org.springframework.cloud.env.EnvironmentUtils Maven / Gradle / Ivy
/*
* Copyright 2012-2019 the original author or authors.
*
* 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
*
* https://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 org.springframework.cloud.env;
import java.util.Collections;
import java.util.Map;
import org.springframework.boot.context.properties.bind.Bindable;
import org.springframework.boot.context.properties.bind.Binder;
import org.springframework.core.env.Environment;
/**
* @author Spencer Gibb
*/
public final class EnvironmentUtils {
private EnvironmentUtils() {
throw new IllegalStateException("Can't instantiate a utility class");
}
public static Map getSubProperties(Environment environment,
String keyPrefix) {
return Binder.get(environment)
.bind(keyPrefix, Bindable.mapOf(String.class, String.class))
.orElseGet(Collections::emptyMap);
}
}