org.apache.catalina.startup
Class HostConfig

java.lang.Object
  org.apache.catalina.startup.HostConfig

All Implemented Interfaces:

LifecycleListener

public class HostConfig

extends java.lang.Object

implements LifecycleListener

Startup event listener for a Host that configures the properties of that Host, and the associated defined contexts.

Version:

$Id: HostConfig.java 939529 2010-04-30 00:51:34Z kkolinko $

Author:

Craig R. McClanahan, Remy Maucherat

Nested Class Summary

protected class

HostConfig.DeployedApplication This class represents the state of a deployed application, as well as the monitored resources.

Field Summary

protected java.io.File	appBase App base.
protected java.io.File	configBase Config base.
protected java.lang.String	configClass The Java class name of the Context configuration class we should use.
protected java.lang.String	contextClass The Java class name of the Context implementation we should use.
protected java.util.HashMap	deployed Map of deployed applications.
protected boolean	deployXML Should we deploy XML Context config files?
protected static Digester	digester The Digester instance used to parse context descriptors.
protected Host	host The Host we are associated with.
protected java.util.Set	invalidWars The list of Wars in the appBase to be ignored because they are invalid (e.g. contain /../ sequences).
protected static org.apache.commons.logging.Log	log
protected javax.management.ObjectName	oname The JMX ObjectName of this component.
protected java.util.ArrayList	serviced List of applications which are being serviced, and shouldn't be deployed/undeployed/redeployed at the moment.
protected static StringManager	sm The string resources for this package.
protected boolean	unpackWARs Should we unpack WAR files when auto-deploying applications in the appBase directory?
protected boolean	xmlNamespaceAware Attribute value used to turn on/off XML namespace awarenes.
protected boolean	xmlValidation Attribute value used to turn on/off XML validation

Constructor Summary

HostConfig()

Method Summary

void	addServiced(java.lang.String name) Add a serviced application to the list.
protected void	addWatchedResources(HostConfig.DeployedApplication app, java.lang.String docBase, Context context) Add watched resources to the specified Context.
protected java.io.File	appBase() Return a File object representing the "application root" directory for our associated Host.
protected void	check() Check status of all webapps.
void	check(java.lang.String name) Check status of a specific webapp, for use with stuff like management webapps.
protected void	checkResources(HostConfig.DeployedApplication app) Check resources for redeployment and reloading.
protected java.io.File	configBase() Return a File object representing the "configuration root" directory for our associated Host.
protected static Digester	createDigester() Create the digester which will be used to parse context config files.
protected void	deployApps() Deploy applications for any directories or WAR files that are found in our "application root" directory.
protected void	deployApps(java.lang.String name) Deploy applications for any directories or WAR files that are found in our "application root" directory.
protected void	deployDescriptor(java.lang.String contextPath, java.io.File contextXml, java.lang.String file)
protected void	deployDescriptors(java.io.File configBase, java.lang.String[] files) Deploy XML context descriptors.
protected void	deployDirectories(java.io.File appBase, java.lang.String[] files) Deploy directories.
protected void	deployDirectory(java.lang.String contextPath, java.io.File dir, java.lang.String file)
protected boolean	deploymentExists(java.lang.String contextPath) Check if a webapp is already deployed in this host.
protected void	deployWAR(java.lang.String contextPath, java.io.File dir, java.lang.String file)
protected void	deployWARs(java.io.File appBase, java.lang.String[] files) Deploy WAR files.
java.lang.String	getConfigBaseName() Get the name of the configBase.
java.lang.String	getConfigClass() Return the Context configuration class name.
protected java.lang.String	getConfigFile(java.lang.String path) Given a context path, get the config file name.
java.lang.String	getContextClass() Return the Context implementation class name.
long	getDeploymentTime(java.lang.String name) Get the instant where an application was deployed.
protected java.lang.String	getDocBase(java.lang.String path) Given a context path, get the docBase.
boolean	getXmlNamespaceAware() Get the server.xml <host> attribute's xmlNamespaceAware.
boolean	getXmlValidation() Get the server.xml <host> attribute's xmlValidation.
boolean	isDeployed(java.lang.String name) Has the specified application been deployed?
boolean	isDeployXML() Return the deploy XML config file flag for this component.
boolean	isServiced(java.lang.String name) Is application serviced ?
boolean	isUnpackWARs() Return the unpack WARs flag.
void	lifecycleEvent(LifecycleEvent event) Process the START event for an associated Host.
void	manageApp(Context context) Add a new Context to be managed by us.
void	removeServiced(java.lang.String name) Removed a serviced application from the list.
void	setConfigClass(java.lang.String configClass) Set the Context configuration class name.
void	setContextClass(java.lang.String contextClass) Set the Context implementation class name.
void	setDeployXML(boolean deployXML) Set the deploy XML config file flag for this component.
void	setUnpackWARs(boolean unpackWARs) Set the unpack WARs flag.
void	setXmlNamespaceAware(boolean xmlNamespaceAware) Set the namespace aware feature of the XML parser used when parsing xml instances.
void	setXmlValidation(boolean xmlValidation) Set the validation feature of the XML parser used when parsing xml instances.
void	start() Process a "start" event for this Host.
void	stop() Process a "stop" event for this Host.
protected void	undeployApps() Undeploy all deployed applications.
void	unmanageApp(java.lang.String contextPath) Remove a webapp from our control.

