source-code-hunter/docs/Spring/clazz/PropertySource/Spring-MapPropertySource.md

Spring MapPropertySource

• Author: HuiFer

• 源码阅读仓库: SourceHot-spring

• 类全路径: org.springframework.core.env.MapPropertySource

• 内部数据结构是一个Map<String,Object> 这是一个对 map 的操作.

• 整体代码如下.

public class MapPropertySource extends EnumerablePropertySource<Map<String, Object>> {

	public MapPropertySource(String name, Map<String, Object> source) {
		super(name, source);
	}


	@Override
	@Nullable
	public Object getProperty(String name) {
		// 从map中获取 name 对应的value
		return this.source.get(name);
	}

	@Override
	public boolean containsProperty(String name) {
		// 判断是否存在 name 属性
		return this.source.containsKey(name);
	}

	@Override
	public String[] getPropertyNames() {
		// 互殴去 map 的所有key
		return StringUtils.toStringArray(this.source.keySet());
	}

}