| /* |
| * 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.internal.simple; |
| |
| import java.util.Objects; |
| import java.io.Serializable; |
| import org.opengis.util.InternationalString; |
| import org.opengis.metadata.Identifier; |
| import org.opengis.metadata.citation.Citation; |
| import org.opengis.metadata.extent.Extent; |
| import org.opengis.referencing.IdentifiedObject; |
| import org.opengis.referencing.ReferenceIdentifier; |
| import org.apache.sis.internal.metadata.Identifiers; |
| import org.apache.sis.internal.util.Constants; |
| import org.apache.sis.util.LenientComparable; |
| import org.apache.sis.util.ComparisonMode; |
| |
| import static org.apache.sis.util.collection.Containers.isNullOrEmpty; |
| |
| |
| /** |
| * A trivial implementation of {@link IdentifiedObject} containing only a primary name. |
| * |
| * @author Guilhem Legal (Geomatys) |
| * @author Martin Desruisseaux (Geomatys) |
| * @version 0.5 |
| * |
| * @see org.apache.sis.referencing.AbstractIdentifiedObject |
| * |
| * @since 0.5 |
| * @module |
| */ |
| public class SimpleIdentifiedObject implements IdentifiedObject, LenientComparable, Serializable { |
| /** |
| * For cross-version compatibility. |
| */ |
| private static final long serialVersionUID = 5297493321524903545L; |
| |
| /** |
| * The primary name by which this object is identified. |
| */ |
| protected ReferenceIdentifier name; |
| |
| /** |
| * Creates an identified object without identifier. |
| * This constructor is mainly for JAXB. |
| */ |
| protected SimpleIdentifiedObject() { |
| } |
| |
| /** |
| * Creates an identified object with the same identifier than the given one. |
| * |
| * @param object the identified object to partially copy. |
| */ |
| public SimpleIdentifiedObject(final IdentifiedObject object) { |
| name = object.getName(); |
| } |
| |
| /** |
| * Creates an identified object with the given identifier. |
| * |
| * @param name the primary name by which this object is identified. |
| */ |
| public SimpleIdentifiedObject(final ReferenceIdentifier name) { |
| this.name = name; |
| } |
| |
| /** |
| * Returns the primary name by which this object is identified. |
| * |
| * @return the identifier given at construction time. |
| */ |
| @Override |
| public ReferenceIdentifier getName() { |
| return name; |
| } |
| |
| /** |
| * Method required by most {@link IdentifiedObject} sub-interfaces. |
| * Current implementation returns {@code null}. |
| * |
| * <p>If a future version allows this method to returns a non-null value, |
| * revisit {@link #equals(Object, ComparisonMode)} in subclasses.</p> |
| * |
| * @return the domain of validity, or {@code null} if none. |
| */ |
| public final Extent getDomainOfValidity() { |
| return null; |
| } |
| |
| /** |
| * Method required by most {@link IdentifiedObject} sub-interfaces. |
| * Current implementation returns {@code null}. |
| * |
| * <p>If a future version allows this method to returns a non-null value, |
| * revisit {@link #equals(Object, ComparisonMode)} in subclasses.</p> |
| * |
| * @return the scope, or {@code null} if none. |
| */ |
| public final InternationalString getScope() { |
| return null; |
| } |
| |
| /** |
| * Returns a hash code value for this object. |
| */ |
| @Override |
| public final int hashCode() { |
| int code = (int) serialVersionUID; |
| final Identifier name = getName(); |
| if (name != null) { |
| code ^= name.hashCode(); |
| } |
| return code; |
| } |
| |
| /** |
| * Compares this object with the given one for equality. |
| * |
| * @param object the object to compare with this reference system. |
| * @return {@code true} if both objects are equal. |
| */ |
| @Override |
| public final boolean equals(final Object object) { |
| return equals(object, ComparisonMode.STRICT); |
| } |
| |
| /** |
| * Compares this object with the given one for equality. |
| * This method compares the {@linkplain #name} only in "strict" or "by contract" modes. |
| * If name is a critical component of this object, then it shall be compared by the subclass. |
| * This behavior is consistent with {@link org.apache.sis.referencing.AbstractIdentifiedObject}. |
| * |
| * @param object the object to compare with this identified object. |
| * @param mode the strictness level of the comparison. |
| * @return {@code true} if both objects are equal. |
| */ |
| @Override |
| public boolean equals(final Object object, final ComparisonMode mode) { |
| if (object == this) { |
| return true; |
| } |
| if (object instanceof IdentifiedObject) { |
| if (mode != ComparisonMode.STRICT || object.getClass() == getClass()) { |
| if (mode.isIgnoringMetadata()) { |
| return true; |
| } |
| final IdentifiedObject that = (IdentifiedObject) object; |
| return Objects.equals(getName(), that.getName()) && |
| isNullOrEmpty(that.getIdentifiers()) && |
| isNullOrEmpty(that.getAlias()) && |
| that.getRemarks() == null; |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Returns a pseudo-WKT representation for debugging purpose. |
| */ |
| @Override |
| public String toString() { |
| final String code, codespace; |
| final Citation authority; |
| final Identifier name = this.name; |
| if (name != null) { |
| code = name.getCode(); |
| codespace = name.getCodeSpace(); |
| authority = name.getAuthority(); |
| } else { |
| code = null; |
| codespace = null; |
| authority = null; |
| } |
| final StringBuilder buffer = new StringBuilder("IdentifiedObject[\""); |
| if (codespace != null) { |
| buffer.append(codespace).append(Constants.DEFAULT_SEPARATOR); |
| } |
| buffer.append(code).append('"'); |
| final String identifier = Identifiers.getIdentifier(authority, true); |
| if (identifier != null) { |
| buffer.append(", Id[\"").append(identifier).append("\"]"); // "Id" should be consistent with WKTKeywords.Id. |
| } |
| return buffer.append(']').toString(); |
| } |
| } |