Package com.composum.nodes.debugutil

Class ComponentDerivationTreeServlet

java.lang.Object

javax.servlet.GenericServlet

org.apache.sling.api.servlets.SlingSafeMethodsServlet

com.composum.nodes.debugutil.ComponentDerivationTreeServlet

All Implemented Interfaces:

Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig

public class ComponentDerivationTreeServlet
extends org.apache.sling.api.servlets.SlingSafeMethodsServlet

Makes a tree of all derived components (connected with sling:resourceSuperType). Usage: wget --user=admin --password=admin -O componenttree.dotty http://localhost:9090/bin/cpm/nodes/debug/componenttree.dotty ;
ccomps -x componenttree.dotty | dot | gvpack | neato -Tpng -n2 -o componenttree.png ; open componenttree.png There can also be a parameter regex to filter the components we consider.

For mermaid diagram (to include e.g. into Github markdown), use extension .mermaid, e.g. http://localhost:4502/bin/cpm/nodes/debug/componenttree.mermaid?regex=wknd

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	ComponentDerivationTreeServlet.Configuration

Field Summary

Fields

Modifier and Type	Field	Description
protected ComponentDerivationTreeServlet.Configuration	config
protected Pattern	ignoreComponentsRegex
protected static String	PARAM_REGEX	Optional regex to limit components' path.

Constructor Summary

Constructors

Constructor	Description
ComponentDerivationTreeServlet()

Method Summary

Modifier and Type	Method	Description
protected void	activate(ComponentDerivationTreeServlet.Configuration config)
protected void	deactivate()
protected void	doGet(org.apache.sling.api.SlingHttpServletRequest request, org.apache.sling.api.SlingHttpServletResponse response)

Methods inherited from class org.apache.sling.api.servlets.SlingSafeMethodsServlet

doGeneric, doHead, doOptions, doTrace, getAllowedRequestMethods, getServletInfo, handleMethodNotImplemented, mayService, service, service

Methods inherited from class javax.servlet.GenericServlet

destroy, getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletName, init, init, log, log

Methods inherited from class java.lang.Object

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

Field Detail

PARAM_REGEX

protected static final String PARAM_REGEX

Optional regex to limit components' path.

See Also:

Constant Field Values

config

protected volatile ComponentDerivationTreeServlet.Configuration config

ignoreComponentsRegex

protected volatile Pattern ignoreComponentsRegex

Constructor Detail

ComponentDerivationTreeServlet

public ComponentDerivationTreeServlet()

Method Detail

doGet

protected void doGet(org.apache.sling.api.SlingHttpServletRequest request,
                     org.apache.sling.api.SlingHttpServletResponse response)
              throws IOException,
                     javax.servlet.ServletException

Overrides:

doGet in class org.apache.sling.api.servlets.SlingSafeMethodsServlet

Throws:

IOException

javax.servlet.ServletException

activate

protected void activate(ComponentDerivationTreeServlet.Configuration config)

deactivate

protected void deactivate()