Example usage for java.io FileInputStream close

Introduction

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

Prototype

public void close() throws IOException

Source Link

Document

Closes this file input stream and releases any system resources associated with the stream.

Usage

From source file:Main.java

/**
 *
 * @param path/*from w w  w . j av  a  2s.  c  om*/
 * @return
 */
public static Bitmap returnBmpByPath(String path) {
    Bitmap bitmap = null;
    File file = new File(path);
    try {
        if (file.exists()) {
            FileInputStream is = new FileInputStream(file);
            bitmap = BitmapFactory.decodeStream(is);
            is.close();
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
    //Log.v(tag, bitmap.toString());

    return bitmap;

}

From source file:Main.java

public static byte[] readBytesFromFile(File file) {
    if (file != null && file.exists() && file.isFile()) {
        int filelength = (int) file.length();
        byte[] filecontent = new byte[filelength];
        try {//w w w .j a v a  2 s . co  m
            FileInputStream in = new FileInputStream(file);
            in.read(filecontent);
            in.close();

        } catch (Exception e) {
            Log.v(TAG, "read file is error");
            return null;
        }
        return filecontent;
    }
    return null;
}

From source file:Main.java

public static String encodeBase64File(String path) throws Exception {
    File file = new File(path);
    FileInputStream inputFile = new FileInputStream(file);
    byte[] buffer = new byte[(int) file.length()];
    inputFile.read(buffer);//  ww  w  . ja v a2 s.  c  o m
    inputFile.close();
    return android.util.Base64.encodeToString(buffer, Base64.DEFAULT);
}

From source file:Main.java

/**
 * This method reads an XML file and returns its contents as String.
 * @param xmlFileName The name (path) of the XML file.
 * @return The string (XML) representation of the XML file.
 * @throws Exception If there is a problem.
 *//*  www.  j av a2 s. com*/
public static String convertXmlToString(String xmlFileName) throws Exception {
    File file = new File(xmlFileName);
    FileInputStream insr = new FileInputStream(file);
    byte[] fileBuffer = new byte[(int) file.length()];
    insr.read(fileBuffer);
    insr.close();
    return new String(fileBuffer);
}

From source file:Main.java

public static String FiletoBase64(String path) throws Exception {
    File file = new File(path);
    FileInputStream inputFile = new FileInputStream(file);
    byte[] buffer = new byte[(int) file.length()];
    inputFile.read(buffer);/*  w ww  .ja  v  a  2s.com*/
    inputFile.close();
    return new String(Base64.encodeBase64(buffer));
}

From source file:Main.java

public static String encodeBase64File(String path) throws Exception {
    File file = new File(path);
    FileInputStream inputFile = new FileInputStream(file);
    byte[] buffer = new byte[(int) file.length()];
    inputFile.read(buffer);/*from w ww  . j a  v  a  2  s  . c o  m*/
    inputFile.close();
    return Base64.encodeToString(buffer, Base64.DEFAULT);
}

From source file:Main.java

public static byte[] getBytesFromFile(String path) throws IOException {
    FileInputStream file = new FileInputStream(path);
    byte[] data = new byte[(int) file.available()];
    file.read(data);//from www . java 2 s.  c  o m
    file.close();
    return data;

}

From source file:Main.java

public static Bitmap decodeFile(File f, int maxSize) {
    Bitmap b = null;/*w  w  w .  j  a v  a  2 s  . co  m*/
    try {
        //Decode image size
        BitmapFactory.Options o = new BitmapFactory.Options();
        o.inJustDecodeBounds = true;

        FileInputStream fis = new FileInputStream(f);
        BitmapFactory.decodeStream(fis, null, o);
        fis.close();

        int scale = 1;
        if (o.outHeight > maxSize || o.outWidth > maxSize) {
            scale = (int) Math.pow(2, (int) Math
                    .round(Math.log(maxSize / (double) Math.max(o.outHeight, o.outWidth)) / Math.log(0.5)));
        }

        //Decode with inSampleSize
        BitmapFactory.Options o2 = new BitmapFactory.Options();
        o2.inSampleSize = scale;
        fis = new FileInputStream(f);
        b = BitmapFactory.decodeStream(fis, null, o2);
        fis.close();
    } catch (IOException e) {
    }
    return b;
}

From source file:Main.java

public static byte[] readBytesFromFile(String path) {
    if (path == null || path.trim().length() == 0) {
        return null;
    }//from w ww.  ja v a  2s  . c  o  m

    File file = new File(path);

    if (file.exists() && file.isFile()) {
        int filelength = (int) file.length();
        byte[] filecontent = new byte[filelength];
        try {
            FileInputStream in = new FileInputStream(file);
            in.read(filecontent);
            in.close();

        } catch (IOException e) {
            Log.v(TAG, "read file is error");
            return null;
        }
        return filecontent;
    }
    return null;
}

From source file:Main.java

public static Bitmap readBitmapFile(String aFileName) {
    Bitmap bitmap = null;/*w  w  w. j  a  v  a 2s. c  o m*/
    File file = new File(aFileName);
    try {
        FileInputStream fis = new FileInputStream(file);
        bitmap = BitmapFactory.decodeStream(fis);
        fis.close();
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } catch (OutOfMemoryError e) {
        e.printStackTrace();
    }
    return bitmap;
}