| /* |
| * 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.sis.metadata.iso.identification; |
| |
| import java.util.Collection; |
| import jakarta.xml.bind.annotation.XmlType; |
| import jakarta.xml.bind.annotation.XmlElement; |
| import jakarta.xml.bind.annotation.XmlRootElement; |
| import jakarta.xml.bind.annotation.adapters.XmlJavaTypeAdapter; |
| import org.opengis.util.InternationalString; |
| import org.opengis.metadata.citation.Citation; |
| import org.opengis.metadata.identification.Keywords; |
| import org.opengis.metadata.identification.KeywordType; |
| import org.apache.sis.xml.bind.metadata.MD_KeywordClass; |
| import org.apache.sis.metadata.iso.ISOMetadata; |
| import org.apache.sis.util.iso.Types; |
| |
| // Specific to the main branch: |
| import org.opengis.annotation.UML; |
| import static org.opengis.annotation.Obligation.OPTIONAL; |
| import static org.opengis.annotation.Specification.ISO_19115; |
| |
| |
| /** |
| * Keywords, their type and reference source. |
| * The following property is mandatory in a well-formed metadata according ISO 19115: |
| * |
| * <div class="preformat">{@code MD_Keywords} |
| * {@code └─keyword……} Commonly used word(s) or formalised word(s) or phrase(s) used to describe the subject.</div> |
| * |
| * <h2>Limitations</h2> |
| * <ul> |
| * <li>Instances of this class are not synchronized for multi-threading. |
| * Synchronization, if needed, is caller's responsibility.</li> |
| * <li>Serialized objects of this class are not guaranteed to be compatible with future Apache SIS releases. |
| * Serialization support is appropriate for short term storage or RMI between applications running the |
| * same version of Apache SIS. For long term storage, use {@link org.apache.sis.xml.XML} instead.</li> |
| * </ul> |
| * |
| * @author Martin Desruisseaux (IRD, Geomatys) |
| * @author Touraïvane (IRD) |
| * @author Cédric Briançon (Geomatys) |
| * @author Cullen Rombach (Image Matters) |
| * @version 1.4 |
| * @since 0.3 |
| */ |
| @XmlType(name = "MD_Keywords_Type", propOrder = { |
| "keywords", |
| "type", |
| "thesaurusName", |
| "keywordClass" |
| }) |
| @XmlRootElement(name = "MD_Keywords") |
| public class DefaultKeywords extends ISOMetadata implements Keywords { |
| /** |
| * Serial number for compatibility with different versions. |
| */ |
| private static final long serialVersionUID = -2765705888428016211L; |
| |
| /** |
| * Commonly used word(s) or formalised word(s) or phrase(s) used to describe the subject. |
| */ |
| @SuppressWarnings("serial") |
| private Collection<InternationalString> keywords; |
| |
| /** |
| * Subject matter used to group similar keywords. |
| */ |
| private KeywordType type; |
| |
| /** |
| * Name of the formally registered thesaurus or a similar authoritative source of keywords. |
| */ |
| @SuppressWarnings("serial") |
| private Citation thesaurusName; |
| |
| /** |
| * User-defined categorization of groups of keywords that extend or are orthogonal |
| * to the standardized {@linkplain #getType() keyword type} codes. |
| */ |
| @SuppressWarnings("serial") |
| private DefaultKeywordClass keywordClass; |
| |
| /** |
| * Constructs an initially empty keywords. |
| */ |
| public DefaultKeywords() { |
| } |
| |
| /** |
| * Creates keywords initialized to the given key word. |
| * |
| * @param keywords commonly used words or formalised words or phrases used to describe the subject, |
| * or {@code null} if none. |
| */ |
| public DefaultKeywords(final CharSequence... keywords) { |
| if (keywords != null) { |
| for (final CharSequence keyword : keywords) { |
| final InternationalString i18n = Types.toInternationalString(keyword); |
| if (this.keywords == null) { |
| this.keywords = singleton(i18n, InternationalString.class); |
| } else { |
| this.keywords.add(i18n); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Constructs a new instance initialized with the values from the specified metadata object. |
| * This is a <em>shallow</em> copy constructor, because the other metadata contained in the |
| * given object are not recursively copied. |
| * |
| * @param object the metadata to copy values from, or {@code null} if none. |
| * |
| * @see #castOrCopy(Keywords) |
| */ |
| public DefaultKeywords(final Keywords object) { |
| super(object); |
| if (object != null) { |
| keywords = copyCollection(object.getKeywords(), InternationalString.class); |
| type = object.getType(); |
| thesaurusName = object.getThesaurusName(); |
| } |
| } |
| |
| /** |
