content: /*
   * Copyright 1999-2017 Alibaba Group Holding Ltd.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package com.alibaba.druid.sql.ast.statement;
  
  import com.alibaba.druid.sql.SQLUtils;
  import com.alibaba.druid.sql.ast.SQLCommentHint;
  import com.alibaba.druid.sql.ast.SQLDataTypeImpl;
  import com.alibaba.druid.sql.ast.SQLExpr;
  import com.alibaba.druid.sql.ast.expr.SQLIntegerExpr;
  import com.alibaba.druid.sql.visitor.SQLASTVisitor;
  import com.alibaba.druid.util.FnvHash;
  
  import java.sql.Types;
  import java.util.List;
  
  public class SQLCharacterDataType extends SQLDataTypeImpl {
      private String charSetName;
      private String collate;
  
      private String charType;
      private boolean hasBinary;
  
      public List<SQLCommentHint> hints;
  
      public static final String CHAR_TYPE_BYTE = "BYTE";
      public static final String CHAR_TYPE_CHAR = "CHAR";
  
      public SQLCharacterDataType(String name) {
          super(name);
      }
  
      public SQLCharacterDataType(String name, int precision) {
          super(name, precision);
      }
  
      public String getCharSetName() {
          return charSetName;
      }
  
      public void setCharSetName(String charSetName) {
          this.charSetName = charSetName;
      }
  
      public boolean isHasBinary() {
          return hasBinary;
      }
  
      public void setHasBinary(boolean hasBinary) {
          this.hasBinary = hasBinary;
      }
  
      public String getCollate() {
          return collate;
      }
  
      public void setCollate(String collate) {
          this.collate = collate;
      }
  
      public String getCharType() {
          return charType;
      }
  
      public void setCharType(String charType) {
          this.charType = charType;
      }
  
      public List<SQLCommentHint> getHints() {
          return hints;
      }
  
      public void setHints(List<SQLCommentHint> hints) {
          this.hints = hints;
      }
  
      public int getLength() {
          if (this.arguments.size() == 1) {
              SQLExpr arg = this.arguments.get(0);
              if (arg instanceof SQLIntegerExpr) {
                  return ((SQLIntegerExpr) arg).getNumber().intValue();
              }
          }
  
          return -1;
      }
  
      @Override
      protected void accept0(SQLASTVisitor visitor) {
          if (visitor.visit(this)) {
              for (int i = 0; i < arguments.size(); i++) {
                  SQLExpr arg = arguments.get(i);
                  if (arg != null) {
                      arg.accept(visitor);
                  }
              }
          }
  
          visitor.endVisit(this);
      }
  
      public SQLCharacterDataType clone() {
          SQLCharacterDataType x = new SQLCharacterDataType(getName());
  
          super.cloneTo(x);
  
          x.charSetName = charSetName;
          x.collate = collate;
          x.charType = charType;
          x.hasBinary = hasBinary;
  
          return x;
      }
  
      @Override
      public String toString() {
          return SQLUtils.toSQLString(this);
      }
  
      public int jdbcType() {
          long nameNash = nameHashCode64();
  
          if (nameNash == FnvHash.Constants.NCHAR) {
              return Types.NCHAR;
          }
  
          if (nameNash == FnvHash.Constants.CHAR || nameNash == FnvHash.Constants.JSON) {
              return Types.CHAR;
          }
  
          if (nameNash == FnvHash.Constants.VARCHAR
                  || nameNash == FnvHash.Constants.VARCHAR2
                  || nameNash == FnvHash.Constants.STRING) {
              return Types.VARCHAR;
          }
  
          if (nameNash == FnvHash.Constants.NVARCHAR || nameNash == FnvHash.Constants.NVARCHAR2) {
              return Types.NVARCHAR;
          }
  
          return Types.OTHER;
      }
  }
  