Package org.springframework.core.type.classreading

Class SimpleMetadataReaderFactory

java.lang.Object

org.springframework.core.type.classreading.SimpleMetadataReaderFactory

All Implemented Interfaces:

MetadataReaderFactory

Direct Known Subclasses:

CachingMetadataReaderFactory

public class SimpleMetadataReaderFactory
extends Object
implements MetadataReaderFactory

Simple implementation of the MetadataReaderFactory interface, creating a new ASM ClassReader for every request.

Since:

2.5

Author:

Juergen Hoeller

Constructor Summary

Constructors

Constructor	Description
SimpleMetadataReaderFactory()	Create a new SimpleMetadataReaderFactory for the default class loader.
SimpleMetadataReaderFactory(ClassLoader classLoader)	Create a new SimpleMetadataReaderFactory for the given class loader.
SimpleMetadataReaderFactory(ResourceLoader resourceLoader)	Create a new SimpleMetadataReaderFactory for the given resource loader.

Method Summary

Modifier and Type	Method	Description
MetadataReader	getMetadataReader(String className)	Obtain a MetadataReader for the given class name.
MetadataReader	getMetadataReader(Resource resource)	Obtain a MetadataReader for the given resource.
final ResourceLoader	getResourceLoader()	Return the ResourceLoader that this MetadataReaderFactory has been constructed with.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

SimpleMetadataReaderFactory

public SimpleMetadataReaderFactory()

Create a new SimpleMetadataReaderFactory for the default class loader.

SimpleMetadataReaderFactory

public SimpleMetadataReaderFactory(@Nullable
 ResourceLoader resourceLoader)

Create a new SimpleMetadataReaderFactory for the given resource loader.

Parameters:

resourceLoader - the Spring ResourceLoader to use (also determines the ClassLoader to use)

SimpleMetadataReaderFactory

public SimpleMetadataReaderFactory(@Nullable
 ClassLoader classLoader)

Create a new SimpleMetadataReaderFactory for the given class loader.

Parameters:

classLoader - the ClassLoader to use

Method Details

getResourceLoader

public final ResourceLoader getResourceLoader()

Return the ResourceLoader that this MetadataReaderFactory has been constructed with.

getMetadataReader

public MetadataReader getMetadataReader(String className)
                                 throws IOException

Description copied from interface: MetadataReaderFactory

Obtain a MetadataReader for the given class name.

Specified by:

getMetadataReader in interface MetadataReaderFactory

Parameters:

className - the class name (to be resolved to a ".class" file)

Returns:

a holder for the ClassReader instance (never null)

Throws:

ClassFormatException - in case of an incompatible class format

IOException - in case of I/O failure

getMetadataReader

public MetadataReader getMetadataReader(Resource resource)
                                 throws IOException

Description copied from interface: MetadataReaderFactory

Obtain a MetadataReader for the given resource.

Specified by:

getMetadataReader in interface MetadataReaderFactory

Parameters:

resource - the resource (pointing to a ".class" file)

Returns:

a holder for the ClassReader instance (never null)

Throws:

ClassFormatException - in case of an incompatible class format

IOException - in case of I/O failure