| /******************************************************************************* |
| * Copyright (c) 2008, 2009 IBM Corporation and others. |
| * 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 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipe.debug.tests.launching; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.net.URI; |
| import java.net.URISyntaxException; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.core.filesystem.EFS; |
| import org.eclipse.core.filesystem.IFileInfo; |
| import org.eclipse.core.filesystem.IFileStore; |
| import org.eclipse.core.filesystem.provider.FileInfo; |
| import org.eclipse.core.filesystem.provider.FileStore; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Path; |
| import org.eclipse.core.runtime.Status; |
| |
| /** |
| * Implementation of an in memory file store to test launch configurations on EFS |
| */ |
| public class DebugFileStore extends FileStore { |
| |
| /** |
| * Output steam for writing a file |
| */ |
| class DebugOutputStream extends ByteArrayOutputStream { |
| |
| /* (non-Javadoc) |
| * @see java.io.ByteArrayOutputStream#close() |
| */ |
| public void close() throws IOException { |
| super.close(); |
| DebugFileSystem.getDefault().setContents(toURI(), toByteArray()); |
| } |
| |
| } |
| |
| private URI uri; |
| |
| public DebugFileStore(URI id) { |
| uri = id; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.core.filesystem.provider.FileStore#childNames(int, org.eclipse.core.runtime.IProgressMonitor) |
| */ |
| public String[] childNames(int options, IProgressMonitor monitor) throws CoreException { |
| URI[] uris = DebugFileSystem.getDefault().getFileURIs(); |
| List children = new ArrayList(); |
| IPath me = getPath(); |
| for (int i = 0; i < uris.length; i++) { |
| URI id = uris[i]; |
| Path path = new Path(id.getPath()); |
| if (path.segmentCount() > 0) { |
| if (path.removeLastSegments(1).equals(me)) { |
| children.add(path.lastSegment()); |
| } |
| } |
| } |
| return (String[]) children.toArray(new String[children.size()]); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.core.filesystem.provider.FileStore#fetchInfo(int, org.eclipse.core.runtime.IProgressMonitor) |
| */ |
| public IFileInfo fetchInfo(int options, IProgressMonitor monitor) throws CoreException { |
| byte[] contents = DebugFileSystem.getDefault().getContents(toURI()); |
| FileInfo info = new FileInfo(); |
| info.setName(getName()); |
| info.setAttribute(EFS.ATTRIBUTE_READ_ONLY, false); |
| if (contents == null) { |
| info.setExists(false); |
| info.setLength(0L); |
| } else { |
| info.setExists(true); |
| info.setLength(contents.length); |
| info.setDirectory(contents == DebugFileSystem.DIRECTORY_BYTES); |
| if (info.isDirectory()) { |
| info.setAttribute(EFS.ATTRIBUTE_EXECUTABLE, true); |
| } |
| } |
| return info; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.core.filesystem.provider.FileStore#getChild(java.lang.String) |
| */ |
| public IFileStore getChild(String name) { |
| try { |
| return new DebugFileStore(new URI(getFileSystem().getScheme(), getPath().append(name).toString(), null)); |
| } catch (URISyntaxException e) { |
| } |
| return null; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.core.filesystem.provider.FileStore#getName() |
| */ |
| public String getName() { |
| IPath path = getPath(); |
| if (path.segmentCount() > 0) { |
| return path.lastSegment(); |
| } |
| return ""; |
| } |
| |
| /** |
| * @return |
| */ |
| private IPath getPath() { |
| URI me = toURI(); |
| IPath path = new Path(me.getPath()); |
| return path; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.core.filesystem.provider.FileStore#getParent() |
| */ |
| public IFileStore getParent() { |
| IPath path = getPath(); |
| if (path.segmentCount() > 0) { |
| try { |
| return new DebugFileStore(new URI(getFileSystem().getScheme(), path.removeLastSegments(1).toString(), null)); |
| } catch (URISyntaxException e) { |
| } |
| } |
| return null; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.core.filesystem.provider.FileStore#openInputStream(int, org.eclipse.core.runtime.IProgressMonitor) |
| */ |
| public InputStream openInputStream(int options, IProgressMonitor monitor) throws CoreException { |
| byte[] contents = DebugFileSystem.getDefault().getContents(toURI()); |
| if (contents != null) { |
| return new ByteArrayInputStream(contents); |
| } |
| throw new CoreException(new Status(IStatus.ERROR, "org.eclipse.jdt.debug.tests", |
| "File does not exist: " + toURI())); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.core.filesystem.provider.FileStore#openOutputStream(int, org.eclipse.core.runtime.IProgressMonitor) |
| */ |
| public OutputStream openOutputStream(int options, IProgressMonitor monitor) throws CoreException { |
| return new DebugOutputStream(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.core.filesystem.provider.FileStore#mkdir(int, org.eclipse.core.runtime.IProgressMonitor) |
| */ |
| public IFileStore mkdir(int options, IProgressMonitor monitor) throws CoreException { |
| IFileInfo info = fetchInfo(); |
| if (info.exists()) { |
| if (!info.isDirectory()) { |
| throw new CoreException(new Status(IStatus.ERROR, "org.eclipse.jdt.debug.tests", |
| "mkdir failed - file already exists with name: " + toURI())); |
| } |
| } else { |
| IFileStore parent = getParent(); |
| if (parent.fetchInfo().exists()) { |
| DebugFileSystem.getDefault().setContents(toURI(), DebugFileSystem.DIRECTORY_BYTES); |
| } else { |
| if ((options & EFS.SHALLOW) > 0) { |
| throw new CoreException(new Status(IStatus.ERROR, "org.eclipse.jdt.debug.tests", |
| "mkdir failed - parent does not exist: " + toURI())); |
| } else { |
| parent.mkdir(EFS.NONE, null); |
| } |
| } |
| } |
| return this; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.core.filesystem.provider.FileStore#toURI() |
| */ |
| public URI toURI() { |
| return uri; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.core.filesystem.provider.FileStore#delete(int, org.eclipse.core.runtime.IProgressMonitor) |
| */ |
| public void delete(int options, IProgressMonitor monitor) throws CoreException { |
| DebugFileSystem.getDefault().delete(toURI()); |
| } |
| } |