Example usage for org.eclipse.jdt.core ICompilationUnit getWorkingCopy

List of usage examples for org.eclipse.jdt.core ICompilationUnit getWorkingCopy

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Introduction

In this page you can find the example usage for org.eclipse.jdt.core ICompilationUnit getWorkingCopy.

Prototype

ICompilationUnit getWorkingCopy(IProgressMonitor monitor) throws JavaModelException;

Source Link

Document

Returns a new working copy of this compilation unit if it is a primary compilation unit, or this compilation unit if it is already a non-primary working copy.

Usage

From source file:com.idega.eclipse.ejbwizards.IBOEntityCreator.java

License:Open Source License

protected void generateCode() throws JavaModelException {
    IProgressMonitor monitor = new NullProgressMonitor();
    monitor.beginTask("Begin creation", IProgressMonitor.UNKNOWN); //$NON-NLS-1$

    IResource idoEntityResource = getType().getResource();
    IPackageFragment pack = getType().getPackageFragment();
    ICompilationUnit unit = getType().getCompilationUnit();

    String typeName = idoEntityResource.getName().substring(0, idoEntityResource.getName().lastIndexOf("Bean"));
    String[] interfaces = getType().getSuperInterfaceTypeSignatures();

    ICompilationUnit interfaceUnit = pack.createCompilationUnit(typeName + ".java", "", true, //$NON-NLS-1$//$NON-NLS-2$
            new SubProgressMonitor(monitor, 2));
    ICompilationUnit interfaceHomeUnit = pack.createCompilationUnit(typeName + "Home.java", "", true, //$NON-NLS-1$//$NON-NLS-2$
            new SubProgressMonitor(monitor, 2));
    ICompilationUnit homeImplUnit = pack.createCompilationUnit(typeName + "HomeImpl.java", "", true, //$NON-NLS-1$//$NON-NLS-2$
            new SubProgressMonitor(monitor, 2));

    try {/*  w  ww.  j ava  2  s  .  c o  m*/
        createInterface(monitor, interfaceUnit.getWorkingCopy(monitor), pack.getElementName(), typeName,
                interfaces);
        createHomeInterface(monitor, interfaceHomeUnit.getWorkingCopy(monitor), pack.getElementName(),
                typeName);
        createHomeImplementation(monitor, homeImplUnit.getWorkingCopy(monitor), pack.getElementName(),
                typeName);
        addInterfaceToBean(monitor, unit.getWorkingCopy(monitor), typeName);
    } catch (MalformedTreeException e) {
        e.printStackTrace();
    } catch (BadLocationException e) {
        e.printStackTrace();
    }

    monitor.done();
}

From source file:com.idega.eclipse.ejbwizards.IDOEntityCreator.java

License:Open Source License

protected void generateCode() throws JavaModelException {
    IProgressMonitor monitor = new NullProgressMonitor();
    monitor.beginTask("Begin creation", IProgressMonitor.UNKNOWN); //$NON-NLS-1$

    IResource idoEntityResource = getType().getResource();
    IPackageFragment pack = getType().getPackageFragment();
    ICompilationUnit unit = getType().getCompilationUnit();

    String typeName = idoEntityResource.getName().substring(0,
            idoEntityResource.getName().lastIndexOf("BMPBean"));
    String[] interfaces = getType().getSuperInterfaceTypeSignatures();

    ICompilationUnit interfaceUnit = pack.createCompilationUnit(typeName + ".java", "", true, //$NON-NLS-1$//$NON-NLS-2$
            new SubProgressMonitor(monitor, 2));
    ICompilationUnit interfaceHomeUnit = pack.createCompilationUnit(typeName + "Home.java", "", true, //$NON-NLS-1$//$NON-NLS-2$
            new SubProgressMonitor(monitor, 2));
    ICompilationUnit homeImplUnit = pack.createCompilationUnit(typeName + "HomeImpl.java", "", true, //$NON-NLS-1$//$NON-NLS-2$
            new SubProgressMonitor(monitor, 2));

    try {/*from   www .j ava 2s.  co m*/
        createInterface(monitor, interfaceUnit.getWorkingCopy(monitor), pack.getElementName(), typeName,
                interfaces);
        createHomeInterface(monitor, interfaceHomeUnit.getWorkingCopy(monitor), pack.getElementName(),
                typeName);
        createHomeImplementation(monitor, homeImplUnit.getWorkingCopy(monitor), pack.getElementName(),
                typeName);
        addInterfaceToBean(monitor, unit.getWorkingCopy(monitor), typeName);
    } catch (MalformedTreeException e) {
        e.printStackTrace();
    } catch (BadLocationException e) {
        e.printStackTrace();
    }

