Esempio n. 1
0
  /**
   * Validates a column against the model's field definition. Checks for existence, supported type,
   * type mapping, default value, defined lengths, primary key, autoincrement.
   */
  private void validate(
      List<ValidationRemark> remarks, FieldDefinition fieldDef, boolean throwError) {
    // unknown field
    if (!columns.containsKey(fieldDef.columnName.toLowerCase())) {
      // unknown column mapping
      remarks.add(error(table, fieldDef, "Does not exist in database!").throwError(throwError));
      return;
    }
    ColumnInspector col = columns.get(fieldDef.columnName.toLowerCase());
    Class<?> fieldClass = fieldDef.field.getType();
    Class<?> jdbcClass = ModelUtils.getClassForSqlType(col.type, dateTimeClass);

    // supported type check
    // iciql maps to VARCHAR for unsupported types.
    if (fieldDef.dataType.equals("VARCHAR") && (fieldClass != String.class)) {
      remarks.add(
          error(
                  table,
                  fieldDef,
                  "iciql does not currently implement support for " + fieldClass.getName())
              .throwError(throwError));
    }
    // number types
    if (!fieldClass.equals(jdbcClass)) {
      if (Number.class.isAssignableFrom(fieldClass)) {
        remarks.add(
            warn(
                table,
                col,
                format(
                    "Precision mismatch: ModelObject={0}, ColumnObject={1}",
                    fieldClass.getSimpleName(), jdbcClass.getSimpleName())));
      } else {
        if (!Date.class.isAssignableFrom(jdbcClass)) {
          remarks.add(
              warn(
                  table,
                  col,
                  format(
                      "Object Mismatch: ModelObject={0}, ColumnObject={1}",
                      fieldClass.getSimpleName(), jdbcClass.getSimpleName())));
        }
      }
    }

    // string types
    if (fieldClass == String.class) {
      if ((fieldDef.length != col.size) && (col.size < Integer.MAX_VALUE)) {
        remarks.add(
            warn(
                table,
                col,
                format(
                    "{0}.length={1}, ColumnMaxLength={2}",
                    IQColumn.class.getSimpleName(), fieldDef.length, col.size)));
      }
      if (fieldDef.length > 0 && !fieldDef.trim) {
        remarks.add(
            consider(
                table,
                col,
                format(
                    "{0}.trim=true will prevent IciqlExceptions on"
                        + " INSERT or UPDATE, but will clip data!",
                    IQColumn.class.getSimpleName())));
      }
    }

    // numeric autoIncrement
    if (fieldDef.isAutoIncrement != col.isAutoIncrement) {
      remarks.add(
          warn(
              table,
              col,
              format(
                  "{0}.autoIncrement={1}" + " while Column autoIncrement={2}",
                  IQColumn.class.getSimpleName(), fieldDef.isAutoIncrement, col.isAutoIncrement)));
    }
    // default value
    if (!col.isAutoIncrement && !col.isPrimaryKey) {
      String defaultValue = null;
      if (fieldDef.defaultValue != null && fieldDef.defaultValue instanceof String) {
        defaultValue = fieldDef.defaultValue.toString();
      }
      // check Model.defaultValue format
      if (!ModelUtils.isProperlyFormattedDefaultValue(defaultValue)) {
        remarks.add(
            error(
                    table,
                    col,
                    format(
                        "{0}.defaultValue=\"{1}\"" + " is improperly formatted!",
                        IQColumn.class.getSimpleName(), defaultValue))
                .throwError(throwError));
        // next field
        return;
      }
      // compare Model.defaultValue to Column.defaultValue
      if (isNullOrEmpty(defaultValue) && !isNullOrEmpty(col.defaultValue)) {
        // Model.defaultValue is NULL, Column.defaultValue is NOT NULL
        remarks.add(
            warn(
                table,
                col,
                format(
                    "{0}.defaultValue=\"\"" + " while column default=\"{1}\"",
                    IQColumn.class.getSimpleName(), col.defaultValue)));
      } else if (!isNullOrEmpty(defaultValue) && isNullOrEmpty(col.defaultValue)) {
        // Column.defaultValue is NULL, Model.defaultValue is NOT NULL
        remarks.add(
            warn(
                table,
                col,
                format(
                    "{0}.defaultValue=\"{1}\"" + " while column default=\"\"",
                    IQColumn.class.getSimpleName(), defaultValue)));
      } else if (!isNullOrEmpty(defaultValue) && !isNullOrEmpty(col.defaultValue)) {
        if (!defaultValue.equals(col.defaultValue)) {
          // Model.defaultValue != Column.defaultValue
          remarks.add(
              warn(
                  table,
                  col,
                  format(
                      "{0}.defaultValue=\"{1}\"" + " while column default=\"{2}\"",
                      IQColumn.class.getSimpleName(), defaultValue, col.defaultValue)));
        }
      }

      // sanity check Model.defaultValue literal value
      if (!ModelUtils.isValidDefaultValue(fieldDef.field.getType(), defaultValue)) {
        remarks.add(
            error(
                table,
                col,
                format(
                    "{0}.defaultValue=\"{1}\" is invalid!",
                    IQColumn.class.getSimpleName(), defaultValue)));
      }
    }
  }
Esempio n. 2
0
  private StatementBuilder generateColumn(
      Set<String> imports, ColumnInspector col, boolean trimStrings) {
    StatementBuilder sb = new StatementBuilder();
    Class<?> clazz = col.clazz;
    String column = ModelUtils.convertColumnToFieldName(col.name.toLowerCase());
    sb.append('\t');
    if (clazz == null) {
      // unsupported type
      clazz = Object.class;
      sb.append("// unsupported type " + col.type);
    } else {
      // Imports
      // don't import primitives, java.lang classes, or byte []
      if (clazz.getPackage() == null) {
      } else if (clazz.getPackage().getName().equals("java.lang")) {
      } else if (clazz.equals(byte[].class)) {
      } else {
        imports.add(clazz.getCanonicalName());
      }
      // @IQColumn
      sb.append('@').append(IQColumn.class.getSimpleName());

      // IQColumn annotation parameters
      AnnotationBuilder ap = new AnnotationBuilder();

      // IQColumn.name
      if (!col.name.equalsIgnoreCase(column)) {
        ap.addParameter("name", col.name);
      }

      // IQColumn.primaryKey
      // composite primary keys are annotated on the table
      if (col.isPrimaryKey && primaryKeys.size() == 1) {
        ap.addParameter("primaryKey=true");
      }

      // IQColumn.length
      if ((clazz == String.class) && (col.size > 0) && (col.size < Integer.MAX_VALUE)) {
        ap.addParameter("length", col.size);

        // IQColumn.trim
        if (trimStrings) {
          ap.addParameter("trim=true");
        }
      } else {
        // IQColumn.AutoIncrement
        if (col.isAutoIncrement) {
          ap.addParameter("autoIncrement=true");
        }
      }

      // IQColumn.nullable
      if (!col.nullable) {
        ap.addParameter("nullable=false");
      }

      // IQColumn.defaultValue
      if (!isNullOrEmpty(col.defaultValue)) {
        ap.addParameter("defaultValue=\"" + col.defaultValue + "\"");
      }

      // add leading and trailing ()
      if (ap.length() > 0) {
        ap.insert(0, '(');
        ap.append(')');
      }
      sb.append(ap);
    }
    sb.append(eol);

    // variable declaration
    sb.append("\t" + "public ");
    sb.append(clazz.getSimpleName());
    sb.append(' ');
    sb.append(column);
    sb.append(';');
    sb.append(eol).append(eol);
    return sb;
  }