public void writeIdToVertexMap(String filePath) {
try {
BufferedWriter bw = new BufferedWriter(new FileWriter(new File(filePath)));
for (Entry<Integer, String> entry : nodes.entrySet()) {
bw.write(entry.getKey() + " " + entry.getValue() + "\n");
}
bw.close();
} catch (Exception ex) {
ex.printStackTrace();
System.exit(-1);
}
}
/** Writes the properties to disk. */
public final synchronized void write() {
final StringBuilder user = new StringBuilder();
BufferedReader br = null;
try {
// caches options specified by the user
if (file.exists()) {
br = new BufferedReader(new FileReader(file.file()));
for (String line; (line = br.readLine()) != null; ) {
if (line.equals(PROPUSER)) break;
}
for (String line; (line = br.readLine()) != null; ) {
user.append(line).append(NL);
}
}
} catch (final Exception ex) {
Util.debug(ex);
} finally {
if (br != null)
try {
br.close();
} catch (final IOException e) {
}
}
BufferedWriter bw = null;
try {
bw = new BufferedWriter(new FileWriter(file.file()));
bw.write(PROPHEADER + NL);
for (final Field f : getClass().getFields()) {
final Object obj = f.get(null);
if (!(obj instanceof Object[])) continue;
final String key = ((Object[]) obj)[0].toString();
final Object val = props.get(key);
if (val instanceof String[]) {
final String[] str = (String[]) val;
bw.write(key + " = " + str.length + NL);
final int is = str.length;
for (int i = 0; i < is; ++i) {
if (str[i] != null) bw.write(key + (i + 1) + " = " + str[i] + NL);
}
} else if (val instanceof int[]) {
final int[] num = (int[]) val;
final int ns = num.length;
for (int i = 0; i < ns; ++i) {
bw.write(key + i + " = " + num[i] + NL);
}
} else {
bw.write(key + " = " + val + NL);
}
}
bw.write(NL + PROPUSER + NL);
bw.write(user.toString());
} catch (final Exception ex) {
Util.errln("% could not be written.", file);
Util.debug(ex);
} finally {
if (bw != null)
try {
bw.close();
} catch (final IOException e) {
}
}
}