1/*
2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
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
6 * under the terms of the GNU General Public License version 2 only, as
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.
10 *
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.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26package com.sun.org.apache.xalan.internal.utils;
27
28
29import com.sun.org.apache.xalan.internal.XalanConstants;
30import javax.xml.XMLConstants;
31
32/**
33 * This class manages security related properties
34 *
35 */
36public final class XMLSecurityPropertyManager extends FeaturePropertyBase {
37
38    /**
39     * Properties managed by the security property manager
40     */
41    public static enum Property {
42        ACCESS_EXTERNAL_DTD(XMLConstants.ACCESS_EXTERNAL_DTD,
43                XalanConstants.EXTERNAL_ACCESS_DEFAULT),
44        ACCESS_EXTERNAL_STYLESHEET(XMLConstants.ACCESS_EXTERNAL_STYLESHEET,
45                XalanConstants.EXTERNAL_ACCESS_DEFAULT);
46
47        final String name;
48        final String defaultValue;
49
50        Property(String name, String value) {
51            this.name = name;
52            this.defaultValue = value;
53        }
54
55        public boolean equalsName(String propertyName) {
56            return (propertyName == null) ? false : name.equals(propertyName);
57        }
58
59        String defaultValue() {
60            return defaultValue;
61        }
62    }
63
64
65    /**
66     * Default constructor. Establishes default values
67     */
68    public XMLSecurityPropertyManager() {
69        values = new String[Property.values().length];
70        for (Property property : Property.values()) {
71            values[property.ordinal()] = property.defaultValue();
72        }
73        //read system properties or jaxp.properties
74        readSystemProperties();
75    }
76
77    /**
78     * Get the index by property name
79     * @param propertyName property name
80     * @return the index of the property if found; return -1 if not
81     */
82    public int getIndex(String propertyName){
83        for (Property property : Property.values()) {
84            if (property.equalsName(propertyName)) {
85                //internally, ordinal is used as index
86                return property.ordinal();
87            }
88        }
89        return -1;
90    }
91
92    /**
93     * Read from system properties, or those in jaxp.properties
94     */
95    private void readSystemProperties() {
96        getSystemProperty(Property.ACCESS_EXTERNAL_DTD,
97                XalanConstants.SP_ACCESS_EXTERNAL_DTD);
98        getSystemProperty(Property.ACCESS_EXTERNAL_STYLESHEET,
99                XalanConstants.SP_ACCESS_EXTERNAL_STYLESHEET);
100    }
101
102}
103