Java Doc for J2DoPrivHelper.java in  » Database-ORM » openjpa » org » apache » openjpa » lib » util » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database ORM » openjpa » org.apache.openjpa.lib.util   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.apache.openjpa.lib.util.J2DoPrivHelper All known Subclasses:   org.apache.openjpa.lib.util.J2DoPriv5Helper, J2DoPrivHelper abstract public class J2DoPrivHelper (Code) Helper class to obtain the Privilege(Exception)Action object to perform Java 2 doPrivilege security sensitive function call in the following methods: AccessibleObject.setAccessible Class.forName Class.getClassLoader Class.getDeclaredField Class.getDeclaredFields Class.getDeclaredMethod Class.getDeclaredMethods Class.getResource Class.newInstance ClassLoader.getParent ClassLoader.getResource ClassLoader.getResources ClassLoader.getSystemClassLoader File.delete File.exists File.getAbsoluteFile File.getAbsolutePath File.getCanonicalPath File.listFiles File.length File.isDirectory File.mkdirs File.renameTo File.toURL FileInputStream new FileOutputStream new System.getProperties InetAddress.getByName MultiClassLoader new ServerSocket new Socket new Socket.accept System.getProperty Thread.getContextClassLoader Thread new TemporaryClassLoader new URL.openStream URLConnection.getContent ZipFile new serp.bytecode.Code new serp.bytecode.BCClassLoader new serp.bytecode.BCClass.write serp.bytecode.BCClass.getFields serp.bytecode.FieldInstruction.getField serp.bytecode.Project.loadClass If these methods are used, the following sample usage patterns should be followed to ensure proper privilege is granted: 1) No security risk method call. E.g. private static final String SEP = J2DoPrivHelper.getLineSeparator(); 2) Methods with no exception thrown. PrivilegedAction is returned from J2DoPrivHelper.*Action(). E.g. ClassLoader loader = (ClassLoader) AccessController.doPrivileged( J2DoPrivHelper.getClassLoaderAction(clazz)); ClassLoader loader = (ClassLoader) (System.getSecurityManager() == null) ? clazz.getClassLoader() : AccessController.doPrivileged( J2DoPrivHelper.getClassLoaderAction(clazz)); 3) Methods with exception thrown. PrivilegedExceptionAction is returned from J2DoPrivHelper.*Action(). E.g. try { method = (Method) AccessController.doPrivileged( J2DoPrivHelper.getDeclaredMethodAction(clazz, name, parameterType)); } catch (PrivilegedActionException pae) { throw (NoSuchMethodException) pae.getException(); } try { method = (System.getSecurityManager() == null) ? clazz.getDeclaredMethod(name,parameterType) : (Method) AccessController.doPrivileged( J2DoPrivHelper.getDeclaredMethodAction( clazz, name, parameterType)); } catch (PrivilegedActionException pae) { throw (NoSuchMethodException) pae.getException() } author:    Albert Lee Method Summary final public static  PrivilegedExceptionAction acceptAction(ServerSocket ss)      Return a PrivilegedExceptionAction object for ServerSocket.accept(). final public static  PrivilegedExceptionAction bCClassWrite(BCClass bc, File f)      Return a PrivilegedExceptionAction object for BCClass.write(). final public static  PrivilegedAction deleteAction(File f)      Return a PrivilegeAction object for f.delete(). final public static  PrivilegedAction existsAction(File f)      Return a PrivilegeAction object for f.exists(). final public static  PrivilegedAction getAbsoluteFileAction(File f)      Return a PrivilegeAction object for f.getAbsoluteFile(). final public static  PrivilegedAction getAbsolutePathAction(File f)      Return a PrivilegeAction object for f.getAbsolutePath(). final public static  PrivilegedAction getBCClassFieldsAction(BCClass bcClass, String fieldName)      Return a PrivilegeAction object for BCClass.getFields(). final public static  PrivilegedExceptionAction getByNameAction(String hostname)      Return a PrivilegedExceptionAction object for InetAdress.getByName(). final public static  PrivilegedExceptionAction getCanonicalPathAction(File f)      Return a PrivilegedExceptionAction object for f.getCanonicalPath(). final public static  PrivilegedAction