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cn.net.wanmo.common.http.HttpUtil Maven / Gradle / Ivy
package cn.net.wanmo.common.http;
import cn.net.wanmo.common.charset.CharsetUtil;
import cn.net.wanmo.common.http.enums.Method;
import cn.net.wanmo.common.http.pojo.ResData;
import cn.net.wanmo.common.http.pojo.ResType;
import cn.net.wanmo.common.http.pojo.UploadFile;
import cn.net.wanmo.common.http.pojo.Uploader;
import cn.net.wanmo.common.http.ssl.NullHostNameVerifier;
import cn.net.wanmo.common.http.ssl.SSLContextFactory;
import cn.net.wanmo.common.http.util.ResUtil;
//import cn.net.wanmo.common.pojo.HttpResult;
import cn.net.wanmo.common.result.HttpResult;
import cn.net.wanmo.common.util.*;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import org.apache.commons.io.IOUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.net.ssl.HttpsURLConnection;
import java.io.*;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLConnection;
import java.nio.charset.Charset;
import java.util.*;
public class HttpUtil {
private static Logger logger = LoggerFactory.getLogger(HttpUtil.class);
/**
* 设置连接主机超时
*/
public static Integer connectTimeout = 3000;
/**
* 设置从主机读取数据超时
*/
public static Integer readTimeout = 10000;
/**
* 服务器证书文件
*/
public static String certFilePath = "";
/**
* 服务器证书密码
*/
public static String certFilePassword = "";
/**
* 响应解析，默认编码
*/
public static Charset postReqBodyCharset = CharsetUtil.UTF8;
/**
* 向指定URL发送GET方法的请求
*
* @param url 发送请求的URL
* @return 远程资源的响应结果
*/
public static HttpResult get(String url) {
return get(url, null, null);
}
/**
* 向指定URL发送GET方法的请求
*
* @param url 发送请求的URL
* @param params 请求参数，请求参数应该是 name1=value1&name2=value2 的形式
* @return 远程资源的响应结果
*/
public static HttpResult get(String url, String params) {
return get(url, null, params);
}
/**
* 向指定URL发送GET方法的请求
*
* @param url 发送请求的URL
* @param header 通用的请求属性
* @return 远程资源的响应结果
*/
public static HttpResult get(String url, Map header) {
return get(url, header, null);
}
/**
* 向指定URL发送GET方法的请求
*
* @param url 发送请求的URL
* @param header 通用的请求属性
* @param params 请求参数，请求参数应该是 name1=value1&name2=value2 的形式
* @return 远程资源的响应结果
*/
public static HttpResult get(String url, Map header, String params) {
if (StringUtil.isNotBlank(params)) {
url = url + "?" + params;
}
return sendResAsString(url, Method.get, header, null, null, null);
}
/**
* 向指定 URL 发送POST方法的请求
*
* @param url 发送请求的 URL
* @param reqBody 请求体
* @return 远程资源的响应结果
*/
public static HttpResult post(String url, String reqBody) {
return post(url, null, reqBody, null, ResType.string);
}
/**
* 向指定 URL 发送POST方法的请求
*
* @param url 发送请求的 URL
* @return 远程资源的响应结果
*/
public static HttpResult post(String url, Map params) {
return post(url, null, null, params, ResType.string);
}
/**
* 向指定 URL 发送POST方法的请求
*
* @param url 发送请求的 URL
* @param reqBody 请求体
* @return 远程资源的响应结果
*/
public static HttpResult post(String url, Map header, String reqBody) {
return post(url, header, reqBody, null, ResType.string);
}
/**
* 向指定 URL 发送POST方法的请求
*
* @param url 发送请求的 URL
* @return 远程资源的响应结果
*/
public static HttpResult post(String url, Map header, Map params) {