| * Returns a SIS metadata implementation with the values of the given arbitrary implementation. |
| * This method performs the first applicable action in the following choices: |
| * |
| * <ul> |
| * <li>If the given object is {@code null}, then this method returns {@code null}.</li> |
| * <li>Otherwise if the given object is already an instance of |
| * {@code DefaultKeywords}, then it is returned unchanged.</li> |
| * <li>Otherwise a new {@code DefaultKeywords} instance is created using the |
| * {@linkplain #DefaultKeywords(Keywords) copy constructor} and returned. |
| * Note that this is a <em>shallow</em> copy operation, because the other |
| * metadata contained in the given object are not recursively copied.</li> |
| * </ul> |
| * |
| * @param object the object to get as a SIS implementation, or {@code null} if none. |
| * @return a SIS implementation containing the values of the given object (may be the |
| * given object itself), or {@code null} if the argument was null. |
| */ |
| public static DefaultKeywords castOrCopy(final Keywords object) { |
| if (object == null || object instanceof DefaultKeywords) { |
| return (DefaultKeywords) object; |
| } |
| return new DefaultKeywords(object); |
| } |
| |
| /** |
| * Returns commonly used word(s) or formalised word(s) or phrase(s) used to describe the subject. |
| * |
| * @return word(s) or phrase(s) used to describe the subject. |
| */ |
| @Override |
| @XmlElement(name = "keyword", required = true) |
| public Collection<InternationalString> getKeywords() { |
| return keywords = nonNullCollection(keywords, InternationalString.class); |
| } |
| |
| /** |
| * Sets commonly used word(s) or formalised word(s) or phrase(s) used to describe the subject. |
| * |
| * @param newValues the new keywords. |
| */ |
| public void setKeywords(final Collection<? extends InternationalString> newValues) { |
| keywords = writeCollection(newValues, keywords, InternationalString.class); |
| } |
| |
| /** |
| * Returns the subject matter used to group similar keywords. |
| * |
| * @return subject matter used to group similar keywords, or {@code null}. |
| */ |
| @Override |
| @XmlElement(name = "type") |
| public KeywordType getType() { |
| return type; |
| } |
| |
| /** |
| * Sets the subject matter used to group similar keywords. |
| * |
| * @param newValue the new keyword type. |
| */ |
| public void setType(final KeywordType newValue) { |
| checkWritePermission(type); |
| type = newValue; |
| } |
| |
| /** |
| * Returns the name of the formally registered thesaurus or a similar authoritative source of keywords. |
| * |
| * @return name of registered thesaurus or similar authoritative source of keywords, or {@code null}. |
| */ |
| @Override |
| @XmlElement(name = "thesaurusName") |
| public Citation getThesaurusName() { |
| return thesaurusName; |
| } |
| |
| /** |
| * Sets the name of the formally registered thesaurus or a similar authoritative source of keywords. |
| * |
| * @param newValue the new thesaurus name. |
| */ |
| public void setThesaurusName(final Citation newValue) { |
| checkWritePermission(thesaurusName); |
| thesaurusName = newValue; |
| } |
| |
| /** |
| * Returns the user-defined categorization of groups of keywords that extend or |
| * are orthogonal to the standardized {@linkplain #getType() keyword type} codes. |
| * |
| * <div class="warning"><b>Upcoming API change — generalization</b><br> |
| * The element type will be changed to the {@code KeywordClass} interface |
| * when GeoAPI will provide it (tentatively in GeoAPI 3.1). |
| * </div> |
| * |
| * @return user-defined categorization of groups of keywords, or {@code null} if none. |
| * |
| * @since 0.5 |
| */ |
| @XmlElement(name = "keywordClass") |
| @XmlJavaTypeAdapter(MD_KeywordClass.Since2014.class) |
| @UML(identifier="keywordClass", obligation=OPTIONAL, specification=ISO_19115) |
| public DefaultKeywordClass getKeywordClass() { |
| return keywordClass; |
| } |
| |
| /** |
| * Sets the user-defined categorization of groups of keywords. |
| * |
| * <div class="warning"><b>Upcoming API change — generalization</b><br> |
| * The argument type will be changed to the {@code KeywordClass} interface when GeoAPI will provide it |
| * (tentatively in GeoAPI 3.1).</div> |
| * |
| * @param newValue new user-defined categorization of groups of keywords. |
| * |
| * @since 0.5 |
| */ |
| public void setKeywordClass(final DefaultKeywordClass newValue) { |
| checkWritePermission(keywordClass); |
| keywordClass = newValue; |
| } |
| } |