svn commit: r438640 - /jakarta/bcel/trunk/src/main/java/org/apache/bcel/generic/InstructionList.java

Author: dbrosius
Date: Wed Aug 30 14:34:41 2006
New Revision: 438640

URL: http://svn.apache.org/viewvc?rev=438640&view=rev
Log:
make sure instruction list iterator throws NoSuchElementException when the end of the list is done and a call to next() is made, and not NullPointerException

Modified:
    jakarta/bcel/trunk/src/main/java/org/apache/bcel/generic/InstructionList.java

Modified: jakarta/bcel/trunk/src/main/java/org/apache/bcel/generic/InstructionList.java
URL: http://svn.apache.org/viewvc/jakarta/bcel/trunk/src/main/java/org/apache/bcel/generic/InstructionList.java?rev=438640&r1=438639&r2=438640&view=diff
==============================================================================
--- jakarta/bcel/trunk/src/main/java/org/apache/bcel/generic/InstructionList.java (original)
+++ jakarta/bcel/trunk/src/main/java/org/apache/bcel/generic/InstructionList.java Wed Aug 30 14:34:41 2006
@@ -25,6 +25,8 @@
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
+import java.util.NoSuchElementException;
+
 import org.apache.bcel.Constants;
 import org.apache.bcel.classfile.Constant;
 import org.apache.bcel.util.ByteSequence;
@@ -991,7 +993,9 @@
             private InstructionHandle ih = start;
 
 
-            public Object next() {
+            public Object next() throws NoSuchElementException {
+            	if (ih == null)
+            		throw new NoSuchElementException();
                 InstructionHandle i = ih;
                 ih = ih.next;
                 return i;