getClassLoaderAction(Class clazz)      Return a PrivilegeAction object for clazz.getClassloader(). Notes: No doPrivilege wrapping is required in the caller if: "the caller's class loader is not null and the caller's class loader is not the same as or an ancestor of the class loader for the class whose class loader is requested". final public static  PrivilegedExceptionAction getContentAction(URLConnection con)      Return a PrivilegedExceptionAction object con.getContent(). final public static  PrivilegedAction getContextClassLoaderAction()      Return a PrivilegeAction object for Thread.currentThread .getContextClassLoader(). final public static  PrivilegedExceptionAction getDeclaredFieldAction(Class clazz, String name)      Return a PrivilegedExceptionAction object for clazz.getDeclaredField(). final public static  PrivilegedAction getDeclaredFieldsAction(Class clazz)      Return a PrivilegeAction object for class.getDeclaredFields(). final public static  PrivilegedExceptionAction getDeclaredMethodAction(Class clazz, String name, Class[] parameterTypes)      Return a PrivilegedExceptionAction object for clazz.getDeclaredMethod(). final public static  PrivilegedAction getDeclaredMethodsAction(Class clazz)      Return a PrivilegeAction object for clazz.getDeclaredMethods(). final public static  PrivilegedAction getFieldInstructionFieldAction(FieldInstruction instruction)      Return a PrivilegeAction object for FieldInstruction.getField(). final public static  PrivilegedExceptionAction getForNameAction(String className, boolean initializeBoolean, ClassLoader classLoader)      Return a PrivilegeAction object for Class.forName(). Notes: doPriv of Class.forName call is required only if the input classloader argument is null. final public static  String getLineSeparator()      Return the value of the "line.separator" system property. final public static  PrivilegedAction getParentAction(ClassLoader loader)      Return a PrivilegeAction object for loader.getParent(). final public static  String getPathSeparator()      Return the value of the "path.separator" system property. final public static  PrivilegedAction getPropertiesAction()      Return a PrivilegeAction object for System.getProperties(). final public static  PrivilegedAction getPropertyAction(String name)      Return a PrivilegeAction object for System.getProperty(). final public static  PrivilegedAction getResourceAction(Class clazz, String resource)      Return a PrivilegeAction object for clazz.getResource(). final public static  PrivilegedAction getResourceAction(ClassLoader loader, String resource)      Return a PrivilegeAction object for loader.getResource(). final public static  PrivilegedExceptionAction getResourcesAction(ClassLoader loader, String resource)      Return a PrivilegedExceptionAction object for loader.getResources(). final public static  PrivilegedAction getSystemClassLoaderAction()      Return a PrivilegeAction object for ClassLoader.getSystemClassLoader(). final public static  PrivilegedAction isDirectoryAction(File f)      Return a PrivilegeAction object for f.isDirectory(). final public static  PrivilegedAction isFileAction(File f)      Return a PrivilegeAction object for f.isFile(). final public static  PrivilegedAction lengthAction(File f)      Return a PrivilegeAction object for f.length(). final public static  PrivilegedAction listFilesAction(File f)      Return a PrivilegeAction object for f.listFiles(). final public static  PrivilegedAction loadProjectClassAction(Project project, Class clazz)      Return a PrivilegeAction object for Project.loadClass(). final public static  PrivilegedAction loadProjectClassAction(Project project, String clazzName)      Return a PrivilegeAction object for Project.loadClass(). final public static  PrivilegedAction mkdirsAction(File f)      Return a PrivilegeAction object for f.mkdirs(). final public static  PrivilegedAction newBCClassLoaderAction(Project project, ClassLoader parent)      Return a PrivilegeAction object for new BCClassLoader(). final public static  PrivilegedAction