/**
* This assumes each line is of the form (number=value) and it adds each value in order of the
* lines in the file
*
* @param file Which file to load
* @return An index built out of the lines in the file
*/
public static Index<String> loadFromFilename(String file) {
Index<String> index = new HashIndex<String>();
BufferedReader br = null;
try {
br = new BufferedReader(new FileReader(file));
for (String line; (line = br.readLine()) != null; ) {
int start = line.indexOf('=');
if (start == -1 || start == line.length() - 1) {
continue;
}
index.add(line.substring(start + 1));
}
br.close();
} catch (Exception e) {
e.printStackTrace();
} finally {
if (br != null) {
try {
br.close();
} catch (IOException ioe) {
// forget it
}
}
}
return index;
}
/**
* This assumes each line is one value and creates index by adding values in the order of the
* lines in the file
*
* @param file Which file to load
* @return An index built out of the lines in the file
*/
public static Index<String> loadFromFileWithList(String file) {
Index<String> index = new HashIndex<String>();
BufferedReader br = null;
try {
br = new BufferedReader(new FileReader(file));
for (String line; (line = br.readLine()) != null; ) {
index.add(line.trim());
}
br.close();
} catch (Exception e) {
e.printStackTrace();
} finally {
if (br != null) {
try {
br.close();
} catch (IOException ioe) {
// forget it
}
}
}
return index;
}
