Java IO Tutorial - Java FilePermission .newPermissionCollection ()

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Syntax

FilePermission.newPermissionCollection() has the following syntax.

public PermissionCollection newPermissionCollection()

Example

In the following code shows how to use FilePermission.newPermissionCollection() method.

// www .  java2s.co  m

import java.io.FilePermission;
import java.io.IOException;
import java.security.PermissionCollection;

public class Main {

  public static void main(String[] args) throws IOException {

    // create new file permissions
    FilePermission  fp = new FilePermission("C://test.txt", "read");

    // create new permission collection
    PermissionCollection  pc = fp.newPermissionCollection();

    // add permission to the permission collection
    pc.add(fp);

    if (pc.implies(new FilePermission("C://test.txt", "read"))) {
      System.out.println("Permission for C://test.txt is read");
    }
  }
}

The code above generates the following result.

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