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annotate dwtx/core/commands/util/Tracing.d @ 3:6518c18a01f7

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eclipse.core package without osgi dependencies
author Frank Benoit <benoit@tionex.de>
date Wed, 26 Mar 2008 00:57:19 +0100
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6518c18a01f7 eclipse.core package without osgi dependencies
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1 /*******************************************************************************
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2 * Copyright (c) 2005, 2006 IBM Corporation and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * IBM Corporation - initial API and implementation
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10 * Port to the D programming language:
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11 * Frank Benoit <benoit@tionex.de>
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12 *******************************************************************************/
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13
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14 module dwtx.core.commands.util.Tracing;
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16 import dwt.dwthelper.utils;
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17 import tango.util.log.Trace;
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18
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19 static import tango.text.Text;
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20 alias tango.text.Text.Text!(char) StringBuffer;
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21
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22 /**
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23 * <p>
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24 * A utility class for printing tracing output to the console.
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25 * </p>
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26 * <p>
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27 * Clients must not extend or instantiate this class.
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28 * </p>
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29 *
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30 * @since 3.2
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31 */
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32 public final class Tracing {
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33
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34 /**
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35 * The separator to place between the component and the message.
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36 */
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37 public static const String SEPARATOR = " >>> "; //$NON-NLS-1$
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38
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39 /**
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40 * <p>
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41 * Prints a tracing message to standard out. The message is prefixed by a
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42 * component identifier and some separator. See the example below.
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43 * </p>
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44 *
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45 * <pre>
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46 * BINDINGS &gt;&gt; There are 4 deletion markers
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47 * </pre>
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48 *
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49 * @param component
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50 * The component for which this tracing applies; may be
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51 * <code>null</code>
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52 * @param message
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53 * The message to print to standard out; may be <code>null</code>.
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54 */
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55 public static final void printTrace(String component,
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56 String message) {
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57 StringBuffer buffer = new StringBuffer();
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58 if (component.length !is 0) {
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59 buffer.append(component);
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60 }
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61 if ((component.length !is 0) && (message.length !is 0)) {
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62 buffer.append(SEPARATOR);
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63 }
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64 if (message.length !is 0) {
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65 buffer.append(message);
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66 }
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67 Trace.formatln( "{}", buffer.toString());
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68 }
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69
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70 /**
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71 * This class is not intended to be instantiated.
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72 */
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73 private this() {
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74 // Do nothing.
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75 }
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76 }