Changeset 1286

Timestamp:

03/07/09 20:06:15 (3 years ago)

Author:

amandel

Message:

New utility methods.

Location:

trunk

Files:

• src/java/org/jcoderz/commons/util/FileUtils.java (modified) (1 diff)
• src/java/org/jcoderz/commons/util/ObjectUtil.java (modified) (1 diff)
• test/java/org/jcoderz/commons/util/ObjectUtilTest.java (modified) (1 diff)

trunk/src/java/org/jcoderz/commons/util/FileUtils.java

@@ -424 +424 @@
       }
    }
+
+   /**
+    * Creates the given directories.
+    *
+    * @param dirs the directories to be created.
+    * @throws IOException the directories could not be created.
+    * @see File#mkdirs()
+    */
+   public static void mkdirs (File dirs)
+         throws IOException
+   {
+      if (!dirs.exists() || !dirs.isDirectory())
+      {
+         if (!dirs.mkdirs())
+         {
+            throw new IOException("Failed to create directories " + dirs);
+         }
+      }
+   }
+
+   /**
+    * Creates the given directory.
+    *
+    * @param dir the directory to be created.
+    * @throws IOException the directory could not be created.
+    * @see File#mkdir()
+    */
+   public static void mkdir (File dir)
+         throws IOException
+   {
+      if (!dir.exists() || !dir.isDirectory())
+      {
+         if (!dir.mkdir())
+         {
+            throw new IOException("Failed to create directory " + dir);
+         }
+      }
+   }
 }

trunk/src/java/org/jcoderz/commons/util/ObjectUtil.java

@@ -136 +136 @@
       return obj == null ? null : obj.toString();
    }
+
+   /**
+    * Returns the string representation of the object or
+    * an empty string if the object is null.
+    * @param obj the object to be converted or <code>null</code>.
+    * @return the string representation of the object or
+    * an empty string if the object is null.
+    */
+   public static String toStringOrEmpty (Object obj)
+   {
+      return obj == null ? "" : obj.toString();
+   }
 }

trunk/test/java/org/jcoderz/commons/util/ObjectUtilTest.java

@@ -69 +69 @@
             "foo", ObjectUtil.toString("foo"));
    }
+
+   /** Tests the {@link ObjectUtil#toStringOrEmpty(Object)} method. */
+   public void testToStringOrEmpty ()
+   {
+      assertEquals("ObjectUtil.toStringOrEmpty(null) should return \"\".",
+            "", ObjectUtil.toStringOrEmpty(null));
+      assertEquals("ObjectUtil.toStringOrEmpty(\"foo\") should return \"foo\".",
+            "foo", ObjectUtil.toStringOrEmpty("foo"));
+   }
 }