Example usage for java.io FileInputStream available

Introduction

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

Prototype

public int available() throws IOException

Source Link

Document

Returns an estimate of the number of remaining bytes that can be read (or skipped over) from this input stream without blocking by the next invocation of a method for this input stream.

Usage

From source file:Main.java

/**
 * <pre>/*from   w  ww  .j  a  va 2s. com*/
 * Read binary data from arbitrary file.
 * </pre>
 * @param absolutePath absolute path to source file
 * @return binary data
 */
public static byte[] readFile(String absolutePath) throws IOException {
    File file = new File(absolutePath);
    if (!file.exists()) {
        return null;
    }

    FileInputStream in = new FileInputStream(file);
    byte[] b = new byte[in.available()];
    in.read(b);
    in.close();

    return b;
}

From source file:Main.java

public static long getFileSize(File file) {
    long s = 0;//  ww w  .  ja  va 2  s.c o m
    if (file != null && file.exists()) {
        FileInputStream fis = null;
        try {
            fis = new FileInputStream(file);
            s = fis.available();
        } catch (FileNotFoundException e) {

        } catch (IOException e) {

        }
    }
    return s;
}

From source file:com.kyon.klib.base.KFileUtils.java

public static String readFile(Context context, String fileName) throws IOException {
    String res = "";
    try {/*from   w w w.  j  a  v  a2 s  .c  om*/
        FileInputStream fIn = context.openFileInput(fileName);
        int length = fIn.available();
        byte[] buffer = new byte[length];
        fIn.read(buffer);
        res = EncodingUtils.getString(buffer, "UTF-8");
        fIn.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return res;

}

From source file:Main.java

public static long getFileSizes(File f) {
    FileInputStream fis = null;
    try {/*from  ww  w . j a  v  a  2  s.  c o m*/
        fis = new FileInputStream(f);
        return fis.available();
    } catch (FileNotFoundException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } finally {
        try {
            if (fis != null)
                fis.close();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
    return -1;
}

From source file:org.apache.drill.exec.store.http.util.JsonConverter.java

@SuppressWarnings("resource")
public static String stringFromFile(String file) {
    try {//ww  w .  j av  a 2  s. com
        FileInputStream stream = new FileInputStream(file);
        int size = stream.available();
        byte[] bytes = new byte[size];
        stream.read(bytes);
        return new String(bytes, Charsets.UTF_8);
    } catch (IOException e) {
    }
    return "";
}

From source file:Main.java

public static byte[] read(Context context, String fileName) throws FileNotFoundException, IOException {

    File file = getFile(context, fileName);
    ByteArrayOutputStream bos = new ByteArrayOutputStream();

    if (file != null) {
        FileInputStream fis = new FileInputStream(file);
        byte[] data = new byte[fis.available()];
        fis.read(data);/*from   ww  w. j  a v  a  2s  .com*/
        bos.write(data);
        fis.close();
    }

    return bos.toByteArray();
}

From source file:Main.java

public static byte[] getFileContent(String fileName) {
    FileInputStream fin = null;
    try {//from  ww w .j  a va 2  s  .com
        fin = new FileInputStream(fileName);
        int length = fin.available();
        byte[] bytes = new byte[length];
        fin.read(bytes);
        return bytes;
    } catch (Exception e) {
        e.printStackTrace();
        return null;
    } finally {
        try {
            if (fin != null) {
                fin.close();
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

From source file:com.chargebee.MethodBank.MethodBank.java

public static JSONObject readJsonObjectData(String fileName) throws Exception { //processes the Json object and returns in the required format. 
    File f = new File(fileName);
    FileInputStream fr = new FileInputStream(f);
    byte[] b = new byte[fr.available()];
    fr.read(b);/*from   www  . ja  va  2 s  .c o  m*/
    JSONObject jobj = new JSONObject(new String(b));
    return jobj; // The required Json object

}

From source file:com.chargebee.MethodBank.MethodBank.java

public static JSONArray readJsonArrayData(String fileName) throws Exception { //processes the Json array and returns in the required format. 
    File f = new File(fileName);
    FileInputStream fr = new FileInputStream(f);
    byte[] b = new byte[fr.available()];
    fr.read(b);/*from  w  w w. java2s.  com*/
    JSONArray jarr = new JSONArray(new String(b));
    return jarr; // The required Json array

}

From source file:net.itransformers.bgpPeeringMap.BgpPeeringMapFromFile.java

private static byte[] readRawDataFile(String rawData) throws Exception {
    FileInputStream is = new FileInputStream(rawData);
    byte[] data = new byte[is.available()];
    is.read(data);//from ww w  . j a v a 2  s  . c o  m
    return data;
}