    monitor.done();
}

From source file:com.iw.plugins.spindle.ui.wizards.factories.ClassFactory.java

License:Mozilla Public License

private void createType(IProgressMonitor monitor) throws CoreException, InterruptedException {
    if (monitor == null) {
        monitor = new NullProgressMonitor();
    }//  w  w  w  .j  a  v a 2 s  .c  om

    monitor.beginTask(UIPlugin.getString("ClassFactory.operationdesc", fTypeName), 10);

    ICompilationUnit createdWorkingCopy = null;
    try {
        IPackageFragmentRoot root = fPackageFragmentyRoot;
        IPackageFragment pack = fPackageFragment;
        if (pack == null) {
            pack = root.getPackageFragment(""); //$NON-NLS-1$
        }

        if (!pack.exists()) {
            String packName = pack.getElementName();
            pack = root.createPackageFragment(packName, true, null);
        }

        monitor.worked(1);

        String clName = fTypeName;

        boolean isInnerClass = false;

        IType createdType;
        ImportsManager imports;
        int indent = 0;

        String lineDelimiter = System.getProperty("line.separator", "\n");

        ICompilationUnit parentCU = pack.createCompilationUnit(clName + ".java", "", false,
                new SubProgressMonitor(monitor, 2));
        // create a working copy with a new owner
        createdWorkingCopy = parentCU.getWorkingCopy(null);

        // use the compiler template a first time to read the imports
        String content = CodeGeneration.getCompilationUnitContent(createdWorkingCopy, null, "", lineDelimiter); //$NON-NLS-1$
        if (content != null)
            createdWorkingCopy.getBuffer().setContents(content);

        imports = new ImportsManager(createdWorkingCopy);
        // add an import that will be removed again. Having this import solves
        // 14661
        imports.addImport(JavaModelUtil.concatenateName(pack.getElementName(), fTypeName));

        String typeContent = constructTypeStub(imports, lineDelimiter);

        String cuContent = constructCUContent(parentCU, typeContent, lineDelimiter);

        createdWorkingCopy.getBuffer().setContents(cuContent);

        createdType = createdWorkingCopy.getType(clName);

        if (monitor.isCanceled()) {
            throw new InterruptedException();
        }

        // add imports for superclass/interfaces, so types can be resolved
        // correctly

        ICompilationUnit cu = createdType.getCompilationUnit();
        boolean needsSave = !cu.isWorkingCopy();

        imports.create(needsSave, new SubProgressMonitor(monitor, 1));

        JavaModelUtil.reconcile(cu);

        if (monitor.isCanceled()) {
            throw new InterruptedException();
        }

        // set up again
        imports = new ImportsManager(imports.getCompilationUnit(), imports.getAddedTypes());

        createTypeMembers(createdType, imports, new SubProgressMonitor(monitor, 1));

        // add imports
        imports.create(needsSave, new SubProgressMonitor(monitor, 1));

        removeUnusedImports(cu, imports.getAddedTypes(), needsSave);

        JavaModelUtil.reconcile(cu);

        ISourceRange range = createdType.getSourceRange();

        IBuffer buf = cu.getBuffer();
        String originalContent = buf.getText(range.getOffset(), range.getLength());

        String formattedContent = CodeFormatterUtil.format(CodeFormatter.K_CLASS_BODY_DECLARATIONS,
                originalContent, indent, null, lineDelimiter, pack.getJavaProject());
        buf.replace(range.getOffset(), range.getLength(), formattedContent);

        //      String fileComment = getFileComment(cu);
        //      if (fileComment != null && fileComment.length() > 0)
        //      {
        //        buf.replace(0, 0, fileComment + lineDelimiter);
        //      }
        cu.commitWorkingCopy(false, new SubProgressMonitor(monitor, 1));
        if (createdWorkingCopy != null) {
            fCreatedType = (IType) createdType.getPrimaryElement();
        } else {
            fCreatedType = createdType;
        }
    } finally {
        if (createdWorkingCopy != null) {
            createdWorkingCopy.discardWorkingCopy();
        }
        monitor.done();
    }

