Internal refactoring

Author: garydgregory

src/main/java/org/apache/commons/io/build/AbstractOrigin.java

@@ -525,7 +525,7 @@ public CharSequence getCharSequence(final Charset charset) throws IOException {
      */
     public File getFile() {
         throw new UnsupportedOperationException(
-                String.format("%s#getFile() for %s origin %s", getClass().getSimpleName(), origin.getClass().getSimpleName(), origin));
+                String.format("%s#getFile() for %s origin %s", getSimpleName(), origin.getClass().getSimpleName(), origin));
     }
 
     /**
@@ -560,7 +560,7 @@ public OutputStream getOutputStream(final OpenOption... options) throws IOExcept
      */
     public Path getPath() {
         throw new UnsupportedOperationException(
-                String.format("%s#getPath() for %s origin %s", getClass().getSimpleName(), origin.getClass().getSimpleName(), origin));
+                String.format("%s#getPath() for %s origin %s", getSimpleName(), origin.getClass().getSimpleName(), origin));
     }
 
     /**
@@ -574,6 +574,10 @@ public Reader getReader(final Charset charset) throws IOException {
         return Files.newBufferedReader(getPath(), charset);
     }
 
+    private String getSimpleName() {
+        return getClass().getSimpleName();
+    }
+
     /**
      * Gets a new Writer on the origin, buffered by default.
      *
@@ -600,6 +604,6 @@ public long size() throws IOException {
 
     @Override
     public String toString() {
-        return getClass().getSimpleName() + "[" + origin.toString() + "]";
+        return getSimpleName() + "[" + origin.toString() + "]";
     }
 }