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D2TextTime.java
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134 lines (122 loc) · 3.36 KB
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package d3;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.TimeZone;
import PamUtils.FileParts;
public class D2TextTime {
long tagReferenceTime = 0;
public D2TextTime() {
/*
* Convert the tag reference time string to a long ...
* 13:38:35 on 14 June 2003
*/
SimpleDateFormat dateFormat = new SimpleDateFormat("dd/MM/yyyy hh:mm:ss");
dateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
try {
// tagReferenceTime = dateFormat.parse("14/06/2003 13:38:35").getTime();
tagReferenceTime = dateFormat.parse("01/01/1900 00:00:00").getTime();
}
catch (Exception e) {
System.out.println("d2 reference date string cannot be parsed ! " + e.getLocalizedMessage());
}
// tagReferenceTime = 0;
}
// @Override
public long getTimeFromFile(File file) {
String wavFileName = file.getAbsolutePath();
FileParts fp = new FileParts(file);
String end = fp.getFileEnd();
if (end == null) {
return Long.MIN_VALUE;
}
if (!end.equalsIgnoreCase("wav")) {
return Long.MIN_VALUE;
}
String txtFileName = wavFileName.replace(".wav", ".txt");
txtFileName = txtFileName.replace(".WAV", ".txt");
File txtFile = new File(txtFileName);
if (!txtFile.exists()) {
return Long.MIN_VALUE;
}
long fileTime = Long.MIN_VALUE;
try {
FileReader fileReader = new FileReader(txtFile);
BufferedReader bufferedReader = new BufferedReader(fileReader);
// StringBuffer stringBuffer = new StringBuffer();
String line;
while ((line = bufferedReader.readLine()) != null && fileTime == Long.MIN_VALUE) {
// stringBuffer.append(line);
// stringBuffer.append("\n");
fileTime = interpretLine(line);
}
fileReader.close();
// System.out.println("Contents of file:");
// System.out.println(stringBuffer.toString());
} catch (IOException e) {
e.printStackTrace();
}
return fileTime;
}
private static String searchLine = "File recording started";
/**
* Attempt to get a valid data from within a single line from the file.
* @param line
* @return a millisecond data, or Long.Min_VALUE if it can't be interpreted.
*/
private long interpretLine(String line) {
/*
* Sample file from Marjo is#FFSRD DTAG flexible file system extractor
% Chunk report for file gm143a03.dtg,
% Starting at chip 3, block 1
% Recording number 162
% File recording started: cbe00ffd
% Error numbers:
% CHUNK TOO LARGE 1
% UNKNOWN SOURCE ID 2
% BAD DATA CRC 3
% OUT OF SEQUENCE CHUNK 4
% INTERPRETATION ERROR 5
*/
if (line == null) {
return Long.MIN_VALUE;
}
int p = line.indexOf(searchLine, 0);
if (p < 0) {
return Long.MIN_VALUE;
}
String hexStr = "0x"+ line.substring(p + searchLine.length() + 2).trim();
long tVal = Long.MIN_VALUE;
try {
tVal = Long.decode(hexStr);
}
catch (NumberFormatException e) {
return Long.MIN_VALUE;
}
if (tVal == Long.MIN_VALUE) {
return Long.MIN_VALUE;
}
return tagReferenceTime + tVal * 1000;
}
// @Override
// public boolean hasSettings() {
// return false;
// }
//
// @Override
// public boolean doSettings() {
// return false;
// }
//
// @Override
// public String getName() {
// return "d2 file time";
// }
//
// @Override
// public String getDescription() {
// return "Extract time information from txt files accompanying d2 wav files";
// }
}