[CIShell-SVN] SF.net SVN: cishell:[965] trunk/core/org.cishell.utilities/src/org/cishell/ utilities

[<pat...@us...>]

Revision: 965
          http://cishell.svn.sourceforge.net/cishell/?rev=965&view=rev
Author:   pataphil
Date:     2009-10-16 19:02:20 +0000 (Fri, 16 Oct 2009)

Log Message:
-----------
* Added StringUtilities.interpretObjectAsString and StringUtilities.isEmptyOrWhiteSpace.
* Reviewed by Joseph.

Modified Paths:
--------------
    trunk/core/org.cishell.utilities/src/org/cishell/utilities/DateUtilities.java
    trunk/core/org.cishell.utilities/src/org/cishell/utilities/StringUtilities.java

Modified: trunk/core/org.cishell.utilities/src/org/cishell/utilities/DateUtilities.java
===================================================================
--- trunk/core/org.cishell.utilities/src/org/cishell/utilities/DateUtilities.java	2009-10-14 21:27:55 UTC (rev 964)
+++ trunk/core/org.cishell.utilities/src/org/cishell/utilities/DateUtilities.java	2009-10-16 19:02:20 UTC (rev 965)
@@ -82,7 +82,7 @@
 													  endDate.getMonth(),
 													  endDate.getDate());
 		
-		return (int)startDateCalendar.diffDayPeriods(endDateCalendar);
+		return (int) startDateCalendar.diffDayPeriods(endDateCalendar);
 	}
 	
 	public static int calculateMonthsBetween(Date startDate, Date endDate) {

Modified: trunk/core/org.cishell.utilities/src/org/cishell/utilities/StringUtilities.java
===================================================================
--- trunk/core/org.cishell.utilities/src/org/cishell/utilities/StringUtilities.java	2009-10-14 21:27:55 UTC (rev 964)
+++ trunk/core/org.cishell.utilities/src/org/cishell/utilities/StringUtilities.java	2009-10-16 19:02:20 UTC (rev 965)
@@ -61,4 +61,33 @@
 		
 		return (String[])filteredStrings.toArray(new String[0]);
 	}
+	
+	/*
+	 * This method is really meant to simplify working with Prefuse tables.
+	 * Prefuse table columns are typed.  If a column contains a null cell,
+	 *  Prefuse types that column as an array type, and it then represents
+	 *  null values with arrays of length 0.
+	 */
+	public static String interpretObjectAsString(Object object) {
+		if (object == null) {
+			return null;
+		} else if (object instanceof String[]) {
+			String[] objectAsStringArray = (String[])object;
+			
+			if (objectAsStringArray.length == 0) {
+				return null;
+			} else {
+				return objectAsStringArray[0];
+			}
+		} else {
+			return object.toString();
+		}
+	}
+	
+	// TODO Think about instead using a Pattern, "\s*".  Don't have to though.
+	public static boolean isEmptyOrWhiteSpace(String test) {
+		String trimmed = test.trim();
+		
+		return (trimmed.length() == 0);
+	}
 }


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