return post(url, header, null, params, ResType.string);
}
/**
* 向指定 URL 发送POST方法的请求
*
* @param url 发送请求的 URL
* @param header 通用的请求属性
* @param reqBody 请求体
* @return 远程资源的响应结果
*/
public static HttpResult post(String url, Map header, String reqBody, Map params, ResType resType) {
HttpResult result;
switch (resType) {
case file:
result = sendResAsFile(url, Method.post, header, reqBody, params, null);
break;
default:
result = sendResAsString(url, Method.post, header, reqBody, params, null);
}
return result;
}
/**
* 向指定 URL 发送POST方法的请求
*
* @param url 发送请求的 URL
* @param reqBody 请求体
* @return 远程资源的响应结果
*/
public static HttpResult postJson(String url, String reqBody) {
return postJson(url, null, reqBody, ResType.string);
}
/**
* 向指定 URL 发送POST方法的请求
*
* @param url 发送请求的 URL
* @param header 通用的请求属性
* @param reqBody 请求体
* @return 远程资源的响应结果
*/
public static HttpResult postJson(String url, Map header, String reqBody) {
return postJson(url, header, reqBody, ResType.string);
}
/**
* 向指定 URL 发送POST方法的请求
*
* @param url 发送请求的 URL
* @param header 通用的请求属性
* @param reqBody 请求体
* @return 远程资源的响应结果
*/
public static HttpResult postJson(String url, Map header, String reqBody, ResType resType) {
Map headerInner = getHeaderJson();
if (MapUtil.isNotEmpty(header)) {
headerInner.putAll(header);
}
return post(url, headerInner, reqBody, null, resType);
}
public static Map getHeaderJson() {
Map header = new HashMap<>();
// 代表发送端（客户端|服务器）发送的实体数据的数据类型
header.put("Content-Type", "application/json; charset=UTF-8");
// 代表发送端（客户端）希望接受的数据类型
header.put("accept", "application/json");
return header;
}
/**
* 向指定 URL 发送POST方法的请求
*
* @param url 发送请求的 URL
* @return 远程资源的响应结果
*/
public static HttpResult upload(String url, Uploader uploader) {
return upload(url, null, uploader, null);
}
/**
* 向指定 URL 发送POST方法的请求
*
* @param url 发送请求的 URL
* @return 远程资源的响应结果
*/
public static HttpResult upload(String url, Uploader uploader, Map params) {
return upload(url, null, uploader, params);
}
/**
* 向指定 URL 发送POST方法的请求
*
* @param url 发送请求的 URL
* @return 远程资源的响应结果
*/
public static HttpResult upload(String url, Map header, Uploader uploader) {
return upload(url, header, uploader, null);
}
/**
* 向指定 URL 发送POST方法的请求
*
* @param url 发送请求的 URL
* @return 远程资源的响应结果
*/
public static HttpResult upload(String url, Map header, Uploader uploader, Map params) {
List uploaderList = new ArrayList<>();
uploaderList.add(uploader);
return upload(url, header, uploaderList, params);
}
/**
* 向指定 URL 发送POST方法的请求
*
* @param url 发送请求的 URL
* @return 远程资源的响应结果
*/
public static HttpResult upload(String url, List uploaderList) {
return upload(url, null, uploaderList, null);
}
/**
* 向指定 URL 发送POST方法的请求
*
* @param url 发送请求的 URL
* @return 远程资源的响应结果
*/
public static HttpResult upload(String url, List uploaderList, Map params) {
return upload(url, null, uploaderList, params);
}
/**
* 向指定 URL 发送POST方法的请求
*
* @param url 发送请求的 URL
* @return 远程资源的响应结果
*/
public static HttpResult upload(String url, Map header, List uploaderList) {
return upload(url, header, uploaderList, null);
}
/**
* 向指定 URL 发送POST方法的请求
*
* @param url 发送请求的 URL
* @return 远程资源的响应结果
*/
