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/*
* Copyright 2002-2023 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.mock.env;
import java.util.Properties;
import org.springframework.core.env.PropertiesPropertySource;
import org.springframework.core.env.PropertySource;
/**
* Simple {@link PropertySource} implementation for use in testing. Accepts
* a user-provided {@link Properties} object, or if omitted during construction,
* the implementation will initialize its own.
*
* The {@link #setProperty} and {@link #withProperty} methods are exposed for
* convenience, for example:
*
* {@code
* PropertySource source = new MockPropertySource().withProperty("foo", "bar");
* }
*
*
* @author Chris Beams
* @since 3.1
* @see org.springframework.mock.env.MockEnvironment
*/
public class MockPropertySource extends PropertiesPropertySource {
/**
* {@value} is the default name for {@link MockPropertySource} instances not
* otherwise given an explicit name.
* @see #MockPropertySource()
* @see #MockPropertySource(String)
*/
public static final String MOCK_PROPERTIES_PROPERTY_SOURCE_NAME = "mockProperties";
/**
* Create a new {@code MockPropertySource} named {@value #MOCK_PROPERTIES_PROPERTY_SOURCE_NAME}
* that will maintain its own internal {@link Properties} instance.
*/
public MockPropertySource() {
this(new Properties());
}
/**
* Create a new {@code MockPropertySource} with the given name that will
* maintain its own internal {@link Properties} instance.
* @param name the {@linkplain #getName() name} of the property source
*/
public MockPropertySource(String name) {
this(name, new Properties());
}
/**
* Create a new {@code MockPropertySource} named {@value #MOCK_PROPERTIES_PROPERTY_SOURCE_NAME}
* and backed by the given {@link Properties} object.
* @param properties the properties to use
*/
public MockPropertySource(Properties properties) {
this(MOCK_PROPERTIES_PROPERTY_SOURCE_NAME, properties);
}
/**
* Create a new {@code MockPropertySource} with the given name and backed by the given
* {@link Properties} object.
* @param name the {@linkplain #getName() name} of the property source
* @param properties the properties to use
*/
public MockPropertySource(String name, Properties properties) {
super(name, properties);
}
/**
* Set the given property on the underlying {@link Properties} object.
*/
public void setProperty(String name, Object value) {
this.source.put(name, value);
}
/**
* Convenient synonym for {@link #setProperty} that returns the current instance.
* Useful for method chaining and fluent-style use.
* @return this {@link MockPropertySource} instance
*/
public MockPropertySource withProperty(String name, Object value) {
setProperty(name, value);
return this;
}
}