org.restcomm.protocols.ss7.commonapp.circuitSwitchedCall.IPSSPCapabilitiesImpl Maven / Gradle / Ivy

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/*
 * Mobius Software LTD
 * Copyright 2019, Mobius Software LTD and individual contributors
 * by the @authors tag.
 *
 * This program is free software: you can redistribute it and/or modify
 * under the terms of the GNU Affero 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see 
 */

package org.restcomm.protocols.ss7.commonapp.circuitSwitchedCall;

import org.restcomm.protocols.ss7.commonapp.api.circuitSwitchedCall.IPSSPCapabilities;

import com.mobius.software.telco.protocols.ss7.asn.primitives.ASNOctetString;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;

/**
 *
 * @author sergey vetyutnev
 * @author yulianoifa
 *
 */
public class IPSSPCapabilitiesImpl extends ASNOctetString implements IPSSPCapabilities {
	public static int _Mask_IPRoutingAddress = 0x01;
    public static int _Mask_VoiceBack = 0x02;
    public static int _Mask_VoiceInformation_SpeechRecognition = 0x04;
    public static int _Mask_VoiceInformation_VoiceRecognition = 0x08;
    public static int _Mask_GenerationOfVoiceAnnouncementsFromTextSupported = 0x10;

    public IPSSPCapabilitiesImpl() {
    	super("IPSSPCapabilities",1,4,false);
    }

    public IPSSPCapabilitiesImpl(boolean IPRoutingAddressSupported, boolean VoiceBackSupported,
            boolean VoiceInformationSupportedViaSpeechRecognition, boolean VoiceInformationSupportedViaVoiceRecognition,
            boolean GenerationOfVoiceAnnouncementsFromTextSupported, ByteBuf extraData) {
        super(translate(IPRoutingAddressSupported, VoiceBackSupported, VoiceInformationSupportedViaSpeechRecognition,
                VoiceInformationSupportedViaVoiceRecognition, GenerationOfVoiceAnnouncementsFromTextSupported, extraData),
        		"IPSSPCapabilities",1,4,false);
    }

    public static ByteBuf translate(boolean IPRoutingAddressSupported, boolean VoiceBackSupported,
            boolean VoiceInformationSupportedViaSpeechRecognition, boolean VoiceInformationSupportedViaVoiceRecognition,
            boolean GenerationOfVoiceAnnouncementsFromTextSupported, ByteBuf extraData) {
        int firstByte = (IPRoutingAddressSupported ? _Mask_IPRoutingAddress : 0) | (VoiceBackSupported ? _Mask_VoiceBack : 0)
                | (VoiceInformationSupportedViaSpeechRecognition ? _Mask_VoiceInformation_SpeechRecognition : 0)
                | (VoiceInformationSupportedViaVoiceRecognition ? _Mask_VoiceInformation_VoiceRecognition : 0)
                | (GenerationOfVoiceAnnouncementsFromTextSupported ? _Mask_GenerationOfVoiceAnnouncementsFromTextSupported : 0);


        ByteBuf buffer=Unpooled.buffer(1);
        buffer.writeByte(firstByte);
        if (extraData!=null && extraData.readableBytes()>0)
            buffer=Unpooled.wrappedBuffer(buffer,extraData);
        
        return buffer;
    }

    public boolean getIPRoutingAddressSupported() {
    	ByteBuf buffer=getValue();
        if (buffer == null || buffer.readableBytes() == 0)
            return false;

        return (((int) buffer.readByte()) & _Mask_IPRoutingAddress) != 0;
    }

    public boolean getVoiceBackSupported() {
    	ByteBuf buffer=getValue();
        if (buffer == null || buffer.readableBytes() == 0)
            return false;

        return (((int) buffer.readByte()) & _Mask_VoiceBack) != 0;
    }

    public boolean getVoiceInformationSupportedViaSpeechRecognition() {
    	ByteBuf buffer=getValue();
        if (buffer == null || buffer.readableBytes() == 0)
            return false;

        return (((int) buffer.readByte()) & _Mask_VoiceInformation_SpeechRecognition) != 0;
    }

    public boolean getVoiceInformationSupportedViaVoiceRecognition() {
    	ByteBuf buffer=getValue();
        if (buffer == null || buffer.readableBytes() == 0)
            return false;

        return (((int) buffer.readByte()) & _Mask_VoiceInformation_VoiceRecognition) != 0;
    }

    public boolean getGenerationOfVoiceAnnouncementsFromTextSupported() {
    	ByteBuf buffer=getValue();
        if (buffer == null || buffer.readableBytes() == 0)
            return false;

        return (((int) buffer.readByte()) & _Mask_GenerationOfVoiceAnnouncementsFromTextSupported) != 0;
    }

    public ByteBuf getExtraData() {
    	ByteBuf buffer=getValue();
        if (buffer == null || buffer.readableBytes() < 2)
            return null;

        int extraCount = buffer.readableBytes()-1;
        if (extraCount > 3)
            extraCount = 3;
        
        buffer.skipBytes(1);
        return buffer;
    }

    @Override
    public String toString() {

        StringBuilder sb = new StringBuilder();
        sb.append("IPSSPCapabilities [");
        if (getValue() != null) {
            if (this.getIPRoutingAddressSupported())
                sb.append("IPRoutingAddressSupported, ");
            if (this.getVoiceBackSupported())
                sb.append("VoiceBackSupported, ");
            if (this.getVoiceInformationSupportedViaSpeechRecognition())
                sb.append("VoiceInformationSupportedViaSpeechRecognition, ");
            if (this.getVoiceInformationSupportedViaVoiceRecognition())
                sb.append("VoiceInformationSupportedViaVoiceRecognition, ");
            if (this.getGenerationOfVoiceAnnouncementsFromTextSupported())
                sb.append("GenerationOfVoiceAnnouncementsFromTextSupported, ");
            ByteBuf extraBuffer = this.getExtraData();
            if (extraBuffer != null) {
                sb.append("ExtraData=");
                sb.append(ASNOctetString.printDataArr(extraBuffer));               
            }
        }
        sb.append("]");

        return sb.toString();
    }
}