| /* |
| * 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.referencing.crs; |
| |
| import java.util.Map; |
| import javax.xml.bind.annotation.XmlType; |
| import javax.xml.bind.annotation.XmlElement; |
| import javax.xml.bind.annotation.XmlRootElement; |
| import org.opengis.referencing.cs.CoordinateSystem; |
| import org.opengis.referencing.cs.AffineCS; |
| import org.opengis.referencing.crs.ImageCRS; |
| import org.opengis.referencing.cs.CartesianCS; |
| import org.opengis.referencing.datum.ImageDatum; |
| import org.apache.sis.internal.referencing.WKTKeywords; |
| import org.apache.sis.internal.metadata.MetadataUtilities; |
| import org.apache.sis.referencing.cs.AxesConvention; |
| import org.apache.sis.referencing.AbstractReferenceSystem; |
| import org.apache.sis.io.wkt.Formatter; |
| |
| import static org.apache.sis.util.ArgumentChecks.ensureNonNull; |
| |
| |
| /** |
| * A 2-dimensional engineering coordinate reference system applied to locations in images. |
| * Image coordinate reference systems are treated as a separate sub-type because a separate |
| * user community exists for images with its own terms of reference. |
| * |
| * <p><b>Used with datum type:</b> |
| * {@linkplain org.apache.sis.referencing.datum.DefaultImageDatum Image}.<br> |
| * <b>Used with coordinate system types:</b> |
| * {@linkplain org.apache.sis.referencing.cs.DefaultCartesianCS Cartesian} or |
| * {@linkplain org.apache.sis.referencing.cs.DefaultAffineCS Affine}. |
| * </p> |
| * |
| * <h2>Immutability and thread safety</h2> |
| * This class is immutable and thus thread-safe if the property <em>values</em> (not necessarily the map itself), |
| * the coordinate system and the datum instances given to the constructor are also immutable. Unless otherwise noted |
| * in the javadoc, this condition holds if all components were created using only SIS factories and static constants. |
| * |
| * @author Martin Desruisseaux (IRD, Geomatys) |
| * @version 0.7 |
| * |
| * @see org.apache.sis.referencing.datum.DefaultImageDatum |
| * @see org.apache.sis.referencing.factory.GeodeticAuthorityFactory#createImageCRS(String) |
| * |
| * @since 0.4 |
| * @module |
| */ |
| @XmlType(name = "ImageCRSType", propOrder = { |
| "cartesianCS", |
| "affineCS", |
| "datum" |
| }) |
| @XmlRootElement(name = "ImageCRS") |
| public class DefaultImageCRS extends AbstractCRS implements ImageCRS { |
| /** |
| * Serial number for inter-operability with different versions. |
| */ |
| private static final long serialVersionUID = 7312452786096397847L; |
| |
| /** |
| * The datum. |
| * |
| * <p><b>Consider this field as final!</b> |
| * This field is modified only at unmarshalling time by {@link #setDatum(ImageDatum)}</p> |
| * |
| * @see #getDatum() |
| */ |
| private ImageDatum datum; |
| |
| /** |
| * Creates a coordinate reference system from the given properties, datum and coordinate system. |
| * The properties given in argument follow the same rules than for the |
| * {@linkplain AbstractReferenceSystem#AbstractReferenceSystem(Map) super-class constructor}. |
| * The following table is a reminder of main (not all) properties: |
| * |
| * <table class="sis"> |
| * <caption>Recognized properties (non exhaustive list)</caption> |
| * <tr> |
| * <th>Property name</th> |
| * <th>Value type</th> |
| * <th>Returned by</th> |
| * </tr> |
| * <tr> |
| * <td>{@value org.opengis.referencing.IdentifiedObject#NAME_KEY}</td> |
| * <td>{@link org.opengis.metadata.Identifier} or {@link String}</td> |
| * <td>{@link #getName()}</td> |
| * </tr> |
| * <tr> |
| * <td>{@value org.opengis.referencing.IdentifiedObject#ALIAS_KEY}</td> |
| * <td>{@link org.opengis.util.GenericName} or {@link CharSequence} (optionally as array)</td> |
| * <td>{@link #getAlias()}</td> |
| * </tr> |
| * <tr> |
| * <td>{@value org.opengis.referencing.IdentifiedObject#IDENTIFIERS_KEY}</td> |
| * <td>{@link org.opengis.metadata.Identifier} (optionally as array)</td> |
