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Allow null params as advertised in Constants#toCode*

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Even though the Javadoc for Constants#toCode and #toCodeForSuffix
specifies that a null value for the 'namePrefix' and 'nameSuffix'
parameters are respectively allowed, before this change passing a null
to either would result in a NullPointerException.

This change fixes constant name lookup for null values of these params
as if an empty string had been passed instead. This way of handling a
null value is consistent with the rest of Constants class API.

Issue: SPR-8278
This commit is contained in:
Stevo Slavic
2012-03-13 19:55:12 +01:00
committed by Chris Beams
parent 95e99fe2a3
commit 6ffb0436fa
2 changed files with 22 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files
spring-core/src/test/java/org/springframework/core/ConstantsTests.java
+19 -1
View File
@@ -1,5 +1,5 @@
/*
* Copyright 2002-2007 the original author or authors.
* Copyright 2002-2012 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -148,19 +148,28 @@ public class ConstantsTests extends TestCase {
assertEquals(c.toCode(new Integer(0), "D"), "DOG");
assertEquals(c.toCode(new Integer(0), "DO"), "DOG");
assertEquals(c.toCode(new Integer(0), "DoG"), "DOG");
assertEquals(c.toCode(new Integer(0), null), "DOG");
assertEquals(c.toCode(new Integer(66), ""), "CAT");
assertEquals(c.toCode(new Integer(66), "C"), "CAT");
assertEquals(c.toCode(new Integer(66), "ca"), "CAT");
assertEquals(c.toCode(new Integer(66), "cAt"), "CAT");
assertEquals(c.toCode(new Integer(66), null), "CAT");
assertEquals(c.toCode("", ""), "S1");
assertEquals(c.toCode("", "s"), "S1");
assertEquals(c.toCode("", "s1"), "S1");
assertEquals(c.toCode("", null), "S1");
try {
c.toCode("bogus", "bogus");
fail("Should have thrown ConstantException");
}
catch (ConstantException expected) {
}
try {
c.toCode("bogus", null);
fail("Should have thrown ConstantException");
}
catch (ConstantException expected) {
}
assertEquals(c.toCodeForProperty(new Integer(1), "myProperty"), "MY_PROPERTY_NO");
assertEquals(c.toCodeForProperty(new Integer(2), "myProperty"), "MY_PROPERTY_YES");
@@ -175,19 +184,28 @@ public class ConstantsTests extends TestCase {
assertEquals(c.toCodeForSuffix(new Integer(0), "G"), "DOG");
assertEquals(c.toCodeForSuffix(new Integer(0), "OG"), "DOG");
assertEquals(c.toCodeForSuffix(new Integer(0), "DoG"), "DOG");
assertEquals(c.toCodeForSuffix(new Integer(0), null), "DOG");
assertEquals(c.toCodeForSuffix(new Integer(66), ""), "CAT");
assertEquals(c.toCodeForSuffix(new Integer(66), "T"), "CAT");
assertEquals(c.toCodeForSuffix(new Integer(66), "at"), "CAT");
assertEquals(c.toCodeForSuffix(new Integer(66), "cAt"), "CAT");
assertEquals(c.toCodeForSuffix(new Integer(66), null), "CAT");
assertEquals(c.toCodeForSuffix("", ""), "S1");
assertEquals(c.toCodeForSuffix("", "1"), "S1");
assertEquals(c.toCodeForSuffix("", "s1"), "S1");
assertEquals(c.toCodeForSuffix("", null), "S1");
try {
c.toCodeForSuffix("bogus", "bogus");
fail("Should have thrown ConstantException");
}
catch (ConstantException expected) {
}
try {
c.toCodeForSuffix("bogus", null);
fail("Should have thrown ConstantException");
}
catch (ConstantException expected) {
}
}
public void testGetValuesWithNullPrefix() throws Exception {