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ByteParameter.java
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ByteParameter.java
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/*
* Drizzle-JDBC
*
* Copyright (c) 2009-2011, Marcus Eriksson
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following
* conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided with the distribution.
* Neither the name of the driver nor the names of its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.drizzle.jdbc.internal.common.query.parameters;
import static org.drizzle.jdbc.internal.common.Utils.needsEscaping;
import java.io.IOException;
import java.io.OutputStream;
/**
* . User: marcuse Date: Feb 27, 2009 Time: 9:56:17 PM
*/
public class ByteParameter implements ParameterHolder {
private final byte[] buffer;
private final int length;
public ByteParameter(final byte[] x) {
buffer = new byte[x.length * 2 + 2];
int pos = 0;
buffer[pos++] = '\'';
for (final byte b : x) {
if (needsEscaping(b)) {
buffer[pos++] = '\\';
}
buffer[pos++] = b;
}
buffer[pos++] = '\'';
this.length = pos;
}
public int writeTo(final OutputStream os, int offset, int maxWriteSize) throws IOException {
int bytesToWrite = Math.min(length - offset, maxWriteSize);
os.write(buffer, offset, bytesToWrite);
return bytesToWrite;
}
public long length() {
return length;
}
}