/*
* HA-JDBC: High-Availability JDBC
* Copyright (C) 2013 Paul Ferraro
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package net.sf.hajdbc.sql.io;
import java.io.IOException;
import java.io.OutputStream;
import net.sf.hajdbc.Database;
import net.sf.hajdbc.invocation.InvocationStrategies;
import net.sf.hajdbc.invocation.Invoker;
/**
* Static proxy for OutputStreams
* @author Paul Ferraro
* @param <Z> connection source
* @param <D> database
* @param <P> parent type
*/
public class OutputStreamProxy<Z, D extends Database<Z>, P> extends OutputStream
{
private final OutputStreamProxyFactory<Z, D, P> factory;
public OutputStreamProxy(OutputStreamProxyFactory<Z, D, P> factory)
{
this.factory = factory;
}
@Override
public void write(final byte[] b, final int off, final int len) throws IOException
{
OutputStreamInvoker<Z, D> invoker = new OutputStreamInvoker<Z, D>()
{
@Override
public Void invoke(D database, OutputStream output) throws IOException
{
output.write(b, off, len);
return null;
}
};
InvocationStrategies.INVOKE_ON_EXISTING.invoke(this.factory, invoker);
this.factory.record(invoker);
}
@Override
public void write(final byte[] b) throws IOException
{
OutputStreamInvoker<Z, D> invoker = new OutputStreamInvoker<Z, D>()
{
@Override
public Void invoke(D database, OutputStream output) throws IOException
{
output.write(b);
return null;
}
};
InvocationStrategies.INVOKE_ON_EXISTING.invoke(this.factory, invoker);
this.factory.record(invoker);
}
@Override
public void write(final int b) throws IOException
{
OutputStreamInvoker<Z, D> invoker = new OutputStreamInvoker<Z, D>()
{
@Override
public Void invoke(D database, OutputStream output) throws IOException
{
output.write(b);
return null;
}
};
InvocationStrategies.INVOKE_ON_EXISTING.invoke(this.factory, invoker);
this.factory.record(invoker);
}
@Override
public void flush() throws IOException
{
OutputStreamInvoker<Z, D> invoker = new OutputStreamInvoker<Z, D>()
{
@Override
public Void invoke(D database, OutputStream output) throws IOException
{
output.flush();
return null;
}
};
InvocationStrategies.INVOKE_ON_EXISTING.invoke(this.factory, invoker);
this.factory.record(invoker);
}
@Override
public void close() throws IOException
{
OutputStreamInvoker<Z, D> invoker = new OutputStreamInvoker<Z, D>()
{
@Override
public Void invoke(D database, OutputStream output) throws IOException
{
output.close();
return null;
}
};
InvocationStrategies.INVOKE_ON_EXISTING.invoke(this.factory, invoker);
this.factory.remove();
}
private interface OutputStreamInvoker<Z, D extends Database<Z>> extends Invoker<Z, D, OutputStream, Void, IOException>
{
}
}