/*
* Copyright 1999-2017 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.mock;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.Reader;
import java.io.Writer;
import java.sql.Clob;
import java.sql.SQLException;
public class MockClob implements Clob {
private byte[] bytes;
private ByteArrayOutputStream out = new ByteArrayOutputStream();
public MockClob(){
this(new byte[0]);
}
public MockClob(byte[] bytes){
this.bytes = bytes;
}
@Override
public long length() throws SQLException {
return bytes.length;
}
@Override
public String getSubString(long pos, int length) throws SQLException {
return new String(bytes, (int) (pos - 1), length);
}
@Override
public Reader getCharacterStream() throws SQLException {
return null;
}
@Override
public InputStream getAsciiStream() throws SQLException {
return new ByteArrayInputStream(bytes);
}
@Override
public long position(String searchstr, long start) throws SQLException {
if (bytes.length == 0) {
return 0;
}
return new String(bytes).indexOf(searchstr);
}
@Override
public long position(Clob searchstr, long start) throws SQLException {
return 0;
}
@Override
public int setString(long pos, String str) throws SQLException {
return 0;
}
@Override
public int setString(long pos, String str, int offset, int len) throws SQLException {
return 0;
}
@Override
public OutputStream setAsciiStream(long pos) throws SQLException {
return out;
}
@Override
public Writer setCharacterStream(long pos) throws SQLException {
return null;
}
@Override
public void truncate(long len) throws SQLException {
}
@Override
public void free() throws SQLException {
}
@Override
public Reader getCharacterStream(long pos, long length) throws SQLException {
return null;
}
}