org.apache.hawq.pxf.service.utilities

Class CustomWebappLoader

java.lang.Object

org.apache.catalina.util.LifecycleBase

org.apache.catalina.util.LifecycleMBeanBase

org.apache.catalina.loader.WebappLoader

org.apache.hawq.pxf.service.utilities.CustomWebappLoader

All Implemented Interfaces:

java.beans.PropertyChangeListener, java.util.EventListener, javax.management.MBeanRegistration, org.apache.catalina.Lifecycle, org.apache.catalina.Loader

public class CustomWebappLoader
extends org.apache.catalina.loader.WebappLoader

A WebappLoader that allows a customized classpath to be added through configuration in context xml. Any additional classpath entry will be added to the default webapp classpath.

 <Context>
   <Loader className="org.apache.hawq.pxf.service.utilities.CustomWebappLoader"
              classpathFiles="/somedir/classpathFile1;/somedir/classpathFile2"/>
 </Context>
 

Field Summary

Fields inherited from class org.apache.catalina.loader.WebappLoader

sm, support

Fields inherited from class org.apache.catalina.util.LifecycleMBeanBase

mserver

Fields inherited from interface org.apache.catalina.Lifecycle

AFTER_DESTROY_EVENT, AFTER_INIT_EVENT, AFTER_START_EVENT, AFTER_STOP_EVENT, BEFORE_DESTROY_EVENT, BEFORE_INIT_EVENT, BEFORE_START_EVENT, BEFORE_STOP_EVENT, CONFIGURE_START_EVENT, CONFIGURE_STOP_EVENT, PERIODIC_EVENT, START_EVENT, STOP_EVENT

Constructor Summary

Constructors

Constructor and Description
CustomWebappLoader() Constructs a WebappLoader with no defined parent class loader (actual parent will be the system class loader).
CustomWebappLoader(java.lang.ClassLoader parent) Constructs a WebappLoader with the specified class loader to be defined as the parent for this ClassLoader.

Method Summary

Modifier and Type	Method and Description
void	setClasspathFiles(java.lang.String classpathFiles) classpathFiles attribute is automatically set from the context xml file.
void	setSecondaryClasspathFiles(java.lang.String secondaryClasspathFiles) secondaryClasspathFiles attribute is automatically set from the context xml file.
protected void	startInternal() Implements LifecycleBase.startInternal().

Methods inherited from class org.apache.catalina.loader.WebappLoader

addPropertyChangeListener, addRepository, backgroundProcess, closeJARs, findRepositories, getClassLoader, getClasspath, getContainer, getDelegate, getDomainInternal, getInfo, getLoaderClass, getLoaderRepositories, getLoaderRepositoriesString, getObjectNameKeyProperties, getReloadable, getRepositories, getRepositoriesString, getSearchExternalFirst, modified, propertyChange, removePropertyChangeListener, setContainer, setDelegate, setLoaderClass, setReloadable, setSearchExternalFirst, stopInternal, toString

Methods inherited from class org.apache.catalina.util.LifecycleMBeanBase

destroyInternal, getDomain, getObjectName, initInternal, postDeregister, postRegister, preDeregister, preRegister, register, setDomain, unregister

Methods inherited from class org.apache.catalina.util.LifecycleBase

addLifecycleListener, destroy, findLifecycleListeners, fireLifecycleEvent, getState, getStateName, init, removeLifecycleListener, setState, setState, start, stop

Methods inherited from class java.lang.Object

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

Constructor Detail

CustomWebappLoader

public CustomWebappLoader()

Constructs a WebappLoader with no defined parent class loader (actual parent will be the system class loader).

CustomWebappLoader

public CustomWebappLoader(java.lang.ClassLoader parent)

Constructs a WebappLoader with the specified class loader to be defined as the parent for this ClassLoader.

Parameters:

parent - The parent class loader

Method Detail

setClasspathFiles

public void setClasspathFiles(java.lang.String classpathFiles)

classpathFiles attribute is automatically set from the context xml file.

Parameters:

classpathFiles - Files separated by ; Which contains ; separated list of path entries.

setSecondaryClasspathFiles

public void setSecondaryClasspathFiles(java.lang.String secondaryClasspathFiles)

secondaryClasspathFiles attribute is automatically set from the context xml file.

Parameters:

secondaryClasspathFiles - Files separated by ; Which contains ; separated list of path entries.

startInternal

protected void startInternal()
                      throws org.apache.catalina.LifecycleException

Implements LifecycleBase.startInternal().

Overrides:

startInternal in class org.apache.catalina.loader.WebappLoader

Throws:

org.apache.catalina.LifecycleException - if this component detects a fatal error that prevents this component from being used.