1 /**************************************************************
2  *
3  * Licensed to the Apache Software Foundation (ASF) under one
4  * or more contributor license agreements.  See the NOTICE file
5  * distributed with this work for additional information
6  * regarding copyright ownership.  The ASF licenses this file
7  * to you under the Apache License, Version 2.0 (the
8  * "License"); you may not use this file except in compliance
9  * with the License.  You may obtain a copy of the License at
10  *
11  *   http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing,
14  * software distributed under the License is distributed on an
15  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16  * KIND, either express or implied.  See the License for the
17  * specific language governing permissions and limitations
18  * under the License.
19  *
20  *************************************************************/
21 
22 package com.sun.star.script.framework.log;
23 
24 import java.io.ByteArrayOutputStream;
25 import java.io.PrintStream;
26 
27 public class LogUtils {
28 
29     private static boolean m_bDebugEnabled = false;
30 
31     static
32     {
33         String debugFlag =
34             System.getProperties().getProperty("ScriptJavaRuntimeDebug");
35 
36         if (debugFlag != null && debugFlag.length() > 0)
37         {
38             m_bDebugEnabled = debugFlag.equalsIgnoreCase("true");
39         }
40     }
41 
42     // Ensure that instances of this class cannot be created
LogUtils()43     private LogUtils() {
44     }
45 
46     /**
47     *  Print Debug Output
48     *
49     * @param  msg  message to be displayed
50     */
DEBUG(String msg)51     public static void DEBUG(String msg)
52     {
53         if (m_bDebugEnabled)
54         {
55             System.out.println(msg);
56         }
57     }
58 
getTrace( Exception e )59     public static String getTrace( Exception e )
60     {
61         ByteArrayOutputStream baos = null;
62         PrintStream ps = null;
63         String result = "";
64         try
65         {
66             baos = new ByteArrayOutputStream( );
67             ps = new PrintStream( baos );
68             e.printStackTrace( ps );
69         }
70         finally
71         {
72             try
73             {
74                 if ( baos != null )
75                 {
76                     baos.close();
77                 }
78                 if ( ps != null )
79                 {
80                     ps.close();
81                 }
82             }
83             catch ( Exception excp )
84             {
85             }
86         }
87         return result;
88     }
89 }
90