|
12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273 |
- /*
- Copyright (c) 2021 James Ahlborn
-
- 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.healthmarketscience.jackcess.impl;
-
- import java.io.IOException;
- import java.sql.Blob;
- import java.sql.Clob;
- import java.sql.SQLException;
- import java.sql.Types;
-
- /**
- * Implementation of SqlHelperImpl which works with the java.sql modules
- * classes. This class is used if the java.sql module is enabled in the
- * application.
- *
- * @author James Ahlborn
- */
- public class SqlHelperImpl extends SqlHelper {
-
- public SqlHelperImpl() {}
-
- @Override
- public boolean isBlob(Object value) {
- return (value instanceof Blob);
- }
-
- @Override
- public byte[] getBlobBytes(Object value) throws IOException {
- try {
- Blob b = (Blob)value;
- // note, start pos is 1-based
- return b.getBytes(1L, (int)b.length());
- } catch(SQLException e) {
- throw new IOException(e.getMessage(), e);
- }
- }
-
- @Override
- public boolean isClob(Object value) {
- return (value instanceof Clob);
- }
-
- @Override
- public CharSequence getClobString(Object value) throws IOException {
- try {
- Clob c = (Clob)value;
- // note, start pos is 1-based
- return c.getSubString(1L, (int)c.length());
- } catch(SQLException e) {
- throw new IOException(e.getMessage(), e);
- }
- }
-
- @Override
- public Integer getNewSqlType(String typeName) throws Exception {
- java.lang.reflect.Field sqlTypeField = Types.class.getField(typeName);
- return (Integer)sqlTypeField.get(null);
- }
- }
|