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

Example 41 with IStorage

use of org.eclipse.core.resources.IStorage in project xtext-eclipse by eclipse.

the class WorkspaceEncodingProvider method getEncoding.

@Override
public String getEncoding(URI uri) {
    if (workspace != null) {
        if (uri != null) {
            if (uri.isPlatformResource()) {
                IFile file = workspace.getRoot().getFile(new Path(uri.toPlatformString(true)));
                try {
                    return file.getCharset(true);
                } catch (CoreException e) {
                    LOG.error("Error getting file encoding for " + uri, e);
                }
            } else {
                Iterator<Pair<IStorage, IProject>> storages = storage2UriMapper.getStorages(uri).iterator();
                if (storages.hasNext()) {
                    Pair<IStorage, IProject> next = storages.next();
                    IStorage storage = next.getFirst();
                    if (storage instanceof IEncodedStorage) {
                        try {
                            return ((IEncodedStorage) storage).getCharset();
                        } catch (CoreException e) {
                            LOG.error("Error getting file encoding for " + uri, e);
                        }
                    } else {
                        try {
                            String result = next.getSecond().getDefaultCharset(true);
                            return result;
                        } catch (CoreException e) {
                            LOG.error("Error getting file encoding for " + uri, e);
                        }
                    }
                }
            }
        }
        try {
            return workspace.getRoot().getDefaultCharset();
        } catch (CoreException e) {
            LOG.error("Error getting file encoding for " + uri, e);
        }
    }
    // fallback to runtime encoding provider
    return runtimeEncodingProvider.getEncoding(uri);
}

Example 42 with IStorage

use of org.eclipse.core.resources.IStorage in project xtext-eclipse by eclipse.

the class CompareInputResourceProvider method getResource.

protected IResource getResource(ITypedElement typedElement) {
    if (typedElement == null) {
        return null;
    }
    IResource result = null;
    if (typedElement instanceof IResourceProvider) {
        IResourceProvider resourceProvider = (IResourceProvider) typedElement;
        result = resourceProvider.getResource();
    } else if (typedElement instanceof org.eclipse.team.internal.ui.StorageTypedElement) {
        org.eclipse.team.internal.ui.StorageTypedElement storageTypedElement = (org.eclipse.team.internal.ui.StorageTypedElement) typedElement;
        IStorage bufferedStorage = storageTypedElement.getBufferedStorage();
        result = getExistingFile(bufferedStorage != null ? bufferedStorage.getFullPath() : Path.EMPTY);
    }
    if (result == null) {
        IProject projectFromInput = getProjectFromInput();
        List<String> path = getPath(typedElement);
        for (int i = 0; i < path.size() && result == null; i++) {
            IProject project = getWorkspaceRoot().getProject(path.get(i));
            String subPath = IPath.SEPARATOR + Joiner.on(IPath.SEPARATOR).join(path.subList(i, path.size()));
            if (project.exists()) {
                result = getExistingFile(new Path(subPath));
            } else if (projectFromInput != null) {
                String pathInProject = IPath.SEPARATOR + projectFromInput.getName() + subPath;
                result = getExistingFile(new Path(pathInProject));
            }
        }
    }
    return result;
}

Example 43 with IStorage

use of org.eclipse.core.resources.IStorage in project xtext-eclipse by eclipse.

the class JavaProjectsStateHelper method getJarWithEntry.

protected IPackageFragmentRoot getJarWithEntry(URI uri) {
    Iterable<Pair<IStorage, IProject>> storages = getStorages(uri);
    IPackageFragmentRoot result = null;
    for (Pair<IStorage, IProject> storage2Project : storages) {
        IStorage storage = storage2Project.getFirst();
        if (storage instanceof IJarEntryResource) {
            IPackageFragmentRoot fragmentRoot = ((IJarEntryResource) storage).getPackageFragmentRoot();
            if (fragmentRoot != null) {
                // IPackageFragmentRoot has some unexpected caching - it may return a different project
                // thus we use the one that was used to record the IPackageFragmentRoot
                IProject actualProject = storage2Project.getSecond();
                IJavaProject javaProject = JavaCore.create(actualProject);
                if (!javaProject.exists()) {
                    javaProject = fragmentRoot.getJavaProject();
                }
                if (isAccessibleXtextProject(javaProject.getProject())) {
                    // if both projects are the same - fine
                    if (javaProject.equals(fragmentRoot.getJavaProject()))
                        return fragmentRoot;
                    // otherwise re-obtain the fragment root from the real project
                    if (fragmentRoot.isExternal()) {
                        IPackageFragmentRoot actualRoot = javaProject.getPackageFragmentRoot(fragmentRoot.getPath().toString());
                        if (actualProject.exists()) {
                            return actualRoot;
                        }
                    } else {
                        IPackageFragmentRoot actualRoot = javaProject.getPackageFragmentRoot(fragmentRoot.getResource());
                        if (actualRoot.exists()) {
                            return actualRoot;
                        }
                    }
                    result = fragmentRoot;
                }
                if (result == null)
                    result = fragmentRoot;
            }
        }
    }
    return result;
}

