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/* VMClass.java -- VM Specific Class methods
   Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation
 
This file is part of GNU Classpath.
 
GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
 
GNU Classpath is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
General Public License for more details.
 
You should have received a copy of the GNU General Public License
along with GNU Classpath; see the file COPYING.  If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA.
 
Linking this library statically or dynamically with other modules is
making a combined work based on this library.  Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.
 
As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
module.  An independent module is a module which is not derived from
or based on this library.  If you modify this library, you may extend
this exception to your version of the library, but you are not
obligated to do so.  If you do not wish to do so, delete this
exception statement from your version. */
 
package java.lang;
 
import java.lang.annotation.Annotation;
import java.lang.reflect.Array;
import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
 
/*
 * This class is a reference version, mainly for compiling a class library
 * jar.  It is likely that VM implementers replace this with their own
 * version that can communicate effectively with the VM.
 */
 
/**
 *
 * @author Etienne Gagnon (etienne.gagnon@uqam.ca)
 * @author Archie Cobbs (archie@dellroad.org)
 * @author C. Brian Jones (cbj@gnu.org)
 * @author Tom Tromey (tromey@cygnus.com)
 * @author Andrew John Hughes (gnu_andrew@member.fsf.org)
 */
final class VMClass
{
 
  // Only static methods. Cannot be instantiated.
  private VMClass()
  {
  }
 
  /**
   * Discover whether an Object is an instance of this Class.  Think of it
   * as almost like <code>o instanceof (this class)</code>.
   *
   * @param klass the Class object that's calling us
   * @param o the Object to check
   * @return whether o is an instance of this class
   * @since 1.1
   */
  static native boolean isInstance(Class klass, Object o);
 
  /**
   * Discover whether an instance of the Class parameter would be an
   * instance of this Class as well.  Think of doing
   * <code>isInstance(c.newInstance())</code> or even
   * <code>c.newInstance() instanceof (this class)</code>. While this
   * checks widening conversions for objects, it must be exact for primitive
   * types.
   *
   * @param klass the Class object that's calling us
   * @param c the class to check
   * @return whether an instance of c would be an instance of this class
   *         as well
   * @throws NullPointerException if c is null
   * @since 1.1
   */
  static native boolean isAssignableFrom(Class klass, Class c);
 
  /**
   * Check whether this class is an interface or not.  Array types are not
   * interfaces.
   *
   * @param klass the Class object that's calling us
   * @return whether this class is an interface or not
   */
  static native boolean isInterface(Class klass);
 
  /**
   * Return whether this class is a primitive type.  A primitive type class
   * is a class representing a kind of "placeholder" for the various
   * primitive types, or void.  You can access the various primitive type
   * classes through java.lang.Boolean.TYPE, java.lang.Integer.TYPE, etc.,
   * or through boolean.class, int.class, etc.
   *
   * @param klass the Class object that's calling us
   * @return whether this class is a primitive type
   * @see Boolean#TYPE
   * @see Byte#TYPE
   * @see Character#TYPE
   * @see Short#TYPE
   * @see Integer#TYPE
   * @see Long#TYPE
   * @see Float#TYPE
   * @see Double#TYPE
   * @see Void#TYPE
   * @since 1.1
   */
  static native boolean isPrimitive(Class klass);
 
  /**
   * Get the name of this class, separated by dots for package separators.
   * Primitive types and arrays are encoded as:
   * <pre>
   * boolean             Z
   * byte                B
   * char                C
   * short               S
   * int                 I
   * long                J
   * float               F
   * double              D
   * void                V
   * array type          [<em>element type</em>
   * class or interface, alone: &lt;dotted name&gt;
   * class or interface, as element type: L&lt;dotted name&gt;;
   *
   * @param klass the Class object that's calling us
   * @return the name of this class
   */
  static native String getName(Class klass);
 
  /**
   * Get the direct superclass of this class.  If this is an interface,
   * Object, a primitive type, or void, it will return null. If this is an
   * array type, it will return Object.
   *
   * @param klass the Class object that's calling us
   * @return the direct superclass of this class
   */
  static native Class getSuperclass(Class klass);
 
