| /****************************************************************************** |
| * Copyright (c) 2006 IBM Corporation. |
| * 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 Implementation |
| * |
| *****************************************************************************/ |
| package org.eclipse.ptp.remotetools.environment.launcher.internal; |
| |
| import java.io.File; |
| import java.io.PrintWriter; |
| |
| import org.eclipse.core.filesystem.EFS; |
| import org.eclipse.core.filesystem.IFileInfo; |
| import org.eclipse.core.filesystem.IFileStore; |
| import org.eclipse.core.filesystem.IFileSystem; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| import org.eclipse.core.runtime.Assert; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.core.runtime.Path; |
| import org.eclipse.osgi.util.NLS; |
| import org.eclipse.ptp.remotetools.core.IRemoteCopyTools; |
| import org.eclipse.ptp.remotetools.core.IRemoteExecutionManager; |
| import org.eclipse.ptp.remotetools.core.IRemoteFileEnumeration; |
| import org.eclipse.ptp.remotetools.core.IRemoteFileTools; |
| import org.eclipse.ptp.remotetools.core.IRemoteItem; |
| import org.eclipse.ptp.remotetools.core.IRemoteStatusTools; |
| import org.eclipse.ptp.remotetools.environment.launcher.core.LinuxPath; |
| import org.eclipse.ptp.remotetools.environment.launcher.data.DownloadRule; |
| import org.eclipse.ptp.remotetools.environment.launcher.data.ExecutionConfiguration; |
| import org.eclipse.ptp.remotetools.environment.launcher.data.OverwritePolicies; |
| import org.eclipse.ptp.remotetools.exception.CancelException; |
| import org.eclipse.ptp.remotetools.exception.RemoteConnectionException; |
| import org.eclipse.ptp.remotetools.exception.RemoteOperationException; |
| |
| |
| public class DownloadRuleAction implements IRuleAction { |
| |
| private ILaunchProcessCallback process; |
| private DownloadRule rule; |
| private ExecutionConfiguration configuration; |
| private PrintWriter outputWriter; |
| private PrintWriter errorWriter; |
| private IRemoteExecutionManager manager; |
| |
| public DownloadRuleAction(ILaunchProcessCallback process, DownloadRule rule) { |
| super(); |
| this.process = process; |
| this.rule = rule; |
| configuration = process.getConfiguration(); |
| outputWriter = process.getOutputWriter(); |
| errorWriter = process.getErrorWriter(); |
| manager = process.getExecutionManager(); |
| } |
| |
| public void run() throws CoreException, CancelException, RemoteConnectionException { |
| Assert.isNotNull(process); |
| Assert.isNotNull(rule); |
| Assert.isNotNull(configuration); |
| Assert.isNotNull(outputWriter); |
| Assert.isNotNull(errorWriter); |
| Assert.isNotNull(manager); |
| |
| /* |
| * If overwrite policy depends on time, then get remote clock skew. |
| */ |
| long clockSkew = 0; |
| if (rule.getOverwritePolicy() == OverwritePolicies.NEWER) { |
| IRemoteStatusTools statusTools = manager.getRemoteStatusTools(); |
| long localTime; |
| long remoteTime; |
| try { |
| localTime = System.currentTimeMillis(); |
| remoteTime = statusTools.getTime(); |
| clockSkew = localTime -remoteTime; |
| } catch (RemoteOperationException e) { |
| errorWriter.println(NLS.bind(Messages.DownloadRuleAction_FailedCalculateClockDifference, e.getMessage())); |
| errorWriter.println(Messages.DownloadRuleAction_FailedCalculateClockDifference2); |
| clockSkew = 0; |
| } |
| if (clockSkew < -15000) { |
| errorWriter.println(Messages.DownloadRuleAction_WarningClockForward); |
| } else if (clockSkew > 15000) { |
| errorWriter.println(Messages.DownloadRuleAction_WarningClockBackward); |
| } |
| } |
| |
| /* |
| * Determine local path. Make it absolute. Create if necessary |
| */ |
| IPath localPath = new Path(rule.getLocalDirectory()); |
| if (! localPath.isAbsolute()) { |
| IPath workspace = ResourcesPlugin.getWorkspace().getRoot().getLocation(); |
| localPath = workspace.append(localPath); |
| } |
| Assert.isTrue(localPath.isAbsolute(), "localPath.isAbsolute()"); //$NON-NLS-1$ |
| File localDir = localPath.toFile(); |
| if (! localDir.exists()) { |
| if (! localDir.mkdirs()) { |
| errorWriter.println(NLS.bind(Messages.DownloadRuleAction_FailedCreateLocalDirectory, localPath.toString())); |
| return; |
| } |
| } else if (! localDir.isDirectory()) { |
