import java.io.File;

import java.io.IOException;

import java.io.InputStream;

public class ResourceLoadDemo{

private static final String RESOURCE_FILE = "resource.txt";

public static void main(String[] args) {

System.out.println(ResourceLoadDemo.class.getClassLoader());

InputStream is = ResourceLoadDemo.class.getResourceAsStream(RESOURCE_FILE);

if(is==null){

System.err.printf("%s not found%n", RESOURCE_FILE);

return ;

}

try{

byte[] unit = new byte[1024];

int rd, length = 0;

if(is.markSupported()){

System.out.println("markSupported is true.");

is.mark(Integer.MAX_VALUE);

while((rd=is.read())!=-1){

length+=rd;

}

byte[] image = new byte[length];

int i=0;

is.reset();

while((rd=is.read())!=-1){

image[i++] = (byte)rd;

}

for(i=0;i<16;i++){

System.out.printf("%02X ", image[i]);

}

}else{

System.out.println("markSupported is false, need alternative approach:)");

while((rd=is.read())!=-1){

length+=rd;

}

byte[] image = new byte[length];

// Obtain a new InputStream to read.

InputStream nis = ResourceLoadDemo.class.getResourceAsStream(RESOURCE_FILE);

int i =0;

while((rd=nis.read())!=-1){

image[i++] = (byte)rd;

}

for(i=0;i<16;i++){

System.out.printf("%02X ", image[i]);

}

}

}catch(IOException ioe){

ioe.printStackTrace();

}

}

}