1 /*
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3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * This code is free software; you can redistribute it and/or modify it
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7  * published by the Free Software Foundation.  Oracle designates this
8  * particular file as subject to the "Classpath" exception as provided
9  * by Oracle in the LICENSE file that accompanied this code.
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11  * This code is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
16  *
17  * You should have received a copy of the GNU General Public License version
18  * 2 along with this work; if not, write to the Free Software Foundation,
19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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24  */
25 
26 package sun.security.provider;
27 
28 import java.security.CodeSource;
29 import java.security.Permission;
30 import java.security.PermissionCollection;
31 import java.security.Policy;
32 import java.security.PolicySpi;
33 import java.security.ProtectionDomain;
34 import java.security.URIParameter;
35 
36 import java.net.MalformedURLException;
37 
38 /**
39  * This class wraps the PolicyFile subclass implementation of Policy
40  * inside a PolicySpi implementation that is available from the SUN provider
41  * via the Policy.getInstance calls.
42  *
43  */
44 public final class PolicySpiFile extends PolicySpi {
45 
46     private PolicyFile pf;
47 
PolicySpiFile(Policy.Parameters params)48     public PolicySpiFile(Policy.Parameters params) {
49 
50         if (params == null) {
51             pf = new PolicyFile();
52         } else {
53             if (!(params instanceof URIParameter)) {
54                 throw new IllegalArgumentException
55                         ("Unrecognized policy parameter: " + params);
56             }
57             URIParameter uriParam = (URIParameter)params;
58             try {
59                 pf = new PolicyFile(uriParam.getURI().toURL());
60             } catch (MalformedURLException mue) {
61                 throw new IllegalArgumentException("Invalid URIParameter", mue);
62             }
63         }
64     }
65 
engineGetPermissions(CodeSource codesource)66     protected PermissionCollection engineGetPermissions(CodeSource codesource) {
67         return pf.getPermissions(codesource);
68     }
69 
engineGetPermissions(ProtectionDomain d)70     protected PermissionCollection engineGetPermissions(ProtectionDomain d) {
71         return pf.getPermissions(d);
72     }
73 
engineImplies(ProtectionDomain d, Permission p)74     protected boolean engineImplies(ProtectionDomain d, Permission p) {
75         return pf.implies(d, p);
76     }
77 
engineRefresh()78     protected void engineRefresh() {
79         pf.refresh();
80     }
81 }
82