org.openstreetmap.josm.io
Class FileImporter

java.lang.Object
  org.openstreetmap.josm.io.FileImporter

All Implemented Interfaces:

java.lang.Comparable<FileImporter>, MapView.LayerChangeListener

Direct Known Subclasses:

AllFormatsImporter, GpxImporter, JpgImporter, NMEAImporter, OsmChangeImporter, OsmImporter, WMSLayerImporter

public abstract class FileImporter
extends java.lang.Object
implements java.lang.Comparable<FileImporter>, MapView.LayerChangeListener

Field Summary

private boolean	enabled
ExtensionFileFilter	filter

Constructor Summary

FileImporter(ExtensionFileFilter filter)

Method Summary

boolean	acceptFile(java.io.File pathname)
void	activeLayerChange(Layer oldLayer, Layer newLayer) Notifies this listener that the active layer has changed.
int	compareTo(FileImporter other)
static org.apache.tools.bzip2.CBZip2InputStream	getBZip2InputStream(java.io.InputStream in)
static java.util.zip.GZIPInputStream	getGZipInputStream(java.io.InputStream in)
double	getPriority() If multiple files (with multiple file formats) are selected, they are opened in the order of their priorities.
void	importData(java.io.File file, ProgressMonitor progressMonitor) Needs to be implemented if isBatchImporter() returns false.
void	importData(java.util.List<java.io.File> files, ProgressMonitor progressMonitor) Needs to be implemented if isBatchImporter() returns true.
boolean	importDataHandleExceptions(java.io.File f, ProgressMonitor progressMonitor) Wrapper to give meaningful output if things go wrong.
boolean	importDataHandleExceptions(java.util.List<java.io.File> files, ProgressMonitor progressMonitor)
boolean	isBatchImporter() A batch importer is a file importer that prefers to read multiple files at the same time.
boolean	isEnabled() Returns the enabled state of this FileImporter.
void	layerAdded(Layer newLayer) Notifies this listener that a layer has been added.
void	layerRemoved(Layer oldLayer) Notifies this listener that a layer has been removed.
void	setEnabled(boolean enabled) Sets the enabled state of the FileImporter.

Methods inherited from class java.lang.Object

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

Field Detail

filter

public final ExtensionFileFilter filter

enabled

private boolean enabled

Constructor Detail

FileImporter

public FileImporter(ExtensionFileFilter filter)

Method Detail

acceptFile

public boolean acceptFile(java.io.File pathname)

isBatchImporter

public boolean isBatchImporter()

A batch importer is a file importer that prefers to read multiple files at the same time.

importData

public void importData(java.io.File file,
                       ProgressMonitor progressMonitor)
                throws java.io.IOException,
                       IllegalDataException

Needs to be implemented if isBatchImporter() returns false.

Throws:

java.io.IOException

IllegalDataException

importData

public void importData(java.util.List<java.io.File> files,
                       ProgressMonitor progressMonitor)
                throws java.io.IOException,
                       IllegalDataException

Needs to be implemented if isBatchImporter() returns true.

Throws:

java.io.IOException

IllegalDataException

importDataHandleExceptions

public boolean importDataHandleExceptions(java.io.File f,
                                          ProgressMonitor progressMonitor)

Wrapper to give meaningful output if things go wrong.

Returns:

true if data import was successful

importDataHandleExceptions

public boolean importDataHandleExceptions(java.util.List<java.io.File> files,
                                          ProgressMonitor progressMonitor)

getPriority

public double getPriority()

If multiple files (with multiple file formats) are selected, they are opened in the order of their priorities. Highest priority comes first.

compareTo

public int compareTo(FileImporter other)

Specified by:

compareTo in interface java.lang.Comparable<FileImporter>

getBZip2InputStream

public static org.apache.tools.bzip2.CBZip2InputStream getBZip2InputStream(java.io.InputStream in)
                                                                    throws java.io.IOException

Throws:

java.io.IOException

getGZipInputStream

public static java.util.zip.GZIPInputStream getGZipInputStream(java.io.InputStream in)
                                                        throws java.io.IOException

Throws:

java.io.IOException

isEnabled

public final boolean isEnabled()

Returns the enabled state of this FileImporter. When enabled, it is listed and usable in "File->Open" dialog.

Returns:

true if this FileImporter is enabled

Since:

5459

setEnabled

public final void setEnabled(boolean enabled)

Sets the enabled state of the FileImporter. When enabled, it is listed and usable in "File->Open" dialog.

Parameters:

enabled - true to enable this FileImporter, false to disable it

Since:

5459

activeLayerChange

public void activeLayerChange(Layer oldLayer,
                              Layer newLayer)

Description copied from interface: MapView.LayerChangeListener

Notifies this listener that the active layer has changed.

Specified by:

activeLayerChange in interface MapView.LayerChangeListener

Parameters:

oldLayer - The previous active layer

newLayer - The new activer layer

layerAdded

public void layerAdded(Layer newLayer)

Description copied from interface: MapView.LayerChangeListener

Notifies this listener that a layer has been added.

Specified by:

layerAdded in interface MapView.LayerChangeListener

Parameters:

newLayer - The new added layer

layerRemoved

public void layerRemoved(Layer oldLayer)

Description copied from interface: MapView.LayerChangeListener

Notifies this listener that a layer has been removed.

Specified by:

layerRemoved in interface MapView.LayerChangeListener

Parameters:

oldLayer - The old removed layer