| errorWriter.println(NLS.bind(Messages.DownloadRuleAction_FailedLocalDiretoryIsNotDirectory, localPath.toString())); |
| return; |
| } |
| |
| /* |
| * Determine list of remote paths. Make them absolute. |
| */ |
| IPath remotePaths [] = rule.getRemoteFilesAsPathArray(); |
| IPath remoteWorkingPath = configuration.getRemoteDirectoryPath(); |
| for (int i = 0; i < remotePaths.length; i++) { |
| IPath remotePath = remotePaths[i]; |
| if (! remotePath.isAbsolute()) { |
| remotePath = remoteWorkingPath.append(remotePath); |
| } |
| remotePath = remotePath.removeTrailingSeparator(); |
| Assert.isTrue(remotePath.isAbsolute(), "remotePath.isAbsolute()"); //$NON-NLS-1$ |
| remotePaths[i] = remotePath; |
| } |
| |
| /* |
| * Process paths. |
| */ |
| IRemoteFileTools fileTools = manager.getRemoteFileTools(); |
| for (int i = 0; i < remotePaths.length; i++) { |
| IPath remotePath = remotePaths[i]; |
| String remotePathAsString = LinuxPath.toString(remotePath); |
| IRemoteItem item = null; |
| try { |
| item = fileTools.getItem(remotePathAsString); |
| } catch (RemoteOperationException e) { |
| errorWriter.println(NLS.bind(Messages.DownloadRuleAction_FailedFetchAttributes, remotePathAsString)); |
| continue; |
| } |
| |
| if (!item.exists()) { |
| errorWriter.println(NLS.bind(Messages.DownloadRuleAction_FailedRemotePathDoesNotExit, remotePathAsString)); |
| continue; |
| } else if (item.isDirectory()) { |
| downloadDirectory(item, localDir); |
| } else { |
| downloadFile(item, localDir); |
| } |
| } |
| |
| } |
| |
| private void downloadFile(IRemoteItem remoteFile, File localDir) throws RemoteConnectionException, CancelException { |
| Assert.isTrue(localDir.isAbsolute(), "localDir.isAbsolute()"); //$NON-NLS-1$ |
| |
| IPath remoteFilePath = LinuxPath.fromString(remoteFile.getPath()); |
| File localFile = new File(localDir, remoteFilePath.lastSegment()); |
| outputWriter.println(NLS.bind(Messages.DownloadRuleAction_NotifyFileDownload1, remoteFile.getPath())); |
| outputWriter.println(NLS.bind(Messages.DownloadRuleAction_NotifyFileDownload2, localFile.getAbsolutePath())); |
| |
| doFileDownload(remoteFile, localFile); |
| } |
| |
| private void downloadDirectory(IRemoteItem remoteDirectory, File localDir) throws RemoteConnectionException, CancelException { |
| Assert.isTrue(localDir.isAbsolute(), "localDir.isAbsolute()"); //$NON-NLS-1$ |
| |
| outputWriter.println(NLS.bind(Messages.DownloadRuleAction_NotifyDirectoryDownload1, remoteDirectory.getPath())); |
| outputWriter.println(NLS.bind(Messages.DownloadRuleAction_NotifyDirectoryDownload2, localDir.getAbsolutePath())); |
| |
| IRemoteFileTools fileTools = manager.getRemoteFileTools(); |
| |
| IRemoteFileEnumeration enumeration = null; |
| try { |
| enumeration = fileTools.createRecursiveFileEnumeration(remoteDirectory.getPath()); |
| } catch (RemoteOperationException e) { |
| errorWriter.println(NLS.bind(Messages.DownloadRuleAction_FailedFetchRemoteAttributes, e.getMessage())); |
| return; |
| } |
| |
| IPath remoteRootPath = LinuxPath.fromString(remoteDirectory.getPath()); |
| IPath localRootPath = new Path(localDir.getAbsolutePath()); |
| int remoteRootPathLength = remoteRootPath.segmentCount(); |
| |
| while (enumeration.hasMoreElements()) { |
| while (enumeration.hasMoreExceptions()) { |
| errorWriter.println(NLS.bind(Messages.DownloadRuleAction_FailedFetchRemoteAttributes, enumeration.nextException())); |
| } |
| /* |
| * Calculate path relative to the remote root. |
| * Generate path relative to the local root. |
| */ |
| IRemoteItem remoteItem = enumeration.nextElementAsItem(); |
| IPath remotePath = LinuxPath.fromString(remoteItem.getPath()); |
| IPath relativePath = remotePath.removeFirstSegments(remoteRootPathLength); |
| IPath localFilePath = localRootPath.append(relativePath); |
| File localFile = localFilePath.toFile(); |
| if (remoteItem.isDirectory()) { |
| doDirectoryDownload(remoteItem, localFile); |
| } else { |
| doFileDownload(remoteItem, localFile); |
| } |
| } |
| while (enumeration.hasMoreExceptions()) { |
| errorWriter.println(NLS.bind(Messages.DownloadRuleAction_FailedFetchRemoteAttributes, enumeration.nextException())); |
| } |
| } |
| |
| private void doFileDownload(IRemoteItem remoteFile, File localFile) throws RemoteConnectionException, CancelException { |
