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.dialect.mysql.ast.expr;
  
  import com.alibaba.druid.sql.ast.expr.SQLCharExpr;
  import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlASTVisitor;
  import com.alibaba.druid.sql.visitor.SQLASTVisitor;
  
  public class MySqlCharExpr extends SQLCharExpr implements MySqlExpr {
      private String charset;
      private String collate;
  
      private String type;
      protected boolean parenthesized;
      public MySqlCharExpr() {
      }
  
      public MySqlCharExpr(String text) {
          super(text);
      }
  
      public MySqlCharExpr(String text, String charset) {
          super(text);
          this.charset = charset;
      }
  
      public MySqlCharExpr(String text, String charset, String collate) {
          super(text);
          this.charset = charset;
          this.collate = collate;
      }
  
      public String getCharset() {
          return charset;
      }
  
      public void setCharset(String charset) {
          this.charset = charset;
      }
  
      public String getCollate() {
          return collate;
      }
  
      public void setCollate(String collate) {
          this.collate = collate;
      }
  
      public String getType() {
          return type;
      }
  
      public void setType(String type) {
          this.type = type;
      }
  
      @Override
      public boolean isParenthesized() {
          return parenthesized;
      }
  
      @Override
      public void setParenthesized(boolean parenthesized) {
          this.parenthesized = parenthesized;
      }
  
      public void output(StringBuilder buf) {
          if (charset != null) {
              buf.append(charset);
              buf.append(' ');
          }
          if (super.text != null) {
              super.output(buf);
          }
  
          if (collate != null) {
              buf.append(" COLLATE ");
              buf.append(collate);
          }
      }
  
      @Override
      protected void accept0(SQLASTVisitor visitor) {
          if (visitor instanceof MySqlASTVisitor) {
              accept0((MySqlASTVisitor) visitor);
          } else {
              visitor.visit(this);
              visitor.endVisit(this);
          }
      }
  
      public void accept0(MySqlASTVisitor visitor) {
          visitor.visit(this);
          visitor.endVisit(this);
      }
  
      public String toString() {
          StringBuilder buf = new StringBuilder();
          output(buf);
          return buf.toString();
      }
  
      public MySqlCharExpr clone() {
          MySqlCharExpr x = new MySqlCharExpr(text);
          x.collate = collate;
          x.charset = charset;
          x.type = type;
  
          return x;
      }
  }
  