public FiledescRecord parse(InputStream is) throws IOException {
FiledescRecord rec = new FiledescRecord();
try {
// TODO: count input bytes read...
BufferedReader br = new BufferedReader(new InputStreamReader(is, "UTF-8"));
String line = br.readLine();
parseLine1(rec, line);
line = br.readLine();
if (line == null) {
if (strict) {
throw new IOException("No format line");
}
rec.setFormat("Unknown");
} else {
rec.setFormat(line);
}
// TODO: only parse metadata if format 1.1?
line = br.readLine();
while (line != null) {
addMetaDataLine(rec, line);
line = br.readLine();
}
} catch (UnsupportedEncodingException e) {
// nope
}
return rec;
}
private void addMetaDataLine(FiledescRecord rec, String metaLine) {
if (metaLine.startsWith("<")) {
int endOfTag = metaLine.indexOf('>');
if (endOfTag > 0) {
String name = metaLine.substring(1, endOfTag);
String tail = "</" + name + ">";
if (metaLine.endsWith(tail)) {
// looks good:
int nameLength = name.length();
int wrapperLength = (nameLength * 2) + 5;
int valueLength = metaLine.length() - wrapperLength;
if (valueLength > 0) {
String value = metaLine.substring(nameLength + 2, nameLength + valueLength + 2);
rec.addMetaData(name, value);
}
}
}
}
}
private void parseLine1(FiledescRecord rec, String line1) throws IOException {
if (line1 == null) {
if (strict) {
throw new IOException("Empty filedesc record");
}
rec.setMajorVersion(0);
rec.setMinorVersion(0);
rec.setOrganization("Unknown");
return;
}
String parts[] = line1.split(" ");
if (parts.length < 3) {
// hrm...
if (strict) {
throw new IOException("Bad Filedesc line 1:" + line1);
}
rec.setOrganization(line1);
if (parts.length < 2) {
rec.setMinorVersion(0);
} else {
rec.setMinorVersion(parseIntOrVal(parts[1], 0));
}
if (parts.length < 1) {
rec.setMajorVersion(0);
} else {
rec.setMajorVersion(parseIntOrVal(parts[0], 0));
}
} else {
if (parts.length == 3) {
rec.setOrganization(parts[2]);
} else {
StringBuilder sb = new StringBuilder(line1.length());
for (int i = 2; i < parts.length; i++) {
if (i > 2) {
sb.append(" ");
}
sb.append(parts[i]);
rec.setOrganization(sb.toString());
}
}
rec.setMajorVersion(parseIntOrVal(parts[0], 0));
rec.setMinorVersion(parseIntOrVal(parts[1], 0));
}
}