  /**
   * Get the interfaces this class <EM>directly</EM> implements, in the
   * order that they were declared. This returns an empty array, not null,
   * for Object, primitives, void, and classes or interfaces with no direct
   * superinterface. Array types return Cloneable and Serializable.
   *
   * @param klass the Class object that's calling us
   * @return the interfaces this class directly implements
   */
  static native Class[] getInterfaces(Class klass);
 
  /**
   * If this is an array, get the Class representing the type of array.
   * Examples: "[[Ljava.lang.String;" would return "[Ljava.lang.String;", and
   * calling getComponentType on that would give "java.lang.String".  If
   * this is not an array, returns null.
   *
   * @param klass the Class object that's calling us
   * @return the array type of this class, or null
   * @see Array
   * @since 1.1
   */
  static native Class getComponentType(Class klass);
 
  /**
   * Get the modifiers of this class.  These can be decoded using Modifier,
   * and is limited to one of public, protected, or private, and any of
   * final, static, abstract, or interface. An array class has the same
   * public, protected, or private modifier as its component type, and is
   * marked final but not an interface. Primitive types and void are marked
   * public and final, but not an interface.
   *
   * @param klass the Class object that's calling us
   * @param ignoreInnerClassesAttrib if set, return the real modifiers, not
   * the ones specified in the InnerClasses attribute.
   * @return the modifiers of this class
   * @see Modifier
   * @since 1.1
   */
  static native int getModifiers(Class klass, boolean ignoreInnerClassesAttrib);
 
  /**
   * If this is a nested or inner class, return the class that declared it.
   * If not, return null.
   *
   * @param klass the Class object that's calling us
   * @return the declaring class of this class
   * @since 1.1
   */
  static native Class getDeclaringClass(Class klass);
 
  /**
   * Like <code>getDeclaredClasses()</code> but without the security checks.
   *
   * @param klass the Class object that's calling us
   * @param publicOnly Only public classes should be returned
   */
  static native Class[] getDeclaredClasses(Class klass, boolean publicOnly);
 
  /**
   * Like <code>getDeclaredFields()</code> but without the security checks.
   *
   * @param klass the Class object that's calling us
   * @param publicOnly Only public fields should be returned
   */
  static native Field[] getDeclaredFields(Class klass, boolean publicOnly);
 
  /**
   * Like <code>getDeclaredMethods()</code> but without the security checks.
   *
   * @param klass the Class object that's calling us
   * @param publicOnly Only public methods should be returned
   */
  static native Method[] getDeclaredMethods(Class klass, boolean publicOnly);
 
  /**
   * Like <code>getDeclaredConstructors()</code> but without
   * the security checks.
   *
   * @param klass the Class object that's calling us
   * @param publicOnly Only public constructors should be returned
   */
  static native Constructor[] getDeclaredConstructors(Class klass, boolean publicOnly);
 
  /**
   * Return the class loader of this class.
   *
   * @param klass the Class object that's calling us
   * @return the class loader
   */
  static native ClassLoader getClassLoader(Class klass);
 
  /**
   * Load the requested class and record the specified loader as the
   * initiating class loader.
   *
   * @param name the name of the class to find
   * @param initialize should the class initializer be run?
   * @param loader the class loader to use (or null for the bootstrap loader)
   * @return the Class object representing the class or null for noop
   * @throws ClassNotFoundException if the class was not found by the
   *         class loader
   * @throws LinkageError if linking the class fails
   * @throws ExceptionInInitializerError if the class loads, but an exception
   *         occurs during initialization
   */
  static native Class forName(String name, boolean initialize,
                              ClassLoader loader)
    throws ClassNotFoundException;
 
  /**
   * Return whether this class is an array type.
   *
   * @param klass the Class object that's calling us
   * @return true if this class is an array type
   * operation
   */
  static native boolean isArray(Class klass);
 
  /**
   * Throw a checked exception without declaring it.
   */
  static native void throwException(Throwable t);
 
