/*
* Copyright 2016 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.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.gradle.internal.remote.internal.hub;
import org.gradle.internal.serialize.Decoder;
import org.gradle.internal.serialize.Encoder;
import org.gradle.internal.serialize.Serializer;
import org.gradle.internal.serialize.SerializerRegistry;
import java.util.List;
class DefaultMethodArgsSerializer implements MethodArgsSerializer {
private static final Object[] ZERO_ARGS = new Object[0];
private final List<SerializerRegistry> serializerRegistries;
private final MethodArgsSerializer defaultArgsSerializer;
public DefaultMethodArgsSerializer(List<SerializerRegistry> serializerRegistries, MethodArgsSerializer defaultArgsSerializer) {
this.serializerRegistries = serializerRegistries;
this.defaultArgsSerializer = defaultArgsSerializer;
}
@Override
public Serializer<Object[]> forTypes(Class<?>[] types) {
if (types.length == 0) {
return new EmptyArraySerializer();
}
SerializerRegistry selected = null;
for (SerializerRegistry serializerRegistry : serializerRegistries) {
if (serializerRegistry.canSerialize(types[0])) {
selected = serializerRegistry;
break;
}
}
if (selected == null) {
return defaultArgsSerializer.forTypes(types);
}
final Serializer<Object>[] serializers = new Serializer[types.length];
for (int i = 0; i < types.length; i++) {
Class<?> type = types[i];
serializers[i] = (Serializer<Object>) selected.build(type);
}
return new ArraySerializer(serializers);
}
private static class ArraySerializer implements Serializer<Object[]> {
private final Serializer<Object>[] serializers;
ArraySerializer(Serializer<Object>[] serializers) {
this.serializers = serializers;
}
@Override
public Object[] read(Decoder decoder) throws Exception {
Object[] result = new Object[serializers.length];
for (int i = 0; i < serializers.length; i++) {
result[i] = serializers[i].read(decoder);
}
return result;
}
@Override
public void write(Encoder encoder, Object[] value) throws Exception {
for (int i = 0; i < value.length; i++) {
serializers[i].write(encoder, value[i]);
}
}
}
private class EmptyArraySerializer implements Serializer<Object[]> {
@Override
public Object[] read(Decoder decoder) {
return ZERO_ARGS;
}
@Override
public void write(Encoder encoder, Object[] value) {
}
}
}