/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.tika.metadata;
/**
* A collection of Dublin Core metadata names.
*
* @see <a href="http://dublincore.org">dublincore.org</a>
*/
public interface DublinCore {
public static final String NAMESPACE_URI_DC = "http://purl.org/dc/elements/1.1/";
public static final String NAMESPACE_URI_DC_TERMS = "http://purl.org/dc/terms/";
public static final String PREFIX_DC = "dc";
public static final String PREFIX_DC_TERMS = "dcterms";
/**
* Typically, Format may include the media-type or dimensions of the
* resource. Format may be used to determine the software, hardware or
* other equipment needed to display or operate the resource. Examples
* of dimensions include size and duration. Recommended best practice is
* to select a value from a controlled vocabulary (for example, the list
* of Internet Media Types [MIME] defining computer media formats).
*/
Property FORMAT = Property.internalText(
PREFIX_DC + Metadata.NAMESPACE_PREFIX_DELIMITER + "format");
/**
* Recommended best practice is to identify the resource by means of
* a string or number conforming to a formal identification system.
* Example formal identification systems include the Uniform Resource
* Identifier (URI) (including the Uniform Resource Locator (URL)),
* the Digital Object Identifier (DOI) and the International Standard
* Book Number (ISBN).
*/
Property IDENTIFIER = Property.internalText(
PREFIX_DC + Metadata.NAMESPACE_PREFIX_DELIMITER + "identifier");
/**
* Date on which the resource was changed.
*/
Property MODIFIED = Property.internalDate(
PREFIX_DC_TERMS + Metadata.NAMESPACE_PREFIX_DELIMITER + "modified");
/**
* An entity responsible for making contributions to the content of the
* resource. Examples of a Contributor include a person, an organisation,
* or a service. Typically, the name of a Contributor should be used to
* indicate the entity.
*/
Property CONTRIBUTOR = Property.internalTextBag(
PREFIX_DC + Metadata.NAMESPACE_PREFIX_DELIMITER + "contributor");
/**
* The extent or scope of the content of the resource. Coverage will
* typically include spatial location (a place name or geographic
* coordinates), temporal period (a period label, date, or date range)
* or jurisdiction (such as a named administrative entity). Recommended
* best practice is to select a value from a controlled vocabulary (for
* example, the Thesaurus of Geographic Names [TGN]) and that, where
* appropriate, named places or time periods be used in preference to
* numeric identifiers such as sets of coordinates or date ranges.
*/
Property COVERAGE = Property.internalText(
PREFIX_DC + Metadata.NAMESPACE_PREFIX_DELIMITER + "coverage");
/**
* An entity primarily responsible for making the content of the resource.
* Examples of a Creator include a person, an organisation, or a service.
* Typically, the name of a Creator should be used to indicate the entity.
*/
Property CREATOR = Property.internalTextBag(
PREFIX_DC + Metadata.NAMESPACE_PREFIX_DELIMITER + "creator");
/**
* Date of creation of the resource.
*/
Property CREATED = Property.internalDate(
PREFIX_DC_TERMS + Metadata.NAMESPACE_PREFIX_DELIMITER + "created");
/**
* A date associated with an event in the life cycle of the resource.
* Typically, Date will be associated with the creation or availability of
* the resource. Recommended best practice for encoding the date value is
* defined in a profile of ISO 8601 [W3CDTF] and follows the YYYY-MM-DD
* format.
*/
Property DATE = Property.internalDate(
PREFIX_DC + Metadata.NAMESPACE_PREFIX_DELIMITER + "date");
/**
* An account of the content of the resource. Description may include
* but is not limited to: an abstract, table of contents, reference to
* a graphical representation of content or a free-text account of
* the content.
*/
Property DESCRIPTION = Property.internalText(
PREFIX_DC + Metadata.NAMESPACE_PREFIX_DELIMITER + "description");
/**
* A language of the intellectual content of the resource. Recommended
* best practice is to use RFC 3066 [RFC3066], which, in conjunction
* with ISO 639 [ISO639], defines two- and three-letter primary language
* tags with optional subtags. Examples include "en" or "eng" for English,
* "akk" for Akkadian, and "en-GB" for English used in the United Kingdom.
*/
Property LANGUAGE = Property.internalText(
PREFIX_DC + Metadata.NAMESPACE_PREFIX_DELIMITER + "language");
/**
* An entity responsible for making the resource available. Examples of
* a Publisher include a person, an organisation, or a service. Typically,
* the name of a Publisher should be used to indicate the entity.
*/
Property PUBLISHER = Property.internalText(
PREFIX_DC + Metadata.NAMESPACE_PREFIX_DELIMITER + "publisher");
/**
* A reference to a related resource. Recommended best practice is to
* reference the resource by means of a string or number conforming to
* a formal identification system.
*/
Property RELATION = Property.internalText(
PREFIX_DC + Metadata.NAMESPACE_PREFIX_DELIMITER + "relation");
/**
* Information about rights held in and over the resource. Typically,
* a Rights element will contain a rights management statement for
* the resource, or reference a service providing such information.
* Rights information often encompasses Intellectual Property Rights
* (IPR), Copyright, and various Property Rights. If the Rights element
* is absent, no assumptions can be made about the status of these and
* other rights with respect to the resource.
*/
Property RIGHTS = Property.internalText(
PREFIX_DC + Metadata.NAMESPACE_PREFIX_DELIMITER + "rights");
/**
* A reference to a resource from which the present resource is derived.
* The present resource may be derived from the Source resource in whole
* or in part. Recommended best practice is to reference the resource by
* means of a string or number conforming to a formal identification
* system.
*/
Property SOURCE = Property.internalText(
PREFIX_DC + Metadata.NAMESPACE_PREFIX_DELIMITER + "source");
/**
* The topic of the content of the resource. Typically, a Subject will
* be expressed as keywords, key phrases or classification codes that
* describe a topic of the resource. Recommended best practice is to
* select a value from a controlled vocabulary or formal classification
* scheme.
*/
Property SUBJECT = Property.internalTextBag(
PREFIX_DC + Metadata.NAMESPACE_PREFIX_DELIMITER + "subject");
/**
* A name given to the resource. Typically, a Title will be a name by
* which the resource is formally known.
*/
Property TITLE = Property.internalText(
PREFIX_DC + Metadata.NAMESPACE_PREFIX_DELIMITER + "title");
/**
* The nature or genre of the content of the resource. Type includes terms
* describing general categories, functions, genres, or aggregation levels
* for content. Recommended best practice is to select a value from a
* controlled vocabulary (for example, the DCMI Type Vocabulary
* [DCMITYPE]). To describe the physical or digital manifestation of
* the resource, use the Format element.
*/
Property TYPE = Property.internalText(
PREFIX_DC + Metadata.NAMESPACE_PREFIX_DELIMITER + "type");
}