  /**
   * Returns the simple name for the specified class, as used in the source
   * code.  For normal classes, this is the content returned by
   * <code>getName()</code> which follows the last ".".  Anonymous
   * classes have no name, and so the result of calling this method is
   * "".  The simple name of an array consists of the simple name of
   * its component type, followed by "[]".  Thus, an array with the
   * component type of an anonymous class has a simple name of simply
   * "[]".
   *
   * @param klass the class whose simple name should be returned.
   * @return the simple name for this class.
   */
  static String getSimpleName(Class klass)
  {
    if (isAnonymousClass(klass))
      return "";
    if (isArray(klass))
      {
        return getComponentType(klass).getSimpleName() + "[]";
      }
    String fullName = getName(klass);
    int pos = fullName.lastIndexOf("$");
    if (pos == -1)
      pos = 0;
    else
      {
        ++pos;
        while (Character.isDigit(fullName.charAt(pos)))
          ++pos;
      }
    int packagePos = fullName.lastIndexOf(".", pos);
    if (packagePos == -1)
      return fullName.substring(pos);
    else
      return fullName.substring(packagePos + 1);
  }
 
  /**
   * Returns all annotations directly defined by the specified class.  If
   * there are no annotations associated with this class, then a zero-length
   * array will be returned.  The returned array may be modified by the client
   * code, but this will have no effect on the annotation content of this
   * class, and hence no effect on the return value of this method for
   * future callers.
   *
   * @param klass the class whose annotations should be returned.
   * @return the annotations directly defined by the specified class.
   * @since 1.5
   */
  static native Annotation[] getDeclaredAnnotations(Class klass);
 
  /**
   * <p>
   * Returns the canonical name of the specified class, as defined by section
   * 6.7 of the Java language specification.  Each package, top-level class,
   * top-level interface and primitive type has a canonical name.  A member
   * class has a canonical name, if its parent class has one.  Likewise,
   * an array type has a canonical name, if its component type does.
   * Local or anonymous classes do not have canonical names.
   * </p>
   * <p>
   * The canonical name for top-level classes, top-level interfaces and
   * primitive types is always the same as the fully-qualified name.
   * For array types, the canonical name is the canonical name of its
   * component type with `[]' appended.
   * </p>
   * <p>
   * The canonical name of a member class always refers to the place where
   * the class was defined, and is composed of the canonical name of the
   * defining class and the simple name of the member class, joined by `.'.
   *  For example, if a <code>Person</code> class has an inner class,
   * <code>M</code>, then both its fully-qualified name and canonical name
   * is <code>Person.M</code>.  A subclass, <code>Staff</code>, of
   * <code>Person</code> refers to the same inner class by the fully-qualified
   * name of <code>Staff.M</code>, but its canonical name is still
   * <code>Person.M</code>.
   * </p>
   * <p>
   * Where no canonical name is present, <code>null</code> is returned.
   * </p>
   *
   * @param klass the class whose canonical name should be retrieved.
   * @return the canonical name of the class, or <code>null</code> if the
   *         class doesn't have a canonical name.
   * @since 1.5
   */
  static String getCanonicalName(Class klass)
  {
    if (isLocalClass(klass) || isAnonymousClass(klass))
      return null;
    if (isArray(klass))
      {
        String componentName = getComponentType(klass).getCanonicalName();
        if (componentName != null)
          return componentName + "[]";
      }
    if (isMemberClass(klass))
      {
        String memberName = getDeclaringClass(klass).getCanonicalName();
        if (memberName != null)
          return memberName + "." + getSimpleName(klass);
        else
          return memberName;
      }
    return getName(klass);
  }
 
  /**
   * Returns the class which immediately encloses the specified class.  If
   * the class is a top-level class, this method returns <code>null</code>.
   *
   * @param klass the class whose enclosing class should be returned.
   * @return the immediate enclosing class, or <code>null</code> if this is
   *         a top-level class.
   * @since 1.5
   */
  static native Class getEnclosingClass(Class klass);
 
