Package org.codehaus.janino
Class IClassLoader
- java.lang.Object
-
- org.codehaus.janino.IClassLoader
-
- Direct Known Subclasses:
ClassLoaderIClassLoader
,JavaSourceIClassLoader
,ResourceFinderIClassLoader
public abstract class IClassLoader extends Object
Loads anIClass
by type name.
-
-
Field Summary
-
Constructor Summary
Constructors Constructor Description IClassLoader(IClassLoader optionalParentIClassLoader)
-
Method Summary
All Methods Static Methods Instance Methods Abstract Methods Concrete Methods Modifier and Type Method Description static IClassLoader
createJavacLikePathIClassLoader(File[] optionalBootClassPath, File[] optionalExtDirs, File[] classPath)
Create anIClassLoader
that looks for classes in the given "boot class path", then in the given "extension directories", and then in the given "class path".protected void
defineIClass(IClass iClass)
Define anIClass
in the context of thisIClassLoader
.protected abstract IClass
findIClass(String descriptor)
IClass
loadIClass(String fieldDescriptor)
Get anIClass
by field descriptor.protected void
postConstruct()
This method must be called by the constructor of the directly derived class.
-
-
-
Field Detail
-
ANNO_java_lang_Override
public IClass ANNO_java_lang_Override
Representation of theOverride
annotation.
-
TYPE_java_lang_AssertionError
public IClass TYPE_java_lang_AssertionError
Representation of theAssertionError
type.
-
TYPE_java_lang_Character
public IClass TYPE_java_lang_Character
Representation of theCharacter
type.
-
TYPE_java_lang_Cloneable
public IClass TYPE_java_lang_Cloneable
Representation of theCloneable
type.
-
TYPE_java_lang_Exception
public IClass TYPE_java_lang_Exception
Representation of theException
type.
-
TYPE_java_lang_RuntimeException
public IClass TYPE_java_lang_RuntimeException
Representation of theRuntimeException
type.
-
TYPE_java_lang_StringBuilder
public IClass TYPE_java_lang_StringBuilder
Representation of theStringBuilder
type.
-
TYPE_java_lang_Throwable
public IClass TYPE_java_lang_Throwable
Representation of theThrowable
type.
-
TYPE_java_io_Serializable
public IClass TYPE_java_io_Serializable
Representation of theSerializable
type.
-
METH_java_lang_Iterable__iterator
public IClass.IMethod METH_java_lang_Iterable__iterator
Representation of theIterable.iterator()
method.
-
METH_java_lang_String__concat__java_lang_String
public IClass.IMethod METH_java_lang_String__concat__java_lang_String
Representation of theString.concat(String)
method.
-
METH_java_lang_String__valueOf__int
public IClass.IMethod METH_java_lang_String__valueOf__int
Representation of theString.valueOf(int)
method.
-
METH_java_lang_String__valueOf__long
public IClass.IMethod METH_java_lang_String__valueOf__long
Representation of theString.valueOf(long)
method.
-
METH_java_lang_String__valueOf__float
public IClass.IMethod METH_java_lang_String__valueOf__float
Representation of theString.valueOf(float)
method.
-
METH_java_lang_String__valueOf__double
public IClass.IMethod METH_java_lang_String__valueOf__double
Representation of theString.valueOf(double)
method.
-
METH_java_lang_String__valueOf__char
public IClass.IMethod METH_java_lang_String__valueOf__char
Representation of theString.valueOf(char)
method.
-
METH_java_lang_String__valueOf__boolean
public IClass.IMethod METH_java_lang_String__valueOf__boolean
Representation of theString.valueOf(boolean)
method.
-
METH_java_lang_String__valueOf__java_lang_Object
public IClass.IMethod METH_java_lang_String__valueOf__java_lang_Object
Representation of theString.valueOf(Object)
method.
-
METH_java_lang_StringBuilder__append__java_lang_String
public IClass.IMethod METH_java_lang_StringBuilder__append__java_lang_String
Representation of theStringBuilder.append(String)
method.
-
METH_java_lang_StringBuilder__toString
public IClass.IMethod METH_java_lang_StringBuilder__toString
Representation of theStringBuilder.toString()
method.
-
METH_java_util_Iterator__hasNext
public IClass.IMethod METH_java_util_Iterator__hasNext
Representation of theIterator.hasNext()
method.
-
METH_java_util_Iterator__next
public IClass.IMethod METH_java_util_Iterator__next
Representation of theIterator.next()
method.
-
CTOR_java_lang_StringBuilder__java_lang_String
public IClass.IConstructor CTOR_java_lang_StringBuilder__java_lang_String
Representation of theStringBuilder(String)
constructor.
-
-
Constructor Detail
-
IClassLoader
public IClassLoader(IClassLoader optionalParentIClassLoader)
-
-
Method Detail
-
postConstruct
protected final void postConstruct()
This method must be called by the constructor of the directly derived class. (The reason being is that this method invokes abstractloadIClass(String)
which will not work until the implementing class is constructed.)
-
loadIClass
public final IClass loadIClass(String fieldDescriptor) throws ClassNotFoundException
Get anIClass
by field descriptor.- Parameters:
fieldDescriptor
- E.g. 'Lpkg1/pkg2/Outer$Inner;'- Returns:
null
if anIClass
could not be loaded- Throws:
ClassNotFoundException
- An exception was raised while loading theIClass
-
findIClass
protected abstract IClass findIClass(String descriptor) throws ClassNotFoundException
Find a newIClass
by descriptor; returnnull
if a class for thatdescriptor
could not be found.Similar
ClassLoader.findClass(java.lang.String)
, this method must- Get an
IClass
object from somewhere for the given type - Call
defineIClass(IClass)
with thatIClass
object as the argument - Return the
IClass
object
The format of a
descriptor
is defined in JVMS 4.3.2. Typical descriptors are:I
(Integer)Lpkg1/pkg2/Cls;
(Class declared in package)Lpkg1/pkg2/Outer$Inner;
Member class
Notice that this method is never called from more than one thread at a time. In other words, implementations of this method need not be synchronized.
- Returns:
null
if a class with that descriptor could not be found- Throws:
ClassNotFoundException
- if an exception was raised while loading the class
- Get an
-
defineIClass
protected final void defineIClass(IClass iClass)
Define anIClass
in the context of thisIClassLoader
. If anIClass
with that descriptor already exists, aRuntimeException
is thrown.This method should only be called from an implementation of
findIClass(String)
.- Throws:
RuntimeException
- A differentIClass
object is already defined for this type
-
createJavacLikePathIClassLoader
public static IClassLoader createJavacLikePathIClassLoader(File[] optionalBootClassPath, File[] optionalExtDirs, File[] classPath)
Create anIClassLoader
that looks for classes in the given "boot class path", then in the given "extension directories", and then in the given "class path".The default for the
optionalBootClassPath
is the path defined in the system property "sun.boot.class.path", and the default for theoptionalExtensionDirs
is the path defined in the "java.ext.dirs" system property.
-
-