| /******************************************************************************* |
| * Copyright (c) 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.eclipse.equinox.p2.internal.repository.mirroring; |
| |
| import java.io.*; |
| import java.util.Date; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.equinox.internal.p2.artifact.repository.Messages; |
| import org.eclipse.equinox.p2.repository.artifact.IArtifactDescriptor; |
| |
| public class FileMirrorLog implements IArtifactMirrorLog { |
| |
| private static final String INDENT = "\t"; //$NON-NLS-1$ |
| private static final String SEPARATOR = System.getProperty("line.separator"); //$NON-NLS-1$ |
| private BufferedWriter out; |
| private boolean consoleMessage = false; |
| private int minSeverity = IStatus.OK; |
| private boolean hasRoot = false; |
| |
| public FileMirrorLog(String location, int minSeverity, String root) { |
| this.minSeverity = minSeverity; |
| try { |
| File log = new File(location); |
| if (log.getParentFile().exists() || log.getParentFile().mkdirs()) { |
| out = new BufferedWriter(new FileWriter(log, true)); |
| if (root != null) { |
| log(root + " - " + new Date()); //$NON-NLS-1$ |
| hasRoot = true; |
| } |
| } else |
| throw new IOException(Messages.exception_unableToCreateParentDir); |
| } catch (IOException e) { |
| exceptionOccurred(null, e); |
| } |
| } |
| |
| /* |
| * (non-Javadoc) |
| * @see org.eclipse.equinox.internal.p2.artifact.mirror.IArtifactMirrorLog#log(org.eclipse.equinox.internal.provisional.p2.artifact.repository.IArtifactDescriptor, org.eclipse.core.runtime.IStatus) |
| */ |
| public void log(IArtifactDescriptor descriptor, IStatus status) { |
| if (status.getSeverity() >= minSeverity) { |
| log(descriptor.toString()); |
| log(status, INDENT); |
| } |
| } |
| |
| /* |
| * (non-Javadoc) |
| * @see org.eclipse.equinox.internal.p2.artifact.mirror.IArtifactMirrorLog#log(org.eclipse.core.runtime.IStatus) |
| */ |
| public void log(IStatus status) { |
| log(status, ""); //$NON-NLS-1$ |
| } |
| |
| /* |
| * Write a status to the log, indenting it based on status depth. |
| * @param status the status to log |
| * @param depth the depth of the status |
| */ |
| private void log(IStatus status, String prefix) { |
| if (status.getSeverity() >= minSeverity) { |
| // Write status to log |
| log(prefix + status.getMessage()); |
| |
| // Write exception to log if applicable |
| String exceptionMessage = status.getException() != null ? status.getException().getMessage() : null; |
| if (exceptionMessage != null) |
| log(prefix + exceptionMessage); |
| |
| // Write the children of the status to the log |
| IStatus[] nestedStatus = status.getChildren(); |
| if (nestedStatus != null) |
| for (int i = 0; i < nestedStatus.length; i++) |
| log(nestedStatus[i], prefix + INDENT); |
| } |
| } |
| |
| /* |
| * Write a message to the log |
| * @param message the message to write |
| */ |
| private void log(String message) { |
| try { |
| out.write((hasRoot ? INDENT : "") + message + SEPARATOR); //$NON-NLS-1$ |
| } catch (IOException e) { |
| exceptionOccurred((hasRoot ? INDENT : "") + message, e); //$NON-NLS-1$ |
| } |
| } |
| |
| /* |
| * (non-Javadoc) |
| * @see org.eclipse.equinox.internal.p2.artifact.mirror.IArtifactMirrorLog#close() |
| */ |
| public void close() { |
| try { |
| if (out != null) |
| out.close(); |
| } catch (IOException e) { |
| exceptionOccurred(null, e); |
| } |
| } |
| |
| /* |
| * Show an error message if this the first time, and print status messages. |
| */ |
| private void exceptionOccurred(String message, Exception e) { |
| if (!consoleMessage) { |
| System.err.println(Messages.MirrorLog_Exception_Occurred); |
| e.printStackTrace(System.err); |
| System.err.println(Messages.MirrorLog_Console_Log); |
| consoleMessage = true; |
| } |
| if (message != null) |
| System.out.println(message); |
| } |
| } |