Coverage report

  %line %branch
net.sf.tlc.util.ClassPathUtils
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 1   
 /*
 2   
  * Created on May 19, 2005
 3   
  *
 4   
  * ClassPathUtils provides a set of static utility methods used in the
 5   
  * manipulation of paths to classes.
 6   
  */
 7   
 package net.sf.tlc.util;
 8   
 
 9   
 /**
 10   
  * ClassPathUtils provides a set of static utility methods used in the
 11   
  * manipulation of paths to classes.
 12   
  *
 13   
  * @author aisrael
 14   
  */
 15   
 public final class ClassPathUtils {
 16   
 
 17   
     private static final String CLASS_EXT = ".class";
 18   
 
 19   
     /**
 20   
      * ClassPathUtils instances should NOT be constructed in standard
 21   
      * programming.
 22   
      */
 23  0 
     private ClassPathUtils() {
 24   
         // noop
 25  0 
     }
 26   
 
 27   
     /**
 28   
      * Returns the expected class name from a class file's absolute path or null
 29   
      * if the path does not end with ".class".
 30   
      *
 31   
      * @param path
 32   
      *            the absolute path to the class
 33   
      * @return the expected class name, or null
 34   
      */
 35   
     public static String toClassName(final String path) {
 36   
         final int offset;
 37  110 
         if (path.startsWith("/")) {
 38  20 
             offset = 1;
 39   
         } else {
 40  90 
             offset = 0;
 41   
         }
 42  110 
         return toClassName(offset, path);
 43   
     }
 44   
 
 45   
     /**
 46   
      * Returns the expected class name from a class file's absolute path and the
 47   
      * 'base dir' to calculate it from, or null if the absolutePath does not
 48   
      * start with the baseDir and does not end with ".class".
 49   
      *
 50   
      * @param baseDir
 51   
      *            the base directory
 52   
      * @param absolutePath
 53   
      *            the absolute path to the class
 54   
      * @return the expected class name, or null
 55   
      */
 56   
     public static String toClassName(final String baseDir, class="keyword">final String absolutePath) {
 57   
         final String result;
 58   
         final int offset;
 59  90 
         if (baseDir.endsWith("/")) {
 60  20 
             offset = 0;
 61   
         } else {
 62  70 
             offset = 1;
 63   
         }
 64  90 
         if (absolutePath.startsWith(baseDir)) {
 65  80 
             result = toClassName(baseDir.length() + offset, absolutePath);
 66   
         } else {
 67  10 
             result = null;
 68   
         }
 69  90 
         return result;
 70   
     }
 71   
 
 72   
     /**
 73   
      * Returns the expected class name from a class file's absolute path
 74   
      * starting at the offset, or null if the absolutePath does not end with
 75   
      * ".class".
 76   
      *
 77   
      * @param offset
 78   
      *            int
 79   
      * @param path
 80   
      *            String
 81   
      * @return the expected class name, or null
 82   
      */
 83   
     private static String toClassName(final int offset, class="keyword">final String path) {
 84   
         final String result;
 85  190 
         if (path.endsWith(CLASS_EXT)) {
 86  170 
             result = path.substring(offset, path.lastIndexOf(CLASS_EXT)).replace('/', '.');
 87   
         } else {
 88  20 
             result = null;
 89   
         }
 90  190 
         return result;
 91   
     }
 92   
 }

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