Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/utils/GeometryUtils.java @ 3303:96daa8a4c48f
Fix and workaround NullPointerExceptions
flys-artifacts/trunk@4988 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Christian Lins <christian.lins@intevation.de> |
|---|---|
| date | Fri, 13 Jul 2012 10:54:56 +0000 |
| parents | c8f670ae96e8 |
| children | 1b41dc00b1f7 |
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| 3302:453d2d0c4258 | 3303:96daa8a4c48f |
|---|---|
| 74 } | 74 } |
| 75 | 75 |
| 76 public static String getRiverBounds(String rivername) { | 76 public static String getRiverBounds(String rivername) { |
| 77 Envelope env = getRiverBoundary(rivername); | 77 Envelope env = getRiverBoundary(rivername); |
| 78 | 78 |
| 79 if (env == null) { | 79 if (env != null) { |
| 80 return jtsBoundsToOLBounds(env); | 80 return jtsBoundsToOLBounds(env); |
| 81 } | 81 } |
| 82 | 82 |
| 83 return null; | 83 return null; |
| 84 } | 84 } |
| 89 * @param env The envelope of a geometry. | 89 * @param env The envelope of a geometry. |
| 90 * | 90 * |
| 91 * @return the OpenLayers boundary of <i>env</i>. | 91 * @return the OpenLayers boundary of <i>env</i>. |
| 92 */ | 92 */ |
| 93 public static String jtsBoundsToOLBounds(Envelope env) { | 93 public static String jtsBoundsToOLBounds(Envelope env) { |
| 94 return "" + | 94 StringBuilder buf = new StringBuilder(); |
| 95 env.getMinX() + " " + | 95 buf.append(env.getMinX()); buf.append(' '); |
| 96 env.getMinY() + " " + | 96 buf.append(env.getMinY()); buf.append(' '); |
| 97 env.getMaxX() + " " + | 97 buf.append(env.getMaxX()); buf.append(' '); |
| 98 env.getMaxY(); | 98 buf.append(env.getMaxY()); |
| 99 return buf.toString(); | |
| 99 } | 100 } |
| 100 | 101 |
| 101 public static String createOLBounds(Geometry a, Geometry b) { | 102 public static String createOLBounds(Geometry a, Geometry b) { |
| 102 Coordinate[] ca = a.getCoordinates(); | 103 Coordinate[] ca = a.getCoordinates(); |
| 103 Coordinate[] cb = b.getCoordinates(); | 104 Coordinate[] cb = b.getCoordinates(); |