newBCClassLoaderAction(Project project)      final public static  PrivilegedAction newCodeAction()      Return a PrivilegeAction object for new serp.bytecode.Code(). final public static  PrivilegedAction newDaemonThreadAction(Runnable target, String name)      Return a PrivilegedAction object for new Thread(). final public static  PrivilegedExceptionAction newFileInputStreamAction(File f)      Return a PrivilegedExceptionAction object for new FileInputStream(). final public static  PrivilegedExceptionAction newFileOutputStreamAction(File f)      Return a PrivilegedExceptionAction object for new FileOutputStream(). final public static  PrivilegedExceptionAction newFileOutputStreamAction(String f, boolean append)      Return a PrivilegedExceptionAction object for new FileOutputStream(). final public static  PrivilegedExceptionAction newInstanceAction(Class clazz)      Return a PrivilegedExceptionAction object for clazz.newInstance(). final public static  PrivilegedAction newMultiClassLoaderAction()      Return a PrivilegeAction object for new MultiClassLoader(). final public static  PrivilegedExceptionAction newServerSocketAction(int port)      Return a PrivilegedExceptionAction object for new ServerSocket(). final public static  PrivilegedExceptionAction newSocketAction(InetAddress host, int port)      Return a PrivilegedExceptionAction object for new Socket(). final public static  PrivilegedAction newTemporaryClassLoaderAction(ClassLoader parent)      Return a PrivilegeAction object for new TemporaryClassLoader(). final public static  PrivilegedExceptionAction newZipFileAction(File f)      Return a PrivilegedExceptionAction object for new ZipFile(). final public static  PrivilegedExceptionAction openStreamAction(URL url)      Return a PrivilegedExceptionAction object for url.openStream(). final public static  PrivilegedAction renameToAction(File from, File to)      Return a PrivilegeAction object for f.renameTo(). final public static  PrivilegedAction setAccessibleAction(AccessibleObject aObj, boolean flag)      Return a PrivilegeAction object for aObj.setAccessible(). final public static  PrivilegedExceptionAction toURLAction(File file)      Return a PrivilegedExceptionAction object for f.toURL(). Method Detail acceptAction final public static PrivilegedExceptionAction acceptAction(ServerSocket ss) throws IOException(Code) Return a PrivilegedExceptionAction object for ServerSocket.accept(). Requires security policy: 'permission java.net.SocketPermission "listen";' Socket throws:   IOException - bCClassWrite final public static PrivilegedExceptionAction bCClassWrite(BCClass bc, File f) throws IOException(Code) Return a PrivilegedExceptionAction object for BCClass.write(). Requires security policy: 'permission java.io.FilePermission "write";' File throws:   IOException - deleteAction final public static PrivilegedAction deleteAction(File f)(Code) Return a PrivilegeAction object for f.delete(). Requires security policy: 'permission java.io.FilePermission "delete";' Boolean existsAction final public static PrivilegedAction existsAction(File f)(Code) Return a PrivilegeAction object for f.exists(). Requires security policy: 'permission java.io.FilePermission "read";' Boolean getAbsoluteFileAction final public static PrivilegedAction getAbsoluteFileAction(File f)(Code) Return a PrivilegeAction object for f.getAbsoluteFile(). Requires security policy: 'permission java.util.PropertyPermission "read";' File getAbsolutePathAction final public static PrivilegedAction getAbsolutePathAction(File f)(Code) Return a PrivilegeAction object for f.getAbsolutePath(). Requires security policy: 'permission java.util.PropertyPermission "read";' String getBCClassFieldsAction final public static PrivilegedAction getBCClassFieldsAction(BCClass bcClass, String fieldName)(Code) Return a PrivilegeAction object for BCClass.getFields(). Requires security policy: 'permission java.lang.RuntimePermission "getClassLoader";' BCField getByNameAction final public static PrivilegedExceptionAction getByNameAction(String hostname) throws UnknownHostException(Code) Return