Examples with IFile org.eclipse.core.resources.IFile used on opensource projects

Example 1 with IFile

use of org.eclipse.core.resources.IFile in project che by eclipse.

the class HandleFactory method getJarPkgFragmentRoot.

/**
	 * Returns the package fragment root that corresponds to the given jar path.
	 * See createOpenable(...) for the format of the jar path string.
	 * If not null, uses the given scope as a hint for getting Java project handles.
	 */
private PackageFragmentRoot getJarPkgFragmentRoot(String resourcePathString, int jarSeparatorIndex, String jarPathString, IJavaSearchScope scope) {
    IPath jarPath = new Path(jarPathString);
    Object target = JavaModel.getTarget(jarPath, false);
    if (target instanceof IFile) {
        // internal jar: is it on the classpath of its project?
        //  e.g. org.eclipse.swt.win32/ws/win32/swt.jar
        //        is NOT on the classpath of org.eclipse.swt.win32
        IFile jarFile = (IFile) target;
        JavaProject javaProject = (JavaProject) this.javaModel.getJavaProject(jarFile);
        try {
            IClasspathEntry entry = javaProject.getClasspathEntryFor(jarPath);
            if (entry != null) {
                return (PackageFragmentRoot) javaProject.getPackageFragmentRoot(jarFile);
            }
        } catch (JavaModelException e) {
        // ignore and try to find another project
        }
    }
    // walk projects in the scope and find the first one that has the given jar path in its classpath
    IJavaProject[] projects;
    if (scope != null) {
        if (scope instanceof AbstractJavaSearchScope) {
            PackageFragmentRoot root = (PackageFragmentRoot) ((AbstractJavaSearchScope) scope).packageFragmentRoot(resourcePathString, jarSeparatorIndex, jarPathString);
            if (root != null)
                return root;
        } else {
            IPath[] enclosingProjectsAndJars = scope.enclosingProjectsAndJars();
            int length = enclosingProjectsAndJars.length;
            projects = new IJavaProject[length];
            int index = 0;
            for (int i = 0; i < length; i++) {
                IPath path = enclosingProjectsAndJars[i];
                if (path.segmentCount() == 1) {
                    projects[index++] = this.javaModel.getJavaProject(path.segment(0));
                }
            }
            if (index < length) {
                System.arraycopy(projects, 0, projects = new IJavaProject[index], 0, index);
            }
            PackageFragmentRoot root = getJarPkgFragmentRoot(jarPath, target, projects);
            if (root != null) {
                return root;
            }
        }
    }
    // not found in the scope, walk all projects
    try {
        projects = this.javaModel.getJavaProjects();
    } catch (JavaModelException e) {
        // java model is not accessible
        return null;
    }
    return getJarPkgFragmentRoot(jarPath, target, projects);
}

Example 2 with IFile

use of org.eclipse.core.resources.IFile in project che by eclipse.

the class Util method getJdkLevel.

/**
     * Get the jdk level of this root.
     * The value can be:
     * <ul>
     * <li>major<<16 + minor : see predefined constants on ClassFileConstants </li>
     * <li><code>0</null> if the root is a source package fragment root or if a Java model exception occured</li>
     * </ul>
     * Returns the jdk level
     */
public static long getJdkLevel(Object targetLibrary) {
    try {
        ClassFileReader reader = null;
        if (targetLibrary instanceof IFolder) {
            // only internal classfolders are allowed
            IFile classFile = findFirstClassFile((IFolder) targetLibrary);
            if (classFile != null)
                reader = Util.newClassFileReader(classFile);
        } else {
            // root is a jar file or a zip file
            ZipFile jar = null;
            try {
                IPath path = null;
                if (targetLibrary instanceof IResource) {
                    path = ((IResource) targetLibrary).getFullPath();
                } else if (targetLibrary instanceof File) {
                    File f = (File) targetLibrary;
                    if (!f.isDirectory()) {
                        path = new Path(((File) targetLibrary).getPath());
                    }
                }
                if (path != null) {
                    jar = JavaModelManager.getJavaModelManager().getZipFile(path);
                    for (Enumeration e = jar.entries(); e.hasMoreElements(); ) {
                        ZipEntry member = (ZipEntry) e.nextElement();
                        String entryName = member.getName();
                        if (org.eclipse.jdt.internal.compiler.util.Util.isClassFileName(entryName)) {
                            reader = ClassFileReader.read(jar, entryName);
                            break;
                        }
                    }
                }
            } catch (CoreException e) {
            // ignore
            } finally {
                JavaModelManager.getJavaModelManager().closeZipFile(jar);
            }
        }
        if (reader != null) {
            return reader.getVersion();
        }
    } catch (CoreException e) {
    // ignore
    } catch (ClassFormatException e) {
    // ignore
    } catch (IOException e) {
    // ignore
    }
    return 0;
}

