Source Code Cross Referenced for SoTask.java in  » Sevlet-Container » tomcat-connectors » org » apache » jk » ant » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Sevlet Container » tomcat connectors » org.apache.jk.ant 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         *  Copyright 1999-2004 The Apache Software Foundation
003:         *
004:         *  Licensed under the Apache License, Version 2.0 (the "License");
005:         *  you may not use this file except in compliance with the License.
006:         *  You may obtain a copy of the License at
007:         *
008:         *      http://www.apache.org/licenses/LICENSE-2.0
009:         *
010:         *  Unless required by applicable law or agreed to in writing, software
011:         *  distributed under the License is distributed on an "AS IS" BASIS,
012:         *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013:         *  See the License for the specific language governing permissions and
014:         *  limitations under the License.
015:         */
016:
017:        package org.apache.jk.ant;
018:
019:        import java.io.ByteArrayOutputStream;
020:        import java.io.File;
021:        import java.io.IOException;
022:        import java.io.PrintStream;
023:        import java.util.Enumeration;
024:        import java.util.Vector;
025:
026:        import org.apache.jk.ant.compilers.CcCompiler;
027:        import org.apache.jk.ant.compilers.CompilerAdapter;
028:        import org.apache.jk.ant.compilers.GcjCompiler;
029:        import org.apache.jk.ant.compilers.GcjLinker;
030:        import org.apache.jk.ant.compilers.LibtoolCompiler;
031:        import org.apache.jk.ant.compilers.LibtoolLinker;
032:        import org.apache.jk.ant.compilers.LinkerAdapter;
033:        import org.apache.jk.ant.compilers.MsvcCompiler;
034:        import org.apache.jk.ant.compilers.MsvcLinker;
035:        import org.apache.jk.ant.compilers.MwccCompiler;
036:        import org.apache.jk.ant.compilers.MwldLinker;
037:        import org.apache.tools.ant.BuildException;
038:        import org.apache.tools.ant.DirectoryScanner;
039:        import org.apache.tools.ant.Task;
040:        import org.apache.tools.ant.taskdefs.Execute;
041:        import org.apache.tools.ant.taskdefs.ExecuteStreamHandler;
042:        import org.apache.tools.ant.taskdefs.PumpStreamHandler;
043:        import org.apache.tools.ant.types.Commandline;
044:        import org.apache.tools.ant.types.FileSet;
045:        import org.apache.tools.ant.types.Path;
046:        import org.apache.tools.ant.types.PatternSet;
047:
048:        /** Global properties
049:
050:         Same idea as in javac, some user .properties will set the local preferences,
051:         including machine-specific. If one is not specified we'll guess it. The
052:         build file will be clean.
053:
054:         TODO: can we get configure to generate such a file ? 
055:
056:         build.native.cc=gcc
057:         # Path to libtool ( used as a backup )
058:         build.native.libtool=
059:         # Platform-specific flags for compilation.
060:         build.native.extra_cflags=
061:         */
062:        /* XXX add a optional "compiler" attribute 
063:         to not guess the compiler based on the executable name 
064:         present in a global property.
065:
066:         */
067:
068:        /**
069:         * Task to generate a .so file, similar with ( or using ) libtool.
070:         * I hate libtool, so long term I would like to replace most of it
071:         * with decent java code. Short term it'll just use libtool and
072:         * hide some of the ugliness.
073:         * 
074:         * arguments:
075:         * <ul>
076:         * <li>source
077:         * </ul>
078:         *
079:         * <p>
080:         *
081:         * @author Costin Manolache
082:         * @author Mike Anderson
083:         * @author Ignacio J. Ortega
084:         */
085:        public class SoTask extends Task {
086:            protected String apxs;
087:            // or FileSet ?
088:            protected Vector src; //[FileSet]
089:            protected PatternSet includes;
090:            protected Path depends;
091:            protected Path libs;
092:            protected String module;
093:            protected String soFile;
094:            protected String soExt = ".so";
095:            protected String cflags;
096:            protected File buildDir;
097:            protected int debug;
098:
099:            protected boolean optG = true;
100:            protected boolean optWgcc = true;
101:            protected boolean optimize = false;
102:            protected boolean profile = false;
103:            protected Vector defines = new Vector();
104:            protected Vector imports = new Vector(); // used by the NetWare, win32 linkers
105:            protected Vector exports = new Vector(); // used by the NetWare, win32 linkers
106:            protected Vector modules = new Vector(); // used by the NetWare linker
107:            protected Vector linkOpts = new Vector(); // used by the NetWare, win32 linkers
108:            protected Vector altSoFiles = new Vector(); // used by the NetWare linker
109:            protected Vector resources = new Vector(); // used by the win32 linker
110:
111:            // Computed fields 
112:            //    protected Vector compileList; // [Source]
113:            protected Vector srcList = new Vector();
114:            protected CompilerAdapter compiler;
115:
116:            //    protected GlobPatternMapper co_mapper;
117:
118:            public SoTask() {
119:            };
120:
121:            // Hack to allow individual compilers/linkers to work
122:            // as regular Tasks, independnetly.