| * <td>{@link #getIdentifiers()}</td> |
| * </tr> |
| * <tr> |
| * <td>{@value org.opengis.referencing.IdentifiedObject#REMARKS_KEY}</td> |
| * <td>{@link org.opengis.util.InternationalString} or {@link String}</td> |
| * <td>{@link #getRemarks()}</td> |
| * </tr> |
| * <tr> |
| * <td>{@value org.opengis.referencing.ReferenceSystem#DOMAIN_OF_VALIDITY_KEY}</td> |
| * <td>{@link org.opengis.metadata.extent.Extent}</td> |
| * <td>{@link #getDomainOfValidity()}</td> |
| * </tr> |
| * <tr> |
| * <td>{@value org.opengis.referencing.ReferenceSystem#SCOPE_KEY}</td> |
| * <td>{@link org.opengis.util.InternationalString} or {@link String}</td> |
| * <td>{@link #getScope()}</td> |
| * </tr> |
| * </table> |
| * |
| * @param properties the properties to be given to the coordinate reference system. |
| * @param datum the datum. |
| * @param cs the coordinate system. |
| * |
| * @see org.apache.sis.referencing.factory.GeodeticObjectFactory#createImageCRS(Map, ImageDatum, AffineCS) |
| */ |
| public DefaultImageCRS(final Map<String,?> properties, |
| final ImageDatum datum, |
| final AffineCS cs) |
| { |
| super(properties, cs); |
| ensureNonNull("datum", datum); |
| this.datum = datum; |
| } |
| |
| /** |
| * Constructs a new coordinate reference system with the same values than the specified one. |
| * This copy constructor provides a way to convert an arbitrary implementation into a SIS one |
| * or a user-defined one (as a subclass), usually in order to leverage some implementation-specific API. |
| * |
| * <p>This constructor performs a shallow copy, i.e. the properties are not cloned.</p> |
| * |
| * @param crs the coordinate reference system to copy. |
| * |
| * @see #castOrCopy(ImageCRS) |
| */ |
| protected DefaultImageCRS(final ImageCRS crs) { |
| super(crs); |
| datum = crs.getDatum(); |
| } |
| |
| /** |
| * Returns a SIS coordinate reference system implementation with the same values than the given |
| * arbitrary implementation. If the given object is {@code null}, then this method returns {@code null}. |
| * Otherwise if the given object is already a SIS implementation, then the given object is returned unchanged. |
| * Otherwise a new SIS implementation is created and initialized to the attribute values of the given object. |
| * |
| * @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 DefaultImageCRS castOrCopy(final ImageCRS object) { |
| return (object == null) || (object instanceof DefaultImageCRS) |
| ? (DefaultImageCRS) object : new DefaultImageCRS(object); |
| } |
| |
| /** |
| * Returns the GeoAPI interface implemented by this class. |
| * The SIS implementation returns {@code ImageCRS.class}. |
| * |
| * <div class="note"><b>Note for implementers:</b> |
| * Subclasses usually do not need to override this method since GeoAPI does not define {@code ImageCRS} |
| * sub-interface. Overriding possibility is left mostly for implementers who wish to extend GeoAPI with |
| * their own set of interfaces.</div> |
| * |
| * @return {@code ImageCRS.class} or a user-defined sub-interface. |
| */ |
| @Override |
| public Class<? extends ImageCRS> getInterface() { |
| return ImageCRS.class; |
| } |
| |
| /** |
| * Returns the datum. |
| * |
| * @return the datum. |
| */ |
| @Override |
| @XmlElement(name = "imageDatum", required = true) |
| public ImageDatum getDatum() { |
| return datum; |
| } |
| |
| /** |
| * Returns the coordinate system. |
| * |
| * @return the coordinate system. |
| */ |
| @Override |
| public AffineCS getCoordinateSystem() { |
| return (AffineCS) super.getCoordinateSystem(); |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @return {@inheritDoc} |
| */ |
| @Override |
| public DefaultImageCRS forConvention(final AxesConvention convention) { |
| return (DefaultImageCRS) super.forConvention(convention); |
| } |
| |
| /** |
| * Returns a coordinate reference system of the same type than this CRS but with different axes. |
| */ |
| @Override |
