Package skyview.survey

Class XMLSurvey

java.lang.Object

skyview.survey.XMLSurvey

All Implemented Interfaces:

Serializable, Component, Survey

public class XMLSurvey
extends Object
implements Survey

This class defines a survey based upon an XML file which contains the metadata and image information for the survey.

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected class	XMLSurvey.ImageFinderCallBack	The class the is called to find images in the Survey XML file.

Constructor Summary

Constructors

Constructor	Description
XMLSurvey(String file)	Create a survey whose characteristics are given in an XML file.

Method Summary

Modifier and Type	Method	Description
protected void	doParse(SAXParser sp, DefaultHandler handler)	Run a parser
String	getDescription()	Get a description of the component
protected XMLSurvey.ImageFinderCallBack	getFinderCallBack(Position pos, double size, double scale, boolean needImages)
Image[]	getImages(Position pos, double size, double scale)	Find candidate images from this survey.
Map<String,String>	getMetadata()	Get the metadata for the survey
String	getName()	Get the name of the compontent
static Reader	getSurveyReader(String file)	Get a buffered reader associated with the survey given a string name.
void	updateHeader(nom.tam.fits.Header h)	Update a FITS header with information from the XML file
void	updateSettings()	Update the system settings

Methods inherited from class java.lang.Object

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

Constructor Detail

XMLSurvey

public XMLSurvey(String file)

Create a survey whose characteristics are given in an XML file.

Method Detail

getName

public String getName()

Get the name of the compontent

Specified by:

getName in interface Component

getDescription

public String getDescription()

Get a description of the component

Specified by:

getDescription in interface Component

getImages

public Image[] getImages(Position pos,
                         double size,
                         double scale)
                  throws Exception

Find candidate images from this survey.

Specified by:

getImages in interface Survey

Parameters:

pos - A position object.

size - The size (in radians) over which we should look for candidates.

Throws:

Exception

getFinderCallBack

protected XMLSurvey.ImageFinderCallBack getFinderCallBack(Position pos,
                                                          double size,
                                                          double scale,
                                                          boolean needImages)

updateHeader

public void updateHeader(nom.tam.fits.Header h)

Update a FITS header with information from the XML file

Specified by:

updateHeader in interface Survey

getMetadata

public Map<String,String> getMetadata()

Get the metadata for the survey

updateSettings

public void updateSettings()

Update the system settings

Specified by:

updateSettings in interface Survey

doParse

protected void doParse(SAXParser sp,
                       DefaultHandler handler)
                throws Exception

Run a parser

Throws:

Exception

getSurveyReader

public static Reader getSurveyReader(String file)
                              throws IOException

Get a buffered reader associated with the survey given a string name. If the name includes a ? it is assumed that the stream should be filtered.

Throws:

IOException