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Merge JDK 1.4 java.security changes from classpath.

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* java/security/AccessControlException.java: Merge from Classpath.
       * java/security/AccessController.java: Likewise.
       * java/security/AllPermission.java: Likewise.
       * java/security/BasicPermission.java: Likewise.
       * java/security/Certificate.java: Likewise.
       * java/security/CodeSource.java: Likewise.
       * java/security/DigestException.java: Likewise.
       * java/security/DigestOutputStream.java: Likewise.
       * java/security/DomainCombiner.java: Likewise.
       * java/security/GeneralSecurityException.java: Likewise.
       * java/security/Guard.java: Likewise.
       * java/security/GuardedObject.java: Likewise.
       * java/security/InvalidAlgorithmParameterException.java: Likewise.
       * java/security/InvalidKeyException.java: Likewise.
       * java/security/InvalidParameterException.java: Likewise.
       * java/security/Key.java: Likewise.
       * java/security/KeyException.java: Likewise.
       * java/security/KeyManagementException.java: Likewise.
       * java/security/KeyStoreException.java: Likewise.
       * java/security/MessageDigest.java: Likewise.
       * java/security/NoSuchAlgorithmException.java: Likewise.
       * java/security/NoSuchProviderException.java: Likewise.
       * java/security/Permission.java: Likewise.
       * java/security/PermissionCollection.java: Likewise.
       * java/security/Permissions.java: Likewise.
       * java/security/Policy.java: Likewise.
       * java/security/Principal.java: Likewise.
       * java/security/PrivateKey.java: Likewise.
       * java/security/PrivilegedAction.java: Likewise.
       * java/security/PrivilegedActionException.java: Likewise.
       * java/security/PrivilegedExceptionAction.java: Likewise.
       * java/security/ProtectionDomain.java: Likewise.
       * java/security/ProviderException.java: Likewise.
       * java/security/PublicKey.java: Likewise.
       * java/security/SecureClassLoader.java: Likewise.
       * java/security/SecurityPermission.java: Likewise.
       * java/security/SignatureException.java: Likewise.
       * java/security/UnrecoverableKeyException.java: Likewise.
       * java/security/UnresolvedPermission.java: Likewise.
       * java/security/acl/AclNotFoundException.java: Likewise.
       * java/security/acl/LastOwnerException.java: Likewise.
       * java/security/acl/NotOwnerException.java: Likewise.
       * java/security/cert/CRLException.java: Likewise.
       * java/security/cert/CertificateEncodingException.java: Likewise.
       * java/security/cert/CertificateException.java: Likewise.
       * java/security/cert/CertificateExpiredException.java: Likewise.
       * java/security/cert/CertificateFactory.java: Likewise.
       * java/security/cert/CertificateNotYetValidException.java: Likewise.
       * java/security/cert/CertificateParsingException.java: Likewise.
       * java/security/spec/InvalidKeySpecException.java: Likewise.
       * java/security/spec/InvalidParameterSpecException.java: Likewise.

       * java/security/cert/CertPath.java: New file.
       * java/security/cert/CertPathBuilderException.java: New file.
       * java/security/cert/CertPathValidatorException.java: New file.
       * java/security/cert/CertStoreException.java: New file.

       * Makefile.am: Add new CertPath classes.
       * Makefile.in: Rebuilt.

       * gnu/java/util/EmptyEnumeration: New file from classpath.

From-SVN: r53837
This commit is contained in:
Bryce McKinlay 2002-05-24 11:57:40 +00:00 • committed by Bryce McKinlay
parent 4fbecd2944
commit d2f108e266
59 changed files with 2816 additions and 1371 deletions
Download patch file Download diff file Expand all files Collapse all files

