Example usage for java.io FileReader FileReader

Introduction

In this page you can find the example usage for java.io FileReader FileReader.

Prototype

public FileReader(FileDescriptor fd)

Source Link

Document

Creates a new FileReader , given the FileDescriptor to read, using the platform's java.nio.charset.Charset#defaultCharset() default charset .

Usage

From source file:Main.java

static String getSaveLocation(String saveName) {
    String saveLocation;/*w ww . ja  v a2s  .co m*/
    File notification = new File(
            Environment.getExternalStorageDirectory().toString() + "/.Instagram/" + saveName + ".txt");

    try {
        BufferedReader br = new BufferedReader(new FileReader(notification));

        saveLocation = br.readLine();
        saveLocation = saveLocation.replace("file://", "").replaceAll(" ", "%20");
        br.close();
    } catch (Throwable t) {
        saveLocation = "Instagram";
    }

    if (!saveLocation.substring(saveLocation.length() - 1).equals("/") && !saveLocation.equals("Instagram")) {
        saveLocation = saveLocation + "/";
    }

    return saveLocation;
}

From source file:Main.java

public static double[] readVectorDouble(String path) throws FileNotFoundException {
    ArrayList<Double> arr = new ArrayList<Double>();
    System.err.println("Load vector from " + path);
    Scanner sc = new Scanner(new BufferedReader(new FileReader(path)));
    while (sc.hasNext()) {
        String line = sc.nextLine();
        if (line.isEmpty()) {
            break;
        }/*from   w  w  w  . ja v  a2 s  . c om*/
        if (line.startsWith("%%")) { // detect matrix market format
            System.err.println(line);
            while (sc.nextLine().startsWith("%"))
                ; // skip the comment line, and the dimension info.
            continue;
        }
        arr.add(Double.parseDouble(line));
    }
    System.err.println("Length: " + arr.size());
    double[] ret = new double[arr.size()];
    for (int i = 0; i < arr.size(); i++)
        ret[i] = arr.get(i);
    System.err.println("Done.");
    return ret;
}

From source file:Main.java

public static void loadSystemClassPath() {
    try {// w w w. j  ava 2  s.  c om
        File file = new File("../classpath.txt");
        if (!file.exists())
            return;
        BufferedReader bf = new BufferedReader(new FileReader("../classpath.txt"));
        syspath = bf.readLine();
        System.out.println(syspath);
        File pfile = new File(syspath);
        if (!pfile.exists()) {
            bf.close();
            file.delete();
            return;
        }

    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:Main.java

static String getSetting(String name) {
    File file = new File(Environment.getExternalStorageDirectory().toString() + "/.Instagram/" + name + ".txt");
    StringBuilder text = new StringBuilder();

    try {//from   ww w.  java  2 s.  co  m
        BufferedReader br = new BufferedReader(new FileReader(file));
        String line;

        while ((line = br.readLine()) != null) {
            text.append(line);
        }
        br.close();
    } catch (IOException e) {
        text.append("Instagram");
    }

    return text.toString();
}

From source file:Main.java

public static int getMinCpuFreq() {
    int result = 0;
    FileReader fr = null;//from  ww  w .  j  a v a2 s .c  om
    BufferedReader br = null;
    try {
        fr = new FileReader(kCpuInfoMinFreqFilePath);
        br = new BufferedReader(fr);
        String text = br.readLine();
        result = Integer.parseInt(text.trim());
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (fr != null)
            try {
                fr.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        if (br != null)
            try {
                br.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
    }
    return result;
}

From source file:Main.java

public static int getMaxCpuFreq() {
    int result = 0;
    FileReader fr = null;/*from  w w w  .  j a  v a2  s. c om*/
    BufferedReader br = null;
    try {
        fr = new FileReader(kCpuInfoMaxFreqFilePath);
        br = new BufferedReader(fr);
        String text = br.readLine();
        result = Integer.parseInt(text.trim());
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (fr != null)
            try {
                fr.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        if (br != null)
            try {
                br.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
    }
    return result;
}

From source file:Main.java

public static int getCurrCpuFreq() {
    int result = 0;
    FileReader fr = null;//from ww  w .ja  v  a  2  s. c  o  m
    BufferedReader br = null;
    try {
        fr = new FileReader(kCpuInfoCurFreqFilePath);
        br = new BufferedReader(fr);
        String text = br.readLine();
        result = Integer.parseInt(text.trim());
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (fr != null)
            try {
                fr.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        if (br != null)
            try {
                br.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
    }
    return result;
}

From source file:Main.java

/**
 * Returns the package name of a file that has one of the annotations we are looking for.
 *
 * @return Package prefix string or null or no annotations.
 *///from   w w  w  .j  av a2 s .  co m
private static String getPackageOfClass(File file) throws IOException {
    BufferedReader reader = new BufferedReader(new FileReader(file));
    try {
        while (true) {
            String line = reader.readLine();
            if (line == null) {
                return null;
            }
            if (line.contains("package")) {
                String[] parts = line.split("[ \t;]");
                if (parts.length > 1 && parts[0].equals("package")) {
                    return parts[1];
                }
            }
        }
    } finally {
        reader.close();
    }
}

From source file:Main.java

public static void loadXPATHConf() {
    xpath_expression = new String[xpath_size];
    BufferedReader br;//from  www  .j a  v a  2 s .c om
    try {
        br = new BufferedReader(new FileReader(xpathconf_path));

        String line = "";
        int counter = 0;
        while (((line = br.readLine()) != null) && counter < xpath_size) {
            xpath_expression[counter] = line;
            counter++;
        }
        br.close();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
}

From source file:Main.java

public static JSONObject readJSONFile(String path) {
    String file = new String(), tmp;
    try {/*  ww w  .j av a 2s. c o m*/
        // Read the file
        BufferedReader bf = new BufferedReader(new FileReader(new File(path)));
        while ((tmp = bf.readLine()) != null) {
            file += tmp;
        }
        bf.close();

        // Parse the JSON
        JSONObject jso = new JSONObject(file);
        return jso;
    } catch (JSONException e) {
        Log.e("JSO reading", "Error parsing the JSO file " + path + "\n" + e.getMessage());
    } catch (IOException e) {
        Log.e("JSO reading", "Error reading the file " + path + "\n" + e.getMessage());
    }

    return null;
}