  /**
   * Returns the constructor which immediately encloses the specified class.
   * If the class is a top-level class, or a local or anonymous class
   * immediately enclosed by a type definition, instance initializer
   * or static initializer, then <code>null</code> is returned.
   *
   * @param klass the class whose enclosing constructor should be returned.
   * @return the immediate enclosing constructor if the specified class is
   *         declared within a constructor.  Otherwise, <code>null</code>
   *         is returned.
   * @since 1.5
   */
  static native Constructor getEnclosingConstructor(Class klass);
 
  /**
   * Returns the method which immediately encloses the specified class.  If
   * the class is a top-level class, or a local or anonymous class
   * immediately enclosed by a type definition, instance initializer
   * or static initializer, then <code>null</code> is returned.
   *
   * @param klass the class whose enclosing method should be returned.
   * @return the immediate enclosing method if the specified class is
   *         declared within a method.  Otherwise, <code>null</code>
   *         is returned.
   * @since 1.5
   */
  static native Method getEnclosingMethod(Class klass);
 
  /**
   * Returns the class signature as specified in Class File Format
   * chapter in the VM specification, or null if the class is not
   * generic.
   *
   * @param klass the klass to test.
   * @return a ClassSignature string.
   * @since 1.5
   */
  static native String getClassSignature(Class klass);
 
  /**
   * Returns true if the specified class represents an anonymous class.
   *
   * @param klass the klass to test.
   * @return true if the specified class represents an anonymous class.
   * @since 1.5
   */
  static native boolean isAnonymousClass(Class klass);
 
  /**
   * Returns true if the specified class represents an local class.
   *
   * @param klass the klass to test.
   * @return true if the specified class represents an local class.
   * @since 1.5
   */
  static native boolean isLocalClass(Class klass);
 
  /**
   * Returns true if the specified class represents an member class.
   *
   * @param klass the klass to test.
   * @return true if the specified class represents an member class.
   * @since 1.5
   */
  static native boolean isMemberClass(Class klass);
 
} // class VMClass

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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libjava/] [classpath/] [vm/] [reference/] [java/] [lang/] [VMClass.java] - Blame information for rev 780

