root / org.gvsig.geotools.proj / trunk / org.gvsig.geotools.proj / org.gvsig.geotools.proj.catalog.impl / src / main / java / org / gvsig / geotools / proj / catalog / utils / GtUtils.java @ 867
History | View | Annotate | Download (1.86 KB)
1 | 867 | cmartinez | package org.gvsig.geotools.proj.catalog.utils; |
---|---|---|---|
2 | |||
3 | import java.util.Collection; |
||
4 | import java.util.List; |
||
5 | |||
6 | import org.opengis.metadata.Identifier; |
||
7 | import org.opengis.referencing.IdentifiedObject; |
||
8 | import org.opengis.referencing.ReferenceIdentifier; |
||
9 | import org.opengis.referencing.operation.ConcatenatedOperation; |
||
10 | import org.opengis.referencing.operation.CoordinateOperation; |
||
11 | import org.opengis.referencing.operation.PassThroughOperation; |
||
12 | import org.opengis.referencing.operation.Projection; |
||
13 | import org.opengis.referencing.operation.SingleOperation; |
||
14 | import org.opengis.referencing.operation.Transformation; |
||
15 | |||
16 | public class GtUtils { |
||
17 | |||
18 | public static String getIdentifier(IdentifiedObject object) { |
||
19 | if (object==null) { |
||
20 | return null; |
||
21 | } |
||
22 | for (ReferenceIdentifier id: object.getIdentifiers()) {
|
||
23 | // return the first one we find
|
||
24 | return id.toString();
|
||
25 | } |
||
26 | return null; |
||
27 | } |
||
28 | |||
29 | public static String getIdentifier(Collection<? extends Identifier> identifiers) { |
||
30 | if (identifiers != null) { |
||
31 | for (Identifier id: identifiers) {
|
||
32 | // return the first one we find
|
||
33 | return id.getCode();
|
||
34 | } |
||
35 | } |
||
36 | return null; |
||
37 | } |
||
38 | |||
39 | public static CoordinateOperation getDefiningOperation(CoordinateOperation operation) { |
||
40 | if (operation instanceof ConcatenatedOperation) { |
||
41 | List<SingleOperation> opList = ((ConcatenatedOperation) operation).getOperations();
|
||
42 | for (SingleOperation singleOp: opList) {
|
||
43 | if (singleOp instanceof Transformation) { |
||
44 | return singleOp;
|
||
45 | } |
||
46 | } |
||
47 | for (SingleOperation singleOp: opList) {
|
||
48 | if (singleOp instanceof PassThroughOperation) { |
||
49 | return getDefiningOperation(singleOp);
|
||
50 | } |
||
51 | } |
||
52 | for (SingleOperation singleOp: opList) {
|
||
53 | if (singleOp instanceof Projection) { |
||
54 | return singleOp;
|
||
55 | } |
||
56 | } |
||
57 | } |
||
58 | else if (operation instanceof PassThroughOperation) { |
||
59 | return getDefiningOperation(((PassThroughOperation)operation).getOperation());
|
||
60 | } |
||
61 | return operation;
|
||
62 | } |
||
63 | } |