org.openstreetmap.josm.data.projection.datum

Class NTV2Proj4DirGridShiftFileSource

java.lang.Object

org.openstreetmap.josm.data.projection.datum.NTV2Proj4DirGridShiftFileSource

All Implemented Interfaces:

NTV2GridShiftFileSource, PlatformVisitor<java.util.List<java.io.File>>

public final class NTV2Proj4DirGridShiftFileSource
extends java.lang.Object
implements NTV2GridShiftFileSource, PlatformVisitor<java.util.List<java.io.File>>

Shift file source that scans the common data directories of the proj4 library.

Since:

12777

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private static class	NTV2Proj4DirGridShiftFileSource.InstanceHolder

Constructor Summary

Constructors

Modifier	Constructor and Description
private	NTV2Proj4DirGridShiftFileSource()

Method Summary

Modifier and Type	Method and Description
static NTV2Proj4DirGridShiftFileSource	getInstance() Get the singleton instance of this class.
java.io.InputStream	getNTV2GridShiftFile(java.lang.String gridFileName) Locate grid file with given name.
private static java.util.List<java.io.File>	visit(java.lang.String prefSuffix, java.lang.String... defaults)
java.util.List<java.io.File>	visitOsx() Visit Platform.OSX
java.util.List<java.io.File>	visitUnixoid() Visit Platform.UNIXOID
java.util.List<java.io.File>	visitWindows() Visit Platform.WINDOWS

Methods inherited from class java.lang.Object

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

Constructor Detail

NTV2Proj4DirGridShiftFileSource

private NTV2Proj4DirGridShiftFileSource()

Method Detail

getInstance

public static NTV2Proj4DirGridShiftFileSource getInstance()

Get the singleton instance of this class.

Returns:

the singleton instance of this class

getNTV2GridShiftFile

public java.io.InputStream getNTV2GridShiftFile(java.lang.String gridFileName)

Description copied from interface: NTV2GridShiftFileSource

Locate grid file with given name.

Specified by:

getNTV2GridShiftFile in interface NTV2GridShiftFileSource

Parameters:

gridFileName - the name of the grid file

Returns:

an input stream for the file data

visit

private static java.util.List<java.io.File> visit(java.lang.String prefSuffix,
                                                  java.lang.String... defaults)

visitUnixoid

public java.util.List<java.io.File> visitUnixoid()

Description copied from interface: PlatformVisitor

Visit Platform.UNIXOID

Specified by:

visitUnixoid in interface PlatformVisitor<java.util.List<java.io.File>>

Returns:

result of the operation

visitWindows

public java.util.List<java.io.File> visitWindows()

Description copied from interface: PlatformVisitor

Visit Platform.WINDOWS

Specified by:

visitWindows in interface PlatformVisitor<java.util.List<java.io.File>>

Returns:

result of the operation

visitOsx

public java.util.List<java.io.File> visitOsx()

Description copied from interface: PlatformVisitor

Visit Platform.OSX

Specified by:

visitOsx in interface PlatformVisitor<java.util.List<java.io.File>>

Returns:

result of the operation