| final AbstractCRS createSameType(final Map<String,?> properties, final CoordinateSystem cs) { |
| return new DefaultImageCRS(properties, datum, (AffineCS) cs); |
| } |
| |
| /** |
| * Formats this CRS as a <cite>Well Known Text</cite> {@code ImageCRS[…]} element. |
| * |
| * <div class="note"><b>Compatibility note:</b> |
| * {@code ImageCRS} are defined in the WKT 2 specification only.</div> |
| * |
| * @return {@code "ImageCRS"}. |
| * |
| * @see <a href="http://docs.opengeospatial.org/is/12-063r5/12-063r5.html#79">WKT 2 specification §12</a> |
| */ |
| @Override |
| protected String formatTo(final Formatter formatter) { |
| super.formatTo(formatter); |
| if (formatter.getConvention().majorVersion() == 1) { |
| formatter.setInvalidWKT(this, null); |
| } |
| return WKTKeywords.ImageCRS; |
| } |
| |
| |
| |
| |
| ////////////////////////////////////////////////////////////////////////////////////////////////// |
| //////// //////// |
| //////// XML support with JAXB //////// |
| //////// //////// |
| //////// The following methods are invoked by JAXB using reflection (even if //////// |
| //////// they are private) or are helpers for other methods invoked by JAXB. //////// |
| //////// Those methods can be safely removed if Geographic Markup Language //////// |
| //////// (GML) support is not needed. //////// |
| //////// //////// |
| ////////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| /** |
| * Constructs a new object in which every attributes are set to a null value. |
| * <strong>This is not a valid object.</strong> This constructor is strictly |
| * reserved to JAXB, which will assign values to the fields using reflexion. |
| */ |
| private DefaultImageCRS() { |
| /* |
| * The datum and the coordinate system are mandatory for SIS working. We do not verify their presence |
| * here because the verification would have to be done in an 'afterMarshal(…)' method and throwing an |
| * exception in that method causes the whole unmarshalling to fail. But the SC_CRS adapter does some |
| * verifications. |
| */ |
| } |
| |
| /** |
| * Invoked by JAXB at unmarshalling time. |
| * |
| * @see #getDatum() |
| */ |
| private void setDatum(final ImageDatum value) { |
| if (datum == null) { |
| datum = value; |
| } else { |
| MetadataUtilities.propertyAlreadySet(DefaultImageCRS.class, "setDatum", "imageDatum"); |
| } |
| } |
| |
| /** |
| * Used by JAXB only (invoked by reflection). |
| * Only one of {@code getCartesianCS()} and {@link #getAffineCS()} can return a non-null value. |
| * |
| * <div class="note"><b>Implementation note:</b> |
| * The usual way to handle {@code <xs:choice>} with JAXB is to annotate a single method like below: |
| * |
| * {@preformat java |
| * @Override |
| * @XmlElements({ |
| * @XmlElement(name = "cartesianCS", type = DefaultCartesianCS.class), |
| * @XmlElement(name = "affineCS", type = DefaultAffineCS.class) |
| * }) |
| * public AffineCS getCoordinateSystem() { |
| * return super.getCoordinateSystem(); |
| * } |
| * } |
| * |
| * However our attempts to apply this approach worked for {@link DefaultEngineeringCRS} but not for this class: |
| * for an unknown reason, the unmarshalled CS object is empty. Maybe this is because the covariant return type |
| * ({@code AffineCS} instead than {@code CoordinateSystem} in above code) is causing confusion.</div> |
| * |
| * @see <a href="http://issues.apache.org/jira/browse/SIS-166">SIS-166</a> |
| */ |
| @XmlElement(name = "cartesianCS") private CartesianCS getCartesianCS() {return getCoordinateSystem(CartesianCS.class);} |
| @XmlElement(name = "affineCS") private AffineCS getAffineCS() {return getCoordinateSystem(AffineCS.class);} |
| |
| /** |
| * Used by JAXB only (invoked by reflection). |
| * |
| * @see #getCartesianCS() |
| */ |
| private void setCartesianCS(final CartesianCS cs) {setCoordinateSystem("cartesianCS", cs);} |
| private void setAffineCS (final AffineCS cs) {setCoordinateSystem("affineCS", cs);} |
| } |