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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.FieldDescriptorProto;
import com.google.protobuf.DescriptorProtos.OneofDescriptorProto;
import com.google.protobuf.Descriptors.FieldDescriptor;

/**
 * OneofDefinition
 */
public class OneofDefinition
{
	// --- public static ---

	public static Builder newBuilder(String oneofName, MessageDefinition.Builder msgBuilder, int oneofIdx) {
		return new Builder(oneofName, msgBuilder, oneofIdx);
	}

	// --- public ---

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

	// --- package ---

	OneofDescriptorProto getOneofType() {
		return mOneofType;
	}
	
	// --- private ---

	private OneofDefinition(OneofDescriptorProto oneofType) {
		mOneofType = oneofType;
	}

	private OneofDescriptorProto mOneofType;

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

		public Builder addField(String type, String name, int num) {
			return addField(type, name, num, null);
		}
		public Builder addField(String type, String name, int num, String defaultVal) {
			//mMsgBuilder.addOneofField(type, name, num, defaultVal, this);
			return this;
		}

		public MessageDefinition.Builder getMessageBuilder() {
			return mMsgBuilder;
		}
		public MessageDefinition.Builder builder() {
			return mMsgBuilder;
		}
		public int getOneofIdx() {
			return mOneofIdx;
		}
		public OneofDefinition build() {
			return new OneofDefinition(mOneofTypeBuilder.build());
		}

		// --- private ---

		private Builder(String oneofName, MessageDefinition.Builder msgBuilder, int oneofIdx) {
			mOneofTypeBuilder = OneofDescriptorProto.newBuilder();
			mOneofTypeBuilder.setName(oneofName);
			mMsgBuilder = msgBuilder;
			mOneofIdx = oneofIdx;
		}

		private OneofDescriptorProto.Builder mOneofTypeBuilder;
		private MessageDefinition.Builder mMsgBuilder;
		private int mOneofIdx;
	}
}