List of usage examples for org.apache.commons.jci.readers ResourceReader isAvailable
boolean isAvailable(final String pResourceName);
From source file:org.auroraide.server.jci.compilers.EclipseJavaCompiler.java
public org.apache.commons.jci.compilers.CompilationResult compile(final String[] pSourceFiles, final ResourceReader pReader, final ResourceStore pStore, final ClassLoader pClassLoader, final JavaCompilerSettings pSettings) { final Map<?, ?> settingsMap = ((EclipseJavaCompilerSettings) defaultSettings).getMap(); final Collection<CompilationProblem> problems = new ArrayList<CompilationProblem>(); final ICompilationUnit[] compilationUnits = new ICompilationUnit[pSourceFiles.length]; for (int i = 0; i < compilationUnits.length; i++) { final String sourceFile = pSourceFiles[i]; if (pReader.isAvailable(sourceFile)) { compilationUnits[i] = new CompilationUnit(pReader, sourceFile); log.debug("compiling " + sourceFile); } else {/* w w w. j a v a2 s .com*/ // log.error("source not found " + sourceFile); final CompilationProblem problem = new CompilationProblem() { public int getEndColumn() { return 0; } public int getEndLine() { return 0; } public String getFileName() { return sourceFile; } public String getMessage() { return "Source " + sourceFile + " could not be found"; } public int getStartColumn() { return 0; } public int getStartLine() { return 0; } public boolean isError() { return true; } public String toString() { return getMessage(); } }; if (problemHandler != null) { problemHandler.handle(problem); } problems.add(problem); } } if (problems.size() > 0) { final CompilationProblem[] result = new CompilationProblem[problems.size()]; problems.toArray(result); return new org.apache.commons.jci.compilers.CompilationResult(result); } final IErrorHandlingPolicy policy = DefaultErrorHandlingPolicies.proceedWithAllProblems(); final IProblemFactory problemFactory = new DefaultProblemFactory(Locale.getDefault()); final INameEnvironment nameEnvironment = new INameEnvironment() { public NameEnvironmentAnswer findType(final char[][] pCompoundTypeName) { final StringBuffer result = new StringBuffer(); for (int i = 0; i < pCompoundTypeName.length; i++) { if (i != 0) { result.append('.'); } result.append(pCompoundTypeName[i]); } //log.debug("finding compoundTypeName=" + result.toString()); return findType(result.toString()); } public NameEnvironmentAnswer findType(final char[] pTypeName, final char[][] pPackageName) { final StringBuffer result = new StringBuffer(); for (int i = 0; i < pPackageName.length; i++) { result.append(pPackageName[i]); result.append('.'); } // log.debug("finding typeName=" + new String(typeName) + " packageName=" + result.toString()); result.append(pTypeName); return findType(result.toString()); } private NameEnvironmentAnswer findType(final String pClazzName) { if (isPackage(pClazzName)) { return null; } log.debug("finding " + pClazzName); final String resourceName = ConversionUtils.convertClassToResourcePath(pClazzName); final byte[] clazzBytes = pStore.read(pClazzName); if (clazzBytes != null) { log.debug("loading from store " + pClazzName); final char[] fileName = pClazzName.toCharArray(); try { final ClassFileReader classFileReader = new ClassFileReader(clazzBytes, fileName, true); return new NameEnvironmentAnswer(classFileReader, null); } catch (final ClassFormatException e) { log.error("wrong class format", e); return null; } } log.debug("not in store " + pClazzName); final InputStream is = pClassLoader.getResourceAsStream(resourceName); if (is == null) { log.debug("class " + pClazzName + " not found"); return null; } final byte[] buffer = new byte[8192]; final ByteArrayOutputStream baos = new ByteArrayOutputStream(buffer.length); int count; try { while ((count = is.read(buffer, 0, buffer.length)) > 0) { baos.write(buffer, 0, count); } baos.flush(); final char[] fileName = pClazzName.toCharArray(); final ClassFileReader classFileReader = new ClassFileReader(baos.toByteArray(), fileName, true); return new NameEnvironmentAnswer(classFileReader, null); } catch (final IOException e) { log.error("could not read class", e); return null; } catch (final ClassFormatException e) { log.error("wrong class format", e); return null; } finally { try { baos.close(); } catch (final IOException oe) { log.error("could not close output stream", oe); } try { is.close(); } catch (final IOException ie) { log.error("could not close input stream", ie); } } } private boolean isPackage(final String pClazzName) { final InputStream is = pClassLoader .getResourceAsStream(ConversionUtils.convertClassToResourcePath(pClazzName)); if (is != null) { log.debug("found the class for " + pClazzName + "- no package"); return