com.atakmap.android.data

Class FileContentResolver

java.lang.Object

com.atakmap.android.data.FileContentResolver

All Implemented Interfaces:

URIContentResolver, URIQueryInterface, VisibilityListener

Direct Known Subclasses:

AbstractLayerContentResolver, GeoPackageContentResolver, KMZContentResolver, ModelContentResolver, SpatialDbContentResolver, VideoContentResolver

public class FileContentResolver
extends java.lang.Object
implements URIContentResolver, URIQueryInterface, VisibilityListener

Content resolver specifically for file URIs

Field Summary

Fields

Modifier and Type	Field and Description
protected java.util.Map<java.lang.String,FileContentHandler>	_handlers
protected java.util.Set<java.lang.String>	_validExts

Constructor Summary

Constructors

Constructor and Description
FileContentResolver(java.util.Set<java.lang.String> validExts)

Method Summary

Modifier and Type	Method and Description
void	addHandler(FileContentHandler handler)
boolean	addHandler(FileContentHandler handler, boolean allowUpdate) Add a new handler to the cache and notify listeners
void	dispose()
FileContentHandler	getHandler(java.io.File f) Get a content handler for a given file
FileContentHandler	getHandler(java.lang.String tool, java.lang.String uri) Given a tool name and content URI, create or obtain a content handler
protected java.util.List<FileContentHandler>	getHandlers()
void	onVisibilityConditions(java.util.List<VisibilityCondition> conditions) Visibility conditions have changed or should be processed This is where implementations should go through their contents and apply visibility based on these conditions
java.util.List<URIContentHandler>	query(URIQueryParameters params) Query a list of content using specific parameters
void	removeHandler(java.io.File file) Remove a file-based content handler

Methods inherited from class java.lang.Object

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

Field Detail

_validExts

protected final java.util.Set<java.lang.String> _validExts

_handlers

protected final java.util.Map<java.lang.String,FileContentHandler> _handlers

Constructor Detail

FileContentResolver

public FileContentResolver(java.util.Set<java.lang.String> validExts)

Method Detail

dispose

public void dispose()

getHandler

public FileContentHandler getHandler(java.lang.String tool,
                                     java.lang.String uri)

Description copied from interface: URIContentResolver

Given a tool name and content URI, create or obtain a content handler

Specified by:

getHandler in interface URIContentResolver

Parameters:

tool - Tool name (may be null if N/A)

uri - Content URI

Returns:

URI content handler or null if not supported

getHandler

public FileContentHandler getHandler(java.io.File f)

Get a content handler for a given file

Parameters:

f - File

Returns:

File content handler

addHandler

public boolean addHandler(FileContentHandler handler,
                          boolean allowUpdate)

Add a new handler to the cache and notify listeners

Parameters:

handler - File-based content handler

allowUpdate - True to update existing handlers, false to ignore add

Returns:

True if new handler added

addHandler

public void addHandler(FileContentHandler handler)

removeHandler

public void removeHandler(java.io.File file)

Remove a file-based content handler

Parameters:

file - File

getHandlers

protected java.util.List<FileContentHandler> getHandlers()

query

public java.util.List<URIContentHandler> query(URIQueryParameters params)

Description copied from interface: URIQueryInterface

Query a list of content using specific parameters

Specified by:

query in interface URIQueryInterface

Parameters:

params - Query parameters

Returns:

List of matching content

onVisibilityConditions

public void onVisibilityConditions(java.util.List<VisibilityCondition> conditions)

Description copied from interface: VisibilityListener

Visibility conditions have changed or should be processed This is where implementations should go through their contents and apply visibility based on these conditions

Specified by:

onVisibilityConditions in interface VisibilityListener

Parameters:

conditions - List of visibility conditions