/*
* 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.mapping.spi;
import java.util.List;
import com.alibaba.druid.mapping.MappingContext;
import com.alibaba.druid.mapping.MappingEngine;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.ast.statement.SQLInsertStatement;
import com.alibaba.druid.sql.ast.statement.SQLSelectQueryBlock;
import com.alibaba.druid.sql.ast.statement.SQLUpdateStatement;
import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleDeleteStatement;
import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleSelectQueryBlock;
import com.alibaba.druid.sql.dialect.oracle.parser.OracleSelectParser;
import com.alibaba.druid.sql.dialect.oracle.parser.OracleStatementParser;
import com.alibaba.druid.sql.dialect.oracle.visitor.OracleExportParameterVisitor;
import com.alibaba.druid.sql.dialect.oracle.visitor.OracleOutputVisitor;
import com.alibaba.druid.sql.visitor.ExportParameterVisitor;
import com.alibaba.druid.sql.visitor.SQLASTOutputVisitor;
public class OracleMappingProvider implements MappingProvider {
@Override
public MappingVisitor createMappingVisitor(MappingEngine engine) {
return new OracleMappingVisitor(engine);
}
@Override
public MappingVisitor createMappingVisitor(MappingEngine engine, MappingContext context) {
return new OracleMappingVisitor(engine, context);
}
@Override
public SQLASTOutputVisitor createOutputVisitor(MappingEngine engine, Appendable out) {
return new OracleOutputVisitor(out, false);
}
public SQLSelectQueryBlock explainToSelectSQLObject(MappingEngine engine, String sql, MappingContext context) {
OracleSelectParser selectParser = new OracleSelectParser(sql);
OracleSelectQueryBlock query = (OracleSelectQueryBlock) selectParser.query();
return query;
}
public OracleDeleteStatement explainToDeleteSQLObject(MappingEngine engine, String sql, MappingContext context) {
OracleStatementParser parser = new OracleStatementParser(sql);
OracleDeleteStatement stmt = parser.parseDeleteStatement();
MappingVisitorUtils.setTableSource(engine, stmt, context);
return stmt;
}
public SQLUpdateStatement explainToUpdateSQLObject(MappingEngine engine, String sql, MappingContext context) {
OracleStatementParser parser = new OracleStatementParser(sql);
SQLUpdateStatement stmt = parser.parseUpdateStatement();
MappingVisitorUtils.setTableSource(engine, stmt, context);
return stmt;
}
public SQLInsertStatement explainToInsertSQLObject(MappingEngine engine, String sql, MappingContext context) {
OracleStatementParser parser = new OracleStatementParser(sql);
SQLInsertStatement stmt = (SQLInsertStatement) parser.parseInsert();
MappingVisitorUtils.setTableSource(engine, stmt, context);
return stmt;
}
@Override
public ExportParameterVisitor createExportParameterVisitor(List<Object> parameters) {
return new OracleExportParameterVisitor(parameters);
}
@Override
public List<SQLStatement> explain(MappingEngine engine, String sql) {
OracleStatementParser parser = new OracleStatementParser(sql);
return parser.parseStatementList();
}
}