false; } // FIXME: this should not be tied to the extension final String source = pClazzName.replace('.', '/') + ".java"; if (pReader.isAvailable(source)) { log.debug("found the source " + source + " for " + pClazzName + " - no package "); return false; } return true; } public boolean isPackage(char[][] parentPackageName, char[] pPackageName) { final StringBuffer result = new StringBuffer(); if (parentPackageName != null) { for (int i = 0; i < parentPackageName.length; i++) { if (i != 0) { result.append('.'); } result.append(parentPackageName[i]); } } // log.debug("isPackage parentPackageName=" + result.toString() + " packageName=" + new String(packageName)); if (parentPackageName != null && parentPackageName.length > 0) { result.append('.'); } result.append(pPackageName); return isPackage(result.toString()); } public void cleanup() { log.debug("cleanup"); } }; final ICompilerRequestor compilerRequestor = new ICompilerRequestor() { public void acceptResult(final CompilationResult pResult) { if (pResult.hasProblems()) { final IProblem[] iproblems = pResult.getProblems(); for (int i = 0; i < iproblems.length; i++) { final IProblem iproblem = iproblems[i]; final CompilationProblem problem = new EclipseCompilationProblem(iproblem); if (problemHandler != null) { problemHandler.handle(problem); } problems.add(problem); } } if (!pResult.hasErrors()) { final ClassFile[] clazzFiles = pResult.getClassFiles(); for (int i = 0; i < clazzFiles.length; i++) { final ClassFile clazzFile = clazzFiles[i]; final char[][] compoundName = clazzFile.getCompoundName(); final StringBuffer clazzName = new StringBuffer(); for (int j = 0; j < compoundName.length; j++) { if (j != 0) { clazzName.append('.'); } clazzName.append(compoundName[j]); } pStore.write(clazzName.toString().replace('.', '/') + ".class", clazzFile.getBytes()); } } } }; final Compiler compiler = new Compiler(nameEnvironment, policy, settingsMap, compilerRequestor, problemFactory, false); compiler.compile(compilationUnits); final CompilationProblem[] result = new CompilationProblem[problems.size()]; problems.toArray(result); return new org.apache.commons.jci.compilers.CompilationResult(result); }
From source file:org.auroraide.server.jci.compilers.Jsr199JavaCompiler.java
public CompilationResult compile(final String[] pResourcePaths, final ResourceReader pReader, final ResourceStore pStore, final ClassLoader classLoader, JavaCompilerSettings settings) { final Collection<JavaFileObject> units = new ArrayList<JavaFileObject>(); for (int i = 0; i < pResourcePaths.length; i++) { final String sourcePath = pResourcePaths[i]; log.debug("compiling " + sourcePath); final String source = pResourcePaths[i]; if (pReader.isAvailable(source)) units.add(new CompilationUnit(sourcePath, pReader)); }/* w ww . j a v a2 s .c o m*/ final JavaCompiler compiler = ToolProvider.getSystemJavaCompiler(); final JavaFileManager fileManager = new JciJavaFileManager(units, pStore); final DiagnosticCollector<JavaFileObject> diagnostics = new DiagnosticCollector<JavaFileObject>(); // final JavaFileManager fileManager1 = // compiler.getStandardFileManager(null,null,null); System.getProperties(); compiler.getTask(null, fileManager, diagnostics, options, null, units).call(); try { fileManager.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } final List<Diagnostic<? extends JavaFileObject>> jsrProblems = diagnostics.getDiagnostics(); final CompilationProblem[] problems = new CompilationProblem[jsrProblems.size()]; int i = 0; for (final Diagnostic<? extends JavaFileObject> jsrProblem : jsrProblems) { problems[i++] = new Jsr199CompilationProblem(jsrProblem); if (problemHandler != null) { problemHandler.handle(problems[i - 1]); } } return new CompilationResult(problems); }
From source file:org.drools.compiler.PackageBuilder.java
/** * Takes a given name and makes sure that its legal and doesn't already exist. If the file exists it increases counter appender untill it is unique. * /*from w w w . j a v a 2 s .co m*/ * @param packageName * @param name * @param ext * @return */ private String getUniqueLegalName(final String packageName, final String name, final String ext, final ResourceReader src) { // replaces all non alphanumeric or $ chars with _ String newName = "Rule_" + name.replaceAll("[^\\w$]", "_"); // make sure the class name does not exist, if it does increase the counter int counter = -1; boolean exists = true; while (exists) { counter++; final String fileName = packageName.replaceAll("\\.", "/") + newName + "_" + counter + ext; exists = src.isAvailable(fileName); } // we have duplicate file names so append counter if (counter >= 0) { newName = newName + "_" + counter; } return newName; }