Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/utils/ThemeUtil.java @ 1090:9324839684a4
New theme-related utilities.
flys-artifacts/trunk@2593 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
|---|---|
| date | Fri, 26 Aug 2011 12:40:11 +0000 |
| parents | |
| children | f708120cb7bc |
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| 1089:e298c4d28927 | 1090:9324839684a4 |
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| 1 package de.intevation.flys.utils; | |
| 2 | |
| 3 import java.awt.Color; | |
| 4 | |
| 5 import org.w3c.dom.Document; | |
| 6 | |
| 7 import de.intevation.artifacts.common.utils.XMLUtils; | |
| 8 | |
| 9 | |
| 10 /** | |
| 11 * Utility to deal with themes and their representations. | |
| 12 */ | |
| 13 public class ThemeUtil { | |
| 14 public final static String XPATH_LINE_COLOR = "/theme/field[@name='linecolor']/@default"; | |
| 15 | |
| 16 /** | |
| 17 * Parse a string like "103, 100, 0" and return a corresping color. | |
| 18 * @param rgbtext Color as string representation, e.g. "255,0,20". | |
| 19 * @return Color, null in case of issues. | |
| 20 */ | |
| 21 public static Color parseRGB(String rgbtext) { | |
| 22 if (rgbtext == null) { | |
| 23 return null; | |
| 24 } | |
| 25 String rgb[] = rgbtext.split(","); | |
| 26 Color c = null; | |
| 27 try { | |
| 28 c = new Color( | |
| 29 Integer.valueOf(rgb[0].trim()), | |
| 30 Integer.valueOf(rgb[1].trim()), | |
| 31 Integer.valueOf(rgb[2].trim())); | |
| 32 } | |
| 33 catch (NumberFormatException nfe) { | |
| 34 c = null; | |
| 35 } | |
| 36 return c; | |
| 37 } | |
| 38 | |
| 39 /** | |
| 40 * Gets color from color field. | |
| 41 * @param theme the theme document. | |
| 42 * @return color. | |
| 43 */ | |
| 44 public static Color parseLineColorField(Document theme) { | |
| 45 String color = XMLUtils.xpathString(theme, XPATH_LINE_COLOR, null); | |
| 46 return parseRGB(color); | |
| 47 } | |
| 48 } |