Package org.pentaho.di.www

Class GetTransImageServlet

java.lang.Object

javax.servlet.GenericServlet

javax.servlet.http.HttpServlet

org.pentaho.di.www.BaseHttpServlet

org.pentaho.di.www.GetTransImageServlet

All Implemented Interfaces:

Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig, CartePluginInterface, CarteServletInterface

public class GetTransImageServlet
extends BaseHttpServlet
implements CartePluginInterface

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static final String	CONTEXT_PATH

Fields inherited from class org.pentaho.di.www.BaseHttpServlet

detections, jobMap, log, socketRepository, transformationMap

Constructor Summary

Constructors

Constructor	Description
GetTransImageServlet()

Method Summary

Modifier and Type	Method	Description
void	doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)
String	getContextPath()
String	getService()
String	toString()

Methods inherited from class org.pentaho.di.www.BaseHttpServlet

convertContextPath, doDelete, doPost, doPut, getDetections, getJobMap, getSocketRepository, getTransformationMap, isJettyMode, logBasic, logBasic, logDebug, logDetailed, logDetailed, logError, logError, logError, logMinimal, logRowlevel, setJettyMode, setup

Methods inherited from class javax.servlet.http.HttpServlet

doHead, doOptions, doTrace, getLastModified, service, service

Methods inherited from class javax.servlet.GenericServlet

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

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.pentaho.di.www.CartePluginInterface

isJettyMode, setJettyMode, setup

Field Details

CONTEXT_PATH

public static final String CONTEXT_PATH

See Also:

• Constant Field Values

Constructor Details

GetTransImageServlet

public GetTransImageServlet()

Method Details

doGet

public void doGet(javax.servlet.http.HttpServletRequest request,
 javax.servlet.http.HttpServletResponse response)
           throws javax.servlet.ServletException,
IOException

/kettle/transImage

GET

Generates PNG image of the specified transformation currently present on Carte server. Transformation name and Carte transformation ID (optional) are used for specifying which transformation to get information for. Response is a binary of the PNG image.

Example Request:

    GET /kettle/transImage?name=dummy-trans
    

Parameters

name	description	type
name	Name of the transformation to be used for image generation.	query
id	Carte id of the transformation to be used for image generation.	query, optional

Response Body

binary streak:	image
media types:	image/png

A binary PNG image or empty response is presented if no transformation is found.

Status Codes

code	description
200	Request was processed.
500	Internal server error occurs during request processing.

Specified by:

doGet in interface CartePluginInterface

Overrides:

doGet in class javax.servlet.http.HttpServlet

Throws:

javax.servlet.ServletException

IOException

toString

public String toString()

Overrides:

toString in class Object

getService

public String getService()

Specified by:

getService in interface CarteServletInterface

getContextPath

public String getContextPath()

Specified by:

getContextPath in interface CartePluginInterface