org.gbif.api.util

Class MachineTagUtils

java.lang.Object

org.gbif.api.util.MachineTagUtils

public class MachineTagUtils
extends Object

Utility class to simplify your life when dealing with machine tags.

Method Summary

Modifier and Type	Method and Description
static <T extends MachineTaggable> List<T>	filter(List<T> source, String namespace, String name, String value) Returns a copy of the original list of machine taggable entities, that have the machine tag.
static MachineTag	firstTag(MachineTaggable taggable, String namespace, String tagName)
static <T> T	firstTag(MachineTaggable taggable, String namespace, String tagName, Function<MachineTag,T> function)
static MachineTag	firstTag(MachineTaggable taggable, TagName tagName)
static <T> T	firstTag(MachineTaggable taggable, TagName tagName, Function<MachineTag,T> function)
static List<MachineTag>	list(MachineTaggable taggable, String namespace, String tagName)
static List<MachineTag>	list(MachineTaggable taggable, TagName tagName)
static List<MachineTag>	list(MachineTaggable taggable, TagNamespace tagNamespace)
static List<MachineTag>	listByPrefix(MachineTaggable taggable, String namespace, String prefix)
static Double	tagValueAsDouble(MachineTag tag)
static Integer	tagValueAsInteger(MachineTag tag)

Methods inherited from class java.lang.Object

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

Method Detail

filter

public static <T extends MachineTaggable> List<T> filter(List<T> source,
                                                         @Nullable
                                                         String namespace,
                                                         @Nullable
                                                         String name,
                                                         @Nullable
                                                         String value)

Returns a copy of the original list of machine taggable entities, that have the machine tag.

tagValueAsInteger

public static Integer tagValueAsInteger(MachineTag tag)

Returns:

the int value for the given machine tag or zero if its no valid integer or null

tagValueAsDouble

public static Double tagValueAsDouble(MachineTag tag)

Returns:

the double value for the given machine tag or zero if its no valid double or null

firstTag

public static MachineTag firstTag(MachineTaggable taggable,
                                  TagName tagName)

Returns:

the first machine tag that with the given TagName.

firstTag

public static MachineTag firstTag(MachineTaggable taggable,
                                  String namespace,
                                  String tagName)

Returns:

the first machine tag that with the given namespace and name.

firstTag

public static <T> T firstTag(MachineTaggable taggable,
                             TagName tagName,
                             Function<MachineTag,T> function)

Returns:

the result of applying the supplied function to the first machine tag with the given TagName.

firstTag

public static <T> T firstTag(MachineTaggable taggable,
                             String namespace,
                             String tagName,
                             Function<MachineTag,T> function)

Returns:

the result of applying the supplied function to the first machine tag with the given namespace and name.

list

public static List<MachineTag> list(MachineTaggable taggable,
                                    TagNamespace tagNamespace)

Returns:

a new list of machine tags which have the given tagNamespace.

list

public static List<MachineTag> list(MachineTaggable taggable,
                                    TagName tagName)

Returns:

a new list of machine tags which have the given tagName.

list

public static List<MachineTag> list(MachineTaggable taggable,
                                    String namespace,
                                    String tagName)

Returns:

a new list of machine tags which have the given namespace and name.

listByPrefix

public static List<MachineTag> listByPrefix(MachineTaggable taggable,
                                            String namespace,
                                            String prefix)

Returns:

a new list of machine tags which have the given namespace and a name starting with a common prefix.