/* * Copyright (c) 1999, 2007, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */package javax.crypto;import java.security.*;import java.util.Enumeration;import java.util.Vector;/** * The CryptoAllPermission is a permission that implies * any other crypto permissions. * <p> * * @see java.security.Permission * @see java.security.AllPermission * * @author Sharon Liu * @since 1.4 */final class CryptoAllPermission extends CryptoPermission { private static final long serialVersionUID = -5066513634293192112L; // This class is similar to java.security.AllPermission. static final String ALG_NAME = "CryptoAllPermission"; static final CryptoAllPermission INSTANCE = new CryptoAllPermission(); private CryptoAllPermission() { super(ALG_NAME); } /** * Checks if the specified permission is implied by * this object. * * @param p the permission to check against. * * @return true if the specified permission is an * instance of CryptoPermission. */ public boolean implies(Permission p) { return (p instanceof CryptoPermission); } /** * Checks two CryptoAllPermission objects for equality. * Two CryptoAllPermission objects are always equal. * * @param obj the object to test for equality with this object. * * @return true if <i>obj</i> is a CryptoAllPermission object. */ public boolean equals(Object obj) { return (obj == INSTANCE); } /** * * Returns the hash code value for this object. * * @return a hash code value for this object. */ public int hashCode() { return 1; } /** * Returns a new PermissionCollection object for storing * CryptoAllPermission objects. * <p> * * @return a new PermissionCollection object suitable for * storing CryptoAllPermissions. */ public PermissionCollection newPermissionCollection() { return new CryptoAllPermissionCollection(); }}/** * A CryptoAllPermissionCollection stores a collection * of CryptoAllPermission permissions. * * @see java.security.Permission * @see java.security.Permissions * @see javax.crypto.CryptoPermission * * @author Sharon Liu */final class CryptoAllPermissionCollection extends PermissionCollection implements java.io.Serializable{ private static final long serialVersionUID = 7450076868380144072L; // true if a CryptoAllPermission has been added private boolean all_allowed; /** * Create an empty CryptoAllPermissions object. */ CryptoAllPermissionCollection() { all_allowed = false; } /** * Adds a permission to the CryptoAllPermissions. * * @param permission the Permission object to add. * * @exception SecurityException - if this CryptoAllPermissionCollection * object has been marked readonly */ public void add(Permission permission) { if (isReadOnly()) throw new SecurityException("attempt to add a Permission to " + "a readonly PermissionCollection"); if (permission != CryptoAllPermission.INSTANCE) return; all_allowed = true; } /** * Check and see if this set of permissions implies the permissions * expressed in "permission". * * @param p the Permission object to compare * * @return true if the given permission is implied by this * CryptoAllPermissionCollection. */ public boolean implies(Permission permission) { if (!(permission instanceof CryptoPermission)) { return false; } return all_allowed; } /** * Returns an enumeration of all the CryptoAllPermission * objects in the container. * * @return an enumeration of all the CryptoAllPermission objects. */ public Enumeration elements() { Vector v = new Vector(1); if (all_allowed) v.add(CryptoAllPermission.INSTANCE); return v.elements(); }}
/*
* Copyright (c) 1999, 2007, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package javax.crypto;
import java.security.*;
import java.util.Enumeration;
import java.util.Vector;
/**
* The CryptoAllPermission is a permission that implies
* any other crypto permissions.
* <p>
*
* @see java.security.Permission
* @see java.security.AllPermission
*
* @author Sharon Liu
* @since 1.4
*/
final class CryptoAllPermission extends CryptoPermission {
private static final long serialVersionUID = -5066513634293192112L;
// This class is similar to java.security.AllPermission.
static final String ALG_NAME = "CryptoAllPermission";
static final CryptoAllPermission INSTANCE =
new CryptoAllPermission();
private CryptoAllPermission() {
super(ALG_NAME);
}
/**
* Checks if the specified permission is implied by
* this object.
*
* @param p the permission to check against.
*
* @return true if the specified permission is an
* instance of CryptoPermission.
*/
public boolean implies(Permission p) {
return (p instanceof CryptoPermission);
}
/**
* Checks two CryptoAllPermission objects for equality.
* Two CryptoAllPermission objects are always equal.
*
* @param obj the object to test for equality with this object.
*
* @return true if <i>obj</i> is a CryptoAllPermission object.
*/
public boolean equals(Object obj) {
return (obj == INSTANCE);
}
/**
*
* Returns the hash code value for this object.
*
* @return a hash code value for this object.
*/
public int hashCode() {
return 1;
}
/**
* Returns a new PermissionCollection object for storing
* CryptoAllPermission objects.
* <p>
*
* @return a new PermissionCollection object suitable for
* storing CryptoAllPermissions.
*/
public PermissionCollection newPermissionCollection() {
return new CryptoAllPermissionCollection();
}
}
/**
* A CryptoAllPermissionCollection stores a collection
* of CryptoAllPermission permissions.
*
* @see java.security.Permission
* @see java.security.Permissions
* @see javax.crypto.CryptoPermission
*
* @author Sharon Liu
*/
final class CryptoAllPermissionCollection extends PermissionCollection
implements java.io.Serializable
{
private static final long serialVersionUID = 7450076868380144072L;
// true if a CryptoAllPermission has been added
private boolean all_allowed;
/**
* Create an empty CryptoAllPermissions object.
*/
CryptoAllPermissionCollection() {
all_allowed = false;
}
/**
* Adds a permission to the CryptoAllPermissions.
*
* @param permission the Permission object to add.
*
* @exception SecurityException - if this CryptoAllPermissionCollection
* object has been marked readonly
*/
public void add(Permission permission)
{
if (isReadOnly())
throw new SecurityException("attempt to add a Permission to " +
"a readonly PermissionCollection");
if (permission != CryptoAllPermission.INSTANCE)
return;
all_allowed = true;
}
/**
* Check and see if this set of permissions implies the permissions
* expressed in "permission".
*
* @param p the Permission object to compare
*
* @return true if the given permission is implied by this
* CryptoAllPermissionCollection.
*/
public boolean implies(Permission permission)
{
if (!(permission instanceof CryptoPermission)) {
return false;
}
return all_allowed;
}
/**
* Returns an enumeration of all the CryptoAllPermission
* objects in the container.
*
* @return an enumeration of all the CryptoAllPermission objects.
*/
public Enumeration elements() {
Vector v = new Vector(1);
if (all_allowed) v.add(CryptoAllPermission.INSTANCE);
return v.elements();
}
}