Methods inherited from class java.lang.Object

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

Field Detail

log

protected static org.apache.commons.logging.Log log

appBase

protected java.io.File appBase

App base.

configBase

protected java.io.File configBase

Config base.

configClass

protected java.lang.String configClass

The Java class name of the Context configuration class we should use.

contextClass

protected java.lang.String contextClass

The Java class name of the Context implementation we should use.

host

protected Host host

The Host we are associated with.

oname

protected javax.management.ObjectName oname

The JMX ObjectName of this component.

sm

protected static final StringManager sm

The string resources for this package.

deployXML

protected boolean deployXML

Should we deploy XML Context config files?

unpackWARs

protected boolean unpackWARs

Should we unpack WAR files when auto-deploying applications in the appBase directory?

deployed

protected java.util.HashMap deployed

Map of deployed applications.

serviced

protected java.util.ArrayList serviced

List of applications which are being serviced, and shouldn't be deployed/undeployed/redeployed at the moment.

xmlValidation

protected boolean xmlValidation

Attribute value used to turn on/off XML validation

xmlNamespaceAware

protected boolean xmlNamespaceAware

Attribute value used to turn on/off XML namespace awarenes.

digester

protected static Digester digester

The Digester instance used to parse context descriptors.

invalidWars

protected java.util.Set invalidWars

The list of Wars in the appBase to be ignored because they are invalid (e.g. contain /../ sequences).

Constructor Detail

HostConfig

public HostConfig()

Method Detail

getConfigClass

public java.lang.String getConfigClass()

Return the Context configuration class name.

setConfigClass

public void setConfigClass(java.lang.String configClass)

Set the Context configuration class name.

Parameters:

configClass - The new Context configuration class name.

getContextClass

public java.lang.String getContextClass()

Return the Context implementation class name.

setContextClass

public void setContextClass(java.lang.String contextClass)

Set the Context implementation class name.

Parameters:

contextClass - The new Context implementation class name.

isDeployXML

public boolean isDeployXML()

Return the deploy XML config file flag for this component.

setDeployXML

public void setDeployXML(boolean deployXML)

Set the deploy XML config file flag for this component.

Parameters:

deployXML - The new deploy XML flag

isUnpackWARs

public boolean isUnpackWARs()

Return the unpack WARs flag.

setUnpackWARs

public void setUnpackWARs(boolean unpackWARs)

Set the unpack WARs flag.

Parameters:

unpackWARs - The new unpack WARs flag

setXmlValidation

public void setXmlValidation(boolean xmlValidation)

Set the validation feature of the XML parser used when parsing xml instances.

Parameters:

xmlValidation - true to enable xml instance validation

getXmlValidation

public boolean getXmlValidation()

Get the server.xml <host> attribute's xmlValidation.

Returns:

true if validation is enabled.

getXmlNamespaceAware

public boolean getXmlNamespaceAware()

Get the server.xml <host> attribute's xmlNamespaceAware.

