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/*
* Copyright (c) 2013, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of The Linux Foundation nor
* the names of its contributors may be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.caf.fmradio;
import android.util.Log;
import java.io.*;
public class CommaSeparatedFreqFileReader implements GetNextFreqInterface {
private BufferedReader reader;
private String fileName;
private String [] freqList;
private int index;
private static final String LOGTAG = "COMMA_SEPARATED_FREQ_PARSER";
private boolean errorHasOcurred;
@Override
public int getNextFreq() {
int freq = Integer.MAX_VALUE;
Log.d(LOGTAG, "Inside function get freq");
if(!errorHasOcurred) {
if(index < freqList.length) {
try {
freq = (int)(Float.parseFloat(freqList[index]) * 1000);
}catch(NumberFormatException e) {
Log.d(LOGTAG, "Format exception");
}
index++;
if(index >= freqList.length) {
index = 0;
readLineAndParse();
}
return freq;
}else {
return Integer.MAX_VALUE;
}
}else {
return Integer.MAX_VALUE;
}
}
public CommaSeparatedFreqFileReader(String fileName) {
this.fileName = fileName;
try {
reader = new BufferedReader(new FileReader(this.fileName));
readLineAndParse();
}catch(Exception e) {
errorHasOcurred = true;
Log.d(LOGTAG, "File not found");
}
}
private void readLineAndParse() {
String curLine;
if(reader != null) {
try {
if((curLine = reader.readLine()) != null) {
freqList = curLine.split(",");
}else {
reader.close();
reader = null;
errorHasOcurred = true;
}
}catch(Exception e) {
errorHasOcurred = true;
}
}else {
errorHasOcurred = true;
}
}
@Override
public void Stop() {
if(reader != null) {
try {
reader.close();
reader = null;
}catch(Exception e) {
}
errorHasOcurred = true;
}
}
@Override
public boolean errorOccured() {
return errorHasOcurred;
}
}
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