java-sdk/examples/QNMetaDemo.java at master · CDNCloud-com/java-sdk · GitHub

History

88 lines (81 loc) · 3.26 KB

Raw

import com.qiniu.common.QiniuException;

import com.qiniu.http.Client;

import com.qiniu.http.Response;

import com.qiniu.util.Auth;

import com.qiniu.util.StringMap;

import com.qiniu.util.UrlSafeBase64;

import java.util.HashMap;

import java.util.Iterator;

import java.util.Map;

/**

* 自定义文件元信息demo(x-qn-meta-*)

* 接口

* POST /setmeta/<EncodedEntryURI>[/<x-qn-meta-MetaKey>/<EncodedMetaValue>][/cond/Encoded(condKey1=condVal1&condKey2=condVal2)]

* Host: rs-<region>.qiniu.com

* Content-Type: application/x-www-form-urlencoded

* Authorization: Qbox 鉴权

* 注意：

* meta-key，key不能设置为中文,不允许为空;

* 新的metas会完全替换掉以前的metas，注意, 是完全覆盖;

* 如果请求url中没有 [<x-qn-meta-MetaKey>/<EncodedMetaValue>]，则表示要删除所有metas;

public class QNMetaDemo {

//设置好账号的ACCESS_KEY和SECRET_KEY

private static final String ACCESS_KEY = "填写你们自己的AK";

private static final String SECRET_KEY = "填写你们自己的SK";

private static final Auth auth = Auth.create(ACCESS_KEY, SECRET_KEY);

private Client client = new Client();

private String bucketName;

private String rsHost;

{

bucketName = "填写你们自己的存储空间";

//设置存储区域rs域名，华东z0 华北z1 华南z2

rsHost = "rs-z2.qiniu.com";

}

public static void main(String[] args) throws Exception {

QNMetaDemo qnMetaDemo = new QNMetaDemo();

//需要设置自定义meta的空间文件名称

String key = "1.mp4";

//设置自定义的meta头部，注意，每次调用该接口，是直接覆盖meta，不是追加meta

HashMap<String, String> metaKeyVal = new HashMap<>();

metaKeyVal.put("eng1", "qiniu");

metaKeyVal.put("eng2", "七牛");

boolean result = qnMetaDemo.setMeta(qnMetaDemo.bucketName, key, metaKeyVal);

if(result){

System.out.println("done");

}

/**

* @param bucket 存储空间名称

* @param key 存储空间的文件名称

* @param headers 自定义的请求头 key - val map

* @return true or false

* @throws QiniuException

public boolean setMeta(String bucket, String key, Map<String, String> headers) throws QiniuException {

String resource = UrlSafeBase64.encodeToString(bucket.concat(":").concat(key));

String path = String.format("/setmeta/%s", resource);

String k;

String encodedMetaValue;

for(Iterator var6 = headers.keySet().iterator(); var6.hasNext(); path = String.format("%s/x-qn-meta-%s/%s", path, k, encodedMetaValue)) {

k = (String)var6.next();

encodedMetaValue = UrlSafeBase64.encodeToString((String)headers.get(k));

}

//接口请求地址

String url = String.format("https://%s%s", rsHost, path);

System.out.println(url);

Response res = this.post(url);

if (res.statusCode != 200) {

return false;

} else {

return true;

}

private Response post(String url) throws QiniuException {

StringMap headers = this.auth.authorization(url);

return this.client.post(url, null, headers, "application/x-www-form-urlencoded");

}

java-sdk/examples/QNMetaDemo.java at master · CDNCloud-com/java-sdk · GitHub

Expand file tree

Breadcrumbs

QNMetaDemo.java

Latest commit

History

Breadcrumbs

QNMetaDemo.java

File metadata and controls