123:            public void duplicateTo(SoTask so) {
124:                // This will act as a proxy for the child task 
125:                so.project = project;
126:                so.target = target;
127:                so.location = location;
128:                so.taskName = taskName;
129:                so.taskType = taskType;
130:
131:                so.apxs = apxs;
132:                so.src = src;
133:                so.includes = includes;
134:                so.depends = depends;
135:                so.libs = libs;
136:                so.module = module;
137:                so.soFile = soFile;
138:                so.soExt = soExt;
139:                so.cflags = cflags;
140:                so.buildDir = buildDir;
141:                so.debug = debug;
142:                so.optG = optG;
143:                so.optWgcc = optWgcc;
144:                so.optimize = optimize;
145:                so.profile = profile;
146:                so.defines = defines;
147:                so.imports = imports;
148:                so.exports = exports;
149:                so.resources = resources;
150:                so.modules = modules;
151:                so.linkOpts = linkOpts;
152:                so.srcList = srcList;
153:                //      so.compileList=compileList;
154:                so.compiler = compiler;
155:                //      so.co_mapper=co_mapper;
156:                so.altSoFiles = altSoFiles;
157:            }
158:
159:            /**  @deprecated use setTarget
160:             */
161:            public void setSoFile(String s) {
162:                soFile = s;
163:            }
164:
165:            /** Add debug information
166:             */
167:            public void setDebug(boolean b) {
168:                optG = b;
169:            }
170:
171:            /** Add debug information
172:             */
173:            public void setOptimize(boolean b) {
174:                optimize = b;
175:            }
176:
177:            /** Add profiling information
178:             */
179:            public void setProfile(boolean b) {
180:                profile = b;
181:            }
182:
183:            /** Gcc warnings
184:             */
185:            public void setGccWarn(boolean b) {
186:                optWgcc = b;
187:            }
188:
189:            /** Debug the <so> task
190:             */
191:            public void setTaskDebug(int i) {
192:                debug = i;
193:            }
194:
195:            /** Add a -D option. Note that each define has
196:             *  an if/unless attribute
197:             */
198:            public void addDef(Def var) {
199:                var.setProject(project);
200:                defines.addElement(var);
201:            }
202:
203:            /**
204:             * Add an import file/symbol for NetWare or win32 platform
205:             *
206:             * 
207:             */
208:            public void addImport(JkData imp) {
209:                imp.setProject(project);
210:                imports.add(imp);
211:            }
212:
213:            /**
214:             * Add an export file/symbol for NetWare or win32 platform
215:             *
216:             * 
217:             */
218:            public void addExport(JkData exp) {
219:                exp.setProject(project);
220:                exports.add(exp);
221:            }
222:
223:            /**
224:             * Add an resource file on win32 platform
225:             *
226:             * 
227:             */
228:            public void addResource(JkData res) {
229:                res.setProject(project);
230:                resources.add(res);
231:            }
232:
233:            /**
234:             * Add a link option for NetWare or win32 platform
235:             *
236:             * 
237:             */
238:            public void addLinkOpt(JkData option) {
239:                option.setProject(project);
240:                linkOpts.add(option);
241:            }
242:
243:            /**
244:             * Add an NLMModule dependancy
245:             *
246:             * 
247:             */
248:            public void addNLMModule(JkData module) {
249:                module.setProject(project);
250:                modules.add(module);
251:            }
252:
253:            /**
254:             * Add an alternate target since some platforms (NetWare) have file name
255:             * limitations.
256:             * 
257:             */
258:            public void addAltSoFile(JkData altSo) {
259:                altSo.setProject(project);
260:                altSoFiles.add(altSo);
261:            }
262:
263:            /** Set the target for this compilation. Don't include any
264:             *  directory or suffix ( not sure about prefix - we may want
265:             *  to add lib automatically for unix, and nothing on win/etc ?  ).