Line No.	Rev	Author	Line
1	780	jeremybenn	`/* VMClass.java -- VM Specific Class methods`
2			`Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation`
3
4			`This file is part of GNU Classpath.`
5
6			`GNU Classpath is free software; you can redistribute it and/or modify`
7			`it under the terms of the GNU General Public License as published by`
8			`the Free Software Foundation; either version 2, or (at your option)`
9			`any later version.`
10
11			`GNU Classpath is distributed in the hope that it will be useful, but`
12			`WITHOUT ANY WARRANTY; without even the implied warranty of`
13			`MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU`
14			`General Public License for more details.`
15
16			`You should have received a copy of the GNU General Public License`
17			`along with GNU Classpath; see the file COPYING. If not, write to the`
18			`Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA`
19			`02110-1301 USA.`
20
21			`Linking this library statically or dynamically with other modules is`
22			`making a combined work based on this library. Thus, the terms and`
23			`conditions of the GNU General Public License cover the whole`
24			`combination.`
25
26			`As a special exception, the copyright holders of this library give you`
27			`permission to link this library with independent modules to produce an`
28			`executable, regardless of the license terms of these independent`
29			`modules, and to copy and distribute the resulting executable under`
30			`terms of your choice, provided that you also meet, for each linked`
31			`independent module, the terms and conditions of the license of that`
32			`module. An independent module is a module which is not derived from`
33			`or based on this library. If you modify this library, you may extend`
34			`this exception to your version of the library, but you are not`
35			`obligated to do so. If you do not wish to do so, delete this`
36			`exception statement from your version. */`
37
38			`package java.lang;`
39
40			`import java.lang.annotation.Annotation;`
41			`import java.lang.reflect.Array;`
42			`import java.lang.reflect.Constructor;`
43			`import java.lang.reflect.Field;`
44			`import java.lang.reflect.Method;`
45			`import java.lang.reflect.Modifier;`
46
47			`/*`
48			`* This class is a reference version, mainly for compiling a class library`
49			`* jar. It is likely that VM implementers replace this with their own`
50			`* version that can communicate effectively with the VM.`
51			`*/`
52
53			`/**`
54			`*`
55			`* @author Etienne Gagnon (etienne.gagnon@uqam.ca)`
56			`* @author Archie Cobbs (archie@dellroad.org)`
57			`* @author C. Brian Jones (cbj@gnu.org)`
58			`* @author Tom Tromey (tromey@cygnus.com)`
59			`* @author Andrew John Hughes (gnu_andrew@member.fsf.org)`
60			`*/`
61			`final class VMClass`
62			`{`
63
64			`// Only static methods. Cannot be instantiated.`
65			`private VMClass()`
66			`{`
67			`}`
68
69			`/**`
70			`* Discover whether an Object is an instance of this Class. Think of it`
71			`* as almost like <code>o instanceof (this class)</code>.`
72			`*`
73			`* @param klass the Class object that's calling us`
74			`* @param o the Object to check`
75			`* @return whether o is an instance of this class`
76			`* @since 1.1`
77			`*/`
78			`static native boolean isInstance(Class klass, Object o);`
79
80			`/**`
81			`* Discover whether an instance of the Class parameter would be an`
82			`* instance of this Class as well. Think of doing`
83			`* <code>isInstance(c.newInstance())</code> or even`
84			`* <code>c.newInstance() instanceof (this class)</code>. While this`
85			`* checks widening conversions for objects, it must be exact for primitive`
86			`* types.`
87			`*`
88			`* @param klass the Class object that's calling us`
89			`* @param c the class to check`
90			`* @return whether an instance of c would be an instance of this class`
91			`* as well`
92			`* @throws NullPointerException if c is null`
93			`* @since 1.1`
94			`*/`
95			`static native boolean isAssignableFrom(Class klass, Class c);`
96
97			`/**`
98			`* Check whether this class is an interface or not. Array types are not`
99			`* interfaces.`
100			`*`
101			`* @param klass the Class object that's calling us`
102			`* @return whether this class is an interface or not`
103			`*/`
104			`static native boolean isInterface(Class klass);`
105
106			`/**`
107			`* Return whether this class is a primitive type. A primitive type class`
108			`* is a class representing a kind of "placeholder" for the various`
109			`* primitive types, or void. You can access the various primitive type`
110			`* classes through java.lang.Boolean.TYPE, java.lang.Integer.TYPE, etc.,`
111			`* or through boolean.class, int.class, etc.`
