+++ /dev/null
-// Class.java - Representation of a Java class.
-
-/* Copyright (C) 1998, 1999, 2000 Free Software Foundation
-
- This file is part of libgcj.
-
-This software is copyrighted work licensed under the terms of the
-Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
-details. */
-
-package java.lang;
-import java.io.Serializable;
-import java.io.InputStream;
-import java.lang.reflect.*;
-import java.security.*;
-
-/**
- * @author Tom Tromey <tromey@cygnus.com>
- * @date October 1, 1998
- */
-
-/* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3
- * "The Java Language Specification", ISBN 0-201-63451-1
- * plus online API docs for JDK 1.2 beta from http://www.javasoft.com.
- * plus gcj compiler sources (to determine object layout)
- * Status: Sufficient for our purposes, but some methods missing
- * and some not implemented.
- */
-
-public final class Class implements Serializable
-{
- public static native Class forName (String className)
- throws ClassNotFoundException;
- /** @since 1.2 */
- public static native Class forName (String className, boolean initialize,
- ClassLoader loader)
- throws ClassNotFoundException;
- public native Class[] getClasses ();
- public native ClassLoader getClassLoader ();
- public native Class getComponentType ();
-
- public native Constructor getConstructor (Class[] parameterTypes)
- throws NoSuchMethodException, SecurityException;
-
- // This is used to implement getConstructors and
- // getDeclaredConstructors.
- private native Constructor[] _getConstructors (boolean declared)
- throws SecurityException;
-
- public Constructor[] getConstructors () throws SecurityException
- {
- return _getConstructors (false);
- }
-
- public native Constructor getDeclaredConstructor (Class[] parameterTypes)
- throws NoSuchMethodException, SecurityException;
-
- public native Class[] getDeclaredClasses () throws SecurityException;
-
- public Constructor[] getDeclaredConstructors () throws SecurityException
- {
- return _getConstructors (true);
- }
-
- public native Field getDeclaredField (String fieldName)
- throws NoSuchFieldException, SecurityException;
- public native Field[] getDeclaredFields () throws SecurityException;
- public native Method getDeclaredMethod (String methodName,
- Class[] parameterTypes)
- throws NoSuchMethodException, SecurityException;
- public native Method[] getDeclaredMethods () throws SecurityException;
-
- // This is marked as unimplemented in the JCL book.
- public native Class getDeclaringClass ();
-
- private native Field getField (String fieldName, int hash)
- throws NoSuchFieldException, SecurityException;
-
- public Field getField (String fieldName)
- throws NoSuchFieldException, SecurityException
- {
- SecurityManager s = System.getSecurityManager();
- if (s != null)
- s.checkMemberAccess (this, java.lang.reflect.Member.DECLARED);
- Field fld = getField(fieldName, fieldName.hashCode());
- if (fld == null)
- throw new NoSuchFieldException(fieldName);
- return fld;
- }
-
- private native Field[] _getFields (Field[] result, int offset);
- public native Field[] getFields () throws SecurityException;
-
- /**
- * Returns the <code>Package</code> in which this class is defined
- * Returns null when this information is not available from the
- * classloader of this class or when the classloader of this class
- * is null.
- *
- * @since 1.2
- */
- public Package getPackage()
- {
- ClassLoader cl = getClassLoader();
- if (cl != null)
- {
- String name = getName();
- String pkg = "";
- int idx = name.lastIndexOf('.');
- if (idx >= 0)
- pkg = name.substring(0, idx);
- return cl.getPackage(pkg);
- }
- else
- return null;
- }
-
- public native Class[] getInterfaces ();
-
- private final native void getSignature (StringBuffer buffer);
- private static final native String getSignature (Class[] parameterTypes,
- boolean is_construtor);
-
- public native Method getMethod (String methodName, Class[] parameterTypes)
- throws NoSuchMethodException, SecurityException;
- private native int _getMethods (Method[] result, int offset);
- public native Method[] getMethods () throws SecurityException;
-
- public native int getModifiers ();
- public native String getName ();
-
- public java.net.URL getResource (String resourceName)
- {
- String name = resourcePath (resourceName);
- ClassLoader loader = getClassLoader ();
- if (loader == null)
- return ClassLoader.getSystemResource (name);
- else
- return loader.getResource (name);
- }
-
- public java.io.InputStream getResourceAsStream (String resourceName)
- {
- String name = resourcePath (resourceName);
- ClassLoader loader = getClassLoader ();
- if (loader == null)
- return ClassLoader.getSystemResourceAsStream (name);
- else
- return loader.getResourceAsStream (name);
- }
-
- private String resourcePath (String resourceName)
- {
- if (resourceName.startsWith ("/"))
- return resourceName.substring (1);
-
- Class c = this;
- while (c.isArray ())
- c = c.getComponentType ();
-
- String packageName = c.getName ().replace ('.', '/');
- int end = packageName.lastIndexOf ('/');
- if (end == -1)
- return resourceName;
- else
- return packageName.substring (0, end+1) + resourceName;
- }
-
- // FIXME: implement. Requires java.security.
- public Object[] getSigners ()
- {
- return null;
- }
-
- public native Class getSuperclass ();
- public native boolean isArray ();
- public native boolean isAssignableFrom (Class cls);
- public native boolean isInstance (Object obj);
- public native boolean isInterface ();
- public native boolean isPrimitive ();
- public native Object newInstance ()
- throws InstantiationException, IllegalAccessException;
-
- // We need a native method to retrieve the protection domain, because we
- // can't add fields to java.lang.Class that are accessible from Java.
- private native ProtectionDomain getProtectionDomain0();
-
- /**
- * Returns the protection domain of this class. If the classloader
- * did not record the protection domain when creating this class
- * the unknown protection domain is returned which has a <code>null</code>
- * code source and all permissions.
- *
- * @exception SecurityException if a security manager exists and the caller
- * does not have <code>RuntimePermission("getProtectionDomain")</code>.
- *
- * @since 1.2
- */
- public ProtectionDomain getProtectionDomain()
- {
- SecurityManager sm = System.getSecurityManager();
- if (sm != null)
- sm.checkPermission(ClassLoader.protectionDomainPermission);
-
- ProtectionDomain protectionDomain = getProtectionDomain0();
-
- if (protectionDomain == null)
- return ClassLoader.unknownProtectionDomain;
- else
- return protectionDomain;
- }
-
- public String toString ()
- {
- if (isPrimitive ())
- return getName ();
- return (isInterface () ? "interface " : "class ") + getName ();
- }
-
- // Don't allow new classes to be made.
- private Class ()
- {
- }
-
- // Do a security check.
- private void checkMemberAccess (int flags)
- {
- SecurityManager sm = System.getSecurityManager();
- if (sm != null)
- sm.checkMemberAccess(this, flags);
- }
-
- // Initialize the class.
- private native void initializeClass ();
-
- // finalization
- protected native void finalize ();
-}
projects / msp430-gcc.git / blobdiff