Examples with JavaSource com.thoughtworks.qdox.model.JavaSource used on opensource projects

Example 1 with JavaSource

use of com.thoughtworks.qdox.model.JavaSource in project sling by apache.

the class JcrOcmMojo method execute.

public void execute() throws MojoFailureException {
    boolean hasFailures = false;
    // prepare QDox and prime with the compile class path of the project
    JavaDocBuilder builder = new JavaDocBuilder();
    try {
        builder.getClassLibrary().addClassLoader(this.getCompileClassLoader());
    } catch (IOException ioe) {
        throw new MojoFailureException("Cannot prepare QDox");
    }
    // add the sources from the project
    for (Iterator i = this.project.getCompileSourceRoots().iterator(); i.hasNext(); ) {
        try {
            builder.addSourceTree(new File((String) i.next()));
        } catch (OutOfMemoryError oome) {
            // this may be the case for big sources and not enough VM mem
            // drop the builder to help GC now
            builder = null;
            // fail with some explanation
            throw new MojoFailureException("Failed analyzing source due to not enough memory, try setting Max Heap Size higher, e.g. using MAVEN_OPTS=-Xmx128m");
        }
    }
    // parse the sources and get them
    JavaSource[] javaSources = builder.getSources();
    List descriptors = new ArrayList();
    for (int i = 0; i < javaSources.length; i++) {
        JavaClass[] javaClasses = javaSources[i].getClasses();
        for (int j = 0; javaClasses != null && j < javaClasses.length; j++) {
            DocletTag tag = javaClasses[j].getTagByName(ClassDescriptor.TAG_CLASS_DESCRIPTOR);
            if (tag != null) {
                ClassDescriptor descriptor = this.createClassDescriptor(javaClasses[j]);
                if (descriptor != null) {
                    descriptors.add(descriptor);
                } else {
                    hasFailures = true;
                }
            }
        }
    }
    // after checking all classes, throw if there were any failures
    if (hasFailures) {
        throw new MojoFailureException("Jackrabbit OCM Descriptor parsing had failures (see log)");
    }
    // terminate if there is nothing to write
    if (descriptors.isEmpty()) {
        this.getLog().info("No Jackrabbit OCM Descriptors found in project");
        return;
    }
    // finally the descriptors have to be written ....
    if (StringUtils.isEmpty(this.finalName)) {
        this.getLog().error("Descriptor file name must not be empty");
        return;
    }
    // prepare the descriptor output file
    File descriptorFile = new File(new File(this.outputDirectory, "SLING-INF"), this.finalName);
    // ensure parent dir
    descriptorFile.getParentFile().mkdirs();
    this.getLog().info("Generating " + descriptors.size() + " OCM Mapping Descriptors to " + descriptorFile);
    // write out all the class descriptors in parse order
    FileOutputStream descriptorStream = null;
    XMLWriter xw = null;
    try {
        descriptorStream = new FileOutputStream(descriptorFile);
        xw = new XMLWriter(descriptorStream, false);
        xw.printElementStart("jackrabbit-ocm", false);
        for (Iterator di = descriptors.iterator(); di.hasNext(); ) {
            ClassDescriptor sd = (ClassDescriptor) di.next();
            sd.generate(xw);
        }
        xw.printElementEnd("jackrabbit-ocm");
    } catch (IOException ioe) {
        hasFailures = true;
        this.getLog().error("Cannot write descriptor to " + descriptorFile, ioe);
        throw new MojoFailureException("Failed to write descriptor to " + descriptorFile);
    } finally {
        IOUtil.close(xw);
        IOUtil.close(descriptorStream);
        // remove the descriptor file in case of write failure
        if (hasFailures) {
            descriptorFile.delete();
        }
    }
    // now add the descriptor file to the maven resources
    final String ourRsrcPath = this.outputDirectory.getAbsolutePath();
    boolean found = false;
    final Iterator rsrcIterator = this.project.getResources().iterator();
    while (!found && rsrcIterator.hasNext()) {
        final Resource rsrc = (Resource) rsrcIterator.next();
        found = rsrc.getDirectory().equals(ourRsrcPath);
    }
    if (!found) {
        final Resource resource = new Resource();
        resource.setDirectory(this.outputDirectory.getAbsolutePath());
        this.project.addResource(resource);
    }
    // and set include accordingly
    this.project.getProperties().setProperty("Sling-Mappings", "SLING-INF/" + this.finalName);
}

Example 2 with JavaSource

use of com.thoughtworks.qdox.model.JavaSource in project geronimo-xbean by apache.

the class QdoxMappingLoader method loadElements.

