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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* The Original Code is the reusable ccl java library
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* (http://www.kclee.com/clemens/java/ccl/).
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* The Initial Developer of the Original Code is
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* Portions created by Chr. Clemens Lee are Copyright (C) 2002
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* Chr. Clemens Lee. All Rights Reserved.
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* Contributor(s): Chr. Clemens Lee <clemens@kclee.com>
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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* ***** END LICENSE BLOCK ***** */
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package net.sourceforge.cobertura.javancss;
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import java.util.Vector;
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* A general purpose class with a variety of support and convenience methods.
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* <p> There are different groups of methods in this class:
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* <br><a href="#print(char)">print methods</a> - convenience methods for System.out.print etc. that additionally make sure output is gets flushed immediately.
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* <br><a href="#isEmpty(java.lang.String)">string methods</a>
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* <br><a href="#concat(java.util.Vector)">string/vector converter methods</a>
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* <br><a href="#getConstantObject()">miscellaneous methods</a>
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* Some basic but none the less the most used methods by myself are:<br>
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* - {@link #isEmpty(java.lang.String) isEmpty}<br>
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* - {@link #stringToLines(java.lang.String) stringToLines}<br>
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* - {@link #sleep(int) sleep}<br>
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* @author <a href="http://www.kclee.com/clemens/">
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* Chr. Clemens Lee</a>
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* <<a href="mailto:clemens@kclee.com">
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public static final Object CONSTANT_OBJECT = new Object();
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* This is an utility class, there is (should be) no need
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* for an instance of this class.
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// -----------------------------------------------------
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// debug methods and assertion stuff
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// -----------------------------------------------------
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* panicIf <=> not assert. Throws ApplicationException if true.
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* It's not necessary to catch this exception.
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static void panicIf(boolean bPanic_)
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throw (new RuntimeException());
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* panicIf <=> not assert. Throws ApplicationException if true.
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* It's not necessary to catch this exception.
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* @param sMessage_ The error message for the Exception.
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static void panicIf(boolean bPanic_, String sMessage_)
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throw (new RuntimeException(sMessage_));
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* Tests, if a given String equals null or "".
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public static boolean isEmpty(String sTest_)
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if (sTest_ == null || sTest_.equals(""))
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* This function takes a String and separates it into different
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* lines. The last line does not need to have a separator character.
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* @param lines_ The number of lines that should be extracted.
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* Zero if maximum number of lines is requested.
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* @param cCutter_ The character that separates pString_ into
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* @return The single lines do not contain the cCutter_
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* character at the end.
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private static Vector stringToLines(int lines_, String pString_, char cCutter_)
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int maxLines = Integer.MAX_VALUE;
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Vector vRetVal = new Vector();
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if (pString_ == null)
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for (; maxLines > 0; maxLines--)
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int endIndex = pString_.indexOf(cCutter_, startIndex);
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if (startIndex < pString_.length())
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endIndex = pString_.length();
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String sLine = pString_.substring(startIndex, endIndex);
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vRetVal.addElement(sLine);
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startIndex = endIndex + 1;
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* This function takes a String and separates it into different
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* lines. The last line does not need to have a separator character.
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* @param cCutter_ The character that separates pString_ into
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* @return The single lines do not contain the cCutter_ character
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private static Vector stringToLines(String pString_, char cCutter_)
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return stringToLines(0, pString_, cCutter_);
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* This function takes a String and separates it into different
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* lines. The last line does not need to have a '\n'. The function
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* can't handle dos carriage returns.
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* @return The single lines do not contain the '\n' character
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public static Vector stringToLines(String pString_)
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return stringToLines(pString_, '\n');
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* Current thread sleeps in seconds.
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private static void sleep(int seconds_)
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Thread.sleep(seconds_ * 1000);
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catch (Exception pException)
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src/net/sourceforge/cobertura/javancss/Util.java
