cvs commit: ant/src/main/org/apache/tools/ant/types/selectors SelectorUtils.java

[bo...@apache.org]

bodewig     2003/02/17 06:35:44

  Modified:    src/main/org/apache/tools/ant/types/selectors
                        SelectorUtils.java
  Log:
  Add a Resource version of isOutOfDate
  
  Revision  Changes    Path
  1.9       +30 -0     ant/src/main/org/apache/tools/ant/types/selectors/SelectorUtils.java
  
  Index: SelectorUtils.java
  ===================================================================
  RCS file: /home/cvs/ant/src/main/org/apache/tools/ant/types/selectors/SelectorUtils.java,v
  retrieving revision 1.8
  retrieving revision 1.9
  diff -u -r1.8 -r1.9
  --- SelectorUtils.java	10 Feb 2003 14:14:35 -0000	1.8
  +++ SelectorUtils.java	17 Feb 2003 14:35:44 -0000	1.9
  @@ -58,6 +58,8 @@
   import java.util.StringTokenizer;
   import java.util.Vector;
   
  +import org.apache.tools.ant.types.Resource;
  +
   /**
    * <p>This is a utility class used by selectors and DirectoryScanner. The
    * functionality more properly belongs just to selectors, but unfortunately
  @@ -550,6 +552,34 @@
               return true;
           }
           if ((src.lastModified() - granularity) > target.lastModified()) {
  +            return true;
  +        }
  +        return false;
  +    }
  +
  +    /**
  +     * Returns dependency information on these two resources. If src has been
  +     * modified later than target, it returns true. If target doesn't exist,
  +     * it likewise returns true. Otherwise, target is newer than src and
  +     * is not out of date, thus the method returns false. It also returns
  +     * false if the src file doesn't even exist, since how could the
  +     * target then be out of date.
  +     *
  +     * @param src the original resource
  +     * @param target the resource being compared against
  +     * @param granularity the amount in seconds of slack we will give in
  +     *        determining out of dateness
  +     * @return whether the target is out of date
  +     */
  +    public static boolean isOutOfDate(Resource src, Resource target, 
  +                                      int granularity) {
  +        if (!src.isExists()) {
  +            return false;
  +        }
  +        if (!target.isExists()) {
  +            return true;
  +        }
  +        if ((src.getLastModified() - granularity) > target.getLastModified()) {
               return true;
           }
           return false;