Example 3 with IFile

use of org.eclipse.core.resources.IFile in project che by eclipse.

the class HandleFactory method getJarPkgFragmentRoot.

private PackageFragmentRoot getJarPkgFragmentRoot(IPath jarPath, Object target, IJavaProject[] projects) {
    for (int i = 0, projectCount = projects.length; i < projectCount; i++) {
        try {
            JavaProject javaProject = (JavaProject) projects[i];
            IClasspathEntry classpathEnty = javaProject.getClasspathEntryFor(jarPath);
            if (classpathEnty != null) {
                if (target instanceof IFile) {
                    // internal jar
                    return (PackageFragmentRoot) javaProject.getPackageFragmentRoot((IFile) target);
                } else {
                    // external jar
                    return (PackageFragmentRoot) javaProject.getPackageFragmentRoot0(jarPath);
                }
            }
        } catch (JavaModelException e) {
        // JavaModelException from getResolvedClasspath - a problem occurred while accessing project: nothing we can do, ignore
        }
    }
    return null;
}

Example 4 with IFile

use of org.eclipse.core.resources.IFile in project che by eclipse.

the class RenamePackageProcessor method getRefactoredResource.

//---- IResourceMapper  ----------------------------------
public IResource getRefactoredResource(IResource element) {
    IFolder packageFolder = (IFolder) fPackage.getResource();
    if (packageFolder == null)
        return element;
    IContainer newPackageFolder = (IContainer) getNewPackage().getResource();
    if (packageFolder.equals(element))
        return newPackageFolder;
    IPath packagePath = packageFolder.getProjectRelativePath();
    IPath elementPath = element.getProjectRelativePath();
    if (packagePath.isPrefixOf(elementPath)) {
        if (fRenameSubpackages || (element instanceof IFile && packageFolder.equals(element.getParent()))) {
            IPath pathInPackage = elementPath.removeFirstSegments(packagePath.segmentCount());
            if (element instanceof IFile)
                return newPackageFolder.getFile(pathInPackage);
            else
                return newPackageFolder.getFolder(pathInPackage);
        }
    }
    return element;
}

Example 5 with IFile

use of org.eclipse.core.resources.IFile in project che by eclipse.

the class JavaRenameProcessor method checkFinalConditions.

@Override
public final RefactoringStatus checkFinalConditions(IProgressMonitor pm, CheckConditionsContext context) throws CoreException, OperationCanceledException {
    ResourceChangeChecker checker = (ResourceChangeChecker) context.getChecker(ResourceChangeChecker.class);
    IResourceChangeDescriptionFactory deltaFactory = checker.getDeltaFactory();
    RefactoringStatus result = doCheckFinalConditions(pm, context);
    if (result.hasFatalError())
        return result;
    IFile[] changed = getChangedFiles();
    for (int i = 0; i < changed.length; i++) {
        deltaFactory.change(changed[i]);
    }
    fRenameModifications = computeRenameModifications();
    fRenameModifications.buildDelta(deltaFactory);
    fRenameModifications.buildValidateEdits((ValidateEditChecker) context.getChecker(ValidateEditChecker.class));
    return result;
}