private List<ElementMapping> loadElements(JavaDocBuilder builder) {
    JavaSource[] javaSources = builder.getSources();
    List<ElementMapping> elements = new ArrayList<ElementMapping>();
    for (JavaSource javaSource : javaSources) {
        if (javaSource.getClasses().length == 0) {
            log.info("No Java Classes defined in: " + javaSource.getURL());
        } else {
            JavaClass[] classes = javaSource.getClasses();
            for (JavaClass javaClass : classes) {
                ElementMapping element = loadElement(builder, javaClass);
                if (element != null && !javaClass.isAbstract()) {
                    elements.add(element);
                } else {
                    log.debug("No XML annotation found for type: " + javaClass.getFullyQualifiedName());
                }
            }
        }
    }
    return elements;
}

Example 3 with JavaSource

use of com.thoughtworks.qdox.model.JavaSource in project zeppelin by apache.

the class JavaSourceFromString method execute.

public static String execute(String generatedClassName, String code) throws Exception {
    JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
    DiagnosticCollector<JavaFileObject> diagnostics = new DiagnosticCollector<JavaFileObject>();
    // Java parasing
    JavaProjectBuilder builder = new JavaProjectBuilder();
    JavaSource src = builder.addSource(new StringReader(code));
    // get all classes in code (paragraph)
    List<JavaClass> classes = src.getClasses();
    String mainClassName = null;
    // Searching for class containing Main method
    for (int i = 0; i < classes.size(); i++) {
        boolean hasMain = false;
        for (int j = 0; j < classes.get(i).getMethods().size(); j++) {
            if (classes.get(i).getMethods().get(j).getName().equals("main") && classes.get(i).getMethods().get(j).isStatic()) {
                mainClassName = classes.get(i).getName();
                hasMain = true;
                break;
            }
        }
        if (hasMain == true) {
            break;
        }
    }
    // if there isn't Main method, will retuen error
    if (mainClassName == null) {
        logger.error("Exception for Main method", "There isn't any class " + "containing static main method.");
        throw new Exception("There isn't any class containing static main method.");
    }
    // replace name of class containing Main method with generated name
    code = code.replace(mainClassName, generatedClassName);
    JavaFileObject file = new JavaSourceFromString(generatedClassName, code.toString());
    Iterable<? extends JavaFileObject> compilationUnits = Arrays.asList(file);
    ByteArrayOutputStream baosOut = new ByteArrayOutputStream();
    ByteArrayOutputStream baosErr = new ByteArrayOutputStream();
    // Creating new stream to get the output data
    PrintStream newOut = new PrintStream(baosOut);
    PrintStream newErr = new PrintStream(baosErr);
    // Save the old System.out!
    PrintStream oldOut = System.out;
    PrintStream oldErr = System.err;
    // Tell Java to use your special stream
    System.setOut(newOut);
    System.setErr(newErr);
    CompilationTask task = compiler.getTask(null, null, diagnostics, null, null, compilationUnits);
    // executing the compilation process
    boolean success = task.call();
    // if success is false will get error
    if (!success) {
        for (Diagnostic diagnostic : diagnostics.getDiagnostics()) {
            if (diagnostic.getLineNumber() == -1) {
                continue;
            }
            System.err.println("line " + diagnostic.getLineNumber() + " : " + diagnostic.getMessage(null));
        }
        System.out.flush();
        System.err.flush();
        System.setOut(oldOut);
        System.setErr(oldErr);
        logger.error("Exception in Interpreter while compilation", baosErr.toString());
        throw new Exception(baosErr.toString());
    } else {
        try {
            // creating new class loader
            URLClassLoader classLoader = URLClassLoader.newInstance(new URL[] { new File("").toURI().toURL() });
            // execute the Main method
            Class.forName(generatedClassName, true, classLoader).getDeclaredMethod("main", new Class[] { String[].class }).invoke(null, new Object[] { null });
            System.out.flush();
            System.err.flush();
            // set the stream to old stream
            System.setOut(oldOut);
            System.setErr(oldErr);
            return baosOut.toString();
        } catch (ClassNotFoundException | NoSuchMethodException | IllegalAccessException | InvocationTargetException e) {
            logger.error("Exception in Interpreter while execution", e);
            System.err.println(e);
            e.printStackTrace(newErr);
            throw new Exception(baosErr.toString(), e);
        } finally {
            System.out.flush();
            System.err.flush();
            System.setOut(oldOut);
            System.setErr(oldErr);
        }
    }
}

Example 4 with JavaSource

use of com.thoughtworks.qdox.model.JavaSource in project geronimo-xbean by apache.

