Line data    Source code

       1             : // Copyright (C) 2021 The Android Open Source Project
       2             : //
       3             : // Licensed under the Apache License, Version 2.0 (the "License");
       4             : // you may not use this file except in compliance with the License.
       5             : // You may obtain a copy of the License at
       6             : //
       7             : // http://www.apache.org/licenses/LICENSE-2.0
       8             : //
       9             : // Unless required by applicable law or agreed to in writing, software
      10             : // distributed under the License is distributed on an "AS IS" BASIS,
      11             : // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      12             : // See the License for the specific language governing permissions and
      13             : // limitations under the License.
      14             : 
      15             : package com.google.gerrit.entities;
      16             : 
      17             : import com.google.auto.value.AutoValue;
      18             : import com.google.common.base.Strings;
      19             : import com.google.gerrit.common.Nullable;
      20             : import com.google.gson.Gson;
      21             : import com.google.gson.TypeAdapter;
      22             : import java.util.Optional;
      23             : 
      24             : /** Describe a applicability, blocking or override expression of a {@link SubmitRequirement}. */
      25             : @AutoValue
      26         104 : public abstract class SubmitRequirementExpression {
      27             : 
      28             :   public static SubmitRequirementExpression create(String expression) {
      29         104 :     return new AutoValue_SubmitRequirementExpression(expression);
      30             :   }
      31             : 
      32             :   /**
      33             :    * Creates a new {@link SubmitRequirementExpression}.
      34             :    *
      35             :    * @param expression String representation of the expression
      36             :    * @return empty {@link Optional} if the input expression is null or empty, or an Optional
      37             :    *     containing the expression otherwise.
      38             :    */
      39             :   public static Optional<SubmitRequirementExpression> of(@Nullable String expression) {
      40           7 :     return Optional.ofNullable(Strings.emptyToNull(expression))
      41           7 :         .map(SubmitRequirementExpression::create);
      42             :   }
      43             : 
      44             :   /** Returns the underlying String representing this {@link SubmitRequirementExpression}. */
      45             :   public abstract String expressionString();
      46             : 
      47             :   public static TypeAdapter<SubmitRequirementExpression> typeAdapter(Gson gson) {
      48           3 :     return new AutoValue_SubmitRequirementExpression.GsonTypeAdapter(gson);
      49             :   }
      50             : 
      51             :   /**
      52             :    * Returns a "submit requirement" expression that requires the maximum vote on the Code-Review
      53             :    * label.
      54             :    */
      55             :   public static SubmitRequirementExpression maxCodeReview() {
      56           3 :     return SubmitRequirementExpression.create(String.format("label:Code-Review=MAX"));
      57             :   }
      58             : }