130
libjava/java/security/Permission.java
View file

@ -1,5 +1,5 @@
/* Permission.java -- The superclass for all permission objects
Copyright (C) 1998, 2001 Free Software Foundation, Inc.
Copyright (C) 1998, 2001, 2002 Free Software Foundation, Inc.
This file is part of GNU Classpath.
@ -41,7 +41,7 @@ import java.io.Serializable;
/**
* This class is the abstract superclass of all classes that implement
* the concept of a permission. A permission consists of a permission name
* the concept of a permission. A permission consists of a permission name
* and optionally a list of actions that relate to the permission. The
* actual meaning of the name of the permission is defined only in the
* context of a subclass. It may name a resource to which access permissions
@ -51,115 +51,137 @@ import java.io.Serializable;
* actions associated with them. That is, you either have the permission
* or you don't.
*
* The most important method in this class is <code>implies</code>. This
* <p>The most important method in this class is <code>implies</code>. This
* checks whether if one has this permission, then the specified
* permission is also implied. As a conceptual example, consider the
* permissions "Read All Files" and "Read File foo". The permission
* "Read All Files" implies that the caller has permission to read the
* file foo.
*
* <code>Permission</code>'s are not dynamic objects. Once created, a
* <code>Permission</code>'s name and action list cannot be changed.
* <p><code>Permission</code>'s must be immutable - do not change their
* state after creation.
*
* @version 0.0
*
* @author Aaron M. Renn (arenn@urbanophile.com)
* @author Aaron M. Renn <arenn@urbanophile.com>
* @see Permissions
* @see PermissionCollection
* @since 1.1
* @status updated to 1.4
*/
public abstract class Permission implements Guard, Serializable
{
/**
* This is the name assigned to this permission object.
* Compatible with JDK 1.1+.
*/
private String name; // Taken from the serializable form information
private static final long serialVersionUID = -5636570222231596674L;
/**
* This method initializes a new instance of <code>Permission</code> to
* have the specified name.
* This is the name assigned to this permission object.
*
* @serial the name of the permission
*/
private String name;
/**
* Create an instance with the specified name.
*
* @param name the permission name
*/
public Permission(String name)
{
this.name = name;
}
/**
* This method returns the name of this <code>Permission</code>
*
* @return The name of this <code>Permission</code>
*/
public final String getName()
{
return (name);
}
/**
* This method returns the list of actions for this <code>Permission</code>
* as a <code>String</code>.
*
* @return The action list for this <code>Permission</code>.
*/
public abstract String getActions();
/**
* This method implements the <code>Guard</code> interface for this class.
* It calls the <code>checkPermission</code> method in
* It calls the <code>checkPermission</code> method in
* <code>SecurityManager</code> with this <code>Permission</code> as its
* argument. This method returns silently if the security check succeeds
* or throws an exception if it fails.
*
* @param obj The <code>Object</code> being guarded - ignored by this class
*
* @exception SecurityException If the security check fails
* @param obj the <code>Object</code> being guarded - ignored by this class
* @throws SecurityException if the security check fails
* @see GuardedObject
* @see SecurityManager#checkPermission(Permission)
*/
public void checkGuard(Object obj) throws SecurityException
public void checkGuard(Object obj)
{
SecurityManager sm = System.getSecurityManager();
if (sm != null)
sm.checkPermission(this);
}
/**
* Check to see if this object equals OBJ.
*/
public abstract boolean equals (Object obj);
/**
* This method tests whether this <code>Permission</code> implies that the
* specified <code>Permission</code> is also granted.
*
* @param perm The <code>Permission</code> to test against
*
* @return <code>true</code> if the specified <code>Permission</code> is implied by this one, <code>false</code> otherwise.
* @param perm the <code>Permission</code> to test against
* @return true if perm is implied by this
*/
public abstract boolean implies(Permission perm);
/**
* This method returns a hash code for this <code>Permission</code>.
* Check to see if this object equals obj. Use <code>implies</code>, rather
* than <code>equals</code>, when making access control decisions.
*
* @return A hash value.
* @param obj the object to compare to
*/
public abstract boolean equals(Object obj);
/**
* This method returns a hash code for this <code>Permission</code>. It
* must satisfy the contract of <code>Object.hashCode</code>: it must be
* the same for all objects that equals considers to be the same.
*
* @return a hash value
*/
public abstract int hashCode();
/**
* This method returns a <code>String</code> representation of this
* <code>Permission</code> object.
* Get the name of this <code>Permission</code>.
*
* @return This object as a <code>String</code>.
* @return the name
*/
public String toString()
public final String getName()
{
return ("'\"" + getClass().getName() + "\" \"" + getName() +
"\"" + " \"" + getActions() + "\")'");
return name;
}
/**
* This method returns the list of actions for this <code>Permission</code>
* as a <code>String</code>. The string should be in canonical order, for
* example, both <code>new FilePermission(f, "write,read")</code> and
* <code>new FilePermission(f, "read,write")</code> have the action list
* "read,write".
*
* @return the action list for this <code>Permission</code>
*/
public abstract String getActions();
/**
* This method returns an empty <code>PermissionCollection</code> object
* that can store permissions of this type, or <code>null</code> if no
* such collection is defined.
* such collection is defined. Subclasses must override this to provide
* an appropriate collection when one is needed to accurately calculate
* <code>implies</code>.
*
* @return A new <code>PermissionCollection</code>
* @return a new <code>PermissionCollection</code>
*/
public PermissionCollection newPermissionCollection()
{
return null;
}
}
/**
* This method returns a <code>String</code> representation of this
* <code>Permission</code> object. This is in the format:
* <code>'(' + getClass().getName() + ' ' + getName() + ' ' + getActions
* + ')'</code>.
*
* @return this object as a <code>String</code>
*/
public String toString()
{
return '(' + getClass().getName() + ' ' + getName() + ' '
+ getActions() + ')';
}
} // class Permission