a PrivilegedExceptionAction object for InetAdress.getByName(). Requires security policy: 'permission java.net.SocketPermission "connect";' InetAddress throws:   UnknownHostException - getCanonicalPathAction final public static PrivilegedExceptionAction getCanonicalPathAction(File f) throws IOException(Code) Return a PrivilegedExceptionAction object for f.getCanonicalPath(). Requires security policy: 'permission java.util.PropertyPermission "read";' String exception:   IOException - getClassLoaderAction final public static PrivilegedAction getClassLoaderAction(Class clazz)(Code) Return a PrivilegeAction object for clazz.getClassloader(). Notes: No doPrivilege wrapping is required in the caller if: "the caller's class loader is not null and the caller's class loader is not the same as or an ancestor of the class loader for the class whose class loader is requested". E.g. this.getClass().getClassLoader(); Requires security policy: 'permission java.lang.RuntimePermission "getClassLoader";' Classloader getContentAction final public static PrivilegedExceptionAction getContentAction(URLConnection con) throws IOException(Code) Return a PrivilegedExceptionAction object con.getContent(). Requires security policy: 'permission java.io.FilePermission "read";' Object throws:   IOException - getContextClassLoaderAction final public static PrivilegedAction getContextClassLoaderAction()(Code) Return a PrivilegeAction object for Thread.currentThread .getContextClassLoader(). Requires security policy: 'permission java.lang.RuntimePermission "getClassLoader";' ClassLoader getDeclaredFieldAction final public static PrivilegedExceptionAction getDeclaredFieldAction(Class clazz, String name)(Code) Return a PrivilegedExceptionAction object for clazz.getDeclaredField(). Requires security policy: 'permission java.lang.RuntimePermission "accessDeclaredMembers";' Field exception:   NoSuchFieldException - getDeclaredFieldsAction final public static PrivilegedAction getDeclaredFieldsAction(Class clazz)(Code) Return a PrivilegeAction object for class.getDeclaredFields(). Requires security policy: 'permission java.lang.RuntimePermission "accessDeclaredMembers";' Field[] getDeclaredMethodAction final public static PrivilegedExceptionAction getDeclaredMethodAction(Class clazz, String name, Class[] parameterTypes)(Code) Return a PrivilegedExceptionAction object for clazz.getDeclaredMethod(). Requires security policy 'permission java.lang.RuntimePermission "accessDeclaredMembers";' Method exception:   NoSuchMethodException - getDeclaredMethodsAction final public static PrivilegedAction getDeclaredMethodsAction(Class clazz)(Code) Return a PrivilegeAction object for clazz.getDeclaredMethods(). Requires security policy: 'permission java.lang.RuntimePermission "accessDeclaredMembers";' Method[] getFieldInstructionFieldAction final public static PrivilegedAction getFieldInstructionFieldAction(FieldInstruction instruction)(Code) Return a PrivilegeAction object for FieldInstruction.getField(). Requires security policy: 'permission java.lang.RuntimePermission "getClassLoader";' BCField getForNameAction final public static PrivilegedExceptionAction getForNameAction(String className, boolean initializeBoolean, ClassLoader classLoader)(Code) Return a PrivilegeAction object for Class.forName(). Notes: doPriv of Class.forName call is required only if the input classloader argument is null. E.g. Class.forName("x", false, Collection.class.getClassLoader()); Requires security policy: 'permission java.lang.RuntimePermission "getClassLoader";' Classloader getLineSeparator final public static String getLineSeparator()(Code) Return the value of the "line.separator" system property. Requires security policy: 'permission java.util.PropertyPermission "read";' getParentAction final public static PrivilegedAction getParentAction(ClassLoader loader)(Code) Return a PrivilegeAction object for loader.getParent(). Requires security policy: 'permission java.lang.RuntimePermission "getClassLoader";' ClassLoader getPathSeparator final public static String getPathSeparator()(Code) Return