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com.egzosn.pay.common.http.UriVariables Maven / Gradle / Ivy
package com.egzosn.pay.common.http;
import com.alibaba.fastjson.JSONObject;
import com.egzosn.pay.common.bean.result.PayException;
import com.egzosn.pay.common.exception.PayErrorException;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.List;
import java.util.Map;
import java.util.Set;
/**
* URL表达式处理器
*
* @author: egan
*
* email [email protected]
* date 2017/3/5 10:07
*
*/
public class UriVariables {
/**
* 依次匹配
* @param uri 匹配的uri，带代表式
* @param uriVariables 匹配表达式的值
* @return 匹配完的url
*
* System.out.println(getUri("http://egan.in/{a}/ba/{a1}?{bb}={a1}", "no1", "no2", "no3", "no4"));
* 结果 http://egan.in/no1/ba/no2?no3=no4
*
*
*/
public static String getUri(String uri, Object... uriVariables) {
if (null == uriVariables){
return uri;
}
for (Object variable : uriVariables){
if (null == variable){
continue;
}
uri = uri.replaceFirst("\\{\\w+\\}", variable.toString());
}
return uri;
}
/**
* 匹配Map.key
* @param uri 匹配的uri，带代表式
* @param uriVariables 匹配表达式的值
* @return 匹配完的url
*
* Map<String, Object> uriVariable = new HashMap<String, Object>();
* uriVariable.put("a", "no1");
* uriVariable.put("a1", "no2");
* uriVariable.put("bb", "no3");
* System.out.println(getUri("http://egan.in/{a}/ba/{a1}?{bb}={a1}", uriVariable));
* 结果 http://egan.in/no1/ba/no2?no3=no2
*
*/
public static String getUri(String uri, Map uriVariables) {
if (null == uriVariables){
return uri;
}
for (Map.Entry entry : uriVariables.entrySet()) {
Object uriVariable = entry.getValue();
if (null == uriVariable){
continue;
}
uri = uri.replace("{" + entry.getKey() + "}", uriVariable.toString());
}
return uri;
}
/**
* Map转化为对应得参数字符串
* @param pe 参数
* @return 参数字符串
*/
public static String getMapToParameters(Map pe){
StringBuilder builder = new StringBuilder();
for (Map.Entry entry : (Set)pe.entrySet()) {
Object o = entry.getValue();
if (null == o) {
continue;
}
if (o instanceof List) {
o = ((List) o).toArray();
}
try {
if (o instanceof Object[]) {
Object[] os = (Object[]) o;
String valueStr = "";
for (int i = 0, len = os.length; i < len; i++) {
if (null == os[i]) {
continue;
}
String value = os[i].toString().trim();
valueStr += (i == len - 1) ? value : value + ",";
}
builder.append(entry.getKey()).append("=").append(URLEncoder.encode(valueStr, "utf-8")).append("&");
continue;
}
builder.append(entry.getKey()).append("=").append(URLEncoder.encode( entry.getValue().toString(), "utf-8")).append("&");
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
}
if (builder.length() > 1) {
builder.deleteCharAt(builder.length() - 1);
}
return builder.toString();
}
/**
* 解析应答字符串，生成应答要素
*
* @param str 需要解析的字符串
* @return 解析的结果map
*/
public static JSONObject getParametersToMap (String str) {
JSONObject map = new JSONObject();
int len = str.length();
StringBuilder temp = new StringBuilder();
char curChar;
String key = null;
boolean isKey = true;
boolean isOpen = false;//值里有嵌套
char openName = 0;
if (len > 0) {
for (int i = 0; i < len; i++) {// 遍历整个带解析的字符串
curChar = str.charAt(i);// 取当前字符
if (isKey) {// 如果当前生成的是key
if (curChar == '=') {// 如果读取到=分隔符
key = temp.toString();
temp.setLength(0);
isKey = false;
} else {
temp.append(curChar);
}
} else {// 如果当前生成的是value
if (isOpen) {
if (curChar == openName) {
isOpen = false;
}
} else {//如果没开启嵌套
if (curChar == '{') {//如果碰到，就开启嵌套
isOpen = true;
openName = '}';
}
if (curChar == '[') {
isOpen = true;
openName = ']';
}
}
if (curChar == '&' && !isOpen) {// 如果读取到&分割符,同时这个分割符不是值域，这时将map里添加
putKeyValueToMap(temp, isKey, key, map);
temp.setLength(0);
isKey = true;
} else {
temp.append(curChar);
}
}
}
putKeyValueToMap(temp, isKey, key, map);
}
return map;
}
private static void putKeyValueToMap (StringBuilder temp, boolean isKey,
String key, Map map) {
if (isKey) {
key = temp.toString();
if (key.length() == 0) {
throw new PayErrorException(new PayException("QString format illegal", "内容格式有误"));
}
map.put(key, "");
} else {
if (key.length() == 0) {
throw new PayErrorException(new PayException("QString format illegal", "内容格式有误"));
}
map.put(key, temp.toString());
}
}
}
