org.aoju.bus.extra.effect.EffectFactory Maven / Gradle / Ivy
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package org.aoju.bus.extra.effect;
import org.aoju.bus.core.annotation.SPI;
import java.util.HashMap;
import java.util.Map;
import java.util.ServiceLoader;
/**
* 解压缩服务工厂
*
* @author Kimi Liu
* @version 6.2.2
* @since JDK 1.8+
*/
public enum EffectFactory {
CF;
Map compressMap = new HashMap<>();
EffectFactory() {
ServiceLoader compresses = ServiceLoader.load(EffectProvider.class);
for (EffectProvider effectProvider : compresses) {
SPI spi = effectProvider.getClass().getAnnotation(SPI.class);
if (null != spi) {
String name = spi.value();
if (compressMap.containsKey(name)) {
throw new RuntimeException("The @SPI value(" + name
+ ") repeat, for class(" + effectProvider.getClass()
+ ") and class(" + compressMap.get(name).getClass()
+ ").");
}
compressMap.put(name, effectProvider);
}
}
}
/**
* 获取解压缩服务提供者 @SPI 值是{#name} 名称
*
* @param name 名称
* @return 服务提供者
*/
public EffectProvider get(String name) {
return compressMap.get(name);
}
}