Example usage for javax.tools DiagnosticListener DiagnosticListener

Introduction

In this page you can find the example usage for javax.tools DiagnosticListener DiagnosticListener.

Prototype

DiagnosticListener

Source Link

Usage

From source file:com.sillelien.dollar.DocTestingVisitor.java

@Override
public void visit(@NotNull VerbatimNode node) {
    if ("java".equals(node.getType())) {
        try {//  w  w  w.  jav a 2s . co m
            String name = "DocTemp" + System.currentTimeMillis();
            File javaFile = new File("/tmp/" + name + ".java");
            File clazzFile = new File("/tmp/" + name + ".class");
            clazzFile.getParentFile().mkdirs();
            FileUtils.write(javaFile,
                    "import com.sillelien.dollar.api.*;\n"
                            + "import static com.sillelien.dollar.api.DollarStatic.*;\n" + "public class "
                            + name + " implements java.lang.Runnable{\n" + "    public void run() {\n"
                            + "        " + node.getText() + "\n" + "    }\n" + "}");
            final JavaCompiler javac = ToolProvider.getSystemJavaCompiler();
            final StandardJavaFileManager jfm = javac.getStandardFileManager(null, null, null);
            JavaCompiler.CompilationTask task;
            DiagnosticListener<JavaFileObject> diagnosticListener = new DiagnosticListener<JavaFileObject>() {

                @Override
                public void report(Diagnostic diagnostic) {
                    System.out.println(diagnostic);
                    throw new RuntimeException(diagnostic.getMessage(Locale.getDefault()));
                }
            };

            try (FileOutputStream fileOutputStream = FileUtils.openOutputStream(clazzFile)) {
                task = javac.getTask(new OutputStreamWriter(fileOutputStream), jfm, diagnosticListener, null,
                        null, jfm.getJavaFileObjects(javaFile));
            }
            task.call();

            try {
                // Convert File to a URL
                URL url = clazzFile.getParentFile().toURL();
                URL[] urls = new URL[] { url };
                ClassLoader cl = new URLClassLoader(urls);
                Class cls = cl.loadClass(name);
                ((Runnable) cls.newInstance()).run();
            } catch (MalformedURLException e) {
                e.printStackTrace();
            } catch (ClassNotFoundException e) {
                e.printStackTrace();
            } catch (InstantiationException e) {
                e.printStackTrace();
            } catch (IllegalAccessException e) {
                e.printStackTrace();
            }
            System.out.println("Parsed: " + node.getText());
        } catch (IOException e) {
            throw new RuntimeException(e);
        }

    }
}

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From source file:org.javascool.compiler.Compiler.java

/**
 * Lance la compilation des fichiers vers un autre rpertoire. Va compiler les fichier dans un autre rpertoire.
 *
 * @param binDirectory Rpertoire cible pour la compilation. Il doit dj exister et tre un dossier
 * @return Les erreurs de la compilation
 *//*from w  ww .  j  a v  a 2  s .c  o m*/
public ArrayList<Diagnostic<? extends JavaFileObject>> compile(File binDirectory) {
    assertDirectoryExists(binDirectory);
    final ArrayList<Diagnostic<? extends JavaFileObject>> errors = new ArrayList<Diagnostic<? extends JavaFileObject>>();

    ArrayList<String> sourceFiles = new ArrayList<String>(filesToCompile.length);
    for (File srcFile : filesToCompile)
        sourceFiles.add(srcDirectory.toURI().relativize(srcFile.toURI()).getPath());
    classLoader = new JVSClassLoader(binDirectory);

    JavaCompiler eclipseCompiler;
    ArrayList<String> options;
    eclipseCompiler = new EclipseCompiler();
    options = getCompilerOptions();

    DiagnosticListener<? super JavaFileObject> diagnosticListener = new DiagnosticListener<JavaFileObject>() {
        public void report(Diagnostic<? extends JavaFileObject> diagnostic) {
            errors.add(diagnostic);
        }
    };