266:             */
267:            public void setTarget(String s) {
268:                soFile = s;
269:            }
270:
271:            /** Set the extension for the target.  This will depend on the platform
272:             *  we are compiling for.
273:             */
274:            public void setExtension(String s) {
275:                soExt = s;
276:            }
277:
278:            /** Directory where intermediary objects will be
279:             *  generated
280:             */
281:            public void setBuildDir(File s) {
282:                buildDir = s;
283:            }
284:
285:            public void setCflags(String s) {
286:                cflags = s;
287:            }
288:
289:            /** Directory where the .so file will be generated
290:             */
291:            public void setSoDir(String s) {
292:
293:            }
294:
295:            public void addJniConfig(JniConfig jniCfg) {
296:
297:            }
298:
299:            public void addApacheConfig(ApacheConfig apacheCfg) {
300:
301:            }
302:
303:            /**
304:             * Source files ( .c )
305:             *
306:             * @return a nested src element.
307:             */
308:            public void addSrc(FileSet fl) {
309:                if (src == null)
310:                    src = new Vector();
311:                src.addElement(fl);
312:            }
313:
314:            /**
315:             * Include files
316:             */
317:            public PatternSet createIncludes() {
318:                includes = new PatternSet(); //Path(project);
319:                return includes;
320:            }
321:
322:            /**
323:             * General dependencies. If any of the files is modified
324:             * ( i.e. is newer than the oldest .o ) we'll recompile everything.
325:             *
326:             * This can be used for headers ( until we add support for makedepend)
327:             * or any important file that could invalidate the build.
328:             * Another example is checking httpd or apxs ( if a new version
329:             * was installed, maybe some flags or symbols changed )
330:             */
331:            public Path createDepends() {
332:                depends = new Path(project);
333:                return depends;
334:            }
335:
336:            /**
337:             * Libraries ( .a, .so or .dll ) files to link to.
338:             */
339:            public Path createLibs() {
340:                libs = new Path(project);
341:                return libs;
342:            }
343:
344:            /**
345:             * The name of the target file.
346:             * (XXX including extension - this should be automatically added )
347:             */
348:            public void setModule(String modName) {
349:                this .module = modName; // Should be this ?
350:            }
351:
352:            // XXX Add specific code for Netware, Windows and platforms where libtool
353:            // is problematic
354:
355:            // XXX Add specific code for Linux and platforms where things are
356:            // clean, libtool should be just a fallback.
357:            public void execute() throws BuildException {
358:                compiler = findCompilerAdapter();
359:                //      co_mapper=compiler.getOMapper();
360:                LinkerAdapter linker = findLinkerAdapter();
361:
362:                if (soFile == null)
363:                    throw new BuildException("No target ( " + soExt + " file )");
364:                if (src == null)
365:                    throw new BuildException("No source files");
366:
367:                // XXX makedepend-type dependencies - how ??
368:                // We could generate a dummy Makefile and parse the content...
369:                findSourceFiles();
370:
371:                // Copy all settings into compiler
372:                this .duplicateTo(compiler);
373:                compiler.compile(srcList);
374:
375:                // XXX move this checking to linker
376:                File soTarget = new File(buildDir, soFile + soExt);
377:                if (compiler.getCompiledFiles().size() == 0
378:                        && soTarget.exists()) {
379:                    // No dependency, no need to relink
380:                    return;
381:                }
382:
383:                this .duplicateTo(linker);
384:                linker.link(srcList);
385:            }
386:
387:            public CompilerAdapter findCompilerAdapter() {
388:                CompilerAdapter compilerAdapter;
389:                String cc;
390:                cc = project.getProperty("build.compiler.cc");
391:                if (cc != null) {
392:                    if ("cc".equals(cc)) {
393:                        compilerAdapter = new CcCompiler();
394:                        compilerAdapter.setSoTask(this );
395:                        return compilerAdapter;
396:                    }
397:                    if ("gcj".equals(cc)) {
398:                        compilerAdapter = new GcjCompiler();
399:                        compilerAdapter.setSoTask(this );
400:                        return compilerAdapter;
401:                    }
402:                    if (cc.indexOf("mwccnlm") != -1) {
403:                        compilerAdapter = new MwccCompiler();
404:                        compilerAdapter.setSoTask(this );
405:                        return compilerAdapter;
406:                    }
407:                    if (cc.indexOf("cl") != -1) {
408:                        compilerAdapter = new MsvcCompiler();
409:                        compilerAdapter.setSoTask(this );
