build: more effective Deparser Constructors

Signed-off-by: Andreas Reichel <andreas@manticore-projects.com>

Author: manticore-projects

src/main/java/net/sf/jsqlparser/util/deparser/SelectDeParser.java

@@ -47,6 +47,7 @@
 import net.sf.jsqlparser.statement.select.Values;
 import net.sf.jsqlparser.statement.select.WithItem;
 
+import java.lang.reflect.InvocationTargetException;
 import java.util.Iterator;
 import java.util.List;
 
@@ -67,6 +68,16 @@ public SelectDeParser(StringBuilder buffer) {
         this.expressionVisitor = new ExpressionDeParser(this, buffer);
     }
 
+    public SelectDeParser(Class<? extends ExpressionDeParser> expressionDeparserClass,
+            StringBuilder builder) throws NoSuchMethodException, InvocationTargetException,
+            InstantiationException, IllegalAccessException {
+        super(builder);
+        this.expressionVisitor = expressionDeparserClass
+                .getConstructor(SelectDeParser.class, StringBuilder.class)
+                .newInstance(this, builder);
+    }
+
+
     public SelectDeParser(ExpressionVisitor expressionVisitor, StringBuilder buffer) {
         super(buffer);
         this.expressionVisitor = expressionVisitor;

src/main/java/net/sf/jsqlparser/util/deparser/StatementDeParser.java

@@ -9,6 +9,7 @@
  */
 package net.sf.jsqlparser.util.deparser;
 
+import java.lang.reflect.InvocationTargetException;
 import java.util.stream.Collectors;
 import net.sf.jsqlparser.statement.Block;
 import net.sf.jsqlparser.statement.Commit;
@@ -63,6 +64,22 @@ public class StatementDeParser extends AbstractDeParser<Statement> implements St
 
     private final SelectDeParser selectDeParser;
 
+    public StatementDeParser(Class<? extends ExpressionDeParser> expressionDeparserClass,
+            Class<? extends SelectDeParser> selectDeparserClass, StringBuilder builder)
+            throws NoSuchMethodException, InvocationTargetException, InstantiationException,
+            IllegalAccessException {
+        super(builder);
+
+        this.selectDeParser = selectDeparserClass
+                .getConstructor(Class.class, StringBuilder.class)
+                .newInstance(expressionDeparserClass, builder);
+
+
+        this.expressionDeParser =
+                expressionDeparserClass.cast(this.selectDeParser.getExpressionVisitor());
+
+    }
+
     public StatementDeParser(StringBuilder buffer) {
         this(new ExpressionDeParser(), new SelectDeParser(), buffer);
     }