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Qiniu Resource (Cloud) Storage SDK demo for Java

There is a newer version: 6.1.9

package com.qiniu.api.rsf;

import com.qiniu.api.auth.DigestAuthClient;
import com.qiniu.api.auth.digest.Mac;
import com.qiniu.api.config.Config;
import com.qiniu.api.net.CallRet;
import com.qiniu.api.net.Client;

public class RSFClient {
	public Client conn;
	
	public RSFClient(Mac mac) {
		this.conn = new DigestAuthClient(mac);
	}
	
	public ListPrefixRet listPrifix(String bucketName, String prefix, String marker, int limit) {
		StringBuilder params = new StringBuilder();
		params.append("bucket=").append(bucketName);
		if (marker != null && marker.length() != 0) {
			params.append("&marker=").append(marker);
		}
		if (prefix != null && prefix.length() != 0) {
			params.append("&prefix=").append(prefix);
		}
		if (limit > 0) {
			params.append("&limit=").append(limit);
		}
		
		String url = Config.RSF_HOST + "/list?" + params.toString();
		CallRet ret = conn.call(url);
		ListPrefixRet listRet = new ListPrefixRet(ret);
		if (listRet.marker == null || "".equals(listRet.marker)) {
			listRet.exception = new RSFEofException("EOF");
		}
		return listRet;
	}
	
}