Package org.openjump.core.ui.io.file

Class AbstractFileLayerLoader

java.lang.Object

org.openjump.core.ui.io.file.AbstractFileLayerLoader

All Implemented Interfaces:

FileLayerLoader

Direct Known Subclasses:

DataSourceFileLayerLoader, ReferencedImageFactoryFileLayerLoader

public abstract class AbstractFileLayerLoader
extends Object
implements FileLayerLoader

A base implementation of FileLayerLoader.

Author:

Paul Austin

Field Summary

Fields

Modifier and Type	Field	Description
static Comparator	PRIO_COMPARATOR

Fields inherited from interface org.openjump.core.ui.io.file.FileLayerLoader

KEY

Constructor Summary

Constructors

Constructor	Description
AbstractFileLayerLoader()	default constructor for xml persistence
AbstractFileLayerLoader(String description, List<String> extensions)	Construct a new AbstractFileLayerLoader with a description and list of extensions.

Method Summary

Modifier and Type	Method	Description
boolean	addFileExtensions(List<String> newexts)	Add to the list of file extensions supported by the plug-in.
void	addOption(String name, String type, boolean required)	Add an option.
void	addOption(String name, String type, Object defaultValue, boolean required)	Add an option.
String	getDescription()	Get the descriptive name of the file format (e.g.
Collection<String>	getFileExtensions()	Get the list of file extensions supported by the plug-in.
List<Option>	getOptionMetadata()	Get the list of Options supported by the plug-in.
boolean	removeOption(String name, String type, boolean required)	Remove an option.
boolean	removeOption(String name, String type, Object defaultValue, boolean required)	Remove an option.
String	toString()	Return a string representation of the loader.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.openjump.core.ui.io.file.FileLayerLoader

open

Field Detail

PRIO_COMPARATOR

public static final Comparator PRIO_COMPARATOR

Constructor Detail

AbstractFileLayerLoader

public AbstractFileLayerLoader()

default constructor for xml persistence

AbstractFileLayerLoader

public AbstractFileLayerLoader(String description,
                               List<String> extensions)

Construct a new AbstractFileLayerLoader with a description and list of extensions.

Parameters:

description - The format description.

extensions - The supported file extension.

Method Detail

getDescription

public String getDescription()

Get the descriptive name of the file format (e.g. ESRI Shapefile).

Specified by:

getDescription in interface FileLayerLoader

Returns:

The file format name.

getFileExtensions

public Collection<String> getFileExtensions()

Get the list of file extensions supported by the plug-in.

Specified by:

getFileExtensions in interface FileLayerLoader

Returns:

The list of file extensions.

addFileExtensions

public boolean addFileExtensions(List<String> newexts)

Add to the list of file extensions supported by the plug-in.

Parameters:

newexts - list of extensions

Returns:

true on success

addOption

public void addOption(String name,
                      String type,
                      boolean required)

Add an option.

Parameters:

name - The name of the option.

type - The type of the option.

required - True if a value for the option is required.

See Also:

Option

addOption

public void addOption(String name,
                      String type,
                      Object defaultValue,
                      boolean required)

Add an option.

Parameters:

name - The name of the option.

type - The type of the option.

defaultValue - The defaultValue of the option.

required - True if a value for the option is required.

See Also:

Option

removeOption

public boolean removeOption(String name,
                            String type,
                            boolean required)

Remove an option.

Parameters:

name - The name of the option.

type - The type of the option.

required - True if a value for the option is required.

Returns:

true if this list contained the specified option

See Also:

Option

removeOption

public boolean removeOption(String name,
                            String type,
                            Object defaultValue,
                            boolean required)

Remove an option.

Parameters:

name - The name of the option.

type - The type of the option.

defaultValue - The defaultValue of the option.

required - True if a value for the option is required.

See Also:

Option

getOptionMetadata

public List<Option> getOptionMetadata()

Get the list of Options supported by the plug-in.

Specified by:

getOptionMetadata in interface FileLayerLoader

Returns:

The list of Options.

toString

public String toString()

Return a string representation of the loader.

Overrides:

toString in class Object

Returns:

The string.