diff options
Diffstat (limited to 'libjava/java/security/BasicPermission.java')
| -rw-r--r-- | libjava/java/security/BasicPermission.java | 203 |
1 files changed, 102 insertions, 101 deletions
diff --git a/libjava/java/security/BasicPermission.java b/libjava/java/security/BasicPermission.java index fef0b87a8ad..741f2b02464 100644 --- a/libjava/java/security/BasicPermission.java +++ b/libjava/java/security/BasicPermission.java @@ -1,5 +1,5 @@ /* BasicPermission.java -- implements a simple named permission - Copyright (C) 1998, 1999, 2002, 2003, 2004 Free Software Foundation, Inc. + Copyright (C) 1998, 1999, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. This file is part of GNU Classpath. @@ -58,8 +58,8 @@ import java.util.Hashtable; * <p>This class ignores the action list. Subclasses can choose to implement * actions on top of this class if desired. * - * @author Aaron M. Renn <arenn@urbanophile.com> - * @author Eric Blake <ebb9@email.byu.edu> + * @author Aaron M. Renn (arenn@urbanophile.com) + * @author Eric Blake (ebb9@email.byu.edu) * @see Permission * @see Permissions * @see PermissionCollection @@ -72,8 +72,9 @@ import java.util.Hashtable; * @since 1.1 * @status updated to 1.4 */ -public abstract class BasicPermission extends Permission +public abstract class BasicPermission extends java.security.Permission implements Serializable + // FIXME extends with fully qualified classname as workaround for gcj 3.3. { /** * Compatible with JDK 1.1+. @@ -197,111 +198,111 @@ public abstract class BasicPermission extends Permission { return new BasicPermissionCollection(getClass()); } -} // class BasicPermission -/** - * Implements AllPermission.newPermissionCollection, and obeys serialization - * of JDK. - * - * @author Eric Blake <ebb9@email.byu.edu> - */ -final class BasicPermissionCollection extends PermissionCollection -{ /** - * Compatible with JDK 1.1+. - */ - private static final long serialVersionUID = 739301742472979399L; - - /** - * The permissions in the collection. + * Implements AllPermission.newPermissionCollection, and obeys serialization + * of JDK. * - * @serial a hash mapping name to permissions, all of type permClass + * @author Eric Blake (ebb9@email.byu.edu) */ - private final Hashtable permissions = new Hashtable(); + private static final class BasicPermissionCollection extends PermissionCollection + { + /** + * Compatible with JDK 1.1+. + */ + private static final long serialVersionUID = 739301742472979399L; - /** - * If "*" is in the collection. - * - * @serial true if a permission named "*" is in the collection - */ - private boolean all_allowed; + /** + * The permissions in the collection. + * + * @serial a hash mapping name to permissions, all of type permClass + */ + private final Hashtable permissions = new Hashtable(); - /** - * The runtime class which all entries in the table must belong to. - * - * @serial the limiting subclass of this collection - */ - private final Class permClass; + /** + * If "*" is in the collection. + * + * @serial true if a permission named "*" is in the collection + */ + private boolean all_allowed; - /** - * Construct a collection over the given runtime class. - * - * @param c the class - */ - BasicPermissionCollection(Class c) - { - permClass = c; - } + /** + * The runtime class which all entries in the table must belong to. + * + * @serial the limiting subclass of this collection + */ + private final Class permClass; - /** - * Add a Permission. It must be of the same type as the permission which - * created this collection. - * - * @param perm the permission to add - * @throws IllegalArgumentException if perm is not the correct type - * @throws SecurityException if the collection is read-only - */ - public void add(Permission perm) - { - if (isReadOnly()) - throw new SecurityException("readonly"); - if (! permClass.isInstance(perm)) - throw new IllegalArgumentException("Expecting instance of " + permClass); - BasicPermission bp = (BasicPermission) perm; - String name = bp.getName(); - if (name.equals("*")) - all_allowed = true; - permissions.put(name, bp); - } + /** + * Construct a collection over the given runtime class. + * + * @param c the class + */ + BasicPermissionCollection(Class c) + { + permClass = c; + } - /** - * Returns true if this collection implies the given permission. - * - * @param permission the permission to check - * @return true if it is implied by this - */ - public boolean implies(Permission permission) - { - if (! permClass.isInstance(permission)) - return false; - if (all_allowed) - return true; - BasicPermission toImply = (BasicPermission) permission; - String name = toImply.getName(); - if (name.equals("*")) - return false; - int prefixLength = name.length(); - if (name.endsWith("*")) - prefixLength -= 2; + /** + * Add a Permission. It must be of the same type as the permission which + * created this collection. + * + * @param perm the permission to add + * @throws IllegalArgumentException if perm is not the correct type + * @throws SecurityException if the collection is read-only + */ + public void add(Permission perm) + { + if (isReadOnly()) + throw new SecurityException("readonly"); + if (! permClass.isInstance(perm)) + throw new IllegalArgumentException("Expecting instance of " + permClass); + BasicPermission bp = (BasicPermission) perm; + String name = bp.getName(); + if (name.equals("*")) + all_allowed = true; + permissions.put(name, bp); + } - while (true) - { - if (permissions.get(name) != null) - return true; - prefixLength = name.lastIndexOf('.', prefixLength); - if (prefixLength < 0) - return false; - name = name.substring(0, prefixLength + 1) + '*'; - } - } + /** + * Returns true if this collection implies the given permission. + * + * @param permission the permission to check + * @return true if it is implied by this + */ + public boolean implies(Permission permission) + { + if (! permClass.isInstance(permission)) + return false; + if (all_allowed) + return true; + BasicPermission toImply = (BasicPermission) permission; + String name = toImply.getName(); + if (name.equals("*")) + return false; + int prefixLength = name.length(); + if (name.endsWith("*")) + prefixLength -= 2; - /** - * Enumerate over the collection. - * - * @return an enumeration of the collection contents - */ - public Enumeration elements() - { - return permissions.elements(); - } -} // class BasicPermissionCollection + while (true) + { + if (permissions.get(name) != null) + return true; + prefixLength = name.lastIndexOf('.', prefixLength); + if (prefixLength < 0) + return false; + name = name.substring(0, prefixLength + 1) + '*'; + } + } + + /** + * Enumerate over the collection. + * + * @return an enumeration of the collection contents + */ + public Enumeration elements() + { + return permissions.elements(); + } + } // class BasicPermissionCollection +} // class BasicPermission |