| /* |
| * Copyright (c) 2011 Google Inc. |
| * |
| * All rights reserved. This program and the accompanying materials are made available under the terms of the Eclipse |
| * Public License v1.0 which accompanies this distribution, and is available at |
| * |
| * http://www.eclipse.org/legal/epl-v10.html |
| */ |
| package com.google.eclipse.protobuf.ui.editor.model; |
| |
| import static com.google.common.io.Closeables.closeQuietly; |
| import static com.google.eclipse.protobuf.ui.util.IStatusFactory.error; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.net.URL; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.emf.common.util.URI; |
| import org.eclipse.ui.IEditorInput; |
| import org.eclipse.xtext.resource.XtextResource; |
| import org.eclipse.xtext.ui.editor.model.XtextDocument; |
| |
| import com.google.eclipse.protobuf.ui.editor.UriEditorInput; |
| import com.google.eclipse.protobuf.ui.resource.XtextResourceFactory; |
| import com.google.inject.Inject; |
| |
| /** |
| * @author alruiz@google.com (Alex Ruiz) |
| */ |
| class UriDocumentContentsFactory implements DocumentContentsFactory { |
| @Inject private ContentReader contentReader; |
| @Inject private XtextResourceFactory resourceFactory; |
| |
| @Override public void createContents(XtextDocument document, Object element) throws CoreException { |
| UriEditorInput input = supportedEditorInputType().cast(element); |
| URI uri = input.getFileUri(); |
| try { |
| String contents = contentsOf(uri); |
| document.set(contents); |
| XtextResource resource = resourceFactory.createResource(uri, contents); |
| document.setInput(resource); |
| } catch (Throwable t) { |
| throw new CoreException(error(t)); |
| } |
| } |
| |
| private String contentsOf(URI uri) throws IOException { |
| InputStream inputStream = null; |
| try { |
| URL url = new URL(uri.toString()); |
| inputStream = url.openConnection().getInputStream(); |
| return contentReader.contentsOf(inputStream); |
| } finally { |
| closeQuietly(inputStream); |
| } |
| } |
| |
| @Override public boolean supportsEditorInputType(IEditorInput input) { |
| return supportedEditorInputType().isInstance(input); |
| } |
| |
| private Class<UriEditorInput> supportedEditorInputType() { |
| return UriEditorInput.class; |
| } |
| } |