112			`*`
113			`* @param klass the Class object that's calling us`
114			`* @return whether this class is a primitive type`
115			`* @see Boolean#TYPE`
116			`* @see Byte#TYPE`
117			`* @see Character#TYPE`
118			`* @see Short#TYPE`
119			`* @see Integer#TYPE`
120			`* @see Long#TYPE`
121			`* @see Float#TYPE`
122			`* @see Double#TYPE`
123			`* @see Void#TYPE`
124			`* @since 1.1`
125			`*/`
126			`static native boolean isPrimitive(Class klass);`
127
128			`/**`
129			`* Get the name of this class, separated by dots for package separators.`
130			`* Primitive types and arrays are encoded as:`
131			`* <pre>`
132			`* boolean Z`
133			`* byte B`
134			`* char C`
135			`* short S`
136			`* int I`
137			`* long J`
138			`* float F`
139			`* double D`
140			`* void V`
141			`* array type [<em>element type</em>`
142			`* class or interface, alone: <dotted name>`
143			`* class or interface, as element type: L<dotted name>;`
144			`*`
145			`* @param klass the Class object that's calling us`
146			`* @return the name of this class`
147			`*/`
148			`static native String getName(Class klass);`
149
150			`/**`
151			`* Get the direct superclass of this class. If this is an interface,`
152			`* Object, a primitive type, or void, it will return null. If this is an`
153			`* array type, it will return Object.`
154			`*`
155			`* @param klass the Class object that's calling us`
156			`* @return the direct superclass of this class`
157			`*/`
158			`static native Class getSuperclass(Class klass);`
159
160			`/**`
161			`* Get the interfaces this class <EM>directly</EM> implements, in the`
162			`* order that they were declared. This returns an empty array, not null,`
163			`* for Object, primitives, void, and classes or interfaces with no direct`
164			`* superinterface. Array types return Cloneable and Serializable.`
165			`*`
166			`* @param klass the Class object that's calling us`
167			`* @return the interfaces this class directly implements`
168			`*/`
169			`static native Class[] getInterfaces(Class klass);`
170
171			`/**`
172			`* If this is an array, get the Class representing the type of array.`
173			`* Examples: "[[Ljava.lang.String;" would return "[Ljava.lang.String;", and`
174			`* calling getComponentType on that would give "java.lang.String". If`
175			`* this is not an array, returns null.`
176			`*`
177			`* @param klass the Class object that's calling us`
178			`* @return the array type of this class, or null`
179			`* @see Array`
180			`* @since 1.1`
181			`*/`
182			`static native Class getComponentType(Class klass);`
183
184			`/**`
185			`* Get the modifiers of this class. These can be decoded using Modifier,`
186			`* and is limited to one of public, protected, or private, and any of`
187			`* final, static, abstract, or interface. An array class has the same`
188			`* public, protected, or private modifier as its component type, and is`
189			`* marked final but not an interface. Primitive types and void are marked`
190			`* public and final, but not an interface.`
191			`*`
192			`* @param klass the Class object that's calling us`
193			`* @param ignoreInnerClassesAttrib if set, return the real modifiers, not`
194			`* the ones specified in the InnerClasses attribute.`
195			`* @return the modifiers of this class`
196			`* @see Modifier`
197			`* @since 1.1`
198			`*/`
199			`static native int getModifiers(Class klass, boolean ignoreInnerClassesAttrib);`
200
201			`/**`
202			`* If this is a nested or inner class, return the class that declared it.`
203			`* If not, return null.`
204			`*`
205			`* @param klass the Class object that's calling us`
206			`* @return the declaring class of this class`
207			`* @since 1.1`
208			`*/`
209			`static native Class getDeclaringClass(Class klass);`
210
211			`/**`
212			`* Like <code>getDeclaredClasses()</code> but without the security checks.`
213			`*`
214			`* @param klass the Class object that's calling us`
215			`* @param publicOnly Only public classes should be returned`
216			`*/`
217			`static native Class[] getDeclaredClasses(Class klass, boolean publicOnly);`
218
219			`/**`
220			`* Like <code>getDeclaredFields()</code> but without the security checks.`
221			`*`
222			`* @param klass the Class object that's calling us`
223			`* @param publicOnly Only public fields should be returned`
224			`*/`
225			`static native Field[] getDeclaredFields(Class klass, boolean publicOnly);`
226
227			`/**`
228			`* Like <code>getDeclaredMethods()</code> but without the security checks.`
229			`*`
230			`* @param klass the Class object that's calling us`
231			`* @param publicOnly Only public methods should be returned`
232			`*/`
233			`static native Method[] getDeclaredMethods(Class klass, boolean publicOnly);`
