nl.b3p.viewer.image

Class PrePostImageCollector

java.lang.Object

nl.b3p.viewer.image.ImageCollector

nl.b3p.viewer.image.PrePostImageCollector

All Implemented Interfaces:

Callable<ImageCollector>

Direct Known Subclasses:

ArcImsImageCollector, ArcServerImageCollector

public abstract class PrePostImageCollector
extends ImageCollector

Class that gets the image in 2 steps. First sumbit the body and then recieve the url from the response. Get the image with the url in the response.

Author:

Roy Braam

Field Summary

Fields inherited from class nl.b3p.viewer.image.ImageCollector

ACTIVE, client, COMPLETED, ERROR, NEW, WARNING

Constructor Summary

Constructors

Constructor and Description
PrePostImageCollector(CombineImageUrl ciu, int maxResponseTime, org.apache.commons.httpclient.HttpClient client, javax.servlet.http.HttpServletRequest req)

Method Summary

Modifier and Type	Method and Description
String	getBody()
protected abstract String	getUrlFromXML(String returnXML) Recieve the url from the xml.
protected BufferedImage	loadImage(String url, String user, String pass) Load the image with a http-get
void	setBody(String body)

Methods inherited from class nl.b3p.viewer.image.ImageCollector

call, getBufferedImage, getCombinedImageUrl, getMaxResponseTime, getMessage, getPassword, getRealUrl, getStatus, getUrl, getUsername, setBufferedImage, setCombineImageUrl, setMaxResponseTime, setMessage, setPassword, setStatus, setUsername

Methods inherited from class java.lang.Object

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

Constructor Detail

PrePostImageCollector

public PrePostImageCollector(CombineImageUrl ciu,
                             int maxResponseTime,
                             org.apache.commons.httpclient.HttpClient client,
                             javax.servlet.http.HttpServletRequest req)

Method Detail

loadImage

protected BufferedImage loadImage(String url,
                                  String user,
                                  String pass)
                           throws IOException,
                                  Exception

Description copied from class: ImageCollector

Load the image with a http-get

Overrides:

loadImage in class ImageCollector

Parameters:

url - The url to the image

user - username

pass - password

Returns:

The image

Throws:

IOException - if any

Exception - if any

getBody

public String getBody()

setBody

public void setBody(String body)

getUrlFromXML

protected abstract String getUrlFromXML(String returnXML)
                                 throws XPathExpressionException,
                                        org.jdom.JDOMException,
                                        IOException

Recieve the url from the xml.

Parameters:

returnXML - The xml that is recieved bij doing a post request

Returns:

the url.

Throws:

XPathExpressionException - if any

org.jdom.JDOMException - if any

IOException - if any