1 files changed, 108 insertions, 0 deletions
diff --git a/org.openembedded.bc.ui/src/org/openembedded/bc/ui/filesystem/Policy.java b/org.openembedded.bc.ui/src/org/openembedded/bc/ui/filesystem/Policy.java
new file mode 100644
index 0000000..f19ecbd
--- /dev/null
+++ b/org.openembedded.bc.ui/src/org/openembedded/bc/ui/filesystem/Policy.java
@@ -0,0 +1,108 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2007 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.openembedded.bc.ui.filesystem;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.util.Date;
+
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.NullProgressMonitor;
+import org.eclipse.core.runtime.OperationCanceledException;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.core.runtime.SubProgressMonitor;
+import org.openembedded.bc.ui.Activator;
+
+
+/**
+ * Grab bag of utility methods for the file system plugin
+ */
+public class Policy {
+
+	/**
+	 * General debug flag for the plugin
+	 */
+	public static boolean DEBUG = false;
+
+	public static final String PI_FILE_SYSTEM = "org.eclipse.core.filesystem"; //$NON-NLS-1$
+
+	public static void checkCanceled(IProgressMonitor monitor) {
+		if (monitor.isCanceled())
+			throw new OperationCanceledException();
+	}
+
+	/**
+	 * Print a debug message to the console. 
+	 * Pre-pend the message with the current date and the name of the current thread.
+	 */
+	public static void debug(String message) {
+		StringBuffer buffer = new StringBuffer();
+		buffer.append(new Date(System.currentTimeMillis()));
+		buffer.append(" - ["); //$NON-NLS-1$
+		buffer.append(Thread.currentThread().getName());
+		buffer.append("] "); //$NON-NLS-1$
+		buffer.append(message);
+		System.out.println(buffer.toString());
+	}
+
+	public static void error(int code, String message) throws CoreException {
+		error(code, message, null);
+	}
+
+	public static void error(int code, String message, Throwable exception) throws CoreException {
+		int severity = code == 0 ? 0 : 1 << (code % 100 / 33);
+		throw new CoreException(new Status(severity, PI_FILE_SYSTEM, code, message, exception));
+	}
+
+	public static void log(int severity, String message, Throwable t) {
+		if (message == null)
+			message = ""; //$NON-NLS-1$
+		Activator.getDefault().getLog().log(new Status(severity, PI_FILE_SYSTEM, 1, message, t));
+	}
+
+	public static IProgressMonitor monitorFor(IProgressMonitor monitor) {
+		return monitor == null ? new NullProgressMonitor() : monitor;
+	}
+
+	/**
+	 * Closes a stream and ignores any resulting exception.
+	 */
+	public static void safeClose(InputStream in) {
+		try {
+			if (in != null)
+				in.close();
+		} catch (IOException e) {
+			//ignore
+		}
+	}
+
+	/**
+	 * Closes a stream and ignores any resulting exception.
+	 */
+	public static void safeClose(OutputStream out) {
+		try {
+			if (out != null)
+				out.close();
+		} catch (IOException e) {
+			//ignore
+		}
+	}
+
+	public static IProgressMonitor subMonitorFor(IProgressMonitor monitor, int ticks) {
+		if (monitor == null)
+			return new NullProgressMonitor();
+		if (monitor instanceof NullProgressMonitor)
+			return monitor;
+		return new SubProgressMonitor(monitor, ticks);
+	}
+}