public static void staticalFeature(String source, String dest) {
BufferedReader bufferedReader = null;
BufferedWriter bufferedWriter = null;
if (!new File(source).exists()) {
System.err.println("There is no such file.");
return;
}
FileUtil.CompulsoryCreateFile(dest);
try {
bufferedReader = new BufferedReader(new FileReader(source));
bufferedWriter = new BufferedWriter(new FileWriter(dest));
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
Map<String, ArrayList<String>> featureHashMap = new HashMap<String, ArrayList<String>>();
String line = null, feature = null, queryId = null;
String[] mapElements = null;
ArrayList<String> features = null;
System.out.println("begin to reading ...");
try {
while ((line = bufferedReader.readLine()) != null) {
mapElements = line.split(" ");
feature = mapElements[0].substring(34);
queryId = mapElements[1].substring(27);
if (featureHashMap.containsKey(queryId)) {
features = featureHashMap.get(queryId);
if (!features.contains(feature)) features.add(feature);
} else {
features = new ArrayList<String>();
if (features.add(feature)) featureHashMap.put(queryId, features);
else {
throw new Exception("add error");
}
}
}
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
} finally {
try {
bufferedReader.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
String shortFeatures = null;
Set<String> queryIds = featureHashMap.keySet();
try {
for (String qId : queryIds) {
shortFeatures = "";
for (String fea : featureHashMap.get(qId)) shortFeatures += fea.charAt(0);
bufferedWriter.write(qId + "\t" + shortFeatures + "\n");
}
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} finally {
try {
bufferedWriter.flush();
bufferedWriter.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
System.out.println("end to write...");
}
public static void CountFeature(String source, String dest) {
BufferedReader bufferedReader = null;
BufferedWriter bufferedWriter = null;
if (!new File(source).exists()) {
System.err.println("There is no such file.");
return;
}
FileUtil.CompulsoryCreateFile(dest);
try {
bufferedReader = new BufferedReader(new FileReader(source));
bufferedWriter = new BufferedWriter(new FileWriter(dest));
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
Map<String, Integer> faturesHashMap = new HashMap<String, Integer>();
String line = null, features = null;
Integer count = null;
String[] mapElements = null;
System.out.println("begin to reading ...");
try {
while ((line = bufferedReader.readLine()) != null) {
mapElements = line.split("\t");
features = mapElements[1];
if (faturesHashMap.containsKey(features)) {
count = faturesHashMap.get(features);
faturesHashMap.put(features, new Integer(count + 1));
} else {
faturesHashMap.put(features, new Integer(1));
}
}
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} finally {
try {
bufferedReader.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
Set<String> featureSet = faturesHashMap.keySet();
try {
for (String feature : featureSet) {
bufferedWriter.write(feature + "\t" + faturesHashMap.get(feature) + "\n");
}
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} finally {
try {
bufferedWriter.flush();
bufferedWriter.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
System.out.println("end to write...");
}
