SCOUT-19:ServiceBinding.getSpecificationLinks should not return null

git-svn-id: https://svn.apache.org/repos/asf/webservices/scout/branches/v0.7rc2@449801 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/modules/scout/src/java/org/apache/ws/scout/registry/infomodel/ServiceBindingImpl.java b/modules/scout/src/java/org/apache/ws/scout/registry/infomodel/ServiceBindingImpl.java
index 1870ebc..871776d 100644
--- a/modules/scout/src/java/org/apache/ws/scout/registry/infomodel/ServiceBindingImpl.java
+++ b/modules/scout/src/java/org/apache/ws/scout/registry/infomodel/ServiceBindingImpl.java
@@ -35,7 +35,7 @@
  */
 public class ServiceBindingImpl extends RegistryObjectImpl implements ServiceBinding
 {
-    private Collection links = null;
+    private Collection links = new ArrayList();
     private String accessuri = null;
     private Service service = null;
     private ServiceBinding targetbinding = null;
@@ -52,8 +52,7 @@
     }
 
     public void addSpecificationLink(SpecificationLink sl) throws JAXRException
-    {
-        if(links == null) links = new ArrayList();
+    { 
         links.add(sl);
         ((SpecificationLinkImpl)sl).setServiceBinding(this);
     }
@@ -61,8 +60,7 @@
     public void addSpecificationLinks(Collection col) throws JAXRException
     {
         try
-        {
-            if(links == null) links = new ArrayList();
+        { 
             Iterator iter = col.iterator();
             while(iter.hasNext())
             {
@@ -95,14 +93,12 @@
     }
 
     public void removeSpecificationLink(SpecificationLink link) throws JAXRException
-    {
-        if(links == null) links = new ArrayList();
+    { 
         links.remove(link);
     }
 
     public void removeSpecificationLinks(Collection col) throws JAXRException
-    {
-        if(links == null) links = new ArrayList();
+    { 
         links.removeAll(col);
     }