OPWNJPA-1191

Adding messages exceptions thrown by TupleImpl

git-svn-id: https://svn.apache.org/repos/asf/openjpa/trunk@796854 13f79535-47bb-0310-9956-ffa450edef68

openjpa-persistence/src/main/java/org/apache/openjpa/persistence/TupleImpl.java

@@ -25,7 +25,11 @@ import java.util.List;
 import javax.persistence.Tuple;
 import javax.persistence.TupleElement;
 
+import org.apache.openjpa.kernel.ExpressionStoreQuery;
+import org.apache.openjpa.lib.util.Localizer;
+
 public class TupleImpl implements Tuple {
+    private static final Localizer _loc = Localizer.forPackage(TupleImpl.class);
     List<TupleElement<?>> elements = new ArrayList<TupleElement<?>>();
 
     /**
@@ -39,9 +43,10 @@ public class TupleImpl implements Tuple {
      */
     public <X> X get(TupleElement<X> tupleElement) {
         if (!elements.contains(tupleElement)) {
-            throw new IllegalArgumentException("tupleElement was not found in this tuple"); // TODO MDD improve
+            throw new IllegalArgumentException(_loc.get(
+                "tuple-element-not-found",
+                new Object[] { tupleElement, elements }).getMessage());
         }
-
         TupleElementImpl<X> impl = (TupleElementImpl<X>) tupleElement;
         return impl.getValue();
     }
@@ -61,13 +66,13 @@ public class TupleImpl implements Tuple {
     @SuppressWarnings("unchecked")
     public <X> X get(String alias, Class<X> type) {
         if (type == null) {
-            throw new IllegalArgumentException("Type was null");
+            throw new IllegalArgumentException(_loc.get("tuple-was-null", "type").getMessage());
         }
         Object rval = get(alias);
         if (!type.isAssignableFrom(rval.getClass())) {
-            throw new IllegalArgumentException(String.format(
-                "TupleElement type did not match for alias: %s. Provided type: %s actual type: %s", alias, type, rval
-                    .getClass().toString()));
+            throw new IllegalArgumentException(_loc.get(
+                "tuple-element-wrong-type",
+                new Object[] { alias, type, rval.getClass() }).getMessage());
         }
         return (X) rval;
     }
@@ -83,14 +88,21 @@ public class TupleImpl implements Tuple {
      */
     public Object get(String alias) {
         if (alias == null) {
-            throw new IllegalArgumentException(String.format("Alias was null."));
+            // TODO MDD determine if we can support this. 
+            throw new IllegalArgumentException(_loc.get("typle-was-null", "alias").getMessage());
         }
         for (TupleElement<?> te : elements) {
             if (alias.equals(te.getAlias())) {
                 return ((TupleElementImpl<?>) te).getValue();
             }
         }
-        throw new IllegalArgumentException(String.format("Alias %s was not found.", alias));
+
+        List<String> knownAliases = new ArrayList<String>();
+        for(TupleElement<?> te : elements) { 
+            knownAliases.add(te.getAlias());
+        }
+        throw new IllegalArgumentException(_loc.get("tuple-alias-not-found",
+            new Object[] { alias, knownAliases }).getMessage());
     }
 
     /**
@@ -107,13 +119,13 @@ public class TupleImpl implements Tuple {
     @SuppressWarnings("unchecked")
     public <X> X get(int i, Class<X> type) {
         if (type == null) {
-            throw new IllegalArgumentException("Type was null");
+            throw new IllegalArgumentException(_loc.get("tuple-was-null", "type").getMessage());
         }
         Object rval = get(i);
         if(! type.isAssignableFrom(rval.getClass())) { 
-                throw new IllegalArgumentException(String.format(
-                    "Type did not match for position: %d. Provided type: %s actual type: %s", i, type.getClass(),
-                    rval.getClass()));
+            throw new IllegalArgumentException(_loc.get(
+                "tuple-element-wrong-type",
+                new Object[] { "position", i, type, type.getClass() }).getMessage());
         }
         return (X) rval;
     }
@@ -129,11 +141,11 @@ public class TupleImpl implements Tuple {
      */
     public Object get(int i) {
         if (i > elements.size()) {
-            throw new IllegalArgumentException(String.format(
-                "Attempt to read TupleElement %d when there are only %d elements available", i, elements.size()));
+            throw new IllegalArgumentException(_loc.get("tuple-exceeded-size",
+                new Object[] { i, elements.size() }).getMessage());
         }
-        if (i == -1) {
-            throw new IllegalArgumentException("Cannot obtain the -1th element in this tuple. Thank you for playing");
+        if (i <= -1) {
+            throw new IllegalArgumentException(_loc.get("tuple-stop-thinking-in-python").getMessage());
         }
         return toArray()[i];
     }

openjpa-persistence/src/main/resources/org/apache/openjpa/persistence/localizer.properties

@@ -198,4 +198,9 @@ dynamic-agent: OpenJPA dynamically loaded the class enhancer. Any classes \
     loaded by the JVM.
 vlem-creation-info: OpenJPA dynamically loaded a validation provider.
 no-embeddable-metadata: Unable to load metadata for embeddable class "{0}".
-
+tuple-element-not-found: TupleElement "{0}" "{1}"  was not found in this Tuple. Contents of the Tuple: {2}.
+tuple-was-null: Input argument {0} was null. Unable to proceed.
+tuple-element-wrong-type: TupleElement type did not match for {0} "{1}". Provided type "{2}" , actual type "{3}"
+tuple-alias-not-found: Alias "{0}" was not found in this tuple. Aliases found : "{1}"
+tuple-exceeded-size : Attempt to read TupleElement {0} when there are only {1} elements available
+tuple-stop-thinking-in-python: Currently we do not support negative indexes into a Tuple. 

openjpa-persistence/src/test/java/org/apache/openjpa/persistence/TestTupleImpl.java

@@ -21,10 +21,11 @@ package org.apache.openjpa.persistence;
 
 import java.util.List;
 
-import javax.persistence.Entity;
 import javax.persistence.Tuple;
 import javax.persistence.TupleElement;
 
+import org.apache.openjpa.lib.util.Localizer;
+
 import junit.framework.TestCase;
 
 /**