Пример #1
0
  public String selectColumnfromTable(String DBname, String tableName, String[] columnName)
      throws ParserConfigurationException, SAXException, IOException {
    count = 0;
    if (!checkDB(DBname)) {
      MyLogger.Log().error(DBMS.DB_NOT_FOUND);
      return DBMS.DB_NOT_FOUND;
    }

    if (!checkTable(DBname, tableName)) {
      MyLogger.Log().error(DBMS.TABLE_NOT_FOUND);
      return DBMS.TABLE_NOT_FOUND;
    }
    if (!justcheckcolumn(DBname, tableName, columnName)) {
      MyLogger.Log().error(DBMS.COLUMN_NOT_FOUND);
      return DBMS.COLUMN_NOT_FOUND;
    }

    String dir = DBMS_Directory + "\\DB " + DBname + "\\" + tableName + ".xml";
    Document doc = Load(dir);
    doc.getDocumentElement().normalize();
    int numOfColumns = columnName.length;
    ArrayList<String> cn = new ArrayList<String>();
    for (int i = 0; i < columnName.length; i++) {
      cn.add(columnName[i]);
    }
    String values = "";
    int countValues = 0;
    NodeList nl = doc.getElementsByTagName(tableName);
    NodeList n = nl.item(0).getChildNodes();
    for (int i = 0; i < n.getLength(); i++) {
      NodeList rows = n.item(i).getChildNodes();
      for (int j = 0; j < rows.getLength(); j++) {
        if (cn.contains(rows.item(j).getNodeName())) {
          countValues++;
          if (numOfColumns == countValues) {
            values = values + rows.item(j).getChildNodes().item(0).getNodeValue();
          } else {
            values = values + rows.item(j).getChildNodes().item(0).getNodeValue() + "  ";
          }
        }
      }
      if (numOfColumns == countValues) {
        values += "\n";
        count++;
        countValues = 0;
      }
    }
    if (values == "") {
      MyLogger.Log().error(DBMS.NOT_MATCH_CRITERIA);
      return DBMS.NOT_MATCH_CRITERIA;
    }
    values = values.substring(0, values.length() - 1);
    LastRow = maxRownumber(DBname, tableName);
    return values;
  }
Пример #2
0
 public String selectAllTable(String DBname, String tableName)
     throws ParserConfigurationException, SAXException, IOException {
   if (!checkDB(DBname)) {
     MyLogger.Log().error(DBMS.DB_NOT_FOUND);
     return DBMS.DB_NOT_FOUND;
   }
   if (!checkTable(DBname, tableName)) {
     MyLogger.Log().error(DBMS.TABLE_NOT_FOUND);
     return DBMS.TABLE_NOT_FOUND;
   }
   String dir = DBMS_Directory + "\\DB " + DBname + "\\" + tableName + ".xml";
   Document doc = Load(dir);
   doc.getDocumentElement().normalize();
   NodeList nodeList = doc.getElementsByTagName("*");
   String columns = "";
   int numOfColumns = 0;
   for (int i = 1; i < nodeList.getLength(); i++) {
     Element fileElement = (Element) nodeList.item(i);
     if (!fileElement.getNodeName().toString().contains("ROW_NUM")
         && !columns.contains(fileElement.getNodeName().toString())) {
       columns = columns + fileElement.getNodeName() + "  ";
       numOfColumns++;
     }
   }
   String values = "";
   int countValues = 0;
   NodeList nl = doc.getElementsByTagName(tableName);
   NodeList n = nl.item(0).getChildNodes();
   for (int i = 0; i < n.getLength(); i++) {
     NodeList rows = n.item(i).getChildNodes();
     for (int j = 0; j < rows.getLength(); j++) {
       countValues++;
       if (numOfColumns == countValues) {
         values = values + rows.item(j).getChildNodes().item(0).getNodeValue();
       } else {
         values = values + rows.item(j).getChildNodes().item(0).getNodeValue() + "  ";
       }
     }
     if (numOfColumns == countValues) {
       values += "\n";
       countValues = 0;
     }
   }
   if (values == "") {
     MyLogger.Log().error(DBMS.NOT_MATCH_CRITERIA);
     return DBMS.NOT_MATCH_CRITERIA;
   }
   values = values.substring(0, values.length() - 1);
   LastRow = maxRownumber(DBname, tableName);
   MyLogger.Log().info(DBMS.Con_Select);
   return values;
 }
Пример #3
0
 public String selectRowFromColumn(
     String DBname,
     String tableName,
     String[] columnNames,
     String condition,
     String conditionValue,
     String valuetype,
     int comp)
     throws ParserConfigurationException, SAXException, IOException {
   count = 0;
