diff options
Diffstat (limited to 'petascope/src/petascope/wcps/server/core/DomainElement.java')
| -rw-r--r-- | petascope/src/petascope/wcps/server/core/DomainElement.java | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/petascope/src/petascope/wcps/server/core/DomainElement.java b/petascope/src/petascope/wcps/server/core/DomainElement.java new file mode 100644 index 0000000..3bb18f1 --- /dev/null +++ b/petascope/src/petascope/wcps/server/core/DomainElement.java @@ -0,0 +1,193 @@ +/*
+ * This file is part of PetaScope.
+ *
+ * PetaScope is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation, either version 3 of
+ * the License, or (at your option) any later version.
+ *
+ * PetaScope is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with PetaScope. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * For more information please see <http://www.PetaScope.org>
+ * or contact Peter Baumann via <baumann@rasdaman.com>.
+ *
+ * Copyright 2009 Jacobs University Bremen, Peter Baumann.
+ */
+package petascope.wcps.server.core;
+
+import petascope.wcps.server.exceptions.InvalidMetadataException;
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.Set;
+
+/**
+ * This is an axis in geographic coordinates. See the WCPS standard.
+ */
+public class DomainElement implements Cloneable {
+
+ public static final String WGS84_CRS = "EPSG:4326";
+ public static final String IMAGE_CRS = "CRS:1";
+ private Set<String> crss;
+ private String name;
+ private Double numHi;
+ private Double numLo;
+ private String strHi;
+ private String strLo;
+ private String type;
+ private Collection<String> allowedAxes;
+
+ public DomainElement(String name, String type, Double numLo, Double numHi, String strLo,
+ String strHi, Set<String> crss, Collection<String> axes)
+ throws InvalidMetadataException {
+ this.allowedAxes = axes;
+
+ if ((name == null) || (type == null)) {
+ throw new InvalidMetadataException(
+ "Invalid domain element: Element name and type cannot be null");
+ }
+
+ if (name.equals("")) {
+ throw new InvalidMetadataException(
+ "Invalid domain element: Element name cannot be empty");
+ }
+
+ if (allowedAxes.contains(type) == false) {
+ throw new InvalidMetadataException(
+ "Invalid domain element: Invalid element type: " + type
+ + ". Allowed element types are: " + allowedAxes.toString());
+ }
+
+ if ((numLo != null) && (numHi != null) && (strLo == null) && (strHi == null)) {
+ if (numLo.compareTo(numHi) == 1) {
+ throw new InvalidMetadataException(
+ "Invalid domain element: Lower integer bound cannot be larger than upper integer bound");
+ }
+
+ this.numLo = numLo;
+ this.numHi = numHi;
+ } else if ((strLo != null) && (numHi != null) && (numLo == null) && (numHi == null)) {
+ if (strLo.equals("") || strHi.equals("")) {
+ throw new InvalidMetadataException(
+ "Invalid domain element: String bounds cannot be empty");
+ }
+
+ this.strLo = strLo;
+ this.strHi = strHi;
+ } else {
+ /* Allow both sources of info for time-axes */
+ if (type.equals("t")) {
+ this.strLo = strLo;
+ this.strHi = strHi;
+ this.numLo = numLo;
+ this.numHi = numHi;
+ } else {
+ throw new InvalidMetadataException(
+ "Invalid domain element: Integer bounds must both be non-null if string bounds are null, and vice versa at "
+ + name + ":" + type);
+ }
+ }
+
+ if ((type.equals("x") || type.equals("y")) && (numLo == null)) {
+ throw new InvalidMetadataException(
+ "Invalid domain element: A spatial axis must have integer extent");
+ } else if (type.equals("temporal") && (strLo == null)) {
+ throw new InvalidMetadataException(
+ "Invalid domain element: A temporal axis must have string extent");
+ } else if (type.equals("t") && (numLo == null) || (numHi == null)) {
+ throw new InvalidMetadataException("Invalid domain element: A \"t\" axis must have integer extent and optionally, string extent");
+ }
+
+ this.name = name;
+ this.type = type;
+
+ if ((crss == null) || !crss.contains(IMAGE_CRS)) {
+// throw new InvalidMetadataException(
+// "Invalid domain element: CRS set does not contain image CRS '"
+// + IMAGE_CRS + "'");
+ crss.add(IMAGE_CRS);
+ }
+
+ this.crss = crss;
+
+ }
+
+ @Override
+ public DomainElement clone() {
+ Set<String> c = new HashSet<String>(crss.size());
+ Iterator<String> i = crss.iterator();
+
+ while (i.hasNext()) {
+ c.add(new String(i.next()));
+ }
+
+ try {
+ String newName = name == null ? null : new String(name);
+ String newType = type == null ? null : new String(type);
+ Double newNumLo = numLo == null ? null : new Double(numLo);
+ Double newNumHi = numHi == null ? null : new Double(numHi);
+ String newStrLo = strLo == null ? null : new String(strLo);
+ String newStrHi = strHi == null ? null : new String(strHi);
+ return new DomainElement(newName, newType, newNumLo, newNumHi, newStrLo, newStrHi, c, allowedAxes);
+ } catch (InvalidMetadataException ime) {
+ throw new RuntimeException(
+ "Invalid metadata while cloning DomainElement. This is a software bug in WCPS.",
+ ime);
+ }
+
+ }
+
+ public boolean equals(DomainElement de) {
+ if ((numLo == null) && (de.numLo == null)) {
+ return strLo.equals(de.strLo) && strHi.equals(strHi)
+ && name.equals(de.name) && type.equals(de.type);
+ } else if ((strLo == null) && (de.strLo == null)) {
+ return numLo.equals(de.numLo) && numHi.equals(numHi)
+ && name.equals(de.name) && type.equals(de.type);
+ } else {
+ return false;
+ }
+ }
+
+ public String getName() {
+ return name;
+ }
+
+ public Double getNumHi() {
+ return numHi;
+ }
+
+ public Double getNumLo() {
+ return numLo;
+ }
+
+ public String getStrHi() {
+ return strHi;
+ }
+
+ public String getStrLo() {
+ return strLo;
+ }
+
+ public String getType() {
+ return type;
+ }
+
+ public Set<String> getCrsSet() {
+ return crss;
+ }
+
+ @Override
+ public String toString() {
+ String d = "Domain Element { Name: '" + name + "', Type: '" + type
+ + "', NumLow: '" + numLo + "', NumHi: '" + numHi + "', StrLow: '"
+ + strLo + "', StrHi: '" + strHi + "', CrsSet: '" + crss + "'}";
+ return d;
+ }
+}
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