thredds.core

Class DatasetHandler

java.lang.Object

thredds.core.DatasetHandler

public class DatasetHandler
extends java.lang.Object

Access to CDM Datasets as NetcdfFile or GridDataset. 1) if dataset with ncml, open that 2) if datasetScan with ncml, wrap

Since:

1/23/2015

Constructor Summary

Constructors

Constructor and Description
DatasetHandler()

Method Summary

Modifier and Type	Method and Description
static java.lang.String	findResourceControl(java.lang.String path) Find the longest match for this path.
static thredds.server.catalog.FeatureCollection	getFeatureCollection(javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse res)
static thredds.server.catalog.FeatureCollection	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.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.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.server.catalog.FeatureCollection getFeatureCollection(javax.servlet.http.HttpServletRequest req,
                                                                            javax.servlet.http.HttpServletResponse res)
                                                                     throws java.io.IOException

Throws:

java.io.IOException

getFeatureCollection

public static thredds.server.catalog.FeatureCollection 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.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.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

findResourceControl

public static java.lang.String findResourceControl(java.lang.String path)

Find the longest match for this path.

Parameters:

path - the complete path name of the dataset

Returns:

ResourceControl for this dataset, or null if none

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