Example 44 with IStorage

use of org.eclipse.core.resources.IStorage in project xtext-eclipse by eclipse.

the class JavaSearchHelper method accept.

protected void accept(IReferenceDescription referenceDescription) {
    URI sourceResourceURI = referenceDescription.getSourceEObjectUri().trimFragment();
    Iterable<Pair<IStorage, IProject>> storages = storage2UriMapper.getStorages(sourceResourceURI);
    Iterator<Pair<IStorage, IProject>> iterator = storages.iterator();
    while (iterator.hasNext()) {
        Pair<IStorage, IProject> pair = iterator.next();
        IStorage storage = pair.getFirst();
        IProject project = pair.getSecond();
        if (project != null && !project.isHidden()) {
            ResourceSet resourceSet = getResourceSet(project);
            EObject sourceEObject = resourceSet.getEObject(referenceDescription.getSourceEObjectUri(), true);
            if (sourceEObject != null) {
                ITextRegion region = getLocation(sourceEObject, referenceDescription.getEReference(), referenceDescription.getIndexInList());
                acceptMatch(storage, region);
            } else {
                acceptMatch(referenceDescription, null);
            }
        }
    }
}

Example 45 with IStorage

use of org.eclipse.core.resources.IStorage in project xtext-eclipse by eclipse.

the class XbaseEditor method selectAndReveal.

@Override
protected void selectAndReveal(final int selectionStart, final int selectionLength, final int revealStart, final int revealLength) {
    try {
        reentrantCallFromSelf++;
        if (expectJavaSelection > 0) {
            try {
                ITrace traceToSource = getTraceStorage();
                if (traceToSource != null) {
                    IResource javaResource = typeRoot.getResource();
                    if (expectLineSelection && javaResource instanceof IStorage) {
                        if (isCompiledWithJSR45()) {
                            try (InputStream contents = ((IStorage) javaResource).getContents()) {
                                String string = Files.readStreamIntoString(contents);
                                Document javaDocument = new Document(string);
                                int line = getLineInJavaDocument(javaDocument, selectionStart, selectionLength);
                                if (line != -1) {
                                    int startOffsetOfContents = getStartOffsetOfContentsInJava(javaDocument, line);
                                    if (startOffsetOfContents != -1) {
                                        ILocationInResource bestSelection = traceToSource.getBestAssociatedLocation(new TextRegion(startOffsetOfContents, 0));
                                        if (bestSelection != null) {
                                            final ITextRegionWithLineInformation textRegion = bestSelection.getTextRegion();
                                            if (textRegion != null) {
                                                int lineToSelect = textRegion.getLineNumber();
                                                try {
                                                    IRegion lineInfo = getDocument().getLineInformation(lineToSelect);
                                                    super.selectAndReveal(lineInfo.getOffset(), lineInfo.getLength(), lineInfo.getOffset(), lineInfo.getLength());
                                                    return;
                                                } catch (BadLocationException e) {
                                                    log.error(e.getMessage(), e);
                                                }
                                            }
                                        }
                                    }
                                }
                            } catch (BadLocationException | CoreException | IOException e) {
                            // do nothing
                            }
                        }
                    } else if (selectionStart >= 0 && selectionLength >= 0) {
                        ILocationInResource bestSelection = traceToSource.getBestAssociatedLocation(new TextRegion(selectionStart, selectionLength));
                        if (bestSelection != null) {
                            ILocationInResource bestReveal = bestSelection;
                            if (selectionStart != revealStart || selectionLength != revealLength) {
                                bestReveal = traceToSource.getBestAssociatedLocation(new TextRegion(revealStart, revealLength));
                                if (bestReveal == null) {
                                    bestReveal = bestSelection;
                                }
                            }
                            ITextRegion fixedSelection = bestSelection.getTextRegion();
                            if (fixedSelection != null) {
                                ITextRegion fixedReveal = bestReveal.getTextRegion();
                                if (fixedReveal == null) {
                                    fixedReveal = fixedSelection;
                                }
                                super.selectAndReveal(fixedSelection.getOffset(), fixedSelection.getLength(), fixedReveal.getOffset(), fixedReveal.getLength());
                                return;
                            }
                        }
                    }
                }
            } finally {
                expectLineSelection = false;
                expectJavaSelection--;
            }
        }
        super.selectAndReveal(selectionStart, selectionLength, revealStart, revealLength);
    } finally {
        reentrantCallFromSelf--;
    }
}