the class QdoxMappingLoader method loadElements.

private List<ElementMapping> loadElements(JavaDocBuilder builder) {
    JavaSource[] javaSources = builder.getSources();
    List<ElementMapping> elements = new ArrayList<ElementMapping>();
    for (JavaSource javaSource : javaSources) {
        if (javaSource.getClasses().length == 0) {
            log.info("No Java Classes defined in: " + javaSource.getURL());
        } else {
            JavaClass[] classes = javaSource.getClasses();
            for (JavaClass javaClass : classes) {
                ElementMapping element = loadElement(builder, javaClass);
                if (element != null && !javaClass.isAbstract()) {
                    elements.add(element);
                } else {
                    log.debug("No XML annotation found for type: " + javaClass.getFullyQualifiedName());
                }
            }
        }
    }
    return elements;
}

Example 5 with JavaSource

use of com.thoughtworks.qdox.model.JavaSource in project zeppelin by apache.

the class JavaSourceFromString method execute.

public static String execute(String generatedClassName, String code) throws Exception {
    JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
    DiagnosticCollector<JavaFileObject> diagnostics = new DiagnosticCollector<JavaFileObject>();
    // Java parasing
    JavaProjectBuilder builder = new JavaProjectBuilder();
    JavaSource src = builder.addSource(new StringReader(code));
    // get all classes in code (paragraph)
    List<JavaClass> classes = src.getClasses();
    String mainClassName = null;
    // Searching for class containing Main method
    for (int i = 0; i < classes.size(); i++) {
        boolean hasMain = false;
        for (int j = 0; j < classes.get(i).getMethods().size(); j++) {
            if (classes.get(i).getMethods().get(j).getName().equals("main") && classes.get(i).getMethods().get(j).isStatic()) {
                mainClassName = classes.get(i).getName();
                hasMain = true;
                break;
            }
        }
        if (hasMain == true) {
            break;
        }
    }
    // if there isn't Main method, will retuen error
    if (mainClassName == null) {
        logger.error("Exception for Main method", "There isn't any class " + "containing static main method.");
        throw new Exception("There isn't any class containing static main method.");
    }
    // replace name of class containing Main method with generated name
    code = code.replace(mainClassName, generatedClassName);
    JavaFileObject file = new JavaSourceFromString(generatedClassName, code.toString());
    Iterable<? extends JavaFileObject> compilationUnits = Arrays.asList(file);
    ByteArrayOutputStream baosOut = new ByteArrayOutputStream();
    ByteArrayOutputStream baosErr = new ByteArrayOutputStream();
    // Creating new stream to get the output data
    PrintStream newOut = new PrintStream(baosOut);
    PrintStream newErr = new PrintStream(baosErr);
    // Save the old System.out!
    PrintStream oldOut = System.out;
    PrintStream oldErr = System.err;
    // Tell Java to use your special stream
    System.setOut(newOut);
    System.setErr(newErr);
    CompilationTask task = compiler.getTask(null, null, diagnostics, null, null, compilationUnits);
    // executing the compilation process
    boolean success = task.call();
    // if success is false will get error
    if (!success) {
        for (Diagnostic diagnostic : diagnostics.getDiagnostics()) {
            if (diagnostic.getLineNumber() == -1) {
                continue;
            }
            System.err.println("line " + diagnostic.getLineNumber() + " : " + diagnostic.getMessage(null));
        }
        System.out.flush();
        System.err.flush();
        System.setOut(oldOut);
        System.setErr(oldErr);
        logger.error("Exception in Interpreter while compilation", baosErr.toString());
        throw new Exception(baosErr.toString());
    } else {
        try {
            // creating new class loader
            URLClassLoader classLoader = URLClassLoader.newInstance(new URL[] { new File("").toURI().toURL() });
            // execute the Main method
            Class.forName(generatedClassName, true, classLoader).getDeclaredMethod("main", new Class[] { String[].class }).invoke(null, new Object[] { null });
            System.out.flush();
            System.err.flush();
            // set the stream to old stream
            System.setOut(oldOut);
            System.setErr(oldErr);
            return baosOut.toString();
        } catch (ClassNotFoundException | NoSuchMethodException | IllegalAccessException | InvocationTargetException e) {
            logger.error("Exception in Interpreter while execution", e);
            System.err.println(e);
            e.printStackTrace(newErr);
            throw new Exception(baosErr.toString(), e);
        } finally {
            System.out.flush();
            System.err.flush();
            System.setOut(oldOut);
            System.setErr(oldErr);
        }
    }
}