org.springframework.boot.origin.SystemEnvironmentOrigin Maven / Gradle / Ivy
/*
* Copyright 2012-2018 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.boot.origin;
import org.springframework.util.Assert;
import org.springframework.util.ObjectUtils;
/**
* {@link Origin} for an item loaded from the system environment. Provides access to the
* original property name.
*
* @author Madhura Bhave
* @since 2.0.0
*/
public class SystemEnvironmentOrigin implements Origin {
private final String property;
public SystemEnvironmentOrigin(String property) {
Assert.notNull(property, "Property name must not be null");
Assert.hasText(property, "Property name must not be empty");
this.property = property;
}
public String getProperty() {
return this.property;
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null || getClass() != obj.getClass()) {
return false;
}
SystemEnvironmentOrigin other = (SystemEnvironmentOrigin) obj;
return ObjectUtils.nullSafeEquals(this.property, other.property);
}
@Override
public int hashCode() {
return ObjectUtils.nullSafeHashCode(this.property);
}
@Override
public String toString() {
return "System Environment Property \"" + this.property + "\"";
}
}