| // Copyright (C) 2016 The Android Open Source Project |
| // |
| // 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.gerrit.common; |
| |
| import java.lang.reflect.Field; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Objects; |
| |
| /* A data container, all fields considered in equals and hash */ |
| public class Container { |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (o == null || getClass() != o.getClass()) { |
| return false; |
| } |
| |
| try { |
| for (Field field : getClass().getDeclaredFields()) { |
| field.setAccessible(true); |
| if (!Objects.deepEquals(field.get(this), field.get(o))) { |
| return false; |
| } |
| } |
| } catch (IllegalArgumentException | IllegalAccessException e) { |
| throw new RuntimeException(); |
| } |
| return true; |
| } |
| |
| @Override |
| public int hashCode() { |
| List<Object> values = new ArrayList<>(); |
| try { |
| for (Field field : getClass().getDeclaredFields()) { |
| field.setAccessible(true); |
| values.add(field.get(this)); |
| } |
| } catch (IllegalArgumentException | IllegalAccessException e) { |
| } |
| return Objects.hash(values); |
| } |
| |
| @Override |
| public String toString() { |
| List<String> fieldStrings = new ArrayList<>(); |
| try { |
| for (Field field : getClass().getDeclaredFields()) { |
| field.setAccessible(true); |
| fieldStrings.add(field.getName() + ": " + Objects.toString(field.get(this))); |
| } |
| } catch (IllegalArgumentException | IllegalAccessException e) { |
| } |
| String fields = String.join(", ", fieldStrings); |
| if (!"".equals(fields)) { |
| fields = "{" + fields + "}"; |
| } |
| return getClass().toString() + fields; |
| } |
| } |