public static HttpResult upload(String url, Map header, List uploaderList, Map params) {
logger.debug("文件上传请求：{}", url);
return sendResAsString(url, Method.upload, header, null, params, uploaderList);
}
/**
* 发起 HTTP 请求并获取结果
*
* @param url 请求地址
* @param method 请求方式（GET、POST）
* @param header 通用的请求属性
* @param reqBody 请求体
* @param uploaderList 上传文件
* @return 响应的字符串
*/
public static HttpResult sendResAsString(String url, Method method, Map header, String reqBody, Map params, List uploaderList) {
HttpResult result = new HttpResult();
HttpURLConnection conn = null;
try {
conn = getConnection(url, method, header, reqBody, params, uploaderList);
result.setCode(conn.getResponseCode());
result.setMsg("Http请求完成");
String charset = ResUtil.getResponseCharset(conn.getContentType());
String resBody = ResUtil.getResAsString(conn.getInputStream(), charset);
Map> headerFields = conn.getHeaderFields();
result.setData(ResData.build(resBody, headerFields));
logger.debug("响应数据: {}", result.getData());
} catch (Exception e) {
result.error("Http请求发生异常： " + e.getMessage());
logger.error("Http请求发生异常： " + url, e);
} finally {
if (conn != null) {
conn.disconnect();
}
}
logger.debug("响应结果：代码 {} ， 消息 {}", result.getCode(), result.getMsg());
return result;
}
/**
* 发起 HTTP 请求并获取结果
*
* @param url 请求地址
* @param method 请求方式（GET、POST）
* @param header 通用的请求属性
* @param reqBody 请求体
* @param uploaderList 上传文件
* @return 响应的文件
*/
public static HttpResult sendResAsFile(String url, Method method, Map header, String reqBody, Map params, List uploaderList) {
HttpResult result = new HttpResult();
HttpURLConnection conn = null;
long startTime = DateUtil.nowLong();
try {
conn = getConnection(url, method, header, reqBody, params, uploaderList);
result.setCode(conn.getResponseCode());
result.setMsg("Http请求完成");
InputStream is = conn.getInputStream(); // 请求后远程返回的数据
File file = ResUtil.getResAsFile(is);
Map> headerFields = conn.getHeaderFields();
result.setData(ResData.build(file.getAbsolutePath(), headerFields));
logger.debug("响应数据: {}", result.getData());
} catch (Exception e) {
result.error("Http请求发生异常： " + e.getMessage());
logger.error("Http请求发生异常： " + url, e);
} finally {
if (conn != null) {
conn.disconnect();
}
}
result.setConsumeTime(DateUtil.nowLong() - startTime);
logger.debug("响应结果：代码 {} ， 消息 {}", result.getCode(), result.getMsg());
return result;
}
public static HttpURLConnection getConnection(String httpUrl, Method method, Map header, String reqBody, Map params, List uploaderList) throws Exception {
logger.debug("请求URL: {}", httpUrl);
logger.debug("请求方式: {}", method);
logger.debug("请求头: {}", JSON.toJSONString(header, true));
logger.debug("请求数据: {}", reqBody);
logger.debug("请求文件: {}", JSON.toJSONString(uploaderList, true));
URL url = new URL(httpUrl);
HttpURLConnection conn = null;
if ("HTTPS".equals(url.getProtocol().toUpperCase())) { // 如果是安全连接则需要
conn = getConnectionHttps(url);
} else {
conn = getConnectionHttp(url);
}
initConnection(conn, header);
switch (method) { // 根据请求方式，初始化 conn
case get:
initGet(conn);
break;
case post:
initPost(conn, reqBody, params);
break;
case upload:
initUpload(conn, params, uploaderList);
break;
default:
throw new RuntimeException("不支持的请求方式：" + method);
}
conn.connect();
return conn;
}
private static void initConnection(HttpURLConnection conn, Map header) {
{ // 设置超时
conn.setConnectTimeout(connectTimeout); // 设置连接主机超时（单位：毫秒）
conn.setReadTimeout(readTimeout); // 设置从主机读取数据超时（单位：毫秒）
}
{ // 设置常规属性
/*
* 设置请求头或响应头:HTTP请求允许一个key带多个用逗号分开的values，但是HttpURLConnection只提供了单个操作的方法：
* setRequestProperty(key,value):会覆盖已经存在的key的所有values，有清零重新赋值的作用
* addRequestProperty(key,value):是在原来key的基础上继续添加其他value
*/
conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
conn.setRequestProperty("accept", "*/*"); // 设置接受的文件类型，*表示一切可以接受的
conn.setRequestProperty("Accept-Charset", "UTF-8"); // 新添加的请求头编码
conn.setRequestProperty("connection", "Keep-Alive"); // 设置维持长连接
conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
// 设定传送的内容类型是可序列化的java对象
// (如果不设此项,在传送序列化对象时,当WEB服务默认的不是这种类型时可能抛java.io.EOFException)
// conn.setRequestProperty("Content-type", "application/x-java-serialized-object");
}
if (MapUtil.isNotEmpty(header)) { // 属性覆盖或新增
for (Map.Entry entry : header.entrySet()) {
conn.setRequestProperty(entry.getKey(), entry.getValue());
}
}
}
private static void initGet(HttpURLConnection conn) throws Exception {
// 设置请求方式 GET
conn.setRequestMethod(Method.get.getValue());
// 设置是否使用缓存 默认是true
conn.setUseCaches(true);
}
private static void initPost(HttpURLConnection conn, String reqBody, Map params) throws Exception {
// 设置请求方式 POST
conn.setRequestMethod(Method.post.getValue());
// 设置是否从 httpUrlConnection 允许读入，默认情况下是 true;
conn.setDoInput(true);
// 默认情况下是 false; 设置是否向 httpUrlConnection 允许输出，因为这个是 post 请求，参数要放在 HTTP 正文内，因此需要设为t rue,
conn.setDoOutput(true);
// Post 请求不能使用缓存
conn.setUseCaches(false);
if (MapUtil.isNotEmpty(params)) { // params 优先级高
reqBody = toParamStr(params);
}
byte[] paramsBytes = StringUtil.isBlank(reqBody) ? null : reqBody.getBytes(postReqBodyCharset);
{ // 当有数据需要提交时，请求参数传给服务器
{ // 方式一
conn.getOutputStream().write(paramsBytes);
}
{ // 方式二
// DataOutput dataOutput = new DataOutputStream(conn.getOutputStream());
// dataOutput.write(paramsBytes);
}
}
}
private static void initUpload(HttpURLConnection conn, Map params, List uploaderList) throws Exception {
conn.setConnectTimeout(3 * 1000);
conn.setReadTimeout(30 * 60 * 1000);
conn.setRequestProperty("Connection", "Keep-Alive");
initUpload01(conn, params, uploaderList);
}
private static void initUpload01(HttpURLConnection conn, Map params, List uploaderList) throws Exception {
final String CRLF = "\r\n";
final String TWO_HYPHEN = "--";
final String BOUNDARY = "----WebKitFormBoundary" + IdGen.uuid();
// final String BOUNDARY = "===" + Long.toHexString(System.currentTimeMillis()) + "===";
// 设置请求方式
conn.setRequestMethod(Method.upload.getValue());
// 设置是否从httpUrlConnection允许读入，默认情况下是true;
conn.setDoInput(true);
// 默认情况下是false; 设置是否向httpUrlConnection允许输出，因为这个是post请求，参数要放在 HTTP 正文内，因此需要设为true
conn.setDoOutput(true);
// Post 请求不能使用缓存
conn.setUseCaches(false);
// 判断上传文件对象是否为空
if (CollectionUtil.isEmpty(uploaderList)) {
logger.error("待上传的文件不能为空");
return;
}
conn.setRequestProperty("user-agent", "Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/33.0.1750.146 Safari/537.36");
