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code review fixes. Moved getFirstArgument() method from $Gson$Types to GsonTypesTest.

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This commit is contained in:
Inderjeet Singh 2014-05-19 17:34:25 +00:00
parent b373c20136
commit 14ba59fa88
4 changed files with 26 additions and 24 deletions
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16
gson/src/main/java/com/google/gson/internal/$Gson$Types.java
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@ -391,22 +391,6 @@ public final class $Gson$Types {
}
}
/**
* Given a parameterized type A<B,C>, returns B. If the specified type is not
* a generic type, returns null.
*/
public static Type getFirstTypeArgument(Type type) {
try {
if (!(type instanceof ParameterizedType)) return null;
ParameterizedType ptype = (ParameterizedType) type;
Type[] actualTypeArguments = ptype.getActualTypeArguments();
if (actualTypeArguments.length == 0) return null;
return canonicalize(actualTypeArguments[0]);
} catch (Exception e) {
return null;
}
}
static Type resolveTypeVariable(Type context, Class<?> contextRawType, TypeVariable<?> unknown) {
Class<?> declaredByRaw = declaringClassOf(unknown);

4
gson/src/main/java/com/google/gson/internal/LinkedHashTreeMap.java
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@ -788,7 +788,7 @@ public final class LinkedHashTreeMap<K, V> extends AbstractMap<K, V> implements
}
}
class EntrySet extends AbstractSet<Entry<K, V>> {
final class EntrySet extends AbstractSet<Entry<K, V>> {
@Override public int size() {
return size;
}
@ -823,7 +823,7 @@ public final class LinkedHashTreeMap<K, V> extends AbstractMap<K, V> implements
}
}
class KeySet extends AbstractSet<K> {
final class KeySet extends AbstractSet<K> {
@Override public int size() {
return size;
}

2
gson/src/main/java/com/google/gson/internal/LinkedTreeMap.java
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@ -589,7 +589,7 @@ public final class LinkedTreeMap<K, V> extends AbstractMap<K, V> implements Seri
}
}
class KeySet extends AbstractSet<K> {
final class KeySet extends AbstractSet<K> {
@Override public int size() {
return size;
}

28
gson/src/test/java/com/google/gson/internal/GsonTypesTest.java
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@ -16,6 +16,7 @@
package com.google.gson.internal;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.util.List;
@ -26,11 +27,11 @@ public final class GsonTypesTest extends TestCase {
public void testNewParameterizedTypeWithoutOwner() {
// List<A>. List is a top-level class
Type type = $Gson$Types.newParameterizedTypeWithOwner(null, List.class, A.class);
assertEquals(A.class, $Gson$Types.getFirstTypeArgument(type));
assertEquals(A.class, getFirstTypeArgument(type));
// A<B>. A is a static inner class.
type = $Gson$Types.newParameterizedTypeWithOwner(null, A.class, B.class);
assertEquals(B.class, $Gson$Types.getFirstTypeArgument(type));
assertEquals(B.class, getFirstTypeArgument(type));
final class D {
}
@ -41,14 +42,14 @@ public final class GsonTypesTest extends TestCase {
// A<D> is allowed.
type = $Gson$Types.newParameterizedTypeWithOwner(null, A.class, D.class);
assertEquals(D.class, $Gson$Types.getFirstTypeArgument(type));
assertEquals(D.class, getFirstTypeArgument(type));
}
public void testGetFirstTypeArgument() {
assertNull($Gson$Types.getFirstTypeArgument(A.class));
assertNull(getFirstTypeArgument(A.class));
Type type = $Gson$Types.newParameterizedTypeWithOwner(null, A.class, B.class, C.class);
assertEquals(B.class, $Gson$Types.getFirstTypeArgument(type));
assertEquals(B.class, getFirstTypeArgument(type));
}
private static final class A {
@ -57,4 +58,21 @@ public final class GsonTypesTest extends TestCase {
}
private static final class C {
}
/**
* Given a parameterized type A&lt;B,C&gt;, returns B. If the specified type is not
* a generic type, returns null.
*/
public static Type getFirstTypeArgument(Type type) {
try {
if (!(type instanceof ParameterizedType)) return null;
ParameterizedType ptype = (ParameterizedType) type;
Type[] actualTypeArguments = ptype.getActualTypeArguments();
if (actualTypeArguments.length == 0) return null;
return $Gson$Types.canonicalize(actualTypeArguments[0]);
} catch (Exception e) {
return null;
}
}
}