Example usage for org.eclipse.jdt.core IJavaProject exists

Introduction

In this page you can find the example usage for org.eclipse.jdt.core IJavaProject exists.

Prototype

boolean exists();

Source Link

Document

Returns whether this Java element exists in the model.

Usage

From source file:org.eclipse.e4.tools.ui.designer.session.JavaHelper.java

License:Open Source License

/**
 * This will return the set of output folders name for the given project.
 * <p>// w w  w . j av a2 s. c  om
 * For example, if a project has a source folder "src" with its output
 * folder set as "bin" and a source folder "src-gen" with its output folder
 * set as "bin-gen", this will return a LinkedHashSet containing both "bin"
 * and "bin-gen".
 * </p>
 * 
 * @param project
 *            The project we seek the output folders of.
 * @return The set of output folders name for the given (java) project.
 */
public static List<String> getStringOutputFolders(IJavaProject project) throws CoreException {
    List<String> folders = new UniqueEList<String>();
    if (project.exists() == false) {
        return folders;
    }
    List<IFolder> innerFolders = getOutputFolders(project);
    for (IFolder folder : innerFolders) {
        folders.add(folder.getFullPath().removeFirstSegments(1).toString());
    }
    folders.add(project.getOutputLocation().removeFirstSegments(1).toString());
    return folders;
}

From source file:org.eclipse.e4.tools.ui.designer.session.JavaHelper.java

License:Open Source License

/**
 * Get source folders.<br>//  w w  w  . j  a va  2 s  .co  m
 * 
 * @param project
 * @return a List of IFolders
 */
public static List<IFolder> getSourceFolders(IJavaProject project) throws CoreException {
    List<IFolder> folders = new UniqueEList<IFolder>();
    if (project == null || project.exists() == false) {
        return folders;
    }
    // Lookup in source folders
    for (IClasspathEntry entry : project.getResolvedClasspath(true)) {
        if (entry.getEntryKind() == IClasspathEntry.CPE_SOURCE) {
            IFolder innerFolder = findFolder(entry.getPath());
            if (innerFolder != null) {
                folders.add(innerFolder);
            }
        }
    }
    return folders;
}

From source file:org.eclipse.e4.tools.ui.designer.utils.ClassLoaderHelper.java

License:Open Source License

public static URL getResourceAsURL(IProject project, String name) {
    if (name.startsWith(PLATFORM_PLUGIN)) {
        name = name.substring(PLATFORM_PLUGIN.length()).trim();
    }//from  w  w w . j  a  v  a 2s. com
    if (name == null || name.length() == 0) {
        return null;
    }
    if (name.charAt(0) != '/') {
        int index = name.indexOf('/');
        if (index != -1) {
            String projectName = name.substring(0, index);
            IProject rootProject = ResourcesPlugin.getWorkspace().getRoot().getProject(projectName);
            if (rootProject != null && rootProject.exists()) {
                project = rootProject;
                name = name.substring(index + 1);
            }
        }
    }
    if (project != null) {
        IJavaProject javaProject = JavaCore.create(project);
        if (javaProject != null && javaProject.exists() && javaProject.isOpen()) {
            return getResourceAsURL(javaProject, name);
        }
    }
    return null;
}

From source file:org.eclipse.e4.tools.ui.designer.utils.ClassLoaderHelper.java

License:Open Source License

public static byte[] getClassContent(IJavaProject javaProject, String name) {
    if (javaProject == null || !javaProject.exists())
        return null;
    if (name.startsWith(PLATFORM_PLUGIN)) {
        name = name.substring(PLATFORM_PLUGIN.length()).trim();
    }//from   w  w w.j  a  v  a 2s .  c o  m
    if (name == null || name.length() == 0) {
        return null;
    }
    if (name.charAt(0) != '/') {
        int index = name.indexOf('/');
        if (index != -1) {
            String projectName = name.substring(0, index);
            IProject rootProject = ResourcesPlugin.getWorkspace().getRoot().getProject(projectName);
            if (rootProject != null && rootProject.exists()) {
                javaProject = JavaCore.create(rootProject);
                name = name.substring(index + 1);
            }
        }
    }
    if (javaProject != null && javaProject.exists() && javaProject.isOpen()) {
        return doGetClassContent(javaProject, name);
    }
    return null;
}

From source file:org.eclipse.e4.tools.ui.designer.utils.ClassLoaderHelper.java

License:Open Source License

public static byte[] doGetClassContent(IJavaProject javaProject, String className) {
    if (javaProject == null || !javaProject.exists())
        return null;

    String resourceName = className.replace('.', '/') + ".class";
    try {//from  www  . j  a va 2  s . c o m
        IPath outPath = javaProject.getProject().getLocation().removeLastSegments(1)
                .append(javaProject.getOutputLocation());
        outPath = outPath.addTrailingSeparator();
        {
            URL url = toURL(outPath.append(resourceName));
            if (url != null) {
                InputStream inputStream = url.openStream();
                byte[] content = new byte[inputStream.available()];
                inputStream.read(content);
                return content;
            }
            for (IProject project : javaProject.getProject().getReferencedProjects()) {
                if (!project.isOpen()) {
                    continue;
                }
                IJavaProject javaReferencedProject = JavaCore.create(project);
                if (javaReferencedProject.exists()) {
                    byte[] content = getClassContent(javaReferencedProject, className);
                    if (content != null) {
                        return content;
                    }
                }
            }
        }
        IType type = javaProject.findType(className);
        if (type != null && type.exists()) {
            if (type.isBinary()) {
                return type.getClassFile().getBytes();
            } else {
                IJavaProject typeProject = type.getJavaProject();
                if (!javaProject.equals(typeProject)) {
                    return getClassContent(typeProject, className);
                }
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

