com.netflix.archaius.api.Decoder Maven / Gradle / Ivy

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/**
 * Copyright 2015 Netflix, Inc.
 *
 * 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.netflix.archaius.api;

import java.lang.reflect.Type;

/**
 * API for decoding properties to arbitrary types.
 *
 * @implSpec Implementations of this interface MUST be idempotent. Failing to do so will result in correctness errors.
 *    Implementations of this interface SHOULD also be cheap to execute. Expensive or blocking operations are to be
 *    avoided since they can potentially cause large delays in property resolution.
 * @author spencergibb
 */
public interface Decoder {
	@Deprecated
	 T decode(Class type, String encoded);

	default  T decode(Type type, String value) {
		if (type instanceof Class) {
			return decode((Class)type, value);
		} else {
			throw new UnsupportedOperationException("This decoder " + getClass() + " does not support Type");
		}
	}

}