the value of the "path.separator" system property. Requires security policy: 'permission java.util.PropertyPermission "read";' getPropertiesAction final public static PrivilegedAction getPropertiesAction()(Code) Return a PrivilegeAction object for System.getProperties(). Requires security policy: 'permission java.util.PropertyPermission "read";' Properties getPropertyAction final public static PrivilegedAction getPropertyAction(String name)(Code) Return a PrivilegeAction object for System.getProperty(). Requires security policy: 'permission java.util.PropertyPermission "read";' String getResourceAction final public static PrivilegedAction getResourceAction(Class clazz, String resource)(Code) Return a PrivilegeAction object for clazz.getResource(). Requires security policy: 'permission java.io.FilePermission "read";' URL getResourceAction final public static PrivilegedAction getResourceAction(ClassLoader loader, String resource)(Code) Return a PrivilegeAction object for loader.getResource(). Requires security policy: 'permission java.io.FilePermission "read";' URL getResourcesAction final public static PrivilegedExceptionAction getResourcesAction(ClassLoader loader, String resource) throws IOException(Code) Return a PrivilegedExceptionAction object for loader.getResources(). Requires security policy: 'permission java.io.FilePermission "read";' Enumeration exception:   IOException - getSystemClassLoaderAction final public static PrivilegedAction getSystemClassLoaderAction()(Code) Return a PrivilegeAction object for ClassLoader.getSystemClassLoader(). Requires security policy: 'permission java.lang.RuntimePermission "getClassLoader";' ClassLoader isDirectoryAction final public static PrivilegedAction isDirectoryAction(File f)(Code) Return a PrivilegeAction object for f.isDirectory(). Requires security policy: 'permission java.io.FilePermission "read";' Boolean isFileAction final public static PrivilegedAction isFileAction(File f)(Code) Return a PrivilegeAction object for f.isFile(). Requires security policy: 'permission java.io.FilePermission "read";' Boolean lengthAction final public static PrivilegedAction lengthAction(File f)(Code) Return a PrivilegeAction object for f.length(). Requires security policy: 'permission java.io.FilePermission "read";' Long listFilesAction final public static PrivilegedAction listFilesAction(File f)(Code) Return a PrivilegeAction object for f.listFiles(). Requires security policy: 'permission java.io.FilePermission "read";' File[] loadProjectClassAction final public static PrivilegedAction loadProjectClassAction(Project project, Class clazz)(Code) Return a PrivilegeAction object for Project.loadClass(). Requires security policy: 'permission java.lang.RuntimePermission "createClassLoader";' BCClass loadProjectClassAction final public static PrivilegedAction loadProjectClassAction(Project project, String clazzName)(Code) Return a PrivilegeAction object for Project.loadClass(). Requires security policy: 'permission java.lang.RuntimePermission "getClassLoader";' BCClass mkdirsAction final public static PrivilegedAction mkdirsAction(File f)(Code) Return a PrivilegeAction object for f.mkdirs(). Requires security policy: 'permission java.io.FilePermission "write";' Boolean newBCClassLoaderAction final public static PrivilegedAction newBCClassLoaderAction(Project project, ClassLoader parent)(Code) Return a PrivilegeAction object for new BCClassLoader(). Requires security policy: 'permission java.lang.RuntimePermission "createClassLoader";' BCClassLoader newBCClassLoaderAction final public static PrivilegedAction newBCClassLoaderAction(Project project)(Code) newCodeAction final public static PrivilegedAction newCodeAction()(Code) Return a PrivilegeAction object for new serp.bytecode.Code(). Requires security policy: 'permission java.lang.RuntimePermission "getClassLoader";' serp.bytecode.Code newDaemonThreadAction final public static PrivilegedAction newDaemonThreadAction(Runnable target, String name)(Code) Return a PrivilegedAction object for new Thread(). Requires security policy: 