| /* |
| * Copyright (c) 1998, 2016, 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. |
| * |
| * 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. |
| */ |
| |
| /* |
| * @test |
| * @bug 4190873 7054918 8130181 |
| * @library ../testlibrary |
| * @summary Make sure provider instance can be removed from list of registered |
| * providers, and "entrySet", "keySet", and "values" methods don't loop |
| * indefinitely. |
| */ |
| import java.security.*; |
| import java.util.*; |
| |
| public class RemoveProvider { |
| |
| public static void main(String[] args) throws Exception { |
| ProvidersSnapshot snapshot = ProvidersSnapshot.create(); |
| try { |
| main0(args); |
| } finally { |
| snapshot.restore(); |
| } |
| } |
| |
| public static void main0(String[] args) throws Exception { |
| |
| // Add provider 1 |
| Provider p1 = new MyProvider("name1","1",""); |
| Security.addProvider(p1); |
| |
| // Add provider 2 |
| Provider p2 = new MyProvider("name2","1",""); |
| Security.addProvider(p2); |
| |
| // List all providers |
| System.out.println("// List all providers"); |
| Provider[] provs = Security.getProviders(); |
| for (int i=0; i<provs.length; i++) |
| System.out.println(provs[i].toString()); |
| |
| // Remove one provider and list all remaining providers |
| System.out.println(""); |
| System.out.println("// Remove one provider"); |
| Security.removeProvider("name1"); |
| provs = Security.getProviders(); |
| for (int i=0; i<provs.length; i++) |
| System.out.println(provs[i].toString()); |
| |
| // Iterate over the entrySet |
| System.out.println(""); |
| System.out.println("// Iterate over entrySet"); |
| Map.Entry me = null; |
| Set es = p1.entrySet(); |
| Iterator i = es.iterator(); |
| while (i.hasNext()) { |
| me = (Map.Entry)i.next(); |
| System.out.println("Key: " + (String)me.getKey()); |
| System.out.println("Value: " + (String)me.getValue()); |
| } |
| // Try to modify the backing Map, and catch the expected exception |
| try { |
| me.setValue("name1.mac"); |
| throw new Exception("Expected exception not thrown"); |
| } catch (UnsupportedOperationException uoe) { |
| System.out.println("Expected exception caught"); |
| } |
| |
| // Iterate over the keySet, and try to remove one (should fail) |
| System.out.println(""); |
| System.out.println("// Iterate over keySet"); |
| Object o = null; |
| Set ks = p1.keySet(); |
| i = ks.iterator(); |
| while (i.hasNext()) { |
| o = i.next(); |
| System.out.println((String)o); |
| } |
| try { |
| ks.remove(o); |
| throw new Exception("Expected exception not thrown"); |
| } catch (UnsupportedOperationException uoe) { |
| } |
| |
| // Iterate over the map values |
| System.out.println(""); |
| System.out.println("// Iterate over values"); |
| Collection c = p1.values(); |
| i = c.iterator(); |
| while (i.hasNext()) { |
| System.out.println((String)i.next()); |
| } |
| |
| // Modify provider and make sure changes are reflected in |
| // existing entrySet (i.e., make sure entrySet is "live"). |
| // First, add entry to provider. |
| System.out.println(""); |
| System.out.println("// Add 'Cipher' entry to provider"); |
| p1.put("Cipher", "name1.des"); |
| // entrySet |
| i = es.iterator(); |
| boolean found = false; |
| while (i.hasNext()) { |
| me = (Map.Entry)i.next(); |
| System.out.println("Key: " + (String)me.getKey()); |
| System.out.println("Value: " + (String)me.getValue()); |
| if (((String)me.getKey()).equals("Cipher")) |
| found = true; |
| } |
| if (!found) |
| throw new Exception("EntrySet not live"); |
| // keySet |
| i = ks.iterator(); |
| while (i.hasNext()) { |
| o = i.next(); |
| System.out.println((String)o); |
| } |
| // collection |
| i = c.iterator(); |
| while (i.hasNext()) { |
| System.out.println((String)i.next()); |
| } |
| |
| // Remove entry from provider |
| System.out.println(""); |
| System.out.println("// Remove 'Digest' entry from provider"); |
| p1.remove("Digest"); |
| // entrySet |
| i = es.iterator(); |
| while (i.hasNext()) { |
| me = (Map.Entry)i.next(); |
| System.out.println("Key: " + (String)me.getKey()); |
| System.out.println("Value: " + (String)me.getValue()); |
| } |
| // keySet |
| i = ks.iterator(); |
| while (i.hasNext()) { |
| o = i.next(); |
| System.out.println((String)o); |
| } |
| // collection |
| i = c.iterator(); |
| while (i.hasNext()) { |
| System.out.println((String)i.next()); |
| } |
| |
| // Retrieve new entrySet and make sure the backing Map cannot be |
| // mofified |
| es = p1.entrySet(); |
| i = es.iterator(); |
| while (i.hasNext()) { |
| me = (Map.Entry)i.next(); |
| System.out.println("Key: " + (String)me.getKey()); |
| System.out.println("Value: " + (String)me.getValue()); |
| } |
| try { |
| me.setValue("name1.mac"); |
| throw new Exception("Expected exception not thrown"); |
| } catch (UnsupportedOperationException uoe) { |
| System.out.println("Expected exception caught"); |
| } |
| } |
| } |
| |
| class MyProvider extends Provider { |
| public MyProvider(String name, String version, String info) { |
| super(name, version, info); |
| put("Signature", name+".signature"); |
| put("Digest", name+".digest"); |
| } |
| } |