| // Copyright 2018 The Bazel Authors. All rights reserved. |
| // |
| // 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 com.google.devtools.build.lib.skyframe.serialization; |
| |
| import com.google.protobuf.CodedInputStream; |
| import com.google.protobuf.CodedOutputStream; |
| import java.io.IOException; |
| import java.lang.reflect.Method; |
| import java.util.Arrays; |
| |
| /** {@link ObjectCodec} for {@link Method}. */ |
| class MethodCodec implements ObjectCodec<Method> { |
| @Override |
| public Class<Method> getEncodedClass() { |
| return Method.class; |
| } |
| |
| @Override |
| public void serialize(SerializationContext context, Method obj, CodedOutputStream codedOut) |
| throws SerializationException, IOException { |
| context.serialize(obj.getDeclaringClass(), codedOut); |
| context.serialize(obj.getName(), codedOut); |
| Class<?>[] parameterTypes = obj.getParameterTypes(); |
| codedOut.writeInt32NoTag(parameterTypes.length); |
| for (Class<?> parameter : parameterTypes) { |
| context.serialize(parameter, codedOut); |
| } |
| } |
| |
| @Override |
| public Method deserialize(DeserializationContext context, CodedInputStream codedIn) |
| throws SerializationException, IOException { |
| Class<?> clazz = context.deserialize(codedIn); |
| String name = context.deserialize(codedIn); |
| |
| Class<?>[] parameters = new Class<?>[codedIn.readInt32()]; |
| for (int i = 0; i < parameters.length; i++) { |
| parameters[i] = context.deserialize(codedIn); |
| } |
| try { |
| return clazz.getDeclaredMethod(name, parameters); |
| } catch (NoSuchMethodException e) { |
| throw new SerializationException( |
| "Couldn't get method " |
| + name |
| + " in " |
| + clazz |
| + " with parameters " |
| + Arrays.toString(parameters), |
| e); |
| } |
| } |
| } |