Examples of javax.tools.JavaFileObject

javax.tools.JavaFileObject
File abstraction for tools operating on Java™ programming language source and class files.
All methods in this interface might throw a SecurityException if a security exception occurs.
Unless explicitly allowed, all methods in this interface might throw a NullPointerException if given a {@code null} argument. @author Peter von der Ahé @author Jonathan Gibbons @see JavaFileManager @since 1.6

        Env<AttrContext> env = enter.typeEnvs.get(c);
        JCClassDecl tree = (JCClassDecl)env.tree;
        boolean wasFirst = isFirst;
        isFirst = false;


        JavaFileObject prev = log.useSource(env.toplevel.sourcefile);
        try {
            // Save class environment for later member enter (2) processing.
            halfcompleted.append(env);


            // If this is a toplevel-class, make sure any preceding import

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    /** Enter member fields and methods of a class
     *  @param env        the environment current for the class block.
     */
    private void finish(Env<AttrContext> env) {
        JavaFileObject prev = log.useSource(env.toplevel.sourcefile);
        try {
            JCClassDecl tree = (JCClassDecl)env.tree;
            finishClass(tree, env);
        } finally {
            log.useSource(prev);

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        return attribTree(node, localEnv, Kinds.TYP, Type.noType);
    }


    public Env<AttrContext> attribExprToTree(JCTree expr, Env<AttrContext> env, JCTree tree) {
        breakTree = tree;
        JavaFileObject prev = log.useSource(null);
        try {
            attribExpr(expr, env);
        } catch (BreakAttr b) {
            return b.env;
        } finally {

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        return env;
    }


    public Env<AttrContext> attribStatToTree(JCTree stmt, Env<AttrContext> env, JCTree tree) {
        breakTree = tree;
        JavaFileObject prev = log.useSource(null);
        try {
            attribStat(stmt, env);
        } catch (BreakAttr b) {
            return b.env;
        } finally {

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            // Having found the enclosing lint value, we can initialize the lint value for this class
            env.info.lint = lintEnv.info.lint.augment(c.attributes_field, c.flags());


            Lint prevLint = chk.setLint(env.info.lint);
            JavaFileObject prev = log.useSource(c.sourcefile);


            try {
                // java.lang.Enum may not be subclassed by a non-enum
                if (st.tsym == syms.enumSym &&
                    ((c.flags_field & (Flags.ENUM|Flags.COMPOUND)) == 0))

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                                      final Attr attr,
                                      final JCTree.JCExpression initializer)
        {
            setData(new Callable<Object>() {
                public Object call() {
                    JavaFileObject source = log.useSource(env.toplevel.sourcefile);
                    try {
                        // In order to catch self-references, we set
                        // the variable's declaration position to
                        // maximal possible value, effectively marking
                        // the variable as undefined.

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            Name qualifiedClassName = eachBuildableTypeElement.getQualifiedName();
            String packageName = getPackageNameFrom(qualifiedClassName);


            try {
                final Buildable theBuildable = eachBuildableTypeElement.getAnnotation(Buildable.class);
                final JavaFileObject javaFileObject = processingEnv.getFiler().createSourceFile(packageName + "." +
                        createBuilderName(theBuildable, simpleClassName), eachBuildableClass);




                final OutputStream outputStream = javaFileObject.openOutputStream();
                final OutputStreamWriter out = new OutputStreamWriter(outputStream);


                writePackageAndImports(qualifiedClassName, out);


                writeClassDeclaration(simpleClassName, theBuildable, out);

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    }


    @Override
    public JavaFileObject getJavaFileForOutput(Location location, String qualifiedName, Kind kind, FileObject outputFile)
                                                                                                                         throws IOException {
        JavaFileObject file = new JavaFileObjectImpl(qualifiedName, kind);
        classLoader.add(qualifiedName, file);
        return file;
    }

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    public JavaFileObject getJavaFileObject(String qualifiedClassName) {
        return classes.get(qualifiedClassName);
    }


    protected synchronized Class<?> findClass(String qualifiedClassName) throws ClassNotFoundException {
        JavaFileObject file = classes.get(qualifiedClassName);
        if (file != null) {
            byte[] bytes = ((JavaFileObjectImpl) file).getByteCode();
            return defineClass(qualifiedClassName, bytes, 0, bytes.length);
        }

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        String className = element.toString();
        String simpleName = element.getSimpleName().toString();
        String generatedClassName = className + "Stephenerializer";
        String simpleGeneratedClassName = simpleName + "Stephenerializer";
        Filer filer = processingEnv.getFiler();
        JavaFileObject sourceFile = filer.createSourceFile(generatedClassName);


        StephenerializationPreprocessorFieldGenerator generator = new StephenerializationPreprocessorFieldGenerator();
        Set<StephenerializationPreprocessorField> fields = generator.generateFields(element);


        PreprocessingWriter w = new PreprocessingWriter(sourceFile.openWriter());


        writePackageImportsAndClass(w, element, simpleGeneratedClassName);


        w.indent();
        writeWriteMethod(w, className, fields, stephenerializable);

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