Example usage for org.eclipse.jdt.internal.core PackageFragment getChildren

Introduction

In this page you can find the example usage for org.eclipse.jdt.internal.core PackageFragment getChildren.

Prototype

public IJavaElement[] getChildren() throws JavaModelException 

Source Link

Usage

From source file:hydrograph.ui.propertywindow.widgets.utility.FilterOperationClassUtility.java

License:Apache License

/**
 * Open file editor to view java file./* w  w  w  . ja  v  a2  s  . c om*/
 * 
 * @param fileName
 *            the file name
 * @return true, if successful
 */
@SuppressWarnings("restriction")
public boolean openFileEditor(Text filePath, String pathFile) {
    String fullQualifiedClassName = filePath.getText();
    try {
        logger.debug("Searching " + fullQualifiedClassName + " in project's source folder");
        PackageFragment packageFragment = null;
        String[] packages = StringUtils.split(fullQualifiedClassName, ".");
        String className = fullQualifiedClassName;
        String packageStructure = "";
        IFile javaFile = null;
        if (packages.length > 1) {
            className = packages[packages.length - 1];
            packageStructure = StringUtils.replace(fullQualifiedClassName, "." + className, "");
        }
        IFileEditorInput editorInput = (IFileEditorInput) PlatformUI.getWorkbench().getActiveWorkbenchWindow()
                .getActivePage().getActiveEditor().getEditorInput();
        IProject project = editorInput.getFile().getProject();
        IJavaProject iJavaProject = JavaCore.create(project);
        IPackageFragmentRoot packageFragmentRoot = iJavaProject
                .getPackageFragmentRoot(project.getFolder(Constants.ProjectSupport_SRC));
        if (packageFragmentRoot != null) {
            for (IJavaElement iJavaElement : packageFragmentRoot.getChildren()) {
                if (iJavaElement instanceof PackageFragment
                        && StringUtils.equals(iJavaElement.getElementName(), packageStructure)) {
                    packageFragment = (PackageFragment) iJavaElement;
                    break;
                }
            }
        }
        if (packageFragment != null) {
            for (IJavaElement element : packageFragment.getChildren()) {
                if (element instanceof CompilationUnit && StringUtils.equalsIgnoreCase(element.getElementName(),
                        className + Constants.JAVA_EXTENSION)) {
                    javaFile = (IFile) element.getCorrespondingResource();
                    break;
                }
            }
        }
        if (javaFile != null && javaFile.exists()) {
            IFileStore fileStore = EFS.getLocalFileSystem().getStore(javaFile.getLocationURI());
            IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
            IDE.openEditorOnFileStore(page, fileStore);
            return true;
        }
    } catch (Exception e) {
        logger.error("Fail to open file");
        return false;
    }
    return false;

}

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From source file:org.eclipse.mylyn.java.ui.DoiViewerFilter.java

License:Open Source License

private boolean acceptPackageFragment(PackageFragment fragment) {
    try {//from  www  . ja  v a 2 s .c o m
        if (fragment.getChildren() == null)
            return false;
        if (fragment.getChildren().length == 0)
            return false;
    } catch (JavaModelException e) {
        ContextCorePlugin.fail(e, "Could not determine if package fragment had children", false);
    }
    return true;
}

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