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HADOOP-11309. System class pattern package.Foo should match package.Foo$Bar, too. Contributed by Gera Shegalov

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This commit is contained in:
Jason Lowe 2014-11-18 17:22:21 +00:00
parent 7250b0bf91
commit b4ca727690
3 changed files with 29 additions and 11 deletions
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3
hadoop-common-project/hadoop-common/CHANGES.txt
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@ -447,6 +447,9 @@ Release 2.7.0 - UNRELEASED
HADOOP-11311. Restrict uppercase key names from being created with JCEKS.
(wang)
HADOOP-11309. System class pattern package.Foo should match
package.Foo$Bar, too (Gera Shegalov via jlowe)
Release 2.6.0 - 2014-11-18
INCOMPATIBLE CHANGES

11
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/ApplicationClassLoader.java
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@ -228,10 +228,13 @@ public static boolean isSystemClass(String name, List<String> systemClasses) {
c = c.substring(1);
result = false;
}
if (c.endsWith(".") && canonicalName.startsWith(c)) {
return result;
} else if (canonicalName.equals(c)) {
return result;
if (canonicalName.startsWith(c)) {
if ( c.endsWith(".") // package
|| canonicalName.length() == c.length() // class
|| canonicalName.length() > c.length() // nested
&& canonicalName.charAt(c.length()) == '$' ) {
return result;
}
}
}
}

26
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestApplicationClassLoader.java
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@ -90,15 +90,27 @@ public void testConstructUrlsFromClasspath() throws Exception {
@Test
public void testIsSystemClass() {
assertFalse(isSystemClass("org.example.Foo", null));
assertTrue(isSystemClass("org.example.Foo", classes("org.example.Foo")));
assertTrue(isSystemClass("/org.example.Foo", classes("org.example.Foo")));
assertTrue(isSystemClass("org.example.Foo", classes("org.example.")));
assertTrue(isSystemClass("net.example.Foo",
testIsSystemClassInternal("");
}
@Test
public void testIsSystemNestedClass() {
testIsSystemClassInternal("$Klass");
}
private void testIsSystemClassInternal(String nestedClass) {
assertFalse(isSystemClass("org.example.Foo" + nestedClass, null));
assertTrue(isSystemClass("org.example.Foo" + nestedClass,
classes("org.example.Foo")));
assertTrue(isSystemClass("/org.example.Foo" + nestedClass,
classes("org.example.Foo")));
assertTrue(isSystemClass("org.example.Foo" + nestedClass,
classes("org.example.")));
assertTrue(isSystemClass("net.example.Foo" + nestedClass,
classes("org.example.,net.example.")));
assertFalse(isSystemClass("org.example.Foo",
assertFalse(isSystemClass("org.example.Foo" + nestedClass,
classes("-org.example.Foo,org.example.")));
assertTrue(isSystemClass("org.example.Bar",
assertTrue(isSystemClass("org.example.Bar" + nestedClass,
classes("-org.example.Foo.,org.example.")));
}