| /******************************************************************************* |
| * Copyright (c) 2003, 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.eclipse.jst.server.tomcat.core.internal; |
| |
| import java.text.SimpleDateFormat; |
| import java.util.Date; |
| /** |
| * Helper class to route trace output. |
| */ |
| public class Trace { |
| public static final byte CONFIG = 0; |
| public static final byte WARNING = 1; |
| public static final byte SEVERE = 2; |
| public static final byte FINEST = 3; |
| public static final byte FINER = 4; |
| |
| private static final String[] levelNames = new String[] { |
| "CONFIG ", "WARNING ", "SEVERE ", "FINER ", "FINEST "}; |
| private static final String spacer = " "; |
| |
| private static final SimpleDateFormat sdf = new SimpleDateFormat("dd/MM/yy HH:mm.ss.SSS"); |
| |
| protected static int pluginLength = -1; |
| |
| /** |
| * Trace constructor comment. |
| */ |
| private Trace() { |
| super(); |
| } |
| |
| /** |
| * Trace the given text. |
| * |
| * @param level the trace level |
| * @param s a message |
| */ |
| public static void trace(byte level, String s) { |
| Trace.trace(level, s, null); |
| } |
| |
| /** |
| * Trace the given message and exception. |
| * |
| * @param level the trace level |
| * @param s a message |
| * @param t a throwable |
| */ |
| public static void trace(byte level, String s, Throwable t) { |
| if (!TomcatPlugin.getInstance().isDebugging()) |
| return; |
| |
| /*System.out.println(TomcatPlugin.PLUGIN_ID + " " + s); |
| if (t != null) |
| t.printStackTrace();*/ |
| trace(TomcatPlugin.PLUGIN_ID, level, s, t); |
| } |
| |
| /** |
| * Trace the given message and exception. |
| * |
| * @param level a trace level |
| * @param s a message |
| * @param t a throwable |
| */ |
| private static void trace(String pluginId, int level, String s, Throwable t) { |
| if (pluginId == null || s == null) |
| return; |
| |
| if (!TomcatPlugin.getInstance().isDebugging()) |
| return; |
| |
| StringBuffer sb = new StringBuffer(pluginId); |
| if (pluginId.length() > pluginLength) |
| pluginLength = pluginId.length(); |
| else if (pluginId.length() < pluginLength) |
| sb.append(spacer.substring(0, pluginLength - pluginId.length())); |
| sb.append(" "); |
| sb.append(levelNames[level]); |
| sb.append(" "); |
| sb.append(sdf.format(new Date())); |
| sb.append(" "); |
| sb.append(s); |
| //Platform.getDebugOption(ServerCore.PLUGIN_ID + "/" + "resources"); |
| |
| System.out.println(sb.toString()); |
| if (t != null) |
| t.printStackTrace(); |
| } |
| |
| /** |
| * Gets state of debug flag for the plug-in. |
| * |
| * @return true if tracing is enabled |
| */ |
| public static boolean isTraceEnabled() { |
| return TomcatPlugin.getInstance().isDebugging(); |
| } |
| } |