conn.setRequestProperty("Content-Type", "multipart/form-data; charset=UTF-8; boundary=" + BOUNDARY); // 定义数据分隔线
conn.setRequestProperty("Content-Length", String.valueOf(BOUNDARY.length())); // 设置 boundary 的长度
// OutputStream out = new DataOutputStream(conn.getOutputStream()); // 获取输出流
OutputStream out = conn.getOutputStream(); // 获取输出流
{ // 设置请求表单参数
{
if (MapUtil.isEmpty(params)) {
params = new HashMap<>();
}
params.putIfAbsent("description", "文件上传");
}
for (Map.Entry entry : params.entrySet()) {
StringBuilder paramData = new StringBuilder();
paramData.append(TWO_HYPHEN).append(BOUNDARY).append(CRLF);
paramData.append("Content-Disposition: form-data; name=" + entry.getKey()).append(CRLF);
paramData.append("Content-Type: text/plain; charset=utf-8").append(CRLF);
paramData.append("Content-Transfer-Encoding: 8bit").append(CRLF);
paramData.append(CRLF); // 参数头设置完以后需要两个换行，然后才是参数内容
paramData.append(entry.getValue());
paramData.append(CRLF);
out.write(paramData.toString().getBytes());
out.flush();
}
}
{ // 文件上传
for (Uploader uploader : uploaderList) {
List files = uploader.getFiles();
if (CollectionUtil.isNotEmpty(files)) {
for (int i = 0; i < files.size(); i++) {
UploadFile uploadFile = files.get(i);
if (uploadFile.getFile() == null || uploadFile.getFile().exists() == false) {
logger.error("待上传的文件不存在：{}", uploadFile.getFile().getAbsolutePath());
continue;
}
{ // 开始构建 multipart/form-data 格式的数据包
StringBuilder mediaData = new StringBuilder();
mediaData.append(TWO_HYPHEN).append(BOUNDARY).append(CRLF);
mediaData.append("Content-Disposition: form-data; name=" + uploader.getName() + "; filename=" + uploadFile.getFilename() + "; digest=" + uploadFile.getDigest() + CRLF);
// mediaData.append("Content-Type:application/octet-stream" + CRLF);
mediaData.append("Content-Type:" + URLConnection.guessContentTypeFromName(uploadFile.getFile().getName()) + "; charset=UTF-8" + CRLF);
mediaData.append("Content-Transfer-Encoding: binary" + CRLF);
mediaData.append(CRLF); // 参数头设置完以后需要两个换行，然后才是参数内容
out.write(mediaData.toString().getBytes());
out.flush();
}
{ // 文件上传
DataInputStream fs = new DataInputStream(new FileInputStream(uploadFile.getFile()));
int bytes = 0;
byte[] bufferOut = new byte[1024];
while ((bytes = fs.read(bufferOut)) != -1) {
out.write(bufferOut, 0, bytes);
}
out.flush();
IOUtils.closeQuietly(fs);
}
{ // 多个文件时，二个文件之间加入这个
if ((i + 1) < files.size()) { // 说明还有下一个
out.write(CRLF.getBytes());
out.flush();
}
}
}
}
}
out.flush();
}
{ // 请求截止
byte[] end_data = (CRLF + TWO_HYPHEN + BOUNDARY + TWO_HYPHEN + CRLF).getBytes();
out.write(end_data);
out.flush();
}
{
IOUtils.closeQuietly(out);
}
}
/**
* 该方法是用来参考，不实际使用
*
* @param conn
* @param params
* @param uploaderList
* @throws Exception
*/
private static void initUpload02(HttpURLConnection conn, Map params, List uploaderList) throws Exception {
final String CRLF = "\r\n", TWO_HYPHEN = "--", BOUNDARY = "----WebKitFormBoundary" + IdGen.uuid();
// 设置请求方式
conn.setRequestMethod(Method.upload.getValue());
// 设置是否从httpUrlConnection允许读入，默认情况下是true;
conn.setDoInput(true);
// 默认情况下是false; 设置是否向httpUrlConnection允许输出，因为这个是post请求，参数要放在 HTTP 正文内，因此需要设为true