}

From source file:com.motorola.studio.android.model.ActivityBasedOnTemplate.java

License:Apache License

/**
 * Creates the Java Class file based on text template file
 * //www .j  a  v  a2  s.c o  m
 * @param sourcePath The path to the file
 * @param monitor The progress monitor
 * @throws JavaModelException
 * @throws AndroidException
 */
@SuppressWarnings({ "rawtypes", "unchecked" })
protected void createJavaClassFileFromTemplate(String[] sourcePath, IProgressMonitor monitor)
        throws JavaModelException, AndroidException {

    //only one class supported
    for (int i = 0; i < sourcePath.length; i++) {
        String loadedTemplate = EclipseUtils.readEmbeddedResource(CodeUtilsActivator.getDefault().getBundle(),
                sourcePath[i]);
        String packageName = getPackageFragment().getElementName();

        loadedTemplate = loadedTemplate.replaceAll(CLASS_REPLACE_TAG, getName());
        loadedTemplate = loadedTemplate.replaceAll(PACKAGE_REPLACE_TAG, packageName);
        loadedTemplate = loadedTemplate.replaceAll("#FILL_PARENT_LPARAM#",
                getApiVersion() > 7 ? "MATCH_PARENT" : "FILL_PARENT");
        try {
            loadedTemplate = loadedTemplate.replaceAll("#ManifestPackageName#", //$NON-NLS-1$
                    getManifestPackageName(getProject()));
        } catch (CoreException e) {
            throw new AndroidException("Failed to get manifest file to add import from R", e); //$NON-NLS-1$
        }

        if ((sample != null) && sample.equals(ActivityBasedOnTemplate.DATABASE_LIST_SAMPLE_LOCALIZED)) {
            collector = getDatabaseSampleActivityParametersWizardCollector();
            if (collector != null) {

                collector.setDatabaseName(this.collectorDatabaseName);
                collector.setTable(this.collectorTable);
                collector.setSelectedColumns(collectorColumnList);
                collector.setSqlOpenHelperClassName(getSqlOpenHelperClassName());
                collector.setSqlOpenHelperPackageName(getSqlOpenHelperPackageName());
                collector.setCreateOpenHelper(isCreateOpenHelper());

                //using Database list sample - it is an special case because it get data from an specific .db table                             
                loadedTemplate = loadedTemplate.replaceAll("#dbName#", collector.getDatabaseName()); //$NON-NLS-1$
                loadedTemplate = loadedTemplate.replaceAll("#tableName#", collector.getTableName()); //$NON-NLS-1$
                loadedTemplate = loadedTemplate.replaceAll("#tableNameUpperCase#", collector.getTableName() //$NON-NLS-1$
                        .toUpperCase());
                loadedTemplate = loadedTemplate.replaceAll("#tableNameLowerCase#", collector.getTableName() //$NON-NLS-1$
                        .toLowerCase());
                loadedTemplate = loadedTemplate.replaceAll("#columsNames#", collector.getColumnsNames()); //$NON-NLS-1$
                loadedTemplate = loadedTemplate.replaceAll("#constColumnsNames#", //$NON-NLS-1$
                        collector.getConstColumnsNames());
                loadedTemplate = loadedTemplate.replaceAll("#columnGetValues#", collector.getCursorValues()); //$NON-NLS-1$
                loadedTemplate = loadedTemplate.replaceAll("#columnAddRows#", collector.getAddColumnsToRow()); //$NON-NLS-1$
                loadedTemplate = loadedTemplate.replaceAll("#sqlOpenHelperName#", //$NON-NLS-1$
                        getSqlOpenHelperClassName());
                loadedTemplate = loadedTemplate.replaceAll("#imports#", collector.getImports()); //$NON-NLS-1$
                loadedTemplate = loadedTemplate.replaceAll("#getReadableDatabase#", //$NON-NLS-1$
                        collector.getReadableDatabase());

                if (isCreateOpenHelper()) {
                    collector.createSqlOpenHelper(getProject(), monitor);
                }
            }
        }

