ant-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From sbaill...@apache.org
Subject cvs commit: jakarta-ant/src/testcases/org/apache/tools/ant/util StringUtilsTest.java
Date Sat, 29 Dec 2001 20:21:34 GMT
sbailliez    01/12/29 12:21:34

  Modified:    src/main/org/apache/tools/ant/util StringUtils.java
  Added:       src/testcases/org/apache/tools/ant/util StringUtilsTest.java
  Log:
  Added additional methods to deal with strings.
  This is mostly to avoid the use of regexp for
  simple tasks.
  
  Revision  Changes    Path
  1.2       +51 -0     jakarta-ant/src/main/org/apache/tools/ant/util/StringUtils.java
  
  Index: StringUtils.java
  ===================================================================
  RCS file: /home/cvs/jakarta-ant/src/main/org/apache/tools/ant/util/StringUtils.java,v
  retrieving revision 1.1
  retrieving revision 1.2
  diff -u -r1.1 -r1.2
  --- StringUtils.java	15 Dec 2001 00:15:16 -0000	1.1
  +++ StringUtils.java	29 Dec 2001 20:21:34 -0000	1.2
  @@ -55,6 +55,7 @@
   
   import java.io.StringWriter;
   import java.io.PrintWriter;
  +import java.util.Vector;
   
   /**
    * A set of helper methods related to string manipulation.
  @@ -67,6 +68,55 @@
       public final static String LINE_SEP = System.getProperty("line.separator");
   
       /**
  +     * Splits up a string into a list of lines. It is equivalent
  +     * to <tt>split(data, '\n')</tt>.
  +     * @param data the string to split up into lines.
  +     * @return the list of lines available in the string.
  +     */
  +    public static Vector lineSplit(String data){
  +        return split(data, '\n');
  +    }
  +
  +    /**
  +     * Splits up a string where elements are separated by a specific
  +     * character and return all elements.
  +     * @param data the string to split up.
  +     * @param ch the separator character.
  +     * @return the list of elements.
  +     */
  +    public static Vector split(String data, int ch){
  +        Vector elems = new Vector();
  +        int pos = -1;
  +        int i = 0;
  +        while ( (pos = data.indexOf(ch, i) ) != -1 ){
  +            String elem = data.substring(i, pos);
  +            elems.addElement(elem);
  +            i = pos + 1;
  +        }
  +        elems.addElement( data.substring(i) );
  +        return elems;
  +    }
  +
  +    /**
  +     * Replace occurrences into a string.
  +     * @param data the string to replace occurrences into
  +     * @param from the occurrence to replace.
  +     * @param to the occurrence to be used as a replacement.
  +     * @return the new string with replaced occurrences.
  +     */
  +    public static String replace(String data, String from, String to){
  +        StringBuffer buf = new StringBuffer(data.length());
  +        int pos = -1;
  +        int i = 0;
  +        while ( (pos = data.indexOf(from, i)) != -1 ){
  +            buf.append( data.substring(i, pos) ).append(to);
  +            i = pos + from.length();
  +        }
  +        buf.append( data.substring(i) );
  +        return buf.toString();
  +    }
  +
  +    /**
        * Convenient method to retrieve the full stacktrace from a given exception.
        * @param t the exception to get the stacktrace from.
        * @return the stacktrace from the given exception.
  @@ -79,4 +129,5 @@
           pw.close();
           return sw.toString();
       }
  +
   }
  
  
  
  1.1                  jakarta-ant/src/testcases/org/apache/tools/ant/util/StringUtilsTest.java
  
  Index: StringUtilsTest.java
  ===================================================================
  /*
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 2001 The Apache Software Foundation.  All rights
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution, if
   *    any, must include the following acknowlegement:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowlegement may appear in the software itself,
   *    if and wherever such third-party acknowlegements normally appear.
   *
   * 4. The names "The Jakarta Project", "Ant", and "Apache Software
   *    Foundation" must not be used to endorse or promote products derived
   *    from this software without prior written permission. For written
   *    permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache"
   *    nor may "Apache" appear in their names without prior written
   *    permission of the Apache Group.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   */
  package org.apache.tools.ant.util;
  
  import java.util.Vector;
  
  import junit.framework.TestCase;
  
  /**
   * Test for StringUtils
   * @author <a href="mailto:sbailliez@apache.org">Stephane Bailliez</a>
   */
  public class StringUtilsTest extends TestCase {
      public StringUtilsTest(String s) {
          super(s);
      }
  
      public void testSplit(){
          final String data = "a,b,,";
          Vector res = StringUtils.split(data, ',');
          assertEquals(4, res.size());
          assertEquals("a", res.elementAt(0));
          assertEquals("b", res.elementAt(1));
          assertEquals("", res.elementAt(2));
          assertEquals("", res.elementAt(3));
      }
  
      public void testSplitLines(){
          final String data = "a\r\nb\nc\nd\ne";
          Vector res = StringUtils.lineSplit(data);
          assertEquals(5, res.size());
          assertEquals("a\r", res.elementAt(0));
          assertEquals("b", res.elementAt(1));
          assertEquals("c", res.elementAt(2));
          assertEquals("d", res.elementAt(3));
          assertEquals("e", res.elementAt(4));
      }
  
      public void testReplace() {
          final String data = "abcabcabca";
          String res = StringUtils.replace(data, "a", "");
          assertEquals("bcbcbc", res);
      }
  
  }
  
  
  

--
To unsubscribe, e-mail:   <mailto:ant-dev-unsubscribe@jakarta.apache.org>
For additional commands, e-mail: <mailto:ant-dev-help@jakarta.apache.org>


Mime
View raw message