/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @author Aleksei Y. Semenov
*/
package org.apache.harmony.security;
import java.security.Identity;
import java.security.IdentityScope;
import java.security.KeyManagementException;
import java.security.PublicKey;
import java.util.Enumeration;
import java.util.Hashtable;
import org.apache.harmony.security.internal.nls.Messages;
/**
* @see java.security.IdentityScope
*/
public class SystemScope extends IdentityScope {
/**
* @serial
*/
private static final long serialVersionUID = -4810285697932522607L;
// Identities hash: key is the identity name
private Hashtable names = new Hashtable();
// Identities hash: key is the public key
private Hashtable keys = new Hashtable();
/**
* @see java.security.IdentityScope#IdentityScope()
*/
public SystemScope() {
super();
}
/**
* @see java.security.IdentityScope#IdentityScope(String)
*/
public SystemScope(String name) {
super(name);
}
/**
* @see java.security.IdentityScope#IdentityScope(String, IdentityScope)
*/
public SystemScope(String name, IdentityScope scope)
throws KeyManagementException {
super(name, scope);
}
/**
* @see java.security.IdentityScope#size()
*/
public int size() {
return names.size();
}
/**
* @see java.security.IdentityScope#getIdentity(java.lang.String)
*/
public synchronized Identity getIdentity(String name) {
if (name == null) {
throw new NullPointerException();
}
return (Identity) names.get(name);
}
/**
* @see java.security.IdentityScope#getIdentity(java.security.PublicKey)
*/
public synchronized Identity getIdentity(PublicKey key) {
if (key == null) {
return null;
}
return (Identity) keys.get(key);
}
/**
* @see java.security.IdentityScope#addIdentity(java.security.Identity)
*/
public synchronized void addIdentity(Identity identity)
throws KeyManagementException {
if (identity == null) {
throw new NullPointerException(Messages.getString("security.92")); //$NON-NLS-1$
}
String name = identity.getName();
if (names.containsKey(name)) {
throw new KeyManagementException(Messages.getString("security.93", name)); //$NON-NLS-1$
}
PublicKey key = identity.getPublicKey();
if (key != null && keys.containsKey(key)) {
throw new KeyManagementException(Messages.getString("security.94", key)); //$NON-NLS-1$
}
names.put(name, identity);
if (key != null) {
keys.put(key, identity);
}
}
/**
* @see java.security.IdentityScope#removeIdentity(java.security.Identity)
*/
public synchronized void removeIdentity(Identity identity)
throws KeyManagementException {
//Exception caught = null;
if (identity == null) {
throw new NullPointerException(Messages.getString("security.92")); //$NON-NLS-1$
}
String name = identity.getName();
if (name == null) {
throw new NullPointerException(Messages.getString("security.95")); //$NON-NLS-1$
}
boolean contains = names.containsKey(name);
names.remove(name);
PublicKey key = identity.getPublicKey();
if (key != null) {
contains = contains || keys.containsKey(key);
keys.remove(key);
}
if (!contains) {
throw new KeyManagementException(Messages.getString("security.96")); //$NON-NLS-1$
}
}
/**
* @see java.security.IdentityScope#identities()
*/
public Enumeration identities() {
return names.elements();
}
}