410:                        return compilerAdapter;
411:                    }
412:                }
413:
414:                compilerAdapter = new LibtoolCompiler();
415:                compilerAdapter.setSoTask(this );
416:                return compilerAdapter;
417:            }
418:
419:            public LinkerAdapter findLinkerAdapter() {
420:                LinkerAdapter linkerAdapter;
421:                String ld = project.getProperty("build.compiler.ld");
422:                if (ld != null) {
423:                    if (ld.indexOf("mwldnlm") != -1) {
424:                        linkerAdapter = new MwldLinker();
425:                        linkerAdapter.setSoTask(this );
426:                        return linkerAdapter;
427:                    }
428:                    if (ld.indexOf("link") != -1) {
429:                        linkerAdapter = new MsvcLinker();
430:                        linkerAdapter.setSoTask(this );
431:                        return linkerAdapter;
432:                    }
433:                    //      if( "ld".equals( cc ) ) {
434:                    //          linkerAdapter=new LdLinker();
435:                    //          linkerAdapter.setSoTask( this );
436:                    //          return cc;
437:                    //      }
438:                }
439:
440:                String cc = project.getProperty("build.compiler.cc");
441:                if ("gcj".equals(cc)) {
442:                    linkerAdapter = new GcjLinker();
443:                    linkerAdapter.setSoTask(this );
444:                    return linkerAdapter;
445:                }
446:
447:                linkerAdapter = new LibtoolLinker();
448:                linkerAdapter.setSoTask(this );
449:                return linkerAdapter;
450:            }
451:
452:            /** Find all source files declared with <src> elements
453:             */
454:            public void findSourceFiles() {
455:                if (buildDir == null)
456:                    buildDir = project.getBaseDir();
457:
458:                Enumeration e = src.elements();
459:                while (e.hasMoreElements()) {
460:                    FileSet fs = (FileSet) e.nextElement();
461:                    DirectoryScanner ds = fs.getDirectoryScanner(project);
462:                    String localList[] = ds.getIncludedFiles();
463:                    if (localList.length == 0)
464:                        throw new BuildException("No source files ");
465:                    for (int i = 0; i < localList.length; i++) {
466:                        srcList.addElement(new Source(fs.getDir(project),
467:                                localList[i]));
468:                    }
469:                }
470:            }
471:
472:            /** If any file declared in <depend> element has changed, we'll do
473:                a full rebuild.
474:             */
475:            public boolean checkDepend(long oldestO, File oldestOFile) {
476:                if (depends == null)
477:                    return false;
478:                String dependsA[] = depends.list();
479:                for (int i = 0; i < dependsA.length; i++) {
480:                    File f = new File(dependsA[i]);
481:                    if (!f.exists()) {
482:                        log("Depend not found " + f);
483:                        return true;
484:                    }
485:                    if (f.lastModified() > oldestO) {
486:                        log("Depend " + f + " newer than " + oldestOFile);
487:                        return true;
488:                    }
489:                }
490:                return false;
491:            }
492:
493:            // ==================== Execution utils ==================== 
494:
495:            protected ExecuteStreamHandler streamhandler = null;
496:            protected ByteArrayOutputStream outputstream = null;
497:            protected ByteArrayOutputStream errorstream = null;
498:
499:            public int execute(Commandline cmd) throws BuildException {
500:                createStreamHandler();
501:                Execute exe = new Execute(streamhandler, null);
502:                exe.setAntRun(project);
503:
504:                exe.setWorkingDirectory(buildDir);
505:
506:                exe.setCommandline(cmd.getCommandline());
507:                int result = 0;
508:                try {
509:                    result = exe.execute();
510:                } catch (IOException e) {
511:                    throw new BuildException(e, location);
512:                }
513:                return result;
514:            }
515:
516:            public void createStreamHandler() throws BuildException {
517:                //      try {
518:                outputstream = new ByteArrayOutputStream();
519:                errorstream = new ByteArrayOutputStream();
520:
521:                streamhandler = new PumpStreamHandler(new PrintStream(
522:                        outputstream), new PrintStream(errorstream));
523:                //      }  catch (IOException e) {
524:                //          throw new BuildException(e,location);
525:                //      }
526:            }
527:
528:            public void closeStreamHandler() {
529:                try {
530:                    if (outputstream != null)
531:                        outputstream.close();
532:                    if (errorstream != null)
533:                        errorstream.close();
534:                    outputstream = null;
535:                    errorstream = null;
536:                } catch (IOException e) {
537:                }
538:            }
539:        }
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