234
235			`/**`
236			`* Like <code>getDeclaredConstructors()</code> but without`
237			`* the security checks.`
238			`*`
239			`* @param klass the Class object that's calling us`
240			`* @param publicOnly Only public constructors should be returned`
241			`*/`
242			`static native Constructor[] getDeclaredConstructors(Class klass, boolean publicOnly);`
243
244			`/**`
245			`* Return the class loader of this class.`
246			`*`
247			`* @param klass the Class object that's calling us`
248			`* @return the class loader`
249			`*/`
250			`static native ClassLoader getClassLoader(Class klass);`
251
252			`/**`
253			`* Load the requested class and record the specified loader as the`
254			`* initiating class loader.`
255			`*`
256			`* @param name the name of the class to find`
257			`* @param initialize should the class initializer be run?`
258			`* @param loader the class loader to use (or null for the bootstrap loader)`
259			`* @return the Class object representing the class or null for noop`
260			`* @throws ClassNotFoundException if the class was not found by the`
261			`* class loader`
262			`* @throws LinkageError if linking the class fails`
263			`* @throws ExceptionInInitializerError if the class loads, but an exception`
264			`* occurs during initialization`
265			`*/`
266			`static native Class forName(String name, boolean initialize,`
267			`ClassLoader loader)`
268			`throws ClassNotFoundException;`
269
270			`/**`
271			`* Return whether this class is an array type.`
272			`*`
273			`* @param klass the Class object that's calling us`
274			`* @return true if this class is an array type`
275			`* operation`
276			`*/`
277			`static native boolean isArray(Class klass);`
278
279			`/**`
280			`* Throw a checked exception without declaring it.`
281			`*/`
282			`static native void throwException(Throwable t);`
283
284			`/**`
285			`* Returns the simple name for the specified class, as used in the source`
286			`* code. For normal classes, this is the content returned by`
287			`* <code>getName()</code> which follows the last ".". Anonymous`
288			`* classes have no name, and so the result of calling this method is`
289			`* "". The simple name of an array consists of the simple name of`
290			`* its component type, followed by "[]". Thus, an array with the`
291			`* component type of an anonymous class has a simple name of simply`
292			`* "[]".`
293			`*`
294			`* @param klass the class whose simple name should be returned.`
295			`* @return the simple name for this class.`
296			`*/`
297			`static String getSimpleName(Class klass)`
298			`{`
299			`if (isAnonymousClass(klass))`
300			`return "";`
301			`if (isArray(klass))`
302			`{`
303			`return getComponentType(klass).getSimpleName() + "[]";`
304			`}`
305			`String fullName = getName(klass);`
306			`int pos = fullName.lastIndexOf("$");`
307			`if (pos == -1)`
308			`pos = 0;`
309			`else`
310			`{`
311			`++pos;`
312			`while (Character.isDigit(fullName.charAt(pos)))`
313			`++pos;`
314			`}`
315			`int packagePos = fullName.lastIndexOf(".", pos);`
316			`if (packagePos == -1)`
317			`return fullName.substring(pos);`
318			`else`
319			`return fullName.substring(packagePos + 1);`
320			`}`
321
322			`/**`
323			`* Returns all annotations directly defined by the specified class. If`
324			`* there are no annotations associated with this class, then a zero-length`
325			`* array will be returned. The returned array may be modified by the client`
326			`* code, but this will have no effect on the annotation content of this`
327			`* class, and hence no effect on the return value of this method for`
328			`* future callers.`
329			`*`
330			`* @param klass the class whose annotations should be returned.`
331			`* @return the annotations directly defined by the specified class.`
332			`* @since 1.5`
333			`*/`
334			`static native Annotation[] getDeclaredAnnotations(Class klass);`
335
336			`/**`
337			`* <p>`
338			`* Returns the canonical name of the specified class, as defined by section`
339			`* 6.7 of the Java language specification. Each package, top-level class,`
340			`* top-level interface and primitive type has a canonical name. A member`
341			`* class has a canonical name, if its parent class has one. Likewise,`
342			`* an array type has a canonical name, if its component type does.`
343			`* Local or anonymous classes do not have canonical names.`
344			`* </p>`
345			`* <p>`
346			`* The canonical name for top-level classes, top-level interfaces and`
347			`* primitive types is always the same as the fully-qualified name.`
348			`* For array types, the canonical name is the canonical name of its`
349			* component type with `[]' appended.
350			`* </p>`
351			`* <p>`
