22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package javax.xml.stream; 27 28 import java.security.*; 29 import java.io.*; 30 31 /** 32 * This class is duplicated for each JAXP subpackage so keep it in sync. 33 * It is package private and therefore is not exposed as part of the JAXP 34 * API. 35 * 36 * Security related methods that only work on J2SE 1.2 and newer. 37 */ 38 class SecuritySupport { 39 40 41 ClassLoader getContextClassLoader() throws SecurityException{ 42 return (ClassLoader) 43 AccessController.doPrivileged(new PrivilegedAction() { 44 public Object run() { 45 ClassLoader cl = null; 46 //try { 47 cl = Thread.currentThread().getContextClassLoader(); 48 //} catch (SecurityException ex) { } 49 50 if (cl == null) 51 cl = ClassLoader.getSystemClassLoader(); 52 53 return cl; 54 } 55 }); 56 } 57 58 String getSystemProperty(final String propName) { 59 return (String) 60 AccessController.doPrivileged(new PrivilegedAction() { 61 public Object run() { 62 return System.getProperty(propName); 63 } 64 }); 65 } 66 67 FileInputStream getFileInputStream(final File file) 68 throws FileNotFoundException 69 { 70 try { 71 return (FileInputStream) 72 AccessController.doPrivileged(new PrivilegedExceptionAction() { 73 public Object run() throws FileNotFoundException { 74 return new FileInputStream(file); 75 } 76 }); 77 } catch (PrivilegedActionException e) { 78 throw (FileNotFoundException)e.getException(); 79 } 80 } 81 82 boolean doesFileExist(final File f) { 83 return ((Boolean) 84 AccessController.doPrivileged(new PrivilegedAction() { 85 public Object run() { 86 return new Boolean(f.exists()); 87 } 88 })).booleanValue(); 89 } 90 91 } | 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package javax.xml.stream; 27 28 import java.security.*; 29 import java.io.*; 30 31 /** 32 * This class is duplicated for each JAXP subpackage so keep it in sync. 33 * It is package private and therefore is not exposed as part of the JAXP 34 * API. 35 * 36 * Security related methods that only work on J2SE 1.2 and newer. 37 */ 38 class SecuritySupport { 39 40 41 ClassLoader getContextClassLoader() throws SecurityException{ 42 return AccessController.doPrivileged((PrivilegedAction<ClassLoader>) () -> { 43 ClassLoader cl = Thread.currentThread().getContextClassLoader(); 44 45 if (cl == null) 46 cl = ClassLoader.getSystemClassLoader(); 47 48 return cl; 49 }); 50 } 51 52 String getSystemProperty(final String propName) { 53 return AccessController.doPrivileged((PrivilegedAction<String>) () -> 54 System.getProperty(propName)); 55 } 56 57 FileInputStream getFileInputStream(final File file) 58 throws FileNotFoundException 59 { 60 try { 61 return AccessController.doPrivileged((PrivilegedExceptionAction<FileInputStream>) () 62 -> new FileInputStream(file)); 63 } catch (PrivilegedActionException e) { 64 throw (FileNotFoundException)e.getException(); 65 } 66 } 67 68 boolean doesFileExist(final File f) { 69 return AccessController.doPrivileged((PrivilegedAction<Boolean>) () -> f.exists()); 70 } 71 72 } |