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/*
 * Copyright 2015 protobuf-dynamic developers
 *
 * 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.github.os72.protobuf.dynamic;

import com.google.protobuf.DescriptorProtos.EnumDescriptorProto;
import com.google.protobuf.DescriptorProtos.EnumValueDescriptorProto;

/**
 * EnumDefinition
 */
public class EnumDefinition {
    // --- public static ---

    public static Builder newBuilder(String enumName) {
        return new Builder(enumName);
    }

    // --- public ---

    public String toString() {
        return mEnumType.toString();
    }

    // --- package ---

    EnumDescriptorProto getEnumType() {
        return mEnumType;
    }

    // --- private ---

    private EnumDefinition(EnumDescriptorProto enumType) {
        mEnumType = enumType;
    }

    private EnumDescriptorProto mEnumType;

    /**
     * EnumDefinition.Builder
     */
    public static class Builder {
        // --- public ---

        public Builder addValue(String name, int num) {
            EnumValueDescriptorProto.Builder enumValBuilder = EnumValueDescriptorProto.newBuilder();
            enumValBuilder.setName(name).setNumber(num);
            mEnumTypeBuilder.addValue(enumValBuilder.build());
            return this;
        }

        public EnumDefinition build() {
            return new EnumDefinition(mEnumTypeBuilder.build());
        }

        // --- private ---

        private Builder(String enumName) {
            mEnumTypeBuilder = EnumDescriptorProto.newBuilder();
            mEnumTypeBuilder.setName(enumName);
        }

        private EnumDescriptorProto.Builder mEnumTypeBuilder;
    }
}