spring.turbo.io.BlackHoleOutputStream Maven / Gradle / Ivy

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package spring.turbo.io;

import spring.turbo.lang.Singleton;

import java.io.IOException;
import java.io.OutputStream;

/**
 * @author 应卓
 * @see #getInstance()
 * @since 1.0.8
 */
@Singleton
public final class BlackHoleOutputStream extends OutputStream {

    /**
     * 私有构造方法
     */
    private BlackHoleOutputStream() {
        super();
    }

    public static BlackHoleOutputStream getInstance() {
        return SyncAvoid.INSTANCE;
    }

    @Override
    public void write(int b) throws IOException {
        // nop
    }

    // 延迟加载
    private static class SyncAvoid {
        private static final BlackHoleOutputStream INSTANCE = new BlackHoleOutputStream();
    }

}