add sqlserver ParameterizedOutputVisitor

src/main/java/com/alibaba/druid/sql/SQLUtils.java

@@ -183,6 +183,10 @@ public class SQLUtils {
         if (JdbcUtils.SQL_SERVER.equals(dbType)) {
             return new SQLServerOutputVisitor(out);
         }
+        
+        if (JdbcUtils.JTDS.equals(dbType)) {
+            return new SQLServerOutputVisitor(out);
+        }
 
         if (JdbcUtils.H2.equals(dbType)) {
             return new MySqlOutputVisitor(out);
@@ -211,6 +215,10 @@ public class SQLUtils {
         if (JdbcUtils.SQL_SERVER.equals(dbType)) {
             return new SQLServerSchemaStatVisitor();
         }
+        
+        if (JdbcUtils.JTDS.equals(dbType)) {
+            return new SQLServerSchemaStatVisitor();
+        }
 
         if (JdbcUtils.H2.equals(dbType)) {
             return new MySqlSchemaStatVisitor();

src/main/java/com/alibaba/druid/sql/ast/SQLOver.java

@@ -5,6 +5,21 @@ import java.util.List;
 
 import com.alibaba.druid.sql.visitor.SQLASTVisitor;
 
+/*
+ * Copyright 1999-2011 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.
+ */
 public class SQLOver extends SQLObjectImpl {
 
     private static final long     serialVersionUID = 1L;

src/main/java/com/alibaba/druid/sql/dialect/sqlserver/visitor/SQLServerParameterizedOutputVisitor.java

@@ -0,0 +1,83 @@
+/*
+ * Copyright 1999-2011 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.sqlserver.visitor;
+
+import com.alibaba.druid.sql.ast.expr.SQLBinaryOpExpr;
+import com.alibaba.druid.sql.ast.expr.SQLCharExpr;
+import com.alibaba.druid.sql.ast.expr.SQLInListExpr;
+import com.alibaba.druid.sql.ast.expr.SQLIntegerExpr;
+import com.alibaba.druid.sql.ast.expr.SQLNCharExpr;
+import com.alibaba.druid.sql.ast.expr.SQLNullExpr;
+import com.alibaba.druid.sql.ast.expr.SQLNumberExpr;
+import com.alibaba.druid.sql.visitor.ParameterizedOutputVisitorUtils;
+
+public class SQLServerParameterizedOutputVisitor extends SQLServerOutputVisitor {
+
+    public SQLServerParameterizedOutputVisitor(Appendable appender){
+        super(appender);
+    }
+
+    public boolean visit(SQLInListExpr x) {
+        return ParameterizedOutputVisitorUtils.visit(this, x);
+    }
+
+    public boolean visit(SQLBinaryOpExpr x) {
+        x = ParameterizedOutputVisitorUtils.merge(x);
+
+        return super.visit(x);
+    }
+
+    public boolean visit(SQLNullExpr x) {
+        print('?');
+        return false;
+    }
+
+    public boolean visit(SQLIntegerExpr x) {
+        if (Boolean.TRUE.equals(x.getAttribute(ParameterizedOutputVisitorUtils.ATTR_PARAMS_SKIP))) {
+            return super.visit(x);
+        }
+
+        print('?');
+        return false;
+    }
+
+    public boolean visit(SQLNumberExpr x) {
+        if (Boolean.TRUE.equals(x.getAttribute(ParameterizedOutputVisitorUtils.ATTR_PARAMS_SKIP))) {
+            return super.visit(x);
+        }
+
+        print('?');
+        return false;
+    }
+
+    public boolean visit(SQLCharExpr x) {
+        if (Boolean.TRUE.equals(x.getAttribute(ParameterizedOutputVisitorUtils.ATTR_PARAMS_SKIP))) {
+            return super.visit(x);
+        }
+
+        print('?');
+        return false;
+    }
+
+    public boolean visit(SQLNCharExpr x) {
+        if (Boolean.TRUE.equals(x.getAttribute(ParameterizedOutputVisitorUtils.ATTR_PARAMS_SKIP))) {
+            return super.visit(x);
+        }
+
+        print('?');
+        return false;
+    }
+}

src/main/java/com/alibaba/druid/sql/parser/SQLParserUtils.java

@@ -43,6 +43,10 @@ public class SQLParserUtils {
         if (JdbcUtils.SQL_SERVER.equals(dbType)) {
             return new SQLServerStatementParser(sql);
         }
+        
+        if (JdbcUtils.JTDS.equals(dbType)) {
+            return new SQLServerStatementParser(sql);
+        }
 
         if (JdbcUtils.H2.equals(dbType)) {
             return new MySqlStatementParser(sql);
@@ -71,6 +75,10 @@ public class SQLParserUtils {
         if (JdbcUtils.SQL_SERVER.equals(dbType)) {
             return new SQLServerExprParser(sql);
         }
+        
+        if (JdbcUtils.JTDS.equals(dbType)) {
+            return new SQLServerExprParser(sql);
+        }
 
         return new SQLExprParser(sql);
     }

src/main/java/com/alibaba/druid/sql/visitor/ParameterizedOutputVisitorUtils.java

@@ -27,6 +27,7 @@ import com.alibaba.druid.sql.ast.expr.SQLVariantRefExpr;
 import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlParameterizedOutputVisitor;
 import com.alibaba.druid.sql.dialect.oracle.visitor.OracleParameterizedOutputVisitor;
 import com.alibaba.druid.sql.dialect.postgresql.visitor.PGParameterizedOutputVisitor;
+import com.alibaba.druid.sql.dialect.sqlserver.visitor.SQLServerParameterizedOutputVisitor;
 import com.alibaba.druid.sql.parser.SQLParserUtils;
 import com.alibaba.druid.sql.parser.SQLStatementParser;
 import com.alibaba.druid.util.JdbcUtils;
@@ -63,6 +64,10 @@ public class ParameterizedOutputVisitorUtils {
         if (JdbcUtils.POSTGRESQL.equals(dbType)) {
             return new PGParameterizedOutputVisitor(out);
         }
+        
+        if (JdbcUtils.SQL_SERVER.equals(dbType) || JdbcUtils.JTDS.equals(dbType)) {
+            return new SQLServerParameterizedOutputVisitor(out);
+        }
 
         return new ParameterizedOutputVisitor(out);
     }

src/main/java/com/alibaba/druid/wall/WallFilter.java

@@ -75,7 +75,7 @@ public class WallFilter extends FilterAdapter implements WallFilterMBean {
             }
 
             provider = new OracleWallProvider(config);
-        } else if (JdbcUtils.SQL_SERVER.equals(dbType)) {
+        } else if (JdbcUtils.SQL_SERVER.equals(dbType) || JdbcUtils.JTDS.equals(dbType)) {
             if (config == null) {
                 config = new WallConfig(SQLServerProvider.DEFAULT_CONFIG_DIR);
             }