lineChange(), removeOuterBracket() 제거, comments

Author: inzapp

.idea/dictionaries/inner.xml

@@ -1,35 +1,6 @@
 {
   "CRUD": ["SELECT"],
-  "DISTINCT": ["TRUE"],
-  "COLUMN": ["VAL"],
-  "TABLE": ["((SELECT FIELD1 AS VAL FROM TABLE1 WHERE CONDITION1 = 'CONDITION1') UNION ALL (SELECT FIELD2 FROM TABLE1 WHERE CONDITION2 = 'CONDITION2') UNION ALL (SELECT FIELD3 FROM TABLE3 WHERE CONDITION3 = 'CONDITION3') UNION ALL (SELECT FIELD3 FROM TABLE3 WHERE CONDITION3 = 'CONDITION3')) T"],
-  "TABLE ALIAS": ["T"],
-  "TABLE SUB QUERY 1": ["((SELECT FIELD1 AS VAL FROM TABLE1 WHERE CONDITION1 = 'CONDITION1') UNION ALL (SELECT FIELD2 FROM TABLE1 WHERE CONDITION2 = 'CONDITION2') UNION ALL (SELECT FIELD3 FROM TABLE3 WHERE CONDITION3 = 'CONDITION3') UNION ALL (SELECT FIELD3 FROM TABLE3 WHERE CONDITION3 = 'CONDITION3'))"],
-  "TABLE SUB QUERY ANALYSE 1": {
-    "CRUD": ["SELECT"],
-    "COLUMN": ["FIELD1 AS VAL"],
-    "TABLE": ["TABLE1"],
-    "UNION ALL 1": ["SELECT FIELD2 FROM TABLE1 WHERE CONDITION2 = 'CONDITION2'"],
-    "UNION ALL 2": ["SELECT FIELD3 FROM TABLE3 WHERE CONDITION3 = 'CONDITION3'"],
-    "UNION ALL 3": ["SELECT FIELD3 FROM TABLE3 WHERE CONDITION3 = 'CONDITION3'"],
-    "UNION ALL ANALYSE 1": {
-      "CRUD": ["SELECT"],
-      "COLUMN": ["FIELD2"],
-      "TABLE": ["TABLE1"],
-      "WHERE": ["CONDITION2 = 'CONDITION2'"]
-    },
-    "UNION ALL ANALYSE 2": {
-      "CRUD": ["SELECT"],
-      "COLUMN": ["FIELD3"],
-      "TABLE": ["TABLE3"],
-      "WHERE": ["CONDITION3 = 'CONDITION3'"]
-    },
-    "UNION ALL ANALYSE 3": {
-      "CRUD": ["SELECT"],
-      "COLUMN": ["FIELD3"],
-      "TABLE": ["TABLE3"],
-      "WHERE": ["CONDITION3 = 'CONDITION3'"]
-    },
-    "WHERE": ["CONDITION1 = 'CONDITION1'"]
-  }
+  "COLUMN": ["COL"],
+  "TABLE": ["TABLE"],
+  "UNION 1": ["SELECT COL AS ALIAS FROM UNIONTABLE WHERE CON = 'CON'"]
 }

.idea/workspace.xml

@@ -1 +1 @@
-SELECT DISTINCT VAL FROM ((SELECT FIELD1 AS VAL FROM TABLE1 WHERE CONDITION1 = 'CONDITION1') UNION ALL (SELECT FIELD2 FROM TABLE1 WHERE CONDITION2 = 'CONDITION2') UNION ALL (SELECT FIELD3 FROM TABLE3 WHERE CONDITION3 = 'CONDITION3') UNION ALL (SELECT FIELD3 FROM TABLE3 WHERE CONDITION3 = 'CONDITION3')) T
+(SELECT COL FROM TABLE) UNION  (SELECT COL AS ALIAS FROM UNIONTABLE WHERE CON = 'CON')

input.json

@@ -1,7 +1,6 @@
 package com.inzapp.jsonToSqlParser;
 
 import com.inzapp.jsonToSqlParser.config.Config;
-import com.inzapp.jsonToSqlParser.config.JsonKey;
 import com.inzapp.jsonToSqlParser.core.Parser;
 import net.sf.jsqlparser.parser.CCJSqlParserUtil;
 import org.json.JSONObject;
@@ -11,6 +10,12 @@
 import java.io.FileReader;
 
 public class JsonToSqlParser extends Parser {
+    /**
+     * entry point in execution jar file
+     *
+     * @param args [0] : input file name, default is "input.json"
+     *             [1] : output file name, default is "output.txt"
+     */
     public static void main(String[] args) {
         String inputFileName = Config.INPUT_FILE_NAME;
         String outputFileName = Config.OUTPUT_FILE_NAME;
@@ -31,8 +36,6 @@ public static void main(String[] args) {
             System.out.println("parse failure");
             return;
         }
-        sql = jsonToSqlParser.removeOuterBracket(sql);
-//        sql = jsonToSqlParser.changeLine(sql);
 
         try {
             System.out.println("input json\n");
@@ -50,42 +53,28 @@ public static void main(String[] args) {
         System.out.println("parse success");
     }
 
+    /**
+     * head method as java library
+     *
+     * @param jsonString json string from sql
+     * @return converted sql string
+     */
     public String parse(String jsonString) {
         try {
             String sql = new Parser().parse(new JSONObject(jsonString));
-            sql = removeOuterBracket(sql);
-//            sql = changeLine(sql);
-            // TODO : auto line change
             CCJSqlParserUtil.parse(sql); // query execution test
             return sql;
         } catch (Exception e) {
             return null;
         }
     }
 
