/******************************************************************************* * SDR Trunk * Copyright (C) 2014-2016 Dennis Sheirer * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/> ******************************************************************************/ package controller.channel.map; import java.text.DecimalFormat; import javax.xml.bind.annotation.XmlAttribute; import javax.xml.bind.annotation.XmlRootElement; import javax.xml.bind.annotation.XmlTransient; import javax.xml.bind.annotation.XmlType; @XmlRootElement @XmlType( name = "range" ) public class ChannelRange { private static final DecimalFormat FREQUENCY_FORMATTER = new DecimalFormat( "#.0000" ); private int mFirst = 1; private int mLast = 1023; private int mBase = 450000000; private int mSize = 12500; private boolean mOverlapping = false; public ChannelRange() { } public ChannelRange( int first, int last, int base, int size ) { mFirst = first; mLast = last; mBase = base; mSize = size; } public ChannelRange copyOf() { return new ChannelRange( mFirst, mLast, mBase, mSize ); } public String getDescription() { StringBuilder sb = new StringBuilder(); if( isValid() ) { sb.append( "First: " ); sb.append( mFirst + "=" ); long frequency = getFrequency( mFirst ); sb.append( FREQUENCY_FORMATTER.format( (double)frequency / 1E6D ) ); sb.append( " Last: " ); sb.append( mLast + "=" ); frequency = getFrequency( mLast ); sb.append( FREQUENCY_FORMATTER.format( (double)frequency / 1E6D ) ); sb.append( " MHz" ); } else { sb.append( "First channel must be smaller than last channel" ); } if( isOverlapping() ) { if( sb.length() > 0 ) { sb.append( ", " ); } sb.append( "Overlap!" ); } return sb.toString(); } public boolean isValid() { return mFirst < mLast; } public boolean overlaps( ChannelRange other ) { return ( mFirst <= other.mFirst && other.mFirst <= mLast ) || ( mFirst <= other.mLast && other.mLast <= mLast ) || ( mFirst <= other.mFirst && other.mLast <= mLast ) || ( other.mFirst <= mFirst && mLast <= other.mLast ); } @XmlTransient public boolean isOverlapping() { return mOverlapping; } public void setOverlapping( boolean overlapping ) { mOverlapping = overlapping; } public boolean hasChannel( int channel ) { return mFirst <= channel && channel <= mLast; } public long getFrequency( int channel ) { if( hasChannel( channel ) ) { return mBase + ( ( channel - mFirst ) * mSize ); } else { return 0; } } @XmlAttribute( name = "first" ) public int getFirstChannelNumber() { return mFirst; } public void setFirstChannelNumber( int first ) { mFirst = first; } @XmlAttribute( name = "last" ) public void setLastChannelNumber( int last ) { mLast = last; } public int getLastChannelNumber() { return mLast; } /** * Sets the base frequency * @param base frequency in hertz */ @XmlAttribute( name = "base" ) public void setBase( int base ) { mBase = base; } public int getBase() { return mBase; } /** * Sets the channel size * @param size in hertz */ @XmlAttribute( name = "size" ) public void setSize( int size ) { mSize = size; } public int getSize() { return mSize; } }