/*
* JBoss, Home of Professional Open Source
* Copyright 2011, Red Hat, Inc. and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This 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 2.1 of
* the License, or (at your option) any later version.
*
* This software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.mobicents.protocols.ss7.sccp.impl.parameter;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import org.mobicents.protocols.ss7.sccp.SccpProtocolVersion;
import org.mobicents.protocols.ss7.sccp.message.ParseException;
import org.mobicents.protocols.ss7.sccp.parameter.HopCounter;
import org.mobicents.protocols.ss7.sccp.parameter.ParameterFactory;
/**
* @author kulikov
*/
public class HopCounterImpl extends AbstractParameter implements HopCounter {
private int value;
public HopCounterImpl(int value) {
this.value = value;
}
public int getValue() {
return value;
}
public void setValue(int value) {
this.value = value;
}
@Override
public void decode(final InputStream in, final ParameterFactory factory, final SccpProtocolVersion sccpProtocolVersion) throws ParseException {
try {
if (in.read() != 1) {
throw new ParseException();
}
this.value = in.read() & 0x0F; // ?
} catch (IOException ioe) {
throw new ParseException(ioe);
}
}
@Override
public void encode(final OutputStream os, final boolean removeSpc, final SccpProtocolVersion sccpProtocolVersion) throws ParseException {
try {
os.write(1);
os.write(this.value & 0x0F);
} catch (IOException ioe) {
throw new ParseException(ioe);
}
}
@Override
public void decode(final byte[] b, final ParameterFactory factory, final SccpProtocolVersion sccpProtocolVersion) throws ParseException {
this.value = b[0] & 0x0F; // ?
}
@Override
public byte[] encode(final boolean removeSpc, final SccpProtocolVersion sccpProtocolVersion) throws ParseException {
return new byte[] { (byte) (this.value & 0x0F) };
}
}