HttpServletRequestUtils.java
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package com.yoho.search.common.utils;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.lang3.ArrayUtils;
public class HttpServletRequestUtils {
public static Map<String, String> transParamType(HttpServletRequest request) {
Map<String, String> resultMap = new HashMap<>();
if (request.getParameterMap() != null) {
for (Map.Entry<String, String[]> entry : request.getParameterMap().entrySet()) {
String value = ArrayUtils.isEmpty(entry.getValue()) ? null : entry.getValue()[0];
resultMap.put(entry.getKey(), value);
}
}
return resultMap;
}
public static String transParamParamStr(HttpServletRequest request) {
if (request.getParameterMap() != null) {
StringBuilder paramStringBuilder = new StringBuilder();
for (Map.Entry<String, String[]> entry : request.getParameterMap().entrySet()) {
String value = ArrayUtils.isEmpty(entry.getValue()) ? null : entry.getValue()[0];
paramStringBuilder.append('&').append(entry.getKey()).append('=').append(value);
}
return paramStringBuilder.toString().replaceFirst("&", "");
}
return "";
}
public static String getRequestUrl(HttpServletRequest request) {
StringBuffer sb = new StringBuffer();
sb.append(request.getRequestURI());
Map<String, String> paramMap = HttpServletRequestUtils.transParamType(request);
if (paramMap != null && !paramMap.isEmpty()) {
sb.append('?');
for (Map.Entry<String, String> entry : paramMap.entrySet()) {
sb.append(entry.getKey()).append('=').append(entry.getValue()).append('&');
}
sb.deleteCharAt(sb.length() - 1);
}
return sb.toString();
}
public static String getIpAddress(HttpServletRequest request) {
String ip = request.getHeader("x-forwarded-for");
if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
ip = request.getHeader("Proxy-Client-IP");
}
if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
ip = request.getHeader("WL-Proxy-Client-IP");
}
if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
ip = request.getHeader("HTTP_CLIENT_IP");
}
if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
ip = request.getHeader("HTTP_X_FORWARDED_FOR");
}
if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
ip = request.getRemoteAddr();
}
return ip;
}
public static String genParamString(Map<?, ?> paramMap) {
if (paramMap == null || paramMap.isEmpty()) {
return "";
}
StringBuilder paramStringBuilder = new StringBuilder();
for (Map.Entry<?, ?> entry : paramMap.entrySet()) {
String key = String.valueOf(entry.getKey());
String value = String.valueOf(entry.getValue());
if (StringUtils.isBlank(key) || StringUtils.isBlank(value)) {
continue;
}
paramStringBuilder.append('&').append(key).append('=').append(value);
}
return paramStringBuilder.toString().replaceFirst("&", "");
}
public static String genParamStringWithIncludeParams(Map<?, ?> paramMap, List<String> includeParams) {
if (paramMap == null || paramMap.isEmpty()) {
return "";
}
StringBuilder paramStringBuilder = new StringBuilder();
for (Map.Entry<?, ?> entry : paramMap.entrySet()) {
String key = String.valueOf(entry.getKey());
String value = String.valueOf(entry.getValue());
if (StringUtils.isBlank(key) || StringUtils.isBlank(value)) {
continue;
}
if (!includeParams.contains(key)) {
continue;
}
paramStringBuilder.append('&').append(key).append('=').append(value);
}
return paramStringBuilder.toString().replaceFirst("&", "");
}
public static String genParamStringWithExcludeParams(Map<?, ?> paramMap, List<String> excludeParams) {
if (paramMap == null || paramMap.isEmpty()) {
return "";
}
StringBuilder paramStringBuilder = new StringBuilder();
for (Map.Entry<?, ?> entry : paramMap.entrySet()) {
String key = String.valueOf(entry.getKey());
String value = String.valueOf(entry.getValue());
if (StringUtils.isBlank(key) || StringUtils.isBlank(value)) {
continue;
}
if (excludeParams.contains(key)) {
continue;
}
paramStringBuilder.append('&').append(key).append('=').append(value);
}
return paramStringBuilder.toString().replaceFirst("&", "");
}
}