Example usage for java.security PermissionCollection implies

Introduction

In this page you can find the example usage for java.security PermissionCollection implies.

Prototype

public abstract boolean implies(Permission permission);

Source Link

Document

Checks to see if the specified permission is implied by the collection of Permission objects held in this PermissionCollection.

Usage

From source file:Main.java

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);/*from   w  ww. j  a  v  a2  s .  c o  m*/

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

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From source file:Main.java

public static void main(String[] args) {
    // Build property permissions collection
    PropertyPermission permission = new PropertyPermission("java.*", "read");
    PermissionCollection permissions = permission.newPermissionCollection();
    permissions.add(permission);/* w  w  w  . j a v a2 s .c  o  m*/
    permissions.add(new PropertyPermission("java.home.*", "read,write"));

    if (permissions.implies(new PropertyPermission("java.home", "read"))) {
        System.out.println("Has permissions on " + "java.home" + " for read");
    }

    if (permissions.implies(new PropertyPermission("java.home", "write"))) {
        System.out.println("Has permissions on " + "java.home" + " for write");
    }

}

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From source file:com.stratuscom.harvester.deployer.StarterServiceDeployer.java

private static Permission[] expandUmbrella(Permission[] perms) {
    PermissionCollection pc = new Permissions();

    for (Permission p : perms) {
        pc.add(p);/*from  w w  w .  ja v  a  2  s  .c om*/
    }
    if (pc.implies(new UmbrellaGrantPermission())) {
        List l = Collections.list(pc.elements());
        pc.add(new GrantPermission((Permission[]) l.toArray(new Permission[l.size()])));
    }
    List<Permission> permList = new ArrayList<Permission>();

    for (Enumeration<Permission> en = pc.elements(); en.hasMoreElements();) {
        permList.add(en.nextElement());
    }
    return permList.toArray(new Permission[0]);
}

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