1 files changed, 152 insertions, 0 deletions
diff --git a/src/share/classes/com/sun/org/apache/xerces/internal/parsers/SecuritySupport.java b/src/share/classes/com/sun/org/apache/xerces/internal/parsers/SecuritySupport.java
new file mode 100644
index 0000000..e814810
--- /dev/null
+++ b/src/share/classes/com/sun/org/apache/xerces/internal/parsers/SecuritySupport.java
@@ -0,0 +1,152 @@
+/*
+ * reserved comment block
+ * DO NOT REMOVE OR ALTER!
+ */
+/*
+ * Copyright 2002,2004 The Apache Software Foundation.
+ *
+ * Licensed 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.
+ */
+
+package com.sun.org.apache.xerces.internal.parsers;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.InputStream;
+
+import java.security.AccessController;
+import java.security.PrivilegedAction;
+import java.security.PrivilegedActionException;
+import java.security.PrivilegedExceptionAction;
+
+/**
+ * This class is duplicated for each subpackage so keep it in sync.
+ * It is package private and therefore is not exposed as part of any API.
+ *
+ * @xerces.internal
+ */
+final class SecuritySupport {
+
+    private static final SecuritySupport securitySupport = new SecuritySupport();
+
+    /**
+     * Return an instance of this class.
+     */
+    static SecuritySupport getInstance() {
+        return securitySupport;
+    }
+
+    ClassLoader getContextClassLoader() {
+        return (ClassLoader)
+        AccessController.doPrivileged(new PrivilegedAction() {
+            public Object run() {
+                ClassLoader cl = null;
+                try {
+                    cl = Thread.currentThread().getContextClassLoader();
+                } catch (SecurityException ex) { }
+                return cl;
+            }
+        });
+    }
+
+    ClassLoader getSystemClassLoader() {
+        return (ClassLoader)
+        AccessController.doPrivileged(new PrivilegedAction() {
+            public Object run() {
+                ClassLoader cl = null;
+                try {
+                    cl = ClassLoader.getSystemClassLoader();
+                } catch (SecurityException ex) {}
+                return cl;
+            }
+        });
+    }
+
+    ClassLoader getParentClassLoader(final ClassLoader cl) {
+        return (ClassLoader)
+        AccessController.doPrivileged(new PrivilegedAction() {
+            public Object run() {
+                ClassLoader parent = null;
+                try {
+                    parent = cl.getParent();
+                } catch (SecurityException ex) {}
+
+                // eliminate loops in case of the boot
+                // ClassLoader returning itself as a parent
+                return (parent == cl) ? null : parent;
+            }
+        });
+    }
+
+    String getSystemProperty(final String propName) {
+        return (String)
+        AccessController.doPrivileged(new PrivilegedAction() {
+            public Object run() {
+                return System.getProperty(propName);
+            }
+        });
+    }
+
+    FileInputStream getFileInputStream(final File file)
+    throws FileNotFoundException
+    {
+        try {
+            return (FileInputStream)
+            AccessController.doPrivileged(new PrivilegedExceptionAction() {
+                public Object run() throws FileNotFoundException {
+                    return new FileInputStream(file);
+                }
+            });
+        } catch (PrivilegedActionException e) {
+            throw (FileNotFoundException)e.getException();
+        }
+    }
+
+    InputStream getResourceAsStream(final ClassLoader cl,
+            final String name)
+    {
+        return (InputStream)
+        AccessController.doPrivileged(new PrivilegedAction() {
+            public Object run() {
+                InputStream ris;
+                if (cl == null) {
+                    ris = ClassLoader.getSystemResourceAsStream(name);
+                } else {
+                    ris = cl.getResourceAsStream(name);
+                }
+                return ris;
+            }
+        });
+    }
+
+    boolean getFileExists(final File f) {
+        return ((Boolean)
+                AccessController.doPrivileged(new PrivilegedAction() {
+                    public Object run() {
+                        return new Boolean(f.exists());
+                    }
+                })).booleanValue();
+    }
+
+    long getLastModified(final File f) {
+        return ((Long)
+                AccessController.doPrivileged(new PrivilegedAction() {
+                    public Object run() {
+                        return new Long(f.lastModified());
+                    }
+                })).longValue();
+    }
+
+    private SecuritySupport () {}
+}