java: no need to check for null before calling instanceof

the instanceof check returns false when passed a null value

Change-Id: I7742d0d9cf25ef23d9adee7328f701c7efeea8b5

javaunohelper/test/com/sun/star/lib/uno/helper/PropertySet_Test.java

@@ -1603,7 +1603,7 @@ class util
     static boolean isVoidAny(Object obj)
     {
         boolean ret= false;
-        if( obj != null && obj instanceof Any)
+        if(obj instanceof Any)
         {
             Any a= (Any) obj;
             if( a.getType().getTypeClass().equals( TypeClass.INTERFACE)

jurt/com/sun/star/comp/loader/JavaLoader.java

@@ -323,7 +323,7 @@ public class JavaLoader implements XImplementationLoader,
         try {
             if (null != compfac_method) {
                 Object ret = compfac_method.invoke( clazz, new Object [] { implementationName } );
-                if (null == ret || !(ret instanceof XSingleComponentFactory))
+                if (!(ret instanceof XSingleComponentFactory))
                     throw new CannotActivateFactoryException(
                         "No factory object for " + implementationName );
 

qadevOOo/runner/lib/Parameters.java

@@ -71,7 +71,7 @@ public class Parameters implements XPropertySet {
     public String get(String paramName) {
         Object res = parameters.get(paramName);
 
-        if (res != null && res instanceof String)
+        if (res instanceof String)
             return (String)res;
 
         if (defaults != null)

qadevOOo/runner/util/SysUtils.java

@@ -61,7 +61,7 @@ public class SysUtils {
     for (int i = 0; i < dfs.length; i++) {
         if (dfs[i].MimeType.startsWith("text/plain")) {
             Object data = xTrans.getTransferData(dfs[i]);
-            if (data != null && data instanceof String) {
+            if (data instanceof String) {
                 return (String) data;
             }
         }

qadevOOo/tests/java/ifc/sheet/_XCellRangesQuery.java

@@ -95,7 +95,7 @@ public class _XCellRangesQuery extends MultiMethodTest {
         // and the environment has to be disposed: this is necessary for objects
         // that do not make entries on the sheet themselves
         Object o = tEnv.getObjRelation("XCellRangesQuery.CREATEENTRIES");
-        if (o != null && o instanceof Boolean) {
+        if (o instanceof Boolean) {
             bMakeEntriesAndDispose = ((Boolean)o).booleanValue();
         }
         if(bMakeEntriesAndDispose) {

toolkit/test/accessibility/AccessibilityTreeModelBase.java

@@ -52,7 +52,7 @@ public class AccessibilityTreeModelBase
         Object aChild = null;
         try
         {
-            if (aParent != null && aParent instanceof AccessibleTreeNode)
+            if (aParent instanceof AccessibleTreeNode)
                 aChild = ((AccessibleTreeNode)aParent).getChild(nIndex);
             else
                 System.out.println ("getChild called for unknown parent node");
@@ -69,7 +69,7 @@ public class AccessibilityTreeModelBase
         Object aChild = null;
         try
         {
-            if (aParent != null && aParent instanceof AccessibleTreeNode)
+            if (aParent instanceof AccessibleTreeNode)
                 aChild = ((AccessibleTreeNode)aParent).getChildNoCreate(nIndex);
             else
                 System.out.println ("getChild called for unknown parent node");