conn.setDoOutput(true);
// Post 请求不能使用缓存
conn.setUseCaches(false);
// 判断上传文件对象是否为空
if (CollectionUtil.isEmpty(uploaderList)) {
logger.error("待上传的文件不能为空");
return;
}
// conn.setRequestProperty("Connection", "Keep-Alive"); // 设置为长连接
// conn.setRequestProperty("Accept", "*/*");
conn.setRequestProperty("user-agent", "Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/33.0.1750.146 Safari/537.36");
conn.setRequestProperty("Content-Type", "multipart/form-data; charset=UTF-8; boundary=" + BOUNDARY); // 定义数据分隔线
conn.setRequestProperty("Content-Length", String.valueOf(BOUNDARY.length())); // 设置 boundary 的长度
// OutputStream out = new DataOutputStream(conn.getOutputStream()); // 获取输出流
OutputStream output = conn.getOutputStream();
PrintWriter writer = new PrintWriter(new OutputStreamWriter(output, "UTF-8"), true);
{ // 设置请求表单参数
{
if (MapUtil.isEmpty(params)) {
params = new HashMap<>();
}
params.putIfAbsent("description", "文件上传");
}
for (Map.Entry entry : params.entrySet()) {
/*StringBuilder paramData = new StringBuilder();
paramData.append(TWO_HYPHEN).append(BOUNDARY).append(CRLF);
paramData.append("Content-Disposition: form-data; name=" + entry.getKey() + "").append(CRLF);
paramData.append("Content-Type: text/plain; charset=utf-8").append(CRLF);
// paramData.append("Content-Transfer-Encoding: 8bit").append(CRLF);
paramData.append(CRLF); // 参数头设置完以后需要两个换行，然后才是参数内容
paramData.append(entry.getValue());
paramData.append(CRLF);
out.write(paramData.toString().getBytes(postReqBodyCharset));
out.flush();*/
writer.append(TWO_HYPHEN).append(BOUNDARY).append(CRLF)
.append("Content-Disposition: form-data; name=" + entry.getKey() + "").append(CRLF)
.append("Content-Type: text/plain; charset=utf-8").append(CRLF)
.append(CRLF)
.append(entry.getValue().toString())
.append(CRLF)
.flush();
}
}
{ // 文件上传
for (Uploader uploader : uploaderList) {
List files = uploader.getFiles();
if (CollectionUtil.isNotEmpty(files)) {
for (UploadFile uploadFile : files) {
if (uploadFile.getFile() == null || uploadFile.getFile().exists() == false) {
logger.error("待上传的文件不存在：{}", uploadFile.getFile().getAbsolutePath());
continue;
}
{ // 开始构建 multipart/form-data 格式的数据包
/*StringBuilder mediaData = new StringBuilder();
mediaData.append(TWO_HYPHEN).append(BOUNDARY).append(CRLF);
mediaData.append("Content-Disposition: form-data; name=" + uploader.getName() + "; filename=" + uploadFile.getFilename() + CRLF);
// mediaData.append("Content-Disposition: form-data; name=" + uploader.getName() + "; filename=" + uploadFile.getFilename() + "; digest=\"" + uploadFile.getDigest() + "\"" + CRLF);
// mediaData.append("Content-Type:application/octet-stream" + CRLF);
mediaData.append("Content-Type:" + URLConnection.guessContentTypeFromName(uploadFile.getFile().getName()) + "; charset=UTF-8" + CRLF);
mediaData.append("Content-Transfer-Encoding: binary" + CRLF);
// mediaData.append("Content-Transfer-Encoding: 8bit" + CRLF);
mediaData.append(CRLF); // 参数头设置完以后需要两个换行，然后才是参数内容
out.write(mediaData.toString().getBytes(postReqBodyCharset));
out.flush();*/
writer.append(TWO_HYPHEN).append(BOUNDARY).append(CRLF)
.append(
