Example usage for android.content Context openFileInput

Introduction

In this page you can find the example usage for android.content Context openFileInput.

Prototype

public abstract FileInputStream openFileInput(String name) throws FileNotFoundException;

Source Link

Document

Open a private file associated with this Context's application package for reading.

Usage

From source file:net.giovannicapuano.visualnovel.Memory.java

public static String getLastScript(Context context) {
    StringBuffer buffer = new StringBuffer();

    try {/*  www . ja  v  a2s. c  om*/
        InputStreamReader input = new InputStreamReader(context.openFileInput(SCRIPT));
        BufferedReader reader = new BufferedReader(input);
        String line;
        while ((line = reader.readLine()) != null)
            buffer.append(line);
    } catch (Exception e) {
        Utils.error(e);
    }

    return buffer.toString();
}

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From source file:Main.java

@SuppressWarnings("unchecked")
public static List<Parcelable> readParcelableList(Context context, String fileName, ClassLoader classLoader) {
    List<Parcelable> results = null;
    FileInputStream fis = null;//from  ww w  . j  a va2  s.  co  m
    ByteArrayOutputStream bos = null;
    try {
        fis = context.openFileInput(fileName);
        if (fis != null) {
            bos = new ByteArrayOutputStream();
            byte[] b = new byte[4096];
            int bytesRead;
            while ((bytesRead = fis.read(b)) != -1) {
                bos.write(b, 0, bytesRead);
            }

            byte[] data = bos.toByteArray();

            Parcel parcel = Parcel.obtain();
            parcel.unmarshall(data, 0, data.length);
            parcel.setDataPosition(0);
            results = parcel.readArrayList(classLoader);
        }
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
        results = null;
    } finally {
        if (fis != null)
            try {
                fis.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        if (bos != null)
            try {
                bos.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
    }

    return results;
}

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From source file:Main.java

public static List<String> readFromFile(String file, Context context) {
    List<String> readLines = new ArrayList<String>();
    try {/*w  w w  . j  a  v  a  2s.  c om*/
        // File readFile = new File(config.getApp().getDir("files",
        // Context.MODE_WORLD_READABLE), file);

        BufferedReader reader = toReader(context.openFileInput(file));
        String read = null;
        while ((read = reader.readLine()) != null) {
            readLines.add(read);
        }
        reader.close();

    } catch (IOException e) {

    }
    return readLines;
}

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From source file:Main.java

public static Bitmap getBitmap(Context context, String imageFile) {
    try {//from   w w w. java2s . c o m
        if (imageFile != null) {
            if (imageFile.contains("/")) {
                imageFile = imageFile.substring(imageFile.lastIndexOf("/") + 1);
            }
            FileInputStream in = context.openFileInput(imageFile);
            return BitmapFactory.decodeStream(in);
        }
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    }
    return null;
}

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From source file:Main.java

public static String readFile(Context context, String fileName) {
    if (!exists(context, fileName)) {
        return null;
    }/*from   ww w.  j  a  va2  s .  c  om*/
    FileInputStream fis = null;
    String content = null;
    try {
        fis = context.openFileInput(fileName);
        if (fis != null) {

            byte[] buffer = new byte[1024];
            ByteArrayOutputStream arrayOutputStream = new ByteArrayOutputStream();
            while (true) {
                int readLength = fis.read(buffer);
                if (readLength == -1)
                    break;
                arrayOutputStream.write(buffer, 0, readLength);
            }
            fis.close();
            arrayOutputStream.close();
            content = new String(arrayOutputStream.toByteArray());

        }
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
        content = null;
    } finally {
        try {
            if (fis != null)
                fis.close();
        } catch (IOException ioe) {
            ioe.printStackTrace();
        }
    }
    return content;
}

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From source file:ca.tbcn.greenp.GreenParkingApp.java

/**
 * Load json from stored file, create file if it's not there
 * //from w w  w  . j a  va 2 s . com
 * @param context
 * @return
 * @throws IOException
 */
public static String getJsonFileContents(Context context) throws IOException {
    if (!Util.fileExists(context, JSON_FILE_NAME)) {
        seedJsonFile(context);
    }

    FileInputStream fis = context.openFileInput(JSON_FILE_NAME);

    String contents = Util.inputStreamToString(fis);
    fis.close();

    return contents;
}

---

From source file:net.giovannicapuano.visualnovel.Memory.java

public static Hashtable<String, String> getKeyValues(Context context) {
    Hashtable<String, String> keyvalues = new Hashtable<String, String>();

    try {//ww  w.  ja  v  a  2  s. co  m
        StringBuffer buffer = new StringBuffer();

        InputStreamReader input = new InputStreamReader(context.openFileInput(KEYVALUES));
        BufferedReader reader = new BufferedReader(input);

        String line;
        while ((line = reader.readLine()) != null)
            buffer.append(line);

        JSONObject json = new JSONObject(buffer.toString());
        Iterator<?> keys = json.keys();

        while (keys.hasNext()) {
            String key = (String) keys.next();
            keyvalues.put(key, json.getString(key));
        }
    } catch (Exception e) {
        Utils.error(e);
    }

    return keyvalues;
}

---

From source file:org.wahtod.wififixer.utility.LogUtil.java

private static String getStackTrace(Context context) {
    StringBuilder trace = new StringBuilder();
    DataInputStream d;// ww  w . j  av a 2 s .co m
    try {
        d = new DataInputStream(context.openFileInput(DefaultExceptionHandler.EXCEPTIONS_FILENAME));
    } catch (FileNotFoundException e1) {
        return trace.append(context.getString(R.string.no_stack_trace_found)).toString();
    }
    for (;;) {
        try {
            trace.append(d.readUTF());
        } catch (EOFException e) {
            trace.append(e);
        } catch (IOException e) {
            trace.append(e);
        } finally {
            try {
                d.close();
            } catch (IOException e) {
                trace.append(e);
            }
        }
        context.deleteFile(DefaultExceptionHandler.EXCEPTIONS_FILENAME);
        return trace.toString();
    }
}

---

From source file:ru.kaefik.isaifutdinov.an_weather_widget.utils.Utils.java

public static String openFile(String filename, Context context) {
    String res = "";
    try {/*from ww  w. j  a v a 2 s  . co  m*/
        FileInputStream inputStream = context.openFileInput(filename);
        if (inputStream != null) {
            InputStreamReader isr = new InputStreamReader(inputStream);
            BufferedReader reader = new BufferedReader(isr);
            String line;
            StringBuilder builder = new StringBuilder();
            while ((line = reader.readLine()) != null) {
                builder.append(line);
            }
            inputStream.close();
            res = builder.toString();
        }
    } catch (Throwable t) {
        // TODO: ?  ??   ,  ?  ?  
    }
    return res;
}

---

From source file:com.jamesgiang.aussnowcam.Utils.java

public static String ReadSettings(Context context, String file) throws IOException {
    FileInputStream fIn = null;/* w ww . j  a  v a  2s  .com*/
    InputStreamReader isr = null;
    String data = null;
    fIn = context.openFileInput(file);
    isr = new InputStreamReader(fIn);
    char[] inputBuffer = new char[fIn.available()];
    isr.read(inputBuffer);
    data = new String(inputBuffer);
    isr.close();
    fIn.close();
    return data;
}

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