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Fixed bug found in docker provider where deserialization constructors don't handle json null.

This commit is contained in:
Adrian Cole 2014-10-26 11:44:48 -07:00
parent 5b6f1e929e
commit c0e6a2c51c
3 changed files with 39 additions and 29 deletions
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2
core/src/main/java/org/jclouds/json/internal/DeserializationConstructorAndReflectiveTypeAdapterFactory.java
View File

@ -166,7 +166,7 @@ public final class DeserializationConstructorAndReflectiveTypeAdapterFactory imp
empty = false;
String name = in.nextName();
ParameterReader<?> parameter = parameterReaders.get(name);
if (parameter == null) {
if (parameter == null || in.peek() == JsonToken.NULL) {
in.skipValue();
} else {
Object value = parameter.read(in);

5
core/src/main/java/org/jclouds/reflect/Reflection2.java
View File

@ -128,8 +128,8 @@ public class Reflection2 {
}
/**
* This gets all declared constructors, not just public ones. makes them accessible, as well.
* This also includes factory methods on abstract types, defined static methods returning the same type.
* This gets all declared constructors or factory methods on abstract types, not just public ones, and makes them
* accessible.
*/
private static LoadingCache<TypeToken<?>, Set<Invokable<?, ?>>> constructorsForTypeToken = CacheBuilder
.newBuilder().build(new CacheLoader<TypeToken<?>, Set<Invokable<?, ?>>>() {
@ -143,6 +143,7 @@ public class Reflection2 {
if (Modifier.isAbstract(key.getRawType().getModifiers())) {
for (Invokable<?, Object> method : methods(key.getRawType())){
if (method.isStatic() && method.getReturnType().equals(key)) {
method.setAccessible(true);
builder.add(method);
}
}

61
core/src/test/java/org/jclouds/json/JsonTest.java
View File

@ -20,14 +20,17 @@ import static com.google.common.io.BaseEncoding.base16;
import static com.google.common.primitives.Bytes.asList;
import static org.testng.Assert.assertEquals;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import org.jclouds.javax.annotation.Nullable;
import org.jclouds.json.config.GsonModule;
import org.jclouds.json.config.GsonModule.DefaultExclusionStrategy;
import org.testng.annotations.Test;
import com.google.common.base.Objects;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.gson.FieldAttributes;
@ -210,67 +213,73 @@ public class JsonTest {
EnumInsideWithParser.Test.UNRECOGNIZED);
}
private abstract static class SpinalCasedType {
private abstract static class UpperCamelCasedType {
abstract String id();
abstract String contentType();
@Nullable abstract Map<String, String> volumes();
// Currently, this only works for deserialization. Need to set a naming policy for serialization!
@SerializedNames({ "id", "content-type" })
private static SpinalCasedType create(String id, String contentType) {
return new SpinalCasedTypeImpl(id, contentType);
@SerializedNames({ "Id", "Volumes" })
private static UpperCamelCasedType create(String id, Map<String, String> volumes) {
return new UpperCamelCasedTypeImpl(id, volumes);
}
}
public void spinalCaseWithSerializedNames() {
public void upperCamelCaseWithSerializedNames() {
Json json = Guice.createInjector(new GsonModule(), new AbstractModule() {
@Override protected void configure() {
bind(FieldNamingPolicy.class).toInstance(FieldNamingPolicy.LOWER_CASE_WITH_DASHES);
bind(FieldNamingPolicy.class).toInstance(FieldNamingPolicy.UPPER_CAMEL_CASE);
}
}).getInstance(Json.class);
SpinalCasedType resource = SpinalCasedType.create("1234", "application/json");
String spinalJson = "{\"id\":\"1234\",\"content-type\":\"application/json\"}";
UpperCamelCasedType resource = UpperCamelCasedType.create("1234", Collections.<String, String>emptyMap());
String spinalJson = "{\"Id\":\"1234\",\"Volumes\":{}}";
assertEquals(json.toJson(resource), spinalJson);
assertEquals(spinalJson, json.toJson(resource));
assertEquals(json.fromJson(spinalJson, UpperCamelCasedType.class), resource);
}
private static class SpinalCasedTypeImpl extends SpinalCasedType {
private final String id;
private final String contentType;
public void upperCamelCaseWithSerializedNamesNullJsonValue() {
Json json = Guice.createInjector(new GsonModule(), new AbstractModule() {
@Override protected void configure() {
bind(FieldNamingPolicy.class).toInstance(FieldNamingPolicy.UPPER_CAMEL_CASE);
}
}).getInstance(Json.class);
private SpinalCasedTypeImpl(String id, String contentType) {
assertEquals(json.fromJson("{\"Id\":\"1234\",\"Volumes\":null}", UpperCamelCasedType.class),
UpperCamelCasedType.create("1234", null));
}
private static class UpperCamelCasedTypeImpl extends UpperCamelCasedType {
private final String id;
private final Map<String, String> volumes;
private UpperCamelCasedTypeImpl(String id, Map<String, String> volumes) {
this.id = id;
this.contentType = contentType;
this.volumes = volumes;
}
@Override String id() {
return id;
}
@Override String contentType() {
return contentType;
@Override @Nullable Map<String, String> volumes() {
return volumes;
}
@Override public boolean equals(Object o) {
if (o == this) {
return true;
}
if (o instanceof SpinalCasedType) {
SpinalCasedType that = (SpinalCasedType) o;
return (this.id.equals(that.id())) && (this.contentType.equals(that.contentType()));
if (o instanceof UpperCamelCasedType) {
UpperCamelCasedType that = (UpperCamelCasedType) o;
return Objects.equal(this.id, that.id()) && Objects.equal(this.volumes, that.volumes());
}
return false;
}
@Override public int hashCode() {
int h = 1;
h *= 1000003;
h ^= id.hashCode();
h *= 1000003;
h ^= contentType.hashCode();
return h;
return Objects.hashCode(id, volumes);
}
}
}