        //replace the main activity of the project, first used by action_bar template 
        try {
            //assume mainActivity be the activity we are creating (if the project has no main activity). Try to find the real main activity if the isMainActivity flag is false.
            String mainActivityName = getName();

            if (!isMainActivity) {
                ActivityNode mainActivityNode = AndroidProjectManifestFile.getFromProject(getProject())
                        .getMainActivity();
                if (mainActivityNode != null) {
                    mainActivityName = mainActivityNode.getNodeProperties().get("android:name");
                    //remove a possible '.' that activities may contain before the name
                    if ((mainActivityName.length() > 0) && (mainActivityName.charAt(0) == '.')) {
                        mainActivityName = mainActivityName.substring(1, mainActivityName.length());
                    }
                }
            }

            loadedTemplate = loadedTemplate.replaceAll(MAIN_ACTIVITY_REPLACE_TAG, mainActivityName);
        } catch (CoreException e) {
            StudioLogger.error("Could not get Android Manifest File from project.");
        }

        loadedTemplate = replaceResourceNames(loadedTemplate);

        IPackageFragment targetPackage = getPackageFragmentRoot()
                .getPackageFragment(getPackageFragment().getElementName());

        if (!targetPackage.exists()) {
            getPackageFragmentRoot().createPackageFragment(targetPackage.getElementName(), true, monitor);
        }

        /*
         * Create activity class. Only the first src resource will become the Activity subclass.
         * The other classes will be copied AS IS
         */

        String resourceName = i == 0 ? getName() + JAVA_EXTENSION
                : Path.fromPortableString(sourcePath[i]).lastSegment();
        ICompilationUnit cu = targetPackage.createCompilationUnit(resourceName, loadedTemplate, true, monitor);

        //indent activity class
        try {
            ICompilationUnit workingCopy = cu.getWorkingCopy(monitor);
            IDocument document = new DocumentAdapter(workingCopy.getBuffer());

            //get project indentation configuration
            Map mapOptions = JavaCore.create(getProject()).getOptions(true);

            //changes to be applyed to the document
            TextEdit textEdit = CodeFormatterUtil.format2(
                    CodeFormatter.K_COMPILATION_UNIT | CodeFormatter.F_INCLUDE_COMMENTS, document.get(), 0,
                    System.getProperty("line.separator"), mapOptions); //$NON-NLS-1$

            workingCopy.applyTextEdit(textEdit, monitor);
            workingCopy.reconcile(ICompilationUnit.NO_AST, false, null, null);
            workingCopy.commitWorkingCopy(true, monitor);
            workingCopy.discardWorkingCopy();
        } catch (Exception ex) {
            //do nothing - indentation fails
        }
    }

}

From source file:de.akra.idocit.java.services.JavaInterfaceParserTest.java

License:Apache License

/**
 * Tests the conversion of existing Javadoc to {@link Documentation}s. The
 * documentations must also be assigned to the right {@link SignatureElements}, e.g.
 * "@param ..." to a method's input {@link Parameter} etc.
 * //from ww w .  j a v a  2s. co  m
 * @throws Exception
 */
@Test
public void testJavadocConversion() throws Exception {
    String testFileName = AllIDocItJavaTests.SOURCE_DIR + "JavaInterfaceParser.java";
    IFile iFile = TestUtils.makeIFileFromFileName(testFileName);

    ICompilationUnit iCompilationUnit = JavaCore.createCompilationUnitFrom(iFile);
    Assert.assertNotNull(iCompilationUnit);

    parser.setSource(iCompilationUnit.getWorkingCopy(null));
    CompilationUnit cu = (CompilationUnit) parser.createAST(null);

    JavaInterfaceParser iParser = new JavaInterfaceParser(cu, testFileName, delimiters);
    InterfaceArtifact actualArtifact = iParser.parse(JavadocParser.INSTANCE);

    JavaInterfaceArtifact expectedArtifact = createExpectedArtifact(testFileName, cu);
    Assert.assertEquals(TestUtils.toStringWithoutId(expectedArtifact),
            TestUtils.toStringWithoutId(actualArtifact));
}

From source file:de.akra.idocit.java.services.JavaInterfaceParserTest.java

License:Apache License

/**
 * Parses the file <code>fileName</code>, prints the structure and returns the
 * structure as string./*from  www .j  a  va2 s.  c o  m*/
 * 
 * @param fileName
 * @return a simple string representation of the class structure.
 * @throws FileNotFoundException
 * @throws IOException
 * @throws ParserConfigurationException
 * @throws SAXException
 * @throws CoreException
 * @throws ParsingException 
 */
private String testParseWith(String fileName) throws FileNotFoundException, IOException, SAXException,
        ParserConfigurationException, CoreException, ParsingException {
    IFile iFile = TestUtils.makeIFileFromFileName(fileName);

