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Commit d362d87

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jar test와 parse 메소드의 결과가 달랐다
1 parent c756777 commit d362d87

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8 files changed

+108
-88
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8 files changed

+108
-88
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‎.idea/workspace.xml

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‎.project

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<?xml version="1.0" encoding="UTF-8"?>
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<projectDescription>
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<name>json-to-sql-parser</name>
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<comment></comment>
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<projects>
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</projects>
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<buildSpec>
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</buildSpec>
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<natures>
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</natures>
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</projectDescription>
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{"COLUMN":["EC_DV AS staff_gbn"],"CRUD":["SELECT"],"GROUP_BY":["GROUP BY EC_DV"],"TABLE":["ETCH004M"],"UNION 1":["SELECT EC_CLPS_DV_CD AS staff_gbn FROM ETCH005M WHERE NVL(USE_AYN, 'Y') <> 'N'"],"UNION ANALYSE 1":{"COLUMN":["EC_CLPS_DV_CD AS staff_gbn"],"CRUD":["SELECT"],"TABLE":["ETCH005M"],"WHERE":["NVL(USE_AYN, 'Y') <> 'N'"]},"WHERE":["(TO_DATE(SCH_REG_DT, 'YYYY-MM-DD') BETWEEN TO_DATE(SYSDATE, 'YYYY-MM-DD') AND TO_DATE(SYSDATE, 'YYYY-MM-DD'))"]}
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(SELECT EC_DV AS staff_gbn FROM ETCH004M WHERE (TO_DATE(SCH_REG_DT, 'YYYY-MM-DD') BETWEEN TO_DATE(SYSDATE, 'YYYY-MM-DD') AND TO_DATE(SYSDATE, 'YYYY-MM-DD')) GROUP BY GROUP BY EC_DV) UNION (SELECT EC_CLPS_DV_CD AS staff_gbn FROM ETCH005M WHERE NVL(USE_AYN, 'Y') <> 'N')
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package com.inzapp.jsonToSqlParser;
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import com.inzapp.jsonToSqlParser.config.Config;
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import com.inzapp.jsonToSqlParser.core.Parser;
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import net.sf.jsqlparser.parser.CCJSqlParserUtil;
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import org.json.JSONObject;
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import java.nio.charset.StandardCharsets;
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import java.security.MessageDigest;
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import java.security.NoSuchAlgorithmException;
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import java.io.BufferedReader;
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import java.io.FileOutputStream;
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import java.io.FileReader;
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public class JsonToSqlParser extends Parser {
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// /**
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// * entry point in execution jar file
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// *
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// * @param args [0] : input file name, default is "input.json"
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// * [1] : output file name, default is "output.txt"
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// */
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// public static void main(String[] args) {
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// String inputFileName = Config.INPUT_FILE_NAME;
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// String outputFileName = Config.OUTPUT_FILE_NAME;
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// if (args != null && args.length == 2) {
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// inputFileName = args[0];
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// outputFileName = args[1];
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// }
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//
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// JsonToSqlParser jsonToSqlParser = new JsonToSqlParser();
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// JSONObject json = jsonToSqlParser.readJsonFromFile(inputFileName);
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// if (json == null) {
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// System.out.println("failed to load json");
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// return;
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// }
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//
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// String sql = jsonToSqlParser.parse(json);
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// if (sql == null) {
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// System.out.println("parse failure");
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// return;
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// }
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//
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// try {
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// System.out.println("input json\n");
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// System.out.println(json.toString(4));
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// System.out.println();
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//
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// System.out.println("output sql\n");
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// System.out.println(sql);
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// System.out.println();
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// } catch (Exception e) {
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// e.printStackTrace();
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// }
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//
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// jsonToSqlParser.saveFile(sql, outputFileName);
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// System.out.println("parse success");
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// }
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/**
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* entry point in execution jar file
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*
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* @param args [0] : input file name, default is "input.json"
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* [1] : output file name, default is "output.txt"
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*/
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public static void main(String[] args) {
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String inputFileName = Config.INPUT_FILE_NAME;
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String outputFileName = Config.OUTPUT_FILE_NAME;
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if (args != null && args.length == 2) {
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inputFileName = args[0];
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outputFileName = args[1];
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}
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JsonToSqlParser jsonToSqlParser = new JsonToSqlParser();
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JSONObject json = jsonToSqlParser.readJsonFromFile(inputFileName);
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if (json == null) {
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System.out.println("failed to load json");
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return;
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}
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String sql = newJsonToSqlParser().parse(json.toString());
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if (sql == null) {
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System.out.println("parse failure");
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return;
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}
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try {
41+
System.out.println("input json\n");
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System.out.println(json.toString(4));
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System.out.println();
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System.out.println("output sql\n");
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System.out.println(sql);
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System.out.println();
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} catch (Exception e) {
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e.printStackTrace();
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}
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jsonToSqlParser.saveFile(sql, outputFileName);
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System.out.println("parse success");
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}
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/**
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* head method as java library
@@ -60,51 +61,53 @@ public class JsonToSqlParser extends Parser {
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*/
6162
public String parse(String jsonString) {
6263
try {
63-
String sql = new Parser().parse(new JSONObject(jsonString));
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JSONObject json = new JSONObject(jsonString);
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String sql = new Parser().parse(json);
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CCJSqlParserUtil.parse(sql); // query execution test
6567
return sql;
6668
} catch (Exception e) {
69+
e.printStackTrace();
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return null;
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}
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}
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/**
75+
* read json string from file and convert is to json object
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*
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* @param fileName input file name, default is "input.json"
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* @return converted json object
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*/
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private JSONObject readJsonFromFile(String fileName) {
81+
try {
82+
BufferedReader br = new BufferedReader(new FileReader(fileName));
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StringBuilder sb = new StringBuilder();
84+
while (true) {
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String line = br.readLine();
86+
if (line == null)
87+
break;
88+
89+
sb.append(line).append('\n');
90+
}
91+
String jsonString = sb.toString();
92+
return new JSONObject(jsonString);
93+
} catch (Exception e) {
94+
e.printStackTrace();
6795
return null;
6896
}
6997
}
7098

