THRIFT-588. java: Generated .equals method throws NPE for thrift object

If other is null, then they're not equal.

git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@818998 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/compiler/cpp/src/generate/t_java_generator.cc b/compiler/cpp/src/generate/t_java_generator.cc
index 4166f3c..40f897b 100644 (file)
--- a/compiler/cpp/src/generate/t_java_generator.cc
+++ b/compiler/cpp/src/generate/t_java_generator.cc
@@ -951,7 +951,7 @@ void t_java_generator::generate_union_comparisons(ofstream& out, t_struct* tstru
   out << endl;
 
   indent(out) << "public boolean equals(" << tstruct->get_name() << " other) {" << endl;
-  indent(out) << "  return getSetField() == other.getSetField() && ((value_ instanceof byte[]) ? " << endl;
+  indent(out) << "  return other != null && getSetField() == other.getSetField() && ((value_ instanceof byte[]) ? " << endl;
   indent(out) << "    Arrays.equals((byte[])getFieldValue(), (byte[])other.getFieldValue()) : getFieldValue().equals(other.getFieldValue()));" << endl;
   indent(out) << "}" << endl;
   out << endl;

diff --git a/lib/java/test/org/apache/thrift/test/UnionTest.java b/lib/java/test/org/apache/thrift/test/UnionTest.java
index 85be699..c2c8791 100644 (file)
--- a/lib/java/test/org/apache/thrift/test/UnionTest.java
+++ b/lib/java/test/org/apache/thrift/test/UnionTest.java
@@ -62,6 +62,11 @@ public class UnionTest {
       // sweet
     }
 
+    union = TestUnion.i32_field(1);
+    
+    if (union.equals((TestUnion)null)) {
+      throw new RuntimeException("uh oh, union.equals(null)!");
+    }
   }