Returns:

true if namespace awarenes is enabled.

setXmlNamespaceAware

public void setXmlNamespaceAware(boolean xmlNamespaceAware)

Set the namespace aware feature of the XML parser used when parsing xml instances.

Parameters:

xmlNamespaceAware - true to enable namespace awareness

lifecycleEvent

public void lifecycleEvent(LifecycleEvent event)

Process the START event for an associated Host.

Specified by:

lifecycleEvent in interface LifecycleListener

Parameters:

event - The lifecycle event that has occurred

addServiced

public void addServiced(java.lang.String name)

Add a serviced application to the list.

isServiced

public boolean isServiced(java.lang.String name)

Is application serviced ?

Returns:

state of the application

removeServiced

public void removeServiced(java.lang.String name)

Removed a serviced application from the list.

getDeploymentTime

public long getDeploymentTime(java.lang.String name)

Get the instant where an application was deployed.

Returns:

0L if no application with that name is deployed, or the instant on which the application was deployed

isDeployed

public boolean isDeployed(java.lang.String name)

Has the specified application been deployed? Note applications defined in server.xml will not have been deployed.

Returns:

true if the application has been deployed and false if the applciation has not been deployed or does not exist

createDigester

protected static Digester createDigester()

Create the digester which will be used to parse context config files.

appBase

protected java.io.File appBase()

Return a File object representing the "application root" directory for our associated Host.

configBase

protected java.io.File configBase()

Return a File object representing the "configuration root" directory for our associated Host.

getConfigBaseName

public java.lang.String getConfigBaseName()

Get the name of the configBase. For use with JMX management.

getConfigFile

protected java.lang.String getConfigFile(java.lang.String path)

Given a context path, get the config file name.

getDocBase

protected java.lang.String getDocBase(java.lang.String path)

Given a context path, get the docBase.

deployApps

protected void deployApps()

Deploy applications for any directories or WAR files that are found in our "application root" directory.

deployApps

protected void deployApps(java.lang.String name)

Deploy applications for any directories or WAR files that are found in our "application root" directory.

deployDescriptors

protected void deployDescriptors(java.io.File configBase,
                                 java.lang.String[] files)

Deploy XML context descriptors.

deployDescriptor

protected void deployDescriptor(java.lang.String contextPath,
                                java.io.File contextXml,
                                java.lang.String file)

Parameters:

contextPath -

contextXml -

file -

deployWARs

protected void deployWARs(java.io.File appBase,
                          java.lang.String[] files)

Deploy WAR files.

deployWAR

protected void deployWAR(java.lang.String contextPath,
                         java.io.File dir,
                         java.lang.String file)

Parameters:

contextPath -

dir -

file -

deployDirectories

protected void deployDirectories(java.io.File appBase,
                                 java.lang.String[] files)

Deploy directories.

deployDirectory

protected void deployDirectory(java.lang.String contextPath,
                               java.io.File dir,
                               java.lang.String file)

Parameters:

contextPath -

dir -

file -

deploymentExists

protected boolean deploymentExists(java.lang.String contextPath)

Check if a webapp is already deployed in this host.

Parameters:

contextPath - of the context which will be checked

addWatchedResources

protected void addWatchedResources(HostConfig.DeployedApplication app,
                                   java.lang.String docBase,
                                   Context context)

Add watched resources to the specified Context.

Parameters:

app - HostConfig deployed app

docBase - web app docBase

context - web application context

checkResources

protected void checkResources(HostConfig.DeployedApplication app)

Check resources for redeployment and reloading.

start

public void start()

Process a "start" event for this Host.

stop

public void stop()

Process a "stop" event for this Host.

undeployApps

protected void undeployApps()

Undeploy all deployed applications.

check

protected void check()

Check status of all webapps.

check

public void check(java.lang.String name)

Check status of a specific webapp, for use with stuff like management webapps.

manageApp

public void manageApp(Context context)

Add a new Context to be managed by us. Entry point for the admin webapp, and other JMX Context controlers.

unmanageApp

public void unmanageApp(java.lang.String contextPath)

Remove a webapp from our control. Entry point for the admin webapp, and other JMX Context controlers.