    StandardJavaFileManager fileManager = eclipseCompiler.getStandardFileManager(diagnosticListener, null,
            Charset.forName("UTF-8"));
    Iterable<? extends JavaFileObject> compilationUnits = fileManager
            .getJavaFileObjects(sourceFiles.toArray(new String[sourceFiles.size()]));

    eclipseCompiler.getTask(null, fileManager, diagnosticListener, options, null, compilationUnits).call();

    return errors;
}

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From source file:rita.compiler.CompileString.java

/**
 * El mtodo compile crea el archivo compilado a partir de un codigo fuente
 * y lo deja en un directorio determinado
 * //  ww w . ja v a  2  s  .c om
 * @param sourceCode
 *            el codigo fuente
 * @param className
 *            el nombre que debera llevar la clase
 * @param packageName
 *            nombre del paquete
 * @param outputDirectory
 *            directorio donde dejar el archivo compilado
 * */
public static final Collection<File> compile(File sourceCode, File outputDirectory) throws Exception {
    diagnostics = new ArrayList<Diagnostic<? extends JavaFileObject>>();
    JavaCompiler compiler = new EclipseCompiler();

    System.out.println(sourceCode);

    DiagnosticListener<JavaFileObject> listener = new DiagnosticListener<JavaFileObject>() {
        @Override
        public void report(Diagnostic<? extends JavaFileObject> diagnostic) {
            if (diagnostic.getKind().equals(javax.tools.Diagnostic.Kind.ERROR)) {
                System.err.println("=======================ERROR==========================");
                System.err.println("Tipo: " + diagnostic.getKind());
                System.err.println("mensaje: " + diagnostic.getMessage(Locale.ENGLISH));
                System.err.println("linea: " + diagnostic.getLineNumber());
                System.err.println("columna: " + diagnostic.getColumnNumber());
                System.err.println("CODE: " + diagnostic.getCode());
                System.err.println(
                        "posicion: de " + diagnostic.getStartPosition() + " a " + diagnostic.getEndPosition());
                System.err.println(diagnostic.getSource());
                diagnostics.add(diagnostic);
            }
        }

    };

    StandardJavaFileManager fileManager = compiler.getStandardFileManager(null, null, null);
    /* guardar los .class y  directorios (packages) en un directorio separado; de esta manera
     * si se genera mas de 1 clase (porque p.ej. hay inner classes en el codigo) podemos identificar
     * a todas las clases resultantes de esta compilacion
     */
    File tempOutput = createTempDirectory();
    fileManager.setLocation(StandardLocation.CLASS_OUTPUT, Arrays.asList(tempOutput));
    Iterable<? extends JavaFileObject> compilationUnits = fileManager.getJavaFileObjects(sourceCode);
    try {
        if (compiler.getTask(null, fileManager, listener, null, null, compilationUnits).call()) {
            // copiar .class y  directorios (packages) generados por el compilador en tempOutput al directorio final
            FileUtils.copyDirectory(tempOutput, outputDirectory);
            // a partir de los paths de los archivos .class generados en el dir temp, modificarlos para que sean relativos a outputDirectory
            Collection<File> compilationResults = new ArrayList<File>();
            final int tempPrefix = tempOutput.getAbsolutePath().length();
            for (File classFile : FileUtils.listFiles(tempOutput, new SuffixFileFilter(".class"),
                    TrueFileFilter.INSTANCE)) {
                compilationResults
                        .add(new File(outputDirectory, classFile.getAbsolutePath().substring(tempPrefix)));
            }
            // retornar los paths de todos los .class generados
            return compilationResults;
        }
    } catch (Exception e) {
        e.printStackTrace();
        System.out.println("Error al realizar el compilado");
    } finally {
        FileUtils.deleteDirectory(tempOutput);
        fileManager.close();
    }
    return null;
}

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