'permission java.lang.RuntimePermission "modifyThreadGroup";' 'permission java.lang.RuntimePermission "modifyThread";' Thread newFileInputStreamAction final public static PrivilegedExceptionAction newFileInputStreamAction(File f) throws FileNotFoundException(Code) Return a PrivilegedExceptionAction object for new FileInputStream(). Requires security policy: 'permission java.io.FilePermission "read";' FileInputStream throws:   FileNotFoundException - newFileOutputStreamAction final public static PrivilegedExceptionAction newFileOutputStreamAction(File f) throws FileNotFoundException(Code) Return a PrivilegedExceptionAction object for new FileOutputStream(). Requires security policy: 'permission java.io.FilePermission "write";' FileOutputStream throws:   FileNotFoundException - newFileOutputStreamAction final public static PrivilegedExceptionAction newFileOutputStreamAction(String f, boolean append) throws FileNotFoundException(Code) Return a PrivilegedExceptionAction object for new FileOutputStream(). Requires security policy: 'permission java.io.FilePermission "write";' FileOutputStream throws:   FileNotFoundException - newInstanceAction final public static PrivilegedExceptionAction newInstanceAction(Class clazz) throws IllegalAccessException, InstantiationException(Code) Return a PrivilegedExceptionAction object for clazz.newInstance(). Requires security policy: 'permission java.lang.RuntimePermission "getClassLoader";' Object exception:   IllegalAccessException - exception:   InstantiationException - newMultiClassLoaderAction final public static PrivilegedAction newMultiClassLoaderAction()(Code) Return a PrivilegeAction object for new MultiClassLoader(). Requires security policy: 'permission java.lang.RuntimePermission "createClassLoader";' MultiClassLoader newServerSocketAction final public static PrivilegedExceptionAction newServerSocketAction(int port) throws IOException(Code) Return a PrivilegedExceptionAction object for new ServerSocket(). Requires security policy: 'permission java.net.SocketPermission "listen";' ServerSocket throws:   IOException - newSocketAction final public static PrivilegedExceptionAction newSocketAction(InetAddress host, int port) throws IOException(Code) Return a PrivilegedExceptionAction object for new Socket(). Requires security policy: 'permission java.net.SocketPermission "connect";' Socket throws:   IOException - newTemporaryClassLoaderAction final public static PrivilegedAction newTemporaryClassLoaderAction(ClassLoader parent)(Code) Return a PrivilegeAction object for new TemporaryClassLoader(). Requires security policy: 'permission java.lang.RuntimePermission "createClassLoader";' TemporaryClassLoader newZipFileAction final public static PrivilegedExceptionAction newZipFileAction(File f) throws IOException(Code) Return a PrivilegedExceptionAction object for new ZipFile(). Requires security policy: 'permission java.io.FilePermission "read";' ZipFile throws:   IOException - openStreamAction final public static PrivilegedExceptionAction openStreamAction(URL url) throws IOException(Code) Return a PrivilegedExceptionAction object for url.openStream(). Requires security policy: 'permission java.io.FilePermission "read";' InputStream throws:   IOException - renameToAction final public static PrivilegedAction renameToAction(File from, File to)(Code) Return a PrivilegeAction object for f.renameTo(). Requires security policy: 'permission java.io.FilePermission "write";' Boolean setAccessibleAction final public static PrivilegedAction setAccessibleAction(AccessibleObject aObj, boolean flag)(Code) Return a PrivilegeAction object for aObj.setAccessible(). Requires security policy: 'permission java.lang.reflect.ReflectPermission "suppressAccessChecks";' toURLAction final public static PrivilegedExceptionAction toURLAction(File file) throws MalformedURLException(Code) Return a PrivilegedExceptionAction object for f.toURL(). Requires security policy: 'permission java.io.FilePermission "read";' Boolean throws:   MalformedURLException - Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)