spring ServletContextPropertySource 源码
spring ServletContextPropertySource 代码
文件路径：/spring-web/src/main/java/org/springframework/web/context/support/ServletContextPropertySource.java
/*
* Copyright 2002-2014 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.web.context.support;
import jakarta.servlet.ServletContext;
import org.springframework.core.env.EnumerablePropertySource;
import org.springframework.core.env.PropertySource;
import org.springframework.lang.Nullable;
import org.springframework.util.StringUtils;
/**
* {@link PropertySource} that reads init parameters from a {@link ServletContext} object.
*
* @author Chris Beams
* @since 3.1
* @see ServletConfigPropertySource
*/
public class ServletContextPropertySource extends EnumerablePropertySource<ServletContext> {
public ServletContextPropertySource(String name, ServletContext servletContext) {
super(name, servletContext);
}
@Override
public String[] getPropertyNames() {
return StringUtils.toStringArray(this.source.getInitParameterNames());
}
@Override
@Nullable
public String getProperty(String name) {
return this.source.getInitParameter(name);
}
}
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