71-
// /**
72-
// * read json string from file and convert is to json object
73-
// *
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// * @param fileName input file name, default is "input.json"
75-
// * @return converted json object
76-
// */
77-
// private JSONObject readJsonFromFile(String fileName) {
78-
// try {
79-
// BufferedReader br = new BufferedReader(new FileReader(fileName));
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// StringBuilder sb = new StringBuilder();
81-
// while (true) {
82-
// String line = br.readLine();
83-
// if (line == null)
84-
// break;
85-
//
86-
// sb.append(line).append('\n');
87-
// }
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// String jsonString = sb.toString();
89-
// return new JSONObject(jsonString);
90-
// } catch (Exception e) {
91-
// e.printStackTrace();
92-
// return null;
93-
// }
94-
// }
95-
//
96-
// /**
97-
// * save converted sql string to file
98-
// *
99-
// * @param sql converted sql from parser
100-
// * @param fileName output file name, default is "output.txt"
101-
// */
102-
// private void saveFile(String sql, String fileName) {
103-
// try {
104-
// FileOutputStream fos = new FileOutputStream(fileName);
105-
// fos.write(sql.getBytes());
106-
// } catch (Exception e) {
107-
// e.printStackTrace();
108-
// }
109-
// }
99+
/**
100+
* save converted sql string to file
101+
*
102+
* @param sql converted sql from parser
103+
* @param fileName output file name, default is "output.txt"
104+
*/
105+
private void saveFile(String sql, String fileName) {
106+
try {
107+
FileOutputStream fos = new FileOutputStream(fileName);
108+
fos.write(sql.getBytes());
109+
} catch (Exception e) {
110+
e.printStackTrace();
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}
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}
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}

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