   if (!checkDB(DBname)) {
     MyLogger.Log().error(DBMS.DB_NOT_FOUND);
     return DBMS.DB_NOT_FOUND;
   }
   if (!checkTable(DBname, tableName)) {
     MyLogger.Log().error(DBMS.TABLE_NOT_FOUND);
     return DBMS.TABLE_NOT_FOUND;
   }
   if (!justcheckcolumn(DBname, tableName, columnNames)) {
     MyLogger.Log().error(DBMS.COLUMN_NOT_FOUND);
     return DBMS.COLUMN_NOT_FOUND;
   }
   String[] rr = new String[1];
   rr[0] = valuetype.toLowerCase();
   String[] r = new String[1];
   r[0] = condition.toLowerCase();
   String temp = checkcolumn(DBname, tableName, r, rr);
   if (!temp.equals("good")) {
     MyLogger.Log().error(temp);
     return temp;
   }
   String dir = DBMS_Directory + "\\DB " + DBname + "\\" + tableName + ".xml";
   Document doc = Load(dir);
   doc.getDocumentElement().normalize();
   ArrayList<String> cn = new ArrayList<String>();
   for (int i = 0; i < columnNames.length && !columnNames[i].equals(""); i++) {
     cn.add(columnNames[i].toLowerCase());
   }
   String values = "";
   NodeList nl = doc.getElementsByTagName(tableName);
   NodeList n = nl.item(0).getChildNodes();
   boolean print = false;
   for (int i = 0; i < n.getLength(); i++) {
     NodeList rows = n.item(i).getChildNodes();
     for (int j = 0; j < rows.getLength(); j++) {
       String x = rows.item(j).getChildNodes().item(0).getNodeValue();
       switch (comp) {
         case 0:
           if (rows.item(j).getNodeName().equals(condition.toLowerCase())
               && x.equals(conditionValue)) {
             for (int k = 0; k < rows.getLength(); k++) {
               if (cn.contains(rows.item(k).getNodeName())) {
                 values += rows.item(k).getChildNodes().item(0).getNodeValue() + '\n';
                 count++;
                 if (rows.item(j).getParentNode().getNodeName().contains("ROW_NUM")) {
                   String s = rows.item(j).getParentNode().getNodeName().toString();
                   s = s.replaceAll("\\D+", "");
                   LastRow = Integer.parseInt(s);
                 }
               }
             }
           }
           break;
         case 1:
           if (rows.item(j).getNodeName().equals(condition.toLowerCase())
               && cn.contains(condition.toLowerCase())) {
             double a = Double.parseDouble(rows.item(j).getChildNodes().item(0).getNodeValue());
             double b = Double.parseDouble(condition);
             if (a > b) {
               print = true;
               count++;
               if (rows.item(j).getParentNode().getNodeName().contains("ROW_NUM")) {
                 String s = rows.item(j).getParentNode().getNodeName().toString();
                 s = s.replaceAll("\\D+", "");
                 LastRow = Integer.parseInt(s);
               }
             }
           }
           break;
         case -1:
           if (cn.contains(condition.toLowerCase())
               && rows.item(j).getNodeName().equals(condition.toLowerCase())) {
             double a = Double.parseDouble(rows.item(j).getChildNodes().item(0).getNodeValue());
             double b = Double.parseDouble(condition);
             if (a < b) {
               count++;
               print = true;
               if (rows.item(j).getParentNode().getNodeName().contains("ROW_NUM")) {
                 String s = rows.item(j).getParentNode().getNodeName().toString();
                 s = s.replaceAll("\\D+", "");
                 LastRow = Integer.parseInt(s);
               }
             }
           }
           break;
         default:
           break;
       }
       if (print == true) {
         for (int k = 0; k < rows.getLength(); k++) {
           if (cn.contains(rows.item(k).getNodeName())) {
             values += rows.item(k).getChildNodes().item(0).getNodeValue() + '\n';
           }
         }
       }
       print = false;
     }
   }
   if (values.length() == 0) {
     MyLogger.Log().error(DBMS.NOT_MATCH_CRITERIA);
     return DBMS.NOT_MATCH_CRITERIA;
   }
   values = values.substring(0, values.length() - 1);
   MyLogger.Log().info(DBMS.Con_Select);
   return values;
 }
Пример #4
0
 public String selectrow(
     String DBname,