new StringBuilder("Content-Type:")
.append(URLConnection.guessContentTypeFromName(uploadFile.getFile().getName()))
.append("; charset=UTF-8")
)
.append(CRLF)
.append("Content-Transfer-Encoding: binary")
.append(CRLF)
.append(CRLF)
.flush();
}
{ // 文件上传
/*DataInputStream fs = new DataInputStream(new FileInputStream(uploadFile.getFile()));
int bytes = 0;
byte[] bufferOut = new byte[1024];
while ((bytes = fs.read(bufferOut)) != -1) {
out.write(bufferOut, 0, bytes);
}
out.flush();*/
// IOUtils.closeQuietly(fs);
FileInputStream fileInputStream = new FileInputStream(uploadFile.getFile());
int bytes = 0;
byte[] buffer = new byte[1024];
while ((bytes = fileInputStream.read(buffer)) != -1) {
output.write(buffer, 0, bytes);
}
output.flush();
// fileInputStream.close();
}
{ // 多个文件时，二个文件之间加入这个
// out.write(CRLF.getBytes());
// out.flush();
// writer.append(CRLF).flush();
}
}
}
}
// out.flush();
}
{ // 请求截止
// byte[] end_data = (CRLF + TWO_HYPHEN + BOUNDARY + TWO_HYPHEN + CRLF).getBytes();
// out.write(end_data);
writer.append(CRLF).append(TWO_HYPHEN).append(BOUNDARY).append(TWO_HYPHEN).append(CRLF).flush();
}
{
// out.flush();
// IOUtils.closeQuietly(out);
IOUtils.closeQuietly(output);
IOUtils.closeQuietly(writer);
}
}
private static HttpURLConnection getConnectionHttp(URL url) throws Exception {
return (HttpURLConnection) url.openConnection();
}
private static HttpsURLConnection getConnectionHttps(URL url) throws Exception {
HttpsURLConnection conn = (HttpsURLConnection) url.openConnection();
conn.setHostnameVerifier(new NullHostNameVerifier());
// connectionHttps.setSSLSocketFactory(getSSLSocket());
conn.setSSLSocketFactory(SSLContextFactory.createSSLContext(certFilePath, certFilePassword).getSocketFactory());
return conn;
}
/**
* 将map转为 参数字符串：name1=value1&name2=value2 的形式
*
* @param param
* @return 字符串
* @throws UnsupportedEncodingException
*/
public static String toParamStr(Map param) throws UnsupportedEncodingException {
String reStr = "";
if (MapUtil.isEmpty(param)) {
return reStr;
}
Set> entrySet = param.entrySet();
for (Map.Entry o : entrySet) {
if (o.getValue() == null || "null".equals(o.getValue()) || "class".equals(o.getKey())) {
continue;
}
String s = o.getKey() + "=" + o.getValue();
reStr += (s + "&");
}
return StringUtil.isBlank(reStr) ? "" : reStr.substring(0, reStr.length() - 1);
}
/**
* 将字符串 （name1=value1&name2=value2）的形式，转为 Map 形式
*
* @param param
* @return Map
* @throws UnsupportedEncodingException
*/
public static Map toParamMap(String param) throws UnsupportedEncodingException {
Map paramMap = new HashMap<>();
if (StringUtil.isBlank(param)) {
return paramMap;
}
String[] paramPairsArr = param.split("&");
for (String paramPair : paramPairsArr) {
String[] paramPairArr = paramPair.split("=");
if (paramPairArr.length == 2) {
paramMap.put(paramPairArr[0].trim(), paramPairArr[1].trim());
} else {
paramMap.put(paramPairArr[0].trim(), "");
}
}
return paramMap;
}
/**
* 判断是否是 HTTP URL
*
* @param url 请求 url
* @return 布尔值
*/
public static Boolean isHttpUrl(String url) {
boolean flag = false;
try {
flag = url.indexOf("://") != -1;
} catch (Exception e) {
}
return flag;
}
}
