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@@ -23,7 +23,7 @@ public class split_names extends UDF {
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}
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try {
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String[] jsonArr = jsons.split("&");
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- HashSet<String> set = new HashSet();
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+ HashSet<String> set = new HashSet<>();
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for (String json : jsonArr) {
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parse(json, json_path, set);
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}
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@@ -34,18 +34,19 @@ public class split_names extends UDF {
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}
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}
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- public void parse(String json, String json_path, Set set) {
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+ public void parse(String json, String json_path, Set<String> set) {
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JSONArray jsonArray = ((JSONArray) JSONPath.eval(JSON.parse(json), json_path));
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for (Object s : jsonArray) {
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if (s != null && s.toString().length() > 0) {
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- set.add(s);
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+ set.add(s.toString());
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}
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}
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}
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public static void main(String[] args) {
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- String jsons = "[{\"name\":\"张海林\",\"litigant_id\":\"\"},{\"name\":\"招商银行股份有限公司信用卡中心\",\"litigant_id\":\"cc45eeb0634f73531ba54ad55ba152a6\"}]&[{\"name\":\"上海浦东发展银行静安支行\",\"litigant_id\":\"c2c57fcc6398cfd49393c1a2d3c35a4c\"}]";
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- String json_path = "$.litigant_id";
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+ //String jsons = "[{\"name\":\"张海林\",\"litigant_id\":\"\"},{\"name\":\"招商银行股份有限公司信用卡中心\",\"litigant_id\":\"cc45eeb0634f73531ba54ad55ba152a6\"}]&[{\"name\":\"上海浦东发展银行静安支行\",\"litigant_id\":\"c2c57fcc6398cfd49393c1a2d3c35a4c\"}]";
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+ String jsons = "[{\"name\":\"南京颍州电气设备有限公司\",\"litigant_id\":\"\",\"date\":\"2010-06-22T00:00:00.000+08:00\",\"exec_money\":3.692949}]";
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+ String json_path = "$.exec_money";
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split_names n = new split_names();
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System.out.println(n.evaluate(jsons, json_path));
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}
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xufei