352			`* The canonical name of a member class always refers to the place where`
353			`* the class was defined, and is composed of the canonical name of the`
354			* defining class and the simple name of the member class, joined by `.'.
355			`* For example, if a <code>Person</code> class has an inner class,`
356			`* <code>M</code>, then both its fully-qualified name and canonical name`
357			`* is <code>Person.M</code>. A subclass, <code>Staff</code>, of`
358			`* <code>Person</code> refers to the same inner class by the fully-qualified`
359			`* name of <code>Staff.M</code>, but its canonical name is still`
360			`* <code>Person.M</code>.`
361			`* </p>`
362			`* <p>`
363			`* Where no canonical name is present, <code>null</code> is returned.`
364			`* </p>`
365			`*`
366			`* @param klass the class whose canonical name should be retrieved.`
367			`* @return the canonical name of the class, or <code>null</code> if the`
368			`* class doesn't have a canonical name.`
369			`* @since 1.5`
370			`*/`
371			`static String getCanonicalName(Class klass)`
372			`{`
373			`if (isLocalClass(klass) \|\| isAnonymousClass(klass))`
374			`return null;`
375			`if (isArray(klass))`
376			`{`
377			`String componentName = getComponentType(klass).getCanonicalName();`
378			`if (componentName != null)`
379			`return componentName + "[]";`
380			`}`
381			`if (isMemberClass(klass))`
382			`{`
383			`String memberName = getDeclaringClass(klass).getCanonicalName();`
384			`if (memberName != null)`
385			`return memberName + "." + getSimpleName(klass);`
386			`else`
387			`return memberName;`
388			`}`
389			`return getName(klass);`
390			`}`
391
392			`/**`
393			`* Returns the class which immediately encloses the specified class. If`
394			`* the class is a top-level class, this method returns <code>null</code>.`
395			`*`
396			`* @param klass the class whose enclosing class should be returned.`
397			`* @return the immediate enclosing class, or <code>null</code> if this is`
398			`* a top-level class.`
399			`* @since 1.5`
400			`*/`
401			`static native Class getEnclosingClass(Class klass);`
402
403			`/**`
404			`* Returns the constructor which immediately encloses the specified class.`
405			`* If the class is a top-level class, or a local or anonymous class`
406			`* immediately enclosed by a type definition, instance initializer`
407			`* or static initializer, then <code>null</code> is returned.`
408			`*`
409			`* @param klass the class whose enclosing constructor should be returned.`
410			`* @return the immediate enclosing constructor if the specified class is`
411			`* declared within a constructor. Otherwise, <code>null</code>`
412			`* is returned.`
413			`* @since 1.5`
414			`*/`
415			`static native Constructor getEnclosingConstructor(Class klass);`
416
417			`/**`
418			`* Returns the method which immediately encloses the specified class. If`
419			`* the class is a top-level class, or a local or anonymous class`
420			`* immediately enclosed by a type definition, instance initializer`
421			`* or static initializer, then <code>null</code> is returned.`
422			`*`
423			`* @param klass the class whose enclosing method should be returned.`
424			`* @return the immediate enclosing method if the specified class is`
425			`* declared within a method. Otherwise, <code>null</code>`
426			`* is returned.`
427			`* @since 1.5`
428			`*/`
429			`static native Method getEnclosingMethod(Class klass);`
430
431			`/**`
432			`* Returns the class signature as specified in Class File Format`
433			`* chapter in the VM specification, or null if the class is not`
434			`* generic.`
435			`*`
436			`* @param klass the klass to test.`
437			`* @return a ClassSignature string.`
438			`* @since 1.5`
439			`*/`
440			`static native String getClassSignature(Class klass);`
441
442			`/**`
443			`* Returns true if the specified class represents an anonymous class.`
444			`*`
445			`* @param klass the klass to test.`
446			`* @return true if the specified class represents an anonymous class.`
447			`* @since 1.5`
448			`*/`
449			`static native boolean isAnonymousClass(Class klass);`
450
451			`/**`
452			`* Returns true if the specified class represents an local class.`
453			`*`
454			`* @param klass the klass to test.`
455			`* @return true if the specified class represents an local class.`
456			`* @since 1.5`
457			`*/`
458			`static native boolean isLocalClass(Class klass);`
459
460			`/**`
461			`* Returns true if the specified class represents an member class.`
462			`*`
463			`* @param klass the klass to test.`
464			`* @return true if the specified class represents an member class.`
465			`* @since 1.5`
466			`*/`
467			`static native boolean isMemberClass(Class klass);`
468
469			`} // class VMClass`