log(Level.FINE, "result: not a file");
195:                    return null;
196:                }
197:
198:                int colon1 = line.indexOf(':');
199:                if (colon1 == -1) {
200:                    if (LOGGABLE)
201:                        ERR.log(Level.FINE, "result: no colon found");
202:                    return null;
203:                }
204:                String fileName = line.substring(0, colon1); //.replace(File.separatorChar, '/');
205:                File file = FileUtil.normalizeFile(new File(fileName));
206:                if (!file.exists()) {
207:                    if (LOGGABLE)
208:                        ERR.log(Level.FINE, "result: no FO for " + fileName);
209:                    // maybe we are on Windows and filename is "c:\temp\file.java:25"
210:                    // try to do the same for the second colon
211:                    colon1 = line.indexOf(':', colon1 + 1);
212:                    if (colon1 == -1) {
213:                        if (LOGGABLE)
214:                            ERR
215:                                    .log(Level.FINE,
216:                                            "result: no second colon found");
217:                        return null;
218:                    }
219:                    fileName = line.substring(0, colon1);
220:                    file = FileUtil.normalizeFile(new File(fileName));
221:                    if (!file.exists()) {
222:                        if (LOGGABLE)
223:                            ERR
224:                                    .log(Level.FINE, "result: no FO for "
225:                                            + fileName);
226:                        return null;
227:                    }
228:                }
229:
230:                int line1 = -1, col1 = -1, line2 = -1, col2 = -1;
231:                int start = colon1 + 1; // start of message
232:                int colon2 = line.indexOf(':', colon1 + 1);
233:                if (colon2 != -1) {
234:                    try {
235:                        line1 = Integer.parseInt(line.substring(colon1 + 1,
236:                                colon2).trim());
237:                        start = colon2 + 1;
238:                        int colon3 = line.indexOf(':', colon2 + 1);
239:                        if (colon3 != -1) {
240:                            col1 = Integer.parseInt(line.substring(colon2 + 1,
241:                                    colon3).trim());
242:                            start = colon3 + 1;
243:                            int colon4 = line.indexOf(':', colon3 + 1);
244:                            if (colon4 != -1) {
245:                                line2 = Integer.parseInt(line.substring(
246:                                        colon3 + 1, colon4).trim());
247:                                start = colon4 + 1;
248:                                int colon5 = line.indexOf(':', colon4 + 1);
249:                                if (colon5 != -1) {
250:                                    col2 = Integer.parseInt(line.substring(
251:                                            colon4 + 1, colon5).trim());
252:                                    if (col2 == col1)
253:                                        col2 = -1;
254:                                    start = colon5 + 1;
255:                                }
256:                            }
257:                        }
258:                    } catch (NumberFormatException nfe) {
259:                        // Fine, rest is part of the message.
260:                    }
261:                }
262:                String message = line.substring(start).trim();
263:                if (message.length() == 0) {
264:                    message = null;
265:                }
266:                if (LOGGABLE)
267:                    ERR.log(Level.FINE, "Hyperlink: [" + file + "," + line1
268:                            + "," + col1 + "," + line2 + "," + col2 + ","
269:                            + message + "]");
270:
271:                File smapFile = getSMAPFileForFile(file);
272:                if (LOGGABLE)
273:                    ERR.log(Level.FINE, "smapfile: [" + smapFile + "]");
274:                if ((smapFile != null) && (smapFile.exists())) {
275:                    try {
276:                        SmapResolver resolver = new SmapResolver(
277:                                new SmapFileReader(smapFile));
278:                        String jspName = resolver.getJspFileName(line1, col1);
279:                        if (jspName == null) {
280:                            return null;
281:                        }
282:                        if (LOGGABLE)
283:                            ERR.log(Level.FINE, "translate: [" + line1 + ", "
284:                                    + col1 + "]");
285:                        int newRow = resolver.unmangle(line1, col1);
286:                        //debug ("translated to '" + jspName + ":" + newRow + "'");
287:                        // some mappings may not exist, so try next or previous lines, too
288:                        if (newRow == -1) {
289:                            newRow = resolver.unmangle(line1 - 1, col1);
290:                            jspName = resolver.getJspFileName(line1 - 1, col1);
291:                        }
292:                        if (newRow == -1) {
293:                            newRow = resolver.unmangle(line1 + 1, col1);
294:                            jspName = resolver.getJspFileName(line1 + 1, col1);
295:                        }
296:                        try {
297:                            WebModule wm = WebModule.getWebModule(FileUtil
298:                                    .toFileObject(file));
299:                            if (wm == null) {
300:                                return null;
301:                            }
302:                            FileObject jspFO = wm.getDocumentBase()
303:                                    .getFileObject(jspName);
304:                            //debug ("jsp '" + jspFO + "'");
305:                            if (jspFO != null) {
306:                                return session.createStandardHyperlink(FileUtil
307:                                        .toFile(jspFO).toURI().toURL(),
308:                                        message, newRow, -1, -1, -1);
309:                            }
310:                            return null;
311:                        } catch (MalformedURLException e) {
312:                            assert false : e;
313:                            return null;
314:                        }
315:                    } catch (IOException e) {
316:                        ERR.log(Level.INFO, null, e);
317:                        // PENDING
318:                        return null;
319:                    } catch (Exception e) {
320:                        // PENDING - this catch clause should not be here, it's here only to
321:                        // hide bugs in the SmapResolver library
322:                        ERR.log(Level.INFO, null, e);
323:                        return null;
324:                    }
325:                } else {
326:                    return null;
327:                }
328:
329:            }
330:
331:            private static final String JAVA_SUFFIX = ".java"; // NOI18N
332:            private static final String SMAP_SUFFIX = ".class.smap"; // NOI18N
333:
334:            /** Returns a SMAP file corresponding to the given file, if exists.
335:             */
336:            public static File getSMAPFileForFile(File javaFile) {
337:                File f = FileUtil.normalizeFile(javaFile);
338:                File dir = f.getAbsoluteFile().getParentFile();
339:                String name = f.getName();
340:                if (!name.endsWith(JAVA_SUFFIX)) {
341:                    return null;
342:                }
343:                name = name.substring(0, name.length() - JAVA_SUFFIX.length());
344:                File newFile = new File(dir, name + SMAP_SUFFIX);
345:                return newFile;
346:            }
347:
348:        }
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