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Fix primitive wrapping and casting.

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Issue: 235
This commit is contained in:
Jesse Wilson 2010-11-01 22:36:30 +00:00
parent d0977c2e3a
commit 20d895ff95
2 changed files with 17 additions and 10 deletions
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15
gson/src/main/java/com/google/gson/Gson.java
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@ -392,8 +392,9 @@ public final class Gson {
*/
@SuppressWarnings("unchecked")
public <T> T fromJson(String json, Class<T> classOfT) throws JsonParseException {
T target = (T) fromJson(json, (Type) classOfT);
return target;
Class<T> wrapped = Primitives.wrap(classOfT);
Object object = fromJson(json, (Type) wrapped);
return wrapped.cast(object);
}
/**
@ -442,8 +443,9 @@ public final class Gson {
* @since 1.2
*/
public <T> T fromJson(Reader json, Class<T> classOfT) throws JsonParseException {
T target = classOfT.cast(fromJson(new JsonReader(json), classOfT));
return target;
Class<T> wrapped = Primitives.wrap(classOfT);
Object object = fromJson(new JsonReader(json), wrapped);
return wrapped.cast(object);
}
/**
@ -501,8 +503,9 @@ public final class Gson {
* @since 1.3
*/
public <T> T fromJson(JsonElement json, Class<T> classOfT) throws JsonParseException {
T target = classOfT.cast(fromJson(json, (Type) classOfT));
return target;
Class<T> wrapped = Primitives.wrap(classOfT);
Object object = fromJson(json, (Type) wrapped);
return wrapped.cast(object);
}
/**

12
gson/src/test/java/com/google/gson/functional/PrimitiveTest.java
View File

@ -16,15 +16,13 @@
package com.google.gson.functional;
import java.io.StringReader;
import java.math.BigDecimal;
import java.math.BigInteger;
import com.google.gson.*;
import junit.framework.TestCase;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonParseException;
import com.google.gson.LongSerializationPolicy;
import com.google.gson.common.TestTypes.CrazyLongTypeAdapter;
/**
@ -578,4 +576,10 @@ public class PrimitiveTest extends TestCase {
private static class ClassWithIntegerField {
Integer i;
}
public void testPrimitiveClassLiteral() {
assertEquals(1, gson.fromJson("1", int.class).intValue());
assertEquals(1, gson.fromJson(new StringReader("1"), int.class).intValue());
assertEquals(1, gson.fromJson(new JsonPrimitive(1), int.class).intValue());
}
}