From source file:org.eclipse.e4.xwt.tools.ui.designer.editor.XWTDesigner.java

License:Open Source License

protected IJavaProject getJavaProject() {
    IFile file = (IFile) getEditorInput().getAdapter(IFile.class);
    IJavaProject javaProject = JavaCore.create(file.getProject());
    if (!javaProject.exists()) {
        return null;
    }//from  w w  w .  ja va2  s .c  om
    return javaProject;
}

From source file:org.eclipse.e4.xwt.tools.ui.designer.loader.XWTVisualLoader.java

License:Open Source License

public XWTVisualLoader(IFile file) {
    if (file != null && file.exists()) {
        IJavaProject project = JavaCore.create(file.getProject());
        if (project != null && project.exists()) {
            ProjectContext context = ProjectContext.getContext(project);
            setLoadingContext(context);/*from ww w. ja  va2 s.  c o m*/
        }
        this.file = file;
    }
}

From source file:org.eclipse.e4.xwt.ui.editor.render.XWTRender.java

License:Open Source License

public boolean updateView(String code, IFile file) {
    if (shell != null) {
        shell.dispose();/*ww w  .  ja  va 2 s  .  c  om*/
    }
    Control control = Display.getCurrent().getFocusControl();
    try {
        IJavaProject javaProject = JavaCore.create(file.getProject());
        if (!javaProject.exists()) {
            return false;
        }

        if (projectContext != null) {
            projectContext.removePropertyChangeListener(changeListener);
        }

        projectContext = ProjectContext.getContext(javaProject);
        XWT.setLoadingContext(projectContext);
        Object rootElement;
        try {
            ByteArrayInputStream inputStream = new ByteArrayInputStream(code.getBytes());
            rootElement = XWT.loadWithOptions(inputStream, file.getLocationURI().toURL(), options);
        } catch (Exception e) {
            return false;
        }

        if (rootElement != null) {
            Rectangle rectangle = new Rectangle(0, 0, 0, 0);
            for (Monitor monitor : Display.getDefault().getMonitors()) {
                Rectangle bounds = monitor.getBounds();
                rectangle = rectangle.union(bounds);
            }

            shell = XWT.findShell(rootElement);
            if (shell == null) {
                throw new XWTException("Root element is a control.");
            }
            shell.setFocus();
            //            shell.pack();
            shell.setLocation(rectangle.x + rectangle.width + 200, rectangle.y + rectangle.height + 200);
            shell.open();

            Object hostClr = XWT.getCLR(rootElement);
            if (hostClr != null) {
                hostClassName = hostClr.getClass().getName();
            }

            final List<Browser> browsers = new ArrayList<Browser>();
            findBrowser(rootElement, browsers);
            if (!browsers.isEmpty()) {
                /* Fixed the bug of browser: 1. Captured the image from browser after document loading finished. 2. Closed the parent shell when all documents loading finished. */
                time = 0;
                final int total = browsers.size();
                ProgressListener listener = new ProgressListener() {
                    public void changed(ProgressEvent event) {
                        if (canvasManager == null || shell == null || shell.isDisposed()) {
                            return;
                        }
                        Image image = ImageCapture.getImageCapture().captureImage(shell);
                        canvasManager.setImage(image);
                    }

                    public void completed(ProgressEvent event) {
                        if (canvasManager == null || shell == null || shell.isDisposed()) {
                            return;
                        }
                        Image image = ImageCapture.getImageCapture().captureImage(shell);
                        canvasManager.setImage(image);
                        time++;
                        if (time == total) {
                            shell.close();
                        }
                    }
                };
                for (Browser browser : browsers) {
                    browser.addProgressListener(listener);
                }
            } else if (shell != null && !shell.isDisposed()) {
                Image image = ImageCapture.getImageCapture().defaultCapture(shell);
                canvasManager.setImage(image);
                shell.close();
            }

            projectContext.addPropertyChangeListener(changeListener);
        }
    } finally {
        if (control != null) {
            control.setFocus();
        }
    }
    return true;
}

From source file:org.eclipse.e4.xwt.ui.editor.XWTEditor.java

License:Open Source License

void handlePreview() {
    IFile file = (IFile) getEditorInput().getAdapter(IFile.class);
    IJavaProject javaProject = JavaCore.create(file.getProject());
    if (!javaProject.exists()) {
        return;// w  ww  .ja  va  2  s . c  o  m
    }
    try {
        XWT.setLoadingContext(ProjectContext.getContext(javaProject));
        DisplayUtil.open(file);
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:org.eclipse.e4.xwt.ui.editor.XWTEditor.java

License:Open Source License

protected IJavaProject getJavaProject() {
    IFile file = (IFile) getEditorInput().getAdapter(IFile.class);

    IJavaProject javaProject = JavaCore.create(file.getProject());
    if (!javaProject.exists()) {
        return null;
    }/*w ww. j a  v  a2s .  c o m*/
    return javaProject;
}