/* * 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:11:58:42 2009-03-31<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.ByteArrayOutputStream; import java.io.IOException; import org.mobicents.protocols.ss7.isup.ParameterException; import org.mobicents.protocols.ss7.isup.message.parameter.ForwardCallIndicators; /** * Start time:11:58:42 2009-03-31<br> * Project: mobicents-isup-stack<br> * * @author <a href="mailto:baranowb@gmail.com"> Bartosz Baranowski </a> */ public class ForwardCallIndicatorsImpl extends AbstractISUPParameter implements ForwardCallIndicators { private static final int _TURN_ON = 1; private static final int _TURN_OFF = 0; private boolean nationalCallIdentificator = false; private int endToEndMethodIndicator = 0; private boolean interworkingIndicator = false; private boolean endToEndInformationIndicator = false; private boolean isdnUserPartIndicator = false; private int isdnUserPartReferenceIndicator = 0; private int sccpMethodIndicator = 0; private boolean isdnAccessIndicator = false; public ForwardCallIndicatorsImpl() { super(); } public ForwardCallIndicatorsImpl(byte[] b) throws ParameterException { super(); decode(b); } public ForwardCallIndicatorsImpl(boolean nationalCallIdentificator, int endToEndMethodIndicator, boolean interworkingIndicator, boolean endToEndInformationIndicator, boolean isdnUserPartIndicator, int isdnUserPartReferenceIndicator, int sccpMethodIndicator, boolean isdnAccessIndicator) { super(); this.nationalCallIdentificator = nationalCallIdentificator; this.endToEndMethodIndicator = endToEndMethodIndicator; this.interworkingIndicator = interworkingIndicator; this.endToEndInformationIndicator = endToEndInformationIndicator; this.isdnUserPartIndicator = isdnUserPartIndicator; this.isdnUserPartReferenceIndicator = isdnUserPartReferenceIndicator; this.sccpMethodIndicator = sccpMethodIndicator; this.isdnAccessIndicator = isdnAccessIndicator; } public int decode(byte[] b) throws ParameterException { if (b == null || b.length != 2) { throw new IllegalArgumentException("byte[] must not be null or have different size than 2"); } int v = 0; v = b[0]; this.nationalCallIdentificator = (v & 0x01) == _TURN_ON; this.endToEndMethodIndicator = (v >> 1) & 0x03; this.interworkingIndicator = ((v >> 3) & 0x01) == _TURN_ON; this.endToEndInformationIndicator = ((v >> 4) & 0x01) == _TURN_ON; this.isdnUserPartIndicator = ((v >> 5) & 0x01) == _TURN_ON; this.isdnUserPartReferenceIndicator = (v >> 6) & 0x03; v = b[1]; this.isdnAccessIndicator = (v & 0x01) == _TURN_ON; // FIXME: should we allow older bytes to pass ? this.sccpMethodIndicator = (v >> 1) & 0x03; return 2; } public byte[] encode() throws ParameterException { byte[] b = new byte[2]; b[0] |= this.nationalCallIdentificator ? _TURN_ON : _TURN_OFF; b[0] |= (this.endToEndMethodIndicator & 0x03) << 1; b[0] |= (this.interworkingIndicator ? _TURN_ON : _TURN_OFF) << 3; b[0] |= (this.endToEndInformationIndicator ? _TURN_ON : _TURN_OFF) << 4; b[0] |= (this.isdnUserPartIndicator ? _TURN_ON : _TURN_OFF) << 5; b[0] |= (this.isdnUserPartReferenceIndicator & 0x03) << 6; b[1] = (byte) (this.isdnAccessIndicator ? _TURN_ON : _TURN_OFF); // FIXME should we allow here older bytes to pass b[1] |= (this.sccpMethodIndicator & 0x03) << 1; return b; } public int encode(ByteArrayOutputStream bos) throws ParameterException { byte[] b = this.encode(); try { bos.write(b); } catch (IOException e) { throw new ParameterException(e); } return b.length; } public boolean isNationalCallIdentificator() { return nationalCallIdentificator; } public void setNationalCallIdentificator(boolean nationalCallIdentificator) { this.nationalCallIdentificator = nationalCallIdentificator; } public int getEndToEndMethodIndicator() { return endToEndMethodIndicator; } public void setEndToEndMethodIndicator(int endToEndMethodIndicator) { this.endToEndMethodIndicator = endToEndMethodIndicator; } public boolean isInterworkingIndicator() { return interworkingIndicator; } public void setInterworkingIndicator(boolean interworkingIndicator) { this.interworkingIndicator = interworkingIndicator; } public boolean isEndToEndInformationIndicator() { return endToEndInformationIndicator; } public void setEndToEndInformationIndicator(boolean endToEndInformationIndicator) { this.endToEndInformationIndicator = endToEndInformationIndicator; } public boolean isIsdnUserPartIndicator() { return isdnUserPartIndicator; } public void setIsdnUserPartIndicator(boolean isdnUserPartIndicator) { this.isdnUserPartIndicator = isdnUserPartIndicator; } public int getIsdnUserPartReferenceIndicator() { return isdnUserPartReferenceIndicator; } public void setIsdnUserPartReferenceIndicator(int isdnUserPartReferenceIndicator) { this.isdnUserPartReferenceIndicator = isdnUserPartReferenceIndicator; } public int getSccpMethodIndicator() { return sccpMethodIndicator; } public void setSccpMethodIndicator(int sccpMethodIndicator) { this.sccpMethodIndicator = sccpMethodIndicator; } public boolean isIsdnAccessIndicator() { return isdnAccessIndicator; } public void setIsdnAccessIndicator(boolean isdnAccessIndicator) { this.isdnAccessIndicator = isdnAccessIndicator; } public int getCode() { return _PARAMETER_CODE; } @Override public String toString(){ StringBuilder sb = new StringBuilder(); sb.append("ForwardCallIndicators ["); sb.append("nationalCallIdentificator="); sb.append(nationalCallIdentificator); sb.append(", "); sb.append("endToEndMethodIndicator="); sb.append(endToEndMethodIndicator); sb.append(", "); sb.append("interworkingIndicator="); sb.append(interworkingIndicator); sb.append(", "); sb.append("endToEndInformationIndicator="); sb.append(endToEndInformationIndicator); sb.append(", "); sb.append("isdnUserPartIndicator="); sb.append(isdnUserPartIndicator); sb.append(", "); sb.append("isdnUserPartReferenceIndicator="); sb.append(isdnUserPartReferenceIndicator); sb.append(", "); sb.append("sccpMethodIndicator="); sb.append(sccpMethodIndicator); sb.append(", "); sb.append("isdnAccessIndicator="); sb.append(isdnAccessIndicator); sb.append("]"); return sb.toString(); } }