    ICompilationUnit iCompilationUnit = JavaCore.createCompilationUnitFrom(iFile);
    Assert.assertNotNull(iCompilationUnit);

    parser.setSource(iCompilationUnit.getWorkingCopy(null));
    CompilationUnit cu = (CompilationUnit) parser.createAST(null);

    JavaInterfaceParser iParser = new JavaInterfaceParser(cu, fileName, delimiters);
    InterfaceArtifact artifact = iParser.parse(JavadocParser.INSTANCE);

    StringBuffer hierarchy = new StringBuffer();
    TestUtils.buildHierarchy(hierarchy, artifact, 0);
    logger.log(Level.FINER, fileName);
    logger.log(Level.FINER, hierarchy.toString());
    return hierarchy.toString();
}

From source file:de.akra.idocit.java.services.JavaParser.java

License:Apache License

/**
 * {@inheritDoc }/*from w  w  w .j a va 2  s. co  m*/
 * 
 * @source_format Java and Javadoc according to their current specifications<br/>
 *                - <a href="http://docs.oracle.com/javase/specs/">Java</a> <br/>
 *                - <a href=
 *                "http://www.oracle.com/technetwork/java/javase/documentation/index-137868.html"
 *                >Javadoc</a>
 * 
 * @instrument To parse the Java and Javadoc code, the parser provided by the <a
 *             href="http://www.eclipse.org/jdt/">Eclipse Java Development Tools</a>
 *             is used.
 * 
 * @param iFile
 *            [SOURCE] (ERROR DOC)
 * 
 * @return [OBJECT]
 * 
 * @throws Exception
 * @see de.akra.idocit.core.extensions.Parser#parse(IFile)
 * @thematicgrid Parsing Operations
 */
@Override
public InterfaceArtifact parse(IFile iFile) throws Exception {
    logger.log(Level.INFO, "parse file: " + iFile.getFullPath().toFile().getAbsolutePath());

    final ICompilationUnit iCompilationUnit = JavaCore.createCompilationUnitFrom(iFile);

    if (iCompilationUnit == null) {
        logger.log(Level.SEVERE,
                "Can not create ICompilationUnit from " + iFile.getLocation().toFile().getAbsolutePath());
        return InterfaceArtifact.NOT_SUPPORTED_ARTIFACT;
    }

    final ASTParser parser = ASTParser.newParser(AST.JLS3);
    parser.setKind(ASTParser.K_COMPILATION_UNIT);
    parser.setSource(iCompilationUnit.getWorkingCopy(null));
    parser.setResolveBindings(true); // bindings are needed for object reflection
    parser.setBindingsRecovery(true);
    final CompilationUnit compilationUnit = (CompilationUnit) parser
            .createAST(Job.getJobManager().createProgressGroup());
    compilationUnit.recordModifications();

    de.akra.idocit.java.services.JavaInterfaceParser jInterfaceParser = new JavaInterfaceParser(compilationUnit,
            compilationUnit.getJavaElement().getElementName(), delimiters);

    final InterfaceArtifact artifact = jInterfaceParser.parse(getJavadocParser());
    return artifact;
}

From source file:edu.illinois.compositerefactorings.refactorings.NewClassCreator.java

License:Open Source License

public List<ResourceChange> createTopLevelParameterObject() throws CoreException {
    List<ResourceChange> changes = new ArrayList<ResourceChange>();
    ICompilationUnit unit = getPackageFragment()
            .getCompilationUnit(getClassName() + JavaModelUtil.DEFAULT_CU_SUFFIX);
    Assert.isTrue(!unit.exists());//from  ww w  . j a  va 2s.c  o m
    IJavaProject javaProject = unit.getJavaProject();
    ICompilationUnit workingCopy = unit.getWorkingCopy(null);

    try {
        // create stub with comments and dummy type
        String lineDelimiter = StubUtility.getLineDelimiterUsed(javaProject);
        String fileComment = getFileComment(workingCopy, lineDelimiter);
        String typeComment = getTypeComment(workingCopy, lineDelimiter);
        String content = CodeGeneration.getCompilationUnitContent(workingCopy, fileComment, typeComment,
                "class " + getClassName() + "{}", lineDelimiter); //$NON-NLS-1$ //$NON-NLS-2$
        workingCopy.getBuffer().setContents(content);