-    private String removeOuterBracket(String sql) {
-        if (sql.charAt(0) == '(' && sql.charAt(sql.length() - 1) == ')') {
-            StringBuilder sb = new StringBuilder(sql);
-            sb.deleteCharAt(0);
-            sb.deleteCharAt(sb.length() - 1);
-            return sb.toString();
-        } else return sql;
-    }
-
-    private String changeLine(String sql) {
-        sql = sql.replaceAll(JsonKey.SELECT, JsonKey.SELECT + '\n');
-        sql = sql.replaceAll(JsonKey.UPDATE, JsonKey.UPDATE + '\n');
-//        sql = sql.replaceAll(JsonKey.DELETE, JsonKey.DELETE + '\n');
-
-        sql = sql.replaceAll("FROM", "\nFROM\n");
-        sql = sql.replaceAll("WHERE", "\nWHERE\n");
-        sql = sql.replaceAll("AND", "AND\n");
-        sql = sql.replaceAll(",", ",\n");
-        sql = sql.replaceAll("\\(", "\\(\n");
-        sql = sql.replaceAll("\\)", "\\)\n");
-        return sql;
-    }
-
+    /**
+     * read json string from file and convert is to json object
+     *
+     * @param fileName input file name, default is "input.json"
+     * @return converted json object
+     */
     private JSONObject readJsonFromFile(String fileName) {
         try {
             BufferedReader br = new BufferedReader(new FileReader(fileName));
@@ -97,7 +86,6 @@ private JSONObject readJsonFromFile(String fileName) {
 
                 sb.append(line).append('\n');
             }
-
             String jsonString = sb.toString();
             return new JSONObject(jsonString);
         } catch (Exception e) {
@@ -106,6 +94,12 @@ private JSONObject readJsonFromFile(String fileName) {
         }
     }
 
+    /**
+     * save converted sql string to file
+     *
+     * @param sql converted sql from parser
+     * @param fileName output file name, default is "output.txt"
+     */
     private void saveFile(String sql, String fileName) {
         try {
             FileOutputStream fos = new FileOutputStream(fileName);

out/production/json-to-sql-parser/com/inzapp/jsonToSqlParser/JsonToSqlParser.class

@@ -7,10 +7,25 @@
 import org.json.JSONObject;
 
 public class Parser extends JsonManager {
+    /**
+     * head method of Parser
+     * parse json object to sql string
+     *
+     * @param json not converted json object
+     * @return converted sql string
+     */
     public String parse(JSONObject json) {
         return parse(json, false);
     }
 
+    /**
+     * only used for parsing union select
+     *
+     * @param json not converted json object
+     * @param exceptUnion if true, parse without union statement
+     *                    else, parse with union statement
+     * @return parsed sql string
+     */
     public String parse(JSONObject json, boolean exceptUnion) {
         setJson(json);
         Statement statement;
@@ -21,8 +36,7 @@ public String parse(JSONObject json, boolean exceptUnion) {
                 break;
 
             case JsonKey.SELECT:
-                if(exceptUnion) statement = new SelectParser().parse(json);
-                else statement = new UnionSelectParser().parse(json);
+                statement = exceptUnion ? new SelectParser().parse(json) : new UnionSelectParser().parse(json);
                 break;
 
             case JsonKey.UPDATE:

out/production/json-to-sql-parser/com/inzapp/jsonToSqlParser/core/Parser.class

@@ -12,22 +12,37 @@
 import java.util.List;
 
 public class DeleteParser extends JsonManager {
+    /**
+     * delete statement for return
+     */
     private Delete delete = new Delete();
 
+    /**
+     * head method of delete parser
+     *
+     * @param json not converted pure json object
+     * @return converted delete statement
+     */
     public Delete parse(JSONObject json) {
         setJson(json);
         addTable();
         addWhere();
         return delete;
     }
 
+    /**
+     * add table to delete statement
+     */
     private void addTable() {
         // table
         List<String> tables = getFromJson(JsonKey.FROM);
         if (tables != null)
             this.delete.setTable(new Table(tables.get(0)));
     }
 
+    /**
+     * add where to delete statement
+     */
     private void addWhere() {
         // where
         List<String> wheres = getFromJson(JsonKey.WHERE);

out/production/json-to-sql-parser/com/inzapp/jsonToSqlParser/core/crudParser/DeleteParser$1.class

@@ -15,8 +15,17 @@
 import java.util.List;
 
 public class InsertParser extends JsonManager {
+    /**
+     * insert statement for return
+     */
     private Insert insert = new Insert();
 
+    /**
+     * head method of insert parser
+     *
+     * @param json not converted json object
+     * @return converted insert statement
+     */
     public Insert parse(JSONObject json) {
         setJson(json);
         addTable();
@@ -25,6 +34,9 @@ public Insert parse(JSONObject json) {
         return this.insert;
     }
 
+    /**
+     * add table to insert statement
+     */
     private void addTable() {
         // table
         List<String> tables = getFromJson(JsonKey.FROM);
@@ -34,6 +46,9 @@ private void addTable() {
         }
     }
 
+    /**
+     * add columns to insert statement
+     */
     private void addColumns() {
         // columns
         List<String> columns = getFromJson(JsonKey.COLUMN);
@@ -44,6 +59,9 @@ private void addColumns() {
         }
     }
 
+    /**
+     * add values to insert statement
+     */
     private void addValues() {
         // values
         List<String> values = getFromJson(JsonKey.VALUE);