org.cloudfoundry.identity.uaa.test.NullSafeSystemProfileValueSource.java Source code

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Here is the source code for org.cloudfoundry.identity.uaa.test.NullSafeSystemProfileValueSource.java

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/*
 * Cloud Foundry 2012.02.03 Beta
 * Copyright (c) [2009-2012] VMware, Inc. All Rights Reserved.
 *
 * This product is licensed to you under the Apache License, Version 2.0 (the "License").
 * You may not use this product except in compliance with the License.
 *
 * This product includes a number of subcomponents with
 * separate copyright notices and license terms. Your use of these
 * subcomponents is subject to the terms and conditions of the
 * subcomponent's license, as noted in the LICENSE file.
 */
package org.cloudfoundry.identity.uaa.test;

import org.springframework.test.annotation.ProfileValueSource;
import org.springframework.util.Assert;

/**
 * Simple implementation of {@link ProfileValueSource} that returns an empty String instead of a null value if the
 * property is missing, and otherwise gets it from System properties.
 * 
 * @author Dave Syer
 * 
 */
public class NullSafeSystemProfileValueSource implements ProfileValueSource {

    @Override
    public String get(String key) {
        Assert.hasText(key, "'key' must not be empty");
        return System.getProperty(key, "");
    }

}