/* * TeleStax, Open Source Cloud Communications * Copyright 2012, Telestax 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. */ /** * Start time:13:58:48 2009-04-04<br> * Project: mobicents-isup-stack<br> * * @author <a href="mailto:baranowb@gmail.com"> Bartosz Baranowski * </a> * */ package org.mobicents.protocols.ss7.isup.impl.message.parameter; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import org.mobicents.protocols.ss7.isup.ParameterException; import org.mobicents.protocols.ss7.isup.message.parameter.GVNSUserGroup; /** * Start time:13:58:48 2009-04-04<br> * Project: mobicents-isup-stack<br> * * @author <a href="mailto:baranowb@gmail.com"> Bartosz Baranowski </a> */ public class GVNSUserGroupImpl extends AbstractNumber implements GVNSUserGroup { // FIXME: shoudl we add max octets ? private int gugLengthIndicator; public GVNSUserGroupImpl() { } public GVNSUserGroupImpl(byte[] representation) throws ParameterException { super(representation); } public GVNSUserGroupImpl(ByteArrayInputStream bis) throws ParameterException { super(bis); } public GVNSUserGroupImpl(String address) { super(address); } public int decode(byte[] b) throws ParameterException { return super.decode(b); } public byte[] encode() throws ParameterException { return super.encode(); } public int decodeHeader(ByteArrayInputStream bis) throws IllegalArgumentException { int b = bis.read() & 0xff; this.oddFlag = (b & 0x80) >> 7; this.gugLengthIndicator = b & 0x0F; return 1; } public int encodeHeader(ByteArrayOutputStream bos) { int b = 0; // Even is 000000000 == 0 boolean isOdd = this.oddFlag == _FLAG_ODD; if (isOdd) b |= 0x80; b |= this.gugLengthIndicator & 0x0F; bos.write(b); return 1; } public int decodeBody(ByteArrayInputStream bis) throws IllegalArgumentException { return 0; } public int encodeBody(ByteArrayOutputStream bos) { return 0; } public int getGugLengthIndicator() { return gugLengthIndicator; } public int decodeDigits(ByteArrayInputStream bis) throws IllegalArgumentException, ParameterException { return super.decodeDigits(bis, this.gugLengthIndicator); } public void setAddress(String address) { // TODO Auto-generated method stub super.setAddress(address); int l = super.address.length(); this.gugLengthIndicator = l / 2 + l % 2; if (gugLengthIndicator > 8) { throw new IllegalArgumentException("Maximum octets for this parameter in digits part is 8."); // FIXME: add check for digit (max 7 ?) } } public int getCode() { return _PARAMETER_CODE; } }