/**
* Copyright 2008-2016 Qualogy Solutions B.V.
*
* 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.qualogy.qafe.business.resource.rdb.query.utilities.sql;
import java.util.Iterator;
import java.util.List;
import net.sf.jsqlparser.expression.AllComparisonExpression;
import net.sf.jsqlparser.expression.AnyComparisonExpression;
import net.sf.jsqlparser.expression.BinaryExpression;
import net.sf.jsqlparser.expression.CaseExpression;
import net.sf.jsqlparser.expression.DateValue;
import net.sf.jsqlparser.expression.DoubleValue;
import net.sf.jsqlparser.expression.Expression;
import net.sf.jsqlparser.expression.ExpressionVisitor;
import net.sf.jsqlparser.expression.Function;
import net.sf.jsqlparser.expression.InverseExpression;
import net.sf.jsqlparser.expression.JdbcParameter;
import net.sf.jsqlparser.expression.LongValue;
import net.sf.jsqlparser.expression.NullValue;
import net.sf.jsqlparser.expression.Parenthesis;
import net.sf.jsqlparser.expression.StringValue;
import net.sf.jsqlparser.expression.TimeValue;
import net.sf.jsqlparser.expression.TimestampValue;
import net.sf.jsqlparser.expression.WhenClause;
import net.sf.jsqlparser.expression.operators.arithmetic.Addition;
import net.sf.jsqlparser.expression.operators.arithmetic.BitwiseAnd;
import net.sf.jsqlparser.expression.operators.arithmetic.BitwiseOr;
import net.sf.jsqlparser.expression.operators.arithmetic.BitwiseXor;
import net.sf.jsqlparser.expression.operators.arithmetic.Concat;
import net.sf.jsqlparser.expression.operators.arithmetic.Division;
import net.sf.jsqlparser.expression.operators.arithmetic.Multiplication;
import net.sf.jsqlparser.expression.operators.arithmetic.Subtraction;
import net.sf.jsqlparser.expression.operators.conditional.AndExpression;
import net.sf.jsqlparser.expression.operators.conditional.OrExpression;
import net.sf.jsqlparser.expression.operators.relational.Between;
import net.sf.jsqlparser.expression.operators.relational.EqualsTo;
import net.sf.jsqlparser.expression.operators.relational.ExistsExpression;
import net.sf.jsqlparser.expression.operators.relational.ExpressionList;
import net.sf.jsqlparser.expression.operators.relational.GreaterThan;
import net.sf.jsqlparser.expression.operators.relational.GreaterThanEquals;
import net.sf.jsqlparser.expression.operators.relational.InExpression;
import net.sf.jsqlparser.expression.operators.relational.IsNullExpression;
import net.sf.jsqlparser.expression.operators.relational.ItemsListVisitor;
import net.sf.jsqlparser.expression.operators.relational.LikeExpression;
import net.sf.jsqlparser.expression.operators.relational.Matches;
import net.sf.jsqlparser.expression.operators.relational.MinorThan;
import net.sf.jsqlparser.expression.operators.relational.MinorThanEquals;
import net.sf.jsqlparser.expression.operators.relational.NotEqualsTo;
import net.sf.jsqlparser.schema.Column;
import net.sf.jsqlparser.schema.Table;
import net.sf.jsqlparser.statement.select.FromItemVisitor;
import net.sf.jsqlparser.statement.select.Join;
import net.sf.jsqlparser.statement.select.PlainSelect;
import net.sf.jsqlparser.statement.select.Select;
import net.sf.jsqlparser.statement.select.SelectVisitor;
import net.sf.jsqlparser.statement.select.SubJoin;
import net.sf.jsqlparser.statement.select.SubSelect;
import net.sf.jsqlparser.statement.select.Union;
public class SelectItemFinder extends AbstractItemFinder
implements StatementFinder, SelectVisitor, FromItemVisitor, ExpressionVisitor, ItemsListVisitor
{
private Select select;
public SelectItemFinder(Select select){
this.select = select;
setTableList();
}
public List getTableList() {
return tables;
}
public void setTableList(){
select.getSelectBody().accept(this);
}
public List getColumns(){
return columns;
}
public void visitColumns(PlainSelect plainSelect){
columns = plainSelect.getSelectItems();
}
public void visit(PlainSelect plainSelect) {
plainSelect.getFromItem().accept(this);
if (plainSelect.getJoins() != null) {
for (Iterator joinsIt = plainSelect.getJoins().iterator(); joinsIt.hasNext();) {
Join join = (Join) joinsIt.next();
