dodane metody do MultiException

src/main/java/net/ranides/assira/trace/MultiException.java

@@ -9,6 +9,8 @@ package net.ranides.assira.trace;
 import java.io.PrintStream;
 import java.io.PrintWriter;
 import java.util.Collection;
+import java.util.Collections;
+import java.util.Iterator;
 import java.util.LinkedList;
 import java.util.List;
 
@@ -16,7 +18,7 @@ import java.util.List;
  *
  * @author ranides
  */
-public class MultiException extends RuntimeException {
+public class MultiException extends RuntimeException implements Iterable<Throwable> {
 
     private List<Throwable> causeList;
     
@@ -34,7 +36,20 @@ public class MultiException extends RuntimeException {
         super(message);
         this.causeList = null;
     }
-
+    
+    @Override
+    public Iterator<Throwable> iterator() {
+        if( causeList == null) {
+            return Collections.<Throwable>emptyList().iterator();
+        } else {
+            return causeList.iterator();
+        }
+    }
+    
+    public List<Throwable> getCauseList() {
+        return causeList;
+    }
+    
     public Throwable getCause(int index) {
         if(null != causeList && index>=0 && index < causeList.size()) {
             return causeList.get(index);
@@ -49,8 +64,6 @@ public class MultiException extends RuntimeException {
         }
         causeList.add(cause);
     }
-    
-    
 
     @Override
     public void printStackTrace(PrintStream stream) {
@@ -86,8 +99,4 @@ public class MultiException extends RuntimeException {
         }
     }
     
-    
-    
-    
-    
 }