thredds.servlet

Class DatasetHandler

java.lang.Object

thredds.servlet.DatasetHandler

public class DatasetHandler
extends java.lang.Object

CDM Datasets. 1) if dataset with ncml, open that 2) if datasetScan with ncml, wrap

Constructor Summary

Constructors

Constructor and Description
DatasetHandler()

Method Summary

Modifier and Type	Method and Description
static thredds.catalog.InvDatasetFeatureCollection	getFeatureCollection(javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse res)
static thredds.catalog.InvDatasetFeatureCollection	getFeatureCollection(javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse res, java.lang.String reqPath)
static ucar.nc2.NetcdfFile	getNetcdfFile(javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse res)
static ucar.nc2.NetcdfFile	getNetcdfFile(javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse res, java.lang.String reqPath)
static java.lang.String	getNetcdfFilePath(javax.servlet.http.HttpServletRequest req, java.lang.String reqPath)
static void	makeDebugActions()
static ucar.nc2.dt.grid.GridDataset	openGridDataset(javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse res, java.lang.String reqPath) Open a file as a GridDataset, using getNetcdfFile(), so that it gets wrapped in NcML if needed.
static ucar.nc2.dt.grid.GridDataset	openGridDataset(javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse res, java.lang.String reqPath, java.util.Set<ucar.nc2.dataset.NetcdfDataset.Enhance> enhanceMode) Open a file as a GridDataset, using getNetcdfFile(), so that it gets wrapped in NcML if needed.
static void	registerDatasetSource(DatasetSource v)
static void	registerDatasetSource(java.lang.String className)
static boolean	resourceControlOk(javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse res, java.lang.String reqPath) Check if this is making a request for a restricted dataset, and if so, if its allowed.

Methods inherited from class java.lang.Object

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

Constructor Detail

DatasetHandler

public DatasetHandler()

Method Detail

makeDebugActions

public static void makeDebugActions()

registerDatasetSource

public static void registerDatasetSource(java.lang.String className)

registerDatasetSource

public static void registerDatasetSource(DatasetSource v)

getNetcdfFile

public static ucar.nc2.NetcdfFile getNetcdfFile(javax.servlet.http.HttpServletRequest req,
                                                javax.servlet.http.HttpServletResponse res)
                                         throws java.io.IOException

Throws:

java.io.IOException

getNetcdfFile

public static ucar.nc2.NetcdfFile getNetcdfFile(javax.servlet.http.HttpServletRequest req,
                                                javax.servlet.http.HttpServletResponse res,
                                                java.lang.String reqPath)
                                         throws java.io.IOException

Throws:

java.io.IOException

getNetcdfFilePath

public static java.lang.String getNetcdfFilePath(javax.servlet.http.HttpServletRequest req,
                                                 java.lang.String reqPath)
                                          throws java.io.IOException

Throws:

java.io.IOException

getFeatureCollection

public static thredds.catalog.InvDatasetFeatureCollection getFeatureCollection(javax.servlet.http.HttpServletRequest req,
                                                                               javax.servlet.http.HttpServletResponse res)
                                                                        throws java.io.IOException

Throws:

java.io.IOException

getFeatureCollection

public static thredds.catalog.InvDatasetFeatureCollection getFeatureCollection(javax.servlet.http.HttpServletRequest req,
                                                                               javax.servlet.http.HttpServletResponse res,
                                                                               java.lang.String reqPath)
                                                                        throws java.io.IOException

Throws:

java.io.IOException

openGridDataset

public static ucar.nc2.dt.grid.GridDataset openGridDataset(javax.servlet.http.HttpServletRequest req,
                                                           javax.servlet.http.HttpServletResponse res,
                                                           java.lang.String reqPath)
                                                    throws java.io.IOException

Open a file as a GridDataset, using getNetcdfFile(), so that it gets wrapped in NcML if needed.

Parameters:

req - the request

res - the response

reqPath - the request path

Returns:

GridDataset

Throws:

java.io.IOException - on read error

openGridDataset

public static ucar.nc2.dt.grid.GridDataset openGridDataset(javax.servlet.http.HttpServletRequest req,
                                                           javax.servlet.http.HttpServletResponse res,
                                                           java.lang.String reqPath,
                                                           java.util.Set<ucar.nc2.dataset.NetcdfDataset.Enhance> enhanceMode)
                                                    throws java.io.IOException

Open a file as a GridDataset, using getNetcdfFile(), so that it gets wrapped in NcML if needed.

Parameters:

req - the request

res - the response

reqPath - the request path

enhanceMode - optional enhance mode or null

Returns:

GridDataset

Throws:

java.io.IOException - on read error

resourceControlOk

public static boolean resourceControlOk(javax.servlet.http.HttpServletRequest req,
                                        javax.servlet.http.HttpServletResponse res,
                                        java.lang.String reqPath)
                                 throws java.io.IOException

Check if this is making a request for a restricted dataset, and if so, if its allowed.

Parameters:

req - the request

res - the response

reqPath - the request path; if null, use req.getPathInfo()

Returns:

true if ok to proceed. If false, the appropriate error or redirect message has been sent, the caller only needs to return.

Throws:

java.io.IOException - on read error