| Assert.isTrue(localFile.isAbsolute(), "localFile.isAbsolute()"); //$NON-NLS-1$ |
| |
| String remoteFileAsString = remoteFile.getPath(); |
| |
| IRemoteCopyTools copyTools = manager.getRemoteCopyTools(); |
| |
| /* |
| * Check if file exists and if file is newer, depending on overwrite policy. |
| */ |
| if (rule.getOverwritePolicy() == OverwritePolicies.ALWAYS) { |
| /* |
| * File is always copied, no policy. |
| */ |
| } else { |
| /* |
| * Policy needs to check remote file. |
| */ |
| if (rule.getOverwritePolicy() == OverwritePolicies.SKIP) { |
| if (localFile.exists()) { |
| outputWriter.println(NLS.bind(Messages.DownloadRuleAction_NotiftFileExistsLocally, localFile.getAbsolutePath())); |
| return; |
| } |
| } else if (rule.getOverwritePolicy() == OverwritePolicies.NEWER) { |
| long difference = remoteFile.getModificationTime() - localFile.lastModified(); |
| if (difference < 1000) { |
| outputWriter.println(NLS.bind(Messages.DownloadRuleAction_NotiftNewerFileExistsLocally, localFile.getAbsolutePath())); |
| return; |
| } |
| } |
| } |
| |
| /* |
| * Upload the file. |
| */ |
| try { |
| copyTools.downloadFileToFile(remoteFileAsString, localFile); |
| } catch (RemoteOperationException e) { |
| errorWriter.println(NLS.bind(Messages.DownloadRuleAction_FailedSetDownloadFile, e.getMessage())); |
| return; |
| } |
| |
| /* |
| * Set file permissions. We need help of EFS, since the File class from |
| * Java does not providel all information. |
| */ |
| // boolean read = remoteFile.isReadable(); |
| boolean write = remoteFile.isWritable(); |
| boolean execute = remoteFile.isExecutable(); |
| |
| if (rule.isAsReadOnly()) { |
| write = false; |
| } |
| if (rule.isAsExecutable()) { |
| execute = true; |
| } |
| |
| IFileSystem localFileSystem = EFS.getLocalFileSystem(); |
| IFileStore fileStore = localFileSystem.getStore(new Path(localFile.getPath())); |
| IFileInfo fileInfo = fileStore.fetchInfo(); |
| |
| fileInfo.setAttribute(EFS.ATTRIBUTE_EXECUTABLE, execute); |
| fileInfo.setAttribute(EFS.ATTRIBUTE_READ_ONLY, ! write); |
| |
| /* |
| * Set date/time, if required |
| */ |
| if (rule.isPreserveTimeStamp()) { |
| long timestamp = remoteFile.getModificationTime(); |
| fileInfo.setLastModified(timestamp); |
| } |
| |
| /* |
| * Commit changes |
| */ |
| try { |
| fileStore.putInfo(fileInfo, EFS.SET_LAST_MODIFIED | EFS.SET_ATTRIBUTES, null); |
| } catch (CoreException e) { |
| errorWriter.println(NLS.bind(Messages.DownloadRuleAction_FailedSetLocalFileAttributes, localFile.getAbsolutePath())); |
| return; |
| } |
| } |
| |
| private void doDirectoryDownload(IRemoteItem remoteDir, File localDir) throws RemoteConnectionException, CancelException { |
| Assert.isTrue(localDir.isAbsolute(), "localFile.isAbsolute()"); //$NON-NLS-1$ |
| |
| /* |
| * Create local directory, if not already exists. |
| */ |
| if (! localDir.exists()) { |
| if (! localDir.mkdirs()) { |
| errorWriter.println(NLS.bind(Messages.DownloadRuleAction_FailedCreateLocalDirectory, localDir.getAbsolutePath())); |
| return; |
| } |
| } |
| |
| /* |
| * Set file permissions. We need help of EFS, since the File class from |
| * Java does not providel all information. |
| */ |
| // boolean read = remoteDir.isReadable(); |
| boolean write = remoteDir.isWritable(); |
| boolean execute = true; |
| |
| if (rule.isAsReadOnly()) { |
| write = false; |
| } |
| |
| IFileSystem localFileSystem = EFS.getLocalFileSystem(); |
| IFileStore fileStore = localFileSystem.getStore(new Path(localDir.getPath())); |
| IFileInfo fileInfo = fileStore.fetchInfo(); |
| |
| fileInfo.setAttribute(EFS.ATTRIBUTE_EXECUTABLE, execute); |
| fileInfo.setAttribute(EFS.ATTRIBUTE_READ_ONLY, ! write); |
| |
| /* |
| * Set date/time, if required |
| */ |
| if (rule.isPreserveTimeStamp()) { |
| long timestamp = remoteDir.getModificationTime(); |
| fileInfo.setLastModified(timestamp); |
| } |
| |
| /* |
| * Commit changes |
| */ |
| try { |
| fileStore.putInfo(fileInfo, EFS.SET_LAST_MODIFIED | EFS.SET_ATTRIBUTES, null); |
| } catch (CoreException e) { |
| errorWriter.println(NLS.bind(Messages.DownloadRuleAction_FailedSetLocalDirectoryAttributes, localDir.getAbsolutePath())); |
| return; |
| } |
| } |
| |
| } |