join.getRightItem().accept(this);
}
}
if (plainSelect.getWhere() != null)
plainSelect.getWhere().accept(this);
visitColumns(plainSelect);
}
public void visit(Union union) {
for (Iterator iter = union.getPlainSelects().iterator(); iter.hasNext();) {
PlainSelect plainSelect = (PlainSelect) iter.next();
visit(plainSelect);
}
}
public void visit(Table tableName) {
String tableWholeName = tableName.getWholeTableName();
tables.add(tableWholeName);
}
public void visit(SubSelect subSelect) {
subSelect.getSelectBody().accept(this);
}
public void visit(Between between) {
between.getLeftExpression().accept(this);
between.getBetweenExpressionStart().accept(this);
between.getBetweenExpressionEnd().accept(this);
}
public void visit(InExpression inExpression) {
inExpression.getLeftExpression().accept(this);
inExpression.getItemsList().accept(this);
}
public void visit(InverseExpression inverseExpression) {
inverseExpression.getExpression().accept(this);
}
public void visit(ExistsExpression existsExpression) {
existsExpression.getRightExpression().accept(this);
}
public void visit(Parenthesis parenthesis) {
parenthesis.getExpression().accept(this);
}
public void visitBinaryExpression(BinaryExpression binaryExpression) {
binaryExpression.getLeftExpression().accept(this);
binaryExpression.getRightExpression().accept(this);
}
public void visit(ExpressionList expressionList) {
for (Iterator iter = expressionList.getExpressions().iterator(); iter.hasNext();) {
Expression expression = (Expression) iter.next();
expression.accept(this);
}
}
public void visit(AllComparisonExpression allComparisonExpression) {
allComparisonExpression.GetSubSelect().getSelectBody().accept(this);
}
public void visit(AnyComparisonExpression anyComparisonExpression) {
anyComparisonExpression.GetSubSelect().getSelectBody().accept(this);
}
public void visit(SubJoin subjoin) {
subjoin.getLeft().accept(this);
subjoin.getJoin().getRightItem().accept(this);
}
public void visit(DateValue dateValue) {
}
public void visit(TimestampValue timestampValue) {
}
public void visit(TimeValue timeValue) {
}
public void visit(CaseExpression caseExpression) {
}
public void visit(WhenClause whenClause) {
}
public void visit(Addition addition) {
visitBinaryExpression(addition);
}
public void visit(AndExpression andExpression) {
visitBinaryExpression(andExpression);
}
public void visit(Column tableColumn) {
}
public void visit(Division division) {
visitBinaryExpression(division);
}
public void visit(DoubleValue doubleValue) {
}
public void visit(EqualsTo equalsTo) {
visitBinaryExpression(equalsTo);
}
public void visit(Function function) {
}
public void visit(GreaterThan greaterThan) {
visitBinaryExpression(greaterThan);
}
public void visit(GreaterThanEquals greaterThanEquals) {
visitBinaryExpression(greaterThanEquals);
}
public void visit(IsNullExpression isNullExpression) {
}
public void visit(JdbcParameter jdbcParameter) {
}
public void visit(LikeExpression likeExpression) {
visitBinaryExpression(likeExpression);
}
public void visit(LongValue longValue) {
}
public void visit(MinorThan minorThan) {
visitBinaryExpression(minorThan);
}
public void visit(MinorThanEquals minorThanEquals) {
visitBinaryExpression(minorThanEquals);
}
public void visit(Multiplication multiplication) {
visitBinaryExpression(multiplication);
}
public void visit(NotEqualsTo notEqualsTo) {
visitBinaryExpression(notEqualsTo);
}
public void visit(NullValue nullValue) {
}
public void visit(OrExpression orExpression) {
visitBinaryExpression(orExpression);
}
public void visit(StringValue stringValue) {
}
public void visit(Subtraction subtraction) {
visitBinaryExpression(subtraction);
}
@Override
public void visit(Concat arg0) {
// TODO Auto-generated method stub
}
@Override
public void visit(Matches arg0) {
// TODO Auto-generated method stub
}
@Override
public void visit(BitwiseAnd arg0) {
// TODO Auto-generated method stub
}
@Override
public void visit(BitwiseOr arg0) {
// TODO Auto-generated method stub
}
@Override
public void visit(BitwiseXor arg0) {
// TODO Auto-generated method stub
}
}