|
1
55
56 package com.sun.org.apache.xml.internal.serialize;
57
58 import java.security.*;
59 import java.io.*;
60
61
68 class SecuritySupport12 extends SecuritySupport {
69
70 ClassLoader  getContextClassLoader() {
71 return (ClassLoader )
72 AccessController.doPrivileged(new PrivilegedAction() {
73 public Object run() {
74 ClassLoader cl = null;
75 try {
76 cl = Thread.currentThread().getContextClassLoader();
77 } catch (SecurityException ex) { }
78 return cl;
79 }
80 });
81 }
82
83 ClassLoader getSystemClassLoader() {
84 return (ClassLoader )
85 AccessController.doPrivileged(new PrivilegedAction() {
86 public Object run() {
87 ClassLoader cl = null;
88 try {
89 cl = ClassLoader.getSystemClassLoader();
90 } catch (SecurityException ex) {}
91 return cl;
92 }
93 });
94 }
95
96 ClassLoader getParentClassLoader(final ClassLoader cl) {
97 return (ClassLoader )
98 AccessController.doPrivileged(new PrivilegedAction() {
99 public Object run() {
100 ClassLoader parent = null;
101 try {
102 parent = cl.getParent();
103 } catch (SecurityException ex) {}
104
105 return (parent == cl) ? null : parent;
108 }
109 });
110 }
111
112 String getSystemProperty(final String propName) {
113 return (String )
114 AccessController.doPrivileged(new PrivilegedAction() {
115 public Object run() {
116 return System.getProperty(propName);
117 }
118 });
119 }
120
121 FileInputStream getFileInputStream(final File file)
122 throws FileNotFoundException
123 {
124 try {
125 return (FileInputStream)
126 AccessController.doPrivileged(new PrivilegedExceptionAction() {
127 public Object run() throws FileNotFoundException {
128 return new FileInputStream(file);
129 }
130 });
131 } catch (PrivilegedActionException e) {
132 throw (FileNotFoundException)e.getException();
133 }
134 }
135
136 InputStream getResourceAsStream(final ClassLoader cl,
137 final String name)
138 {
139 return (InputStream)
140 AccessController.doPrivileged(new PrivilegedAction() {
141 public Object run() {
142 InputStream ris;
143 if (cl == null) {
144 ris = ClassLoader.getSystemResourceAsStream(name);
145 } else {
146 ris = cl.getResourceAsStream(name);
147 }
148 return ris;
149 }
150 });
151 }
152
153 boolean getFileExists(final File f) {
154 return ((Boolean )
155 AccessController.doPrivileged(new PrivilegedAction() {
156 public Object run() {
157 return new Boolean (f.exists());
158 }
159 })).booleanValue();
160 }
161
162 long getLastModified(final File f) {
163 return ((Long )
164 AccessController.doPrivileged(new PrivilegedAction() {
165 public Object run() {
166 return new Long (f.lastModified());
167 }
168 })).longValue();
169 }
170
171 }
172 |
Popular Tags |
Java API By Example, From Geeks To Geeks.