com.caucho.loader

Class JarListLoader

java.lang.Object

com.caucho.loader.Loader

com.caucho.loader.JarListLoader

All Implemented Interfaces:

Dependency

Direct Known Subclasses:

IvyLoader, JarLoader, LibraryLoader, TreeLoader

public abstract class JarListLoader
extends Loader
implements Dependency

Class loader which checks for changes in class files and automatically picks up new jars.

Field Summary

Fields

Modifier and Type	Field and Description
protected java.util.ArrayList<com.caucho.loader.JarEntry>	_jarList

Constructor Summary

Constructors

Constructor and Description
JarListLoader() Creates a new jar list loader.
JarListLoader(java.lang.ClassLoader loader)

Method Summary

Modifier and Type	Method and Description
protected void	addJar(Path jar)
protected void	buildClassPath(java.util.ArrayList<java.lang.String> pathList) Fill data for the class path.
protected void	clearJars() Closes the jars.
protected ClassEntry	getClassEntry(java.lang.String name, java.lang.String pathName) Returns the class entry.
Path	getPath(java.lang.String pathName) Find a given path somewhere in the classpath
void	getResources(java.util.Vector<java.net.URL> vector, java.lang.String name) Adds resources to the enumeration.
void	init() Initialize the loader
protected boolean	isJarCacheEnabled()
boolean	isModified() True if any of the loaded classes have been modified.
boolean	logModified(java.util.logging.Logger log) True if any of the loaded classes have been modified.
void	setLoader(DynamicClassLoader loader) Sets the owning class loader.
java.lang.String	toString()
void	validate() Validates the loader.

Methods inherited from class com.caucho.loader.Loader

buildSourcePath, destroy, getClassLoader, getCodeSource, getHashCrc, getResource, getResourceAsStream, isDirectoryLoader, loadClass, lookupPath

Methods inherited from class java.lang.Object

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

Field Detail

_jarList

protected java.util.ArrayList<com.caucho.loader.JarEntry> _jarList

Constructor Detail

JarListLoader

public JarListLoader()

Creates a new jar list loader.

JarListLoader

public JarListLoader(java.lang.ClassLoader loader)

Method Detail

setLoader

public void setLoader(DynamicClassLoader loader)

Sets the owning class loader.

Overrides:

setLoader in class Loader

isModified

public boolean isModified()

True if any of the loaded classes have been modified. If true, the caller should drop the classpath and create a new one.

Specified by:

isModified in interface Dependency

logModified

public boolean logModified(java.util.logging.Logger log)

True if any of the loaded classes have been modified. If true, the caller should drop the classpath and create a new one.

Specified by:

logModified in interface Dependency

validate

public void validate()
              throws ConfigException

Validates the loader.

Overrides:

validate in class Loader

Throws:

ConfigException

init

public void init()

Description copied from class: Loader

Initialize the loader

Overrides:

init in class Loader

isJarCacheEnabled

protected boolean isJarCacheEnabled()

addJar

protected void addJar(Path jar)

buildClassPath

protected void buildClassPath(java.util.ArrayList<java.lang.String> pathList)

Fill data for the class path. fillClassPath() will add all .jar and .zip files in the directory list.

Overrides:

buildClassPath in class Loader

getClassEntry

protected ClassEntry getClassEntry(java.lang.String name,
                                   java.lang.String pathName)
                            throws java.lang.ClassNotFoundException

Returns the class entry.

Overrides:

getClassEntry in class Loader

Parameters:

name - name of the class

Throws:

java.lang.ClassNotFoundException

getResources

public void getResources(java.util.Vector<java.net.URL> vector,
                         java.lang.String name)

Adds resources to the enumeration.

Overrides:

getResources in class Loader

name - name of the resource

getPath

public Path getPath(java.lang.String pathName)

Find a given path somewhere in the classpath

Overrides:

getPath in class Loader

Parameters:

pathName - the relative resourceName

Returns:

the matching path or null

clearJars

protected void clearJars()

Closes the jars.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object