     String tableName,
     String columnNames,
     String condition,
     String valuetype,
     int comp)
     throws ParserConfigurationException, SAXException, IOException {
   count = 0;
   if (!checkDB(DBname)) {
     MyLogger.Log().equals(DBMS.DB_NOT_FOUND);
     return DBMS.DB_NOT_FOUND;
   }
   if (!checkTable(DBname, tableName)) {
     MyLogger.Log().error(DBMS.TABLE_NOT_FOUND);
     return DBMS.TABLE_NOT_FOUND;
   }
   String[] r = new String[1];
   r[0] = columnNames;
   String[] rr = new String[1];
   rr[0] = valuetype;
   if (!checkcolumn(DBname, tableName, r, rr).equals("good")) {
     return checkcolumn(DBname, tableName, r, rr);
   }
   String dir = DBMS_Directory + "\\DB " + DBname + "\\" + tableName + ".xml";
   Document doc = Load(dir);
   doc.getDocumentElement().normalize();
   NodeList nodeList = doc.getElementsByTagName("*");
   String columns = "";
   int numOfColumns = 0;
   for (int i = 1; i < nodeList.getLength(); i++) {
     Element fileElement = (Element) nodeList.item(i);
     if (!fileElement.getNodeName().toString().contains("ROW_NUM")
         && !columns.contains(fileElement.getNodeName().toString())) {
       columns = columns + fileElement.getNodeName() + "\t";
       numOfColumns++;
     }
   }
   String values = "";
   String rowValue = "";
   int countValues = 0;
   NodeList nl = doc.getElementsByTagName(tableName);
   NodeList n = nl.item(0).getChildNodes();
   boolean print = false;
   for (int i = 0; i < n.getLength(); i++) {
     NodeList rows = n.item(i).getChildNodes();
     for (int j = 0; j < rows.getLength(); j++) {
       String x = rows.item(j).getChildNodes().item(0).getNodeValue();
       switch (comp) {
         case 0:
           if (rows.item(j).getNodeName().equals(columnNames) && x.equals(condition)) {
             print = true;
             count++;
             if (rows.item(j).getParentNode().getNodeName().contains("ROW_NUM")) {
               String s = rows.item(j).getParentNode().getNodeName().toString();
               s = s.replaceAll("\\D+", "");
               LastRow = Integer.parseInt(s);
             }
           }
           break;
         case 1:
           if (rows.item(j).getNodeName().equals(columnNames)) {
             double a = Double.parseDouble(rows.item(j).getChildNodes().item(0).getNodeValue());
             double b = Double.parseDouble(condition);
             if (a > b) {
               count++;
               print = true;
               if (rows.item(j).getParentNode().getNodeName().contains("ROW_NUM")) {
                 String s = rows.item(j).getParentNode().getNodeName().toString();
                 s = s.replaceAll("\\D+", "");
                 LastRow = Integer.parseInt(s);
               }
             }
           }
           break;
         case -1:
           if (rows.item(j).getNodeName() == columnNames) {
             double a = Double.parseDouble(rows.item(j).getChildNodes().item(0).getNodeValue());
             double b = Double.parseDouble(condition);
             if (a < b) {
               count++;
               print = true;
               if (rows.item(j).getParentNode().getNodeName().contains("ROW_NUM")) {
                 String s = rows.item(j).getParentNode().getNodeName().toString();
                 s = s.replaceAll("\\D+", "");
                 LastRow = Integer.parseInt(s);
               }
             }
           }
           break;
         default:
           break;
       }
       countValues++;
       if (numOfColumns == countValues) {
         rowValue = rowValue + rows.item(j).getChildNodes().item(0).getNodeValue();
       } else {
         rowValue = rowValue + rows.item(j).getChildNodes().item(0).getNodeValue() + "  ";
       }
     }
     if (print) values += rowValue;
     rowValue = "";
     if (numOfColumns == countValues && print) {
       values += "\n";
     }
     print = false;
     countValues = 0;
   }
   if (values == "") {
     MyLogger.Log().error(DBMS.NOT_MATCH_CRITERIA);
     return DBMS.NOT_MATCH_CRITERIA;
   }
   values = values.substring(0, values.length() - 1);
   MyLogger.Log().info(DBMS.Con_Select);
   return values;
 }