        CompilationUnitRewrite cuRewrite = new CompilationUnitRewrite(workingCopy);
        ASTRewrite rewriter = cuRewrite.getASTRewrite();
        CompilationUnit root = cuRewrite.getRoot();
        AST ast = cuRewrite.getAST();
        ImportRewrite importRewrite = cuRewrite.getImportRewrite();

        if (fSuperclassType != null) {
            importRewrite.addImport(fSuperclassType.resolveBinding());
        }

        // retrieve&replace dummy type with real class
        ListRewrite types = rewriter.getListRewrite(root, CompilationUnit.TYPES_PROPERTY);
        ASTNode dummyType = (ASTNode) types.getOriginalList().get(0);
        TypeDeclaration classDeclaration = createClassDeclaration(getClassName(), cuRewrite);
        classDeclaration.modifiers().add(ast.newModifier(ModifierKeyword.PUBLIC_KEYWORD));
        Javadoc javadoc = (Javadoc) dummyType.getStructuralProperty(TypeDeclaration.JAVADOC_PROPERTY);
        rewriter.set(classDeclaration, TypeDeclaration.JAVADOC_PROPERTY, javadoc, null);
        types.replace(dummyType, classDeclaration, null);

        // Apply rewrites and discard workingcopy
        // Using CompilationUnitRewrite.createChange() leads to strange
        // results
        String charset = ResourceUtil.getFile(unit).getCharset(false);
        Document document = new Document(content);
        try {
            rewriter.rewriteAST().apply(document);
            TextEdit rewriteImports = importRewrite.rewriteImports(null);
            rewriteImports.apply(document);
        } catch (BadLocationException e) {
            throw new CoreException(new Status(IStatus.ERROR, JavaPlugin.getPluginId(),
                    RefactoringCoreMessages.IntroduceParameterObjectRefactoring_parameter_object_creation_error,
                    e));
        }
        String docContent = document.get();
        CreateCompilationUnitChange compilationUnitChange = new CreateCompilationUnitChange(unit, docContent,
                charset);
        changes.add(compilationUnitChange);
    } finally {
        workingCopy.discardWorkingCopy();
    }
    return changes;
}

From source file:org.assertj.eclipse.assertions.generator.internal.text.SourceFormatter.java

License:Apache License

private ICompilationUnit createWorkingCopy(ICompilationUnit compilationUnit, IProgressMonitor pm)
        throws JavaModelException {
    if (!compilationUnit.isOpen()) {
        compilationUnit.open(pm);/*from ww w  . j a  v a 2 s  . c o  m*/
    }
    return compilationUnit.getWorkingCopy(pm);
}

From source file:org.dyno.visual.swing.parser.DefaultSourceParser.java

License:Open Source License

public ICompilationUnit generate(WidgetAdapter root, IProgressMonitor monitor) {
    try {/*from ww w . java2  s. c  o m*/
        IParser parser = (IParser) root.getAdapter(IParser.class);
        if (parser == null)
            return null;
        ICompilationUnit unit = root.getCompilationUnit();
        ICompilationUnit copy = unit.getWorkingCopy(monitor);
        IType type = getUnitMainType(copy);
        if (type != null) {
            ImportRewrite imports = createImportRewrite(copy);
            boolean success = parser.generateCode(type, imports, monitor);
            if (!success)
                return null;
            removeRemovedComponent(root, monitor, unit, type);
            createPreferredLnf(root, monitor, type, imports);
            if (success) {
                TextEdit edit = imports.rewriteImports(monitor);
                JavaUtil.applyEdit(copy, edit, true, monitor);
            }
            if (copy.isWorkingCopy()) {
                copy.commitWorkingCopy(true, monitor);
                copy.discardWorkingCopy();
            }
            IWorkbenchPartSite site = getEditorSite();
            if (site != null) {
                OrganizeImportsAction action = new OrganizeImportsAction(site);
                action.run(unit);
            }
            type = getUnitMainType(unit);
            rename(type, root);
            if (unit.isWorkingCopy()) {
                unit.commitWorkingCopy(true, monitor);
            }
            return unit;
        } else
            return null;
    } catch (Exception e) {
        ParserPlugin.getLogger().error(e);
        return null;
    }
}