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comparison flys-artifacts/src/main/java/de/intevation/flys/themes/ThemeFactory.java @ 1822:6ed439ff61bf

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Changed theme-mapping mechanism to include further condition (on master-artifacts attributes), added point themes for longitudinal.ws for calculations at locations. flys-artifacts/trunk@3151 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Thu, 03 Nov 2011 10:25:23 +0000
parents d2a17e990c70
children 9562ca537143
comparison
equal deleted inserted replaced
1821:e55f1a851923 1822:6ed439ff61bf
13 import org.w3c.dom.NodeList; 13 import org.w3c.dom.NodeList;
14 14
15 import de.intevation.artifacts.common.utils.XMLUtils; 15 import de.intevation.artifacts.common.utils.XMLUtils;
16 16
17 import de.intevation.flys.artifacts.context.FLYSContext; 17 import de.intevation.flys.artifacts.context.FLYSContext;
18 18 import de.intevation.flys.artifacts.FLYSArtifact;
19 19
20 /** 20 /**
21 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> 21 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
22 *
23 * Mapping-matching rules:
24 *
22 */ 25 */
23 public class ThemeFactory { 26 public class ThemeFactory {
24 27
25 private static Logger logger = Logger.getLogger(ThemeFactory.class); 28 private static Logger logger = Logger.getLogger(ThemeFactory.class);
26 29
30 /** Trivial, hidden constructor. */
27 private ThemeFactory() { 31 private ThemeFactory() {
32 ;
28 } 33 }
29 34
30 35
31 /** 36 /**
32 * Creates a new theme from <i>config</i>. 37 * Creates a new theme from <i>config</i>.
64 public static Theme getTheme(FLYSContext c, String name) { 69 public static Theme getTheme(FLYSContext c, String name) {
65 return getTheme(c, name, null); 70 return getTheme(c, name, null);
66 } 71 }
67 72
68 73
74 /**
75 * Get first matching theme for facet.
76 *
77 * @param name Name to match "from" of theme mapping.
78 * @param pattern String to 'compare' to pattern in mapping.
79 *
80 * @return First matching theme.
81 */
69 public static Theme getTheme(FLYSContext c, String name, String pattern) { 82 public static Theme getTheme(FLYSContext c, String name, String pattern) {
83
70 logger.debug("Search theme for: " + name + " - " + pattern); 84 logger.debug("Search theme for: " + name + " - " + pattern);
85
71 if (c == null || name == null) { 86 if (c == null || name == null) {
72 logger.warn("Cannot search for theme."); 87 logger.warn("Cannot search for theme.");
73 return null; 88 return null;
74 } 89 }
75 90
91 // Fetch mapping and themes.
76 Map<String, List<ThemeMapping>> map = (Map<String, List<ThemeMapping>>) 92 Map<String, List<ThemeMapping>> map = (Map<String, List<ThemeMapping>>)
77 c.get(FLYSContext.THEME_MAPPING); 93 c.get(FLYSContext.THEME_MAPPING);
78 94
79 Map<String, Theme> t = (Map<String, Theme>) 95 Map<String, Theme> t = (Map<String, Theme>)
80 c.get(FLYSContext.THEMES); 96 c.get(FLYSContext.THEMES);
81 97
98 FLYSArtifact artifact = (FLYSArtifact) c.get(FLYSContext.ARTIFACT_KEY);
99
82 if (map == null || map.size() == 0 || t == null || t.size() == 0) { 100 if (map == null || map.size() == 0 || t == null || t.size() == 0) {
83 logger.warn("No mappings or themes found. Cannot retrieve theme!"); 101 logger.warn("No mappings or themes found. Cannot retrieve theme!");
84 return null; 102 return null;
85 } 103 }
86 104
87 List<ThemeMapping> mapping = map.get(name); 105 List<ThemeMapping> mapping = map.get(name);
88 106
89 if (mapping == null) { 107 if (mapping == null) {
90 logger.warn("No theme fount for mapping: " + name); 108 logger.warn("No theme found for mapping: " + name);
91 return null; 109 return null;
92 } 110 }
93 111
94 int patternLen = pattern != null ? pattern.length() : 0; 112 // Take first mapping of which all conditions are satisfied.
95
96 Theme defaultTheme = null;
97
98 for (ThemeMapping tm: mapping) { 113 for (ThemeMapping tm: mapping) {
99 if (name.equals(tm.getFrom())) { 114 if (name.equals(tm.getFrom())
100 String tmPattern = tm.getPatternStr(); 115 && tm.applyPattern(pattern)
101 116 && tm.masterAttrMatches(artifact))
102 int tmLen = tmPattern != null ? tmPattern.length() : 0; 117 {
103 118 return t.get(tm.getTo());
104 if (tmLen == 0 && patternLen == 0) {
105 // we want and get the default theme
106 return t.get(tm.getTo());
107 }
108 else if (tmLen == 0 && patternLen > 0) {
109 // found a defaultTheme, lets save it
110 defaultTheme = t.get(tm.getTo());
111 }
112 else if (tm.applyPattern(pattern)) {
113 // found the special theme we have searched for
114 return t.get(tm.getTo());
115 }
116 } 119 }
117 } 120 }
118 121
119 String msg = 122 String msg =
120 "No theme found for '" + name + 123 "No theme found for '" + name +
121 "' with pattern '" + pattern + "'."; 124 "' with pattern '" + pattern + "'.";
122 125
123 if (defaultTheme != null) {
124 logger.info(msg + " Use the default instead.");
125 return defaultTheme;
126 }
127
128 logger.warn(msg); 126 logger.warn(msg);
129 127
130 return null; 128 return null;
131 } 129 }
132 130
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