Package org.openstreetmap.josm.tools

Class Tag2Link

java.lang.Object

org.openstreetmap.josm.tools.Tag2Link

public final class Tag2Link
extends java.lang.Object

Extracts web links from OSM tags.

The following rules are used:

• internal rules for basic tags
• rules from Wikidata based on OSM tag or key (P1282); formatter URL (P1630); third-party formatter URL (P3303)
• rules from OSM Sophox based on permanent key ID (P16); formatter URL (P8)

Since:

15673

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	Tag2Link.LinkConsumer	Represents an operation that accepts a link.

Field Summary

Fields

Modifier and Type	Field	Description
(package private) static java.lang.String	languagePattern
private static java.util.regex.Pattern	PATTERN_DOLLAR_ONE
(package private) static CachingProperty<java.util.List<java.lang.String>>	PREF_SEARCH_ENGINES
(package private) static ListProperty	PREF_SOURCE
(package private) static java.util.Map<java.lang.String,java.util.function.UnaryOperator<java.lang.String>>	valueFormatter
(package private) static MultiMap<java.lang.String,java.lang.String>	wikidataRules	Maps OSM keys to formatter URLs from Wikidata and OSM Sophox where "$1" has to be replaced by a value.

Constructor Summary

Constructors

Modifier	Constructor	Description
private	Tag2Link()

Method Summary

Modifier and Type	Method	Description
private static java.lang.String	getHost(java.lang.String url, java.lang.String fallback)
private static java.lang.String	getLinkName(java.lang.String url, java.lang.String fallback)
static void	getLinksForTag(java.lang.String key, java.lang.String value, Tag2Link.LinkConsumer linkConsumer)	Generates the links for the tag given by key and value, and sends 0, 1 or more links to the linkConsumer.
private static java.lang.String	getWikimediaCommonsUrl(java.lang.String i)
static void	initialize()	Initializes the tag2link rules
private static void	initializeFromResources(CachedFile resource)	Initializes the tag2link rules from the resources.

Methods inherited from class java.lang.Object

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

Field Detail

wikidataRules

static final MultiMap<java.lang.String,java.lang.String> wikidataRules

Maps OSM keys to formatter URLs from Wikidata and OSM Sophox where "$1" has to be replaced by a value.

valueFormatter

static final java.util.Map<java.lang.String,java.util.function.UnaryOperator<java.lang.String>> valueFormatter

languagePattern

static final java.lang.String languagePattern

PREF_SOURCE

static final ListProperty PREF_SOURCE

PREF_SEARCH_ENGINES

static final CachingProperty<java.util.List<java.lang.String>> PREF_SEARCH_ENGINES

PATTERN_DOLLAR_ONE

private static final java.util.regex.Pattern PATTERN_DOLLAR_ONE

Constructor Detail

Tag2Link

private Tag2Link()

Method Detail

initialize

public static void initialize()

Initializes the tag2link rules

initializeFromResources

private static void initializeFromResources(CachedFile resource)
                                     throws java.io.IOException

Initializes the tag2link rules from the resources.

Parameters:

resource - the source

Throws:

java.io.IOException - in case of I/O error

getLinksForTag

public static void getLinksForTag(java.lang.String key,
                                  java.lang.String value,
                                  Tag2Link.LinkConsumer linkConsumer)

Generates the links for the tag given by key and value, and sends 0, 1 or more links to the linkConsumer.

Parameters:

key - the tag key

value - the tag value

linkConsumer - the receiver of the generated links

getWikimediaCommonsUrl

private static java.lang.String getWikimediaCommonsUrl(java.lang.String i)

getLinkName

private static java.lang.String getLinkName(java.lang.String url,
                                            java.lang.String fallback)

getHost

private static java.lang.String getHost(java.lang.String url,
                                        java.lang.String fallback)