Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/artifacts/services/FixingsKMChartService.java @ 2615:b0597a63fe70
More code for the fixings km chart service.
flys-artifacts/trunk@4199 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Wed, 04 Apr 2012 18:30:44 +0000 |
parents | 036e234c2385 |
children | cc0fa1798a3c |
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2614:036e234c2385 | 2615:b0597a63fe70 |
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1 package de.intevation.flys.artifacts.services; | 1 package de.intevation.flys.artifacts.services; |
2 | |
3 import java.util.List; | |
2 | 4 |
3 import de.intevation.artifactdatabase.DefaultService; | 5 import de.intevation.artifactdatabase.DefaultService; |
4 | 6 |
5 import de.intevation.artifacts.CallMeta; | 7 import de.intevation.artifacts.CallMeta; |
6 import de.intevation.artifacts.GlobalContext; | 8 import de.intevation.artifacts.GlobalContext; |
7 import de.intevation.artifacts.Service; | 9 import de.intevation.artifacts.Service; |
8 | 10 |
11 import de.intevation.flys.artifacts.model.FixingsFilterBuilder; | |
12 import de.intevation.flys.artifacts.model.FixingsOverview; | |
13 import de.intevation.flys.artifacts.model.FixingsColumn; | |
14 import de.intevation.flys.artifacts.model.FixingsColumnFactory; | |
15 import de.intevation.flys.artifacts.model.FixingsOverviewFactory; | |
16 | |
17 import de.intevation.flys.artifacts.model.FixingsOverview.Fixing; | |
18 | |
19 import de.intevation.flys.backend.SessionHolder; | |
20 | |
9 import org.apache.log4j.Logger; | 21 import org.apache.log4j.Logger; |
10 | 22 |
11 import org.w3c.dom.Document; | 23 import org.w3c.dom.Document; |
24 import org.w3c.dom.Element; | |
25 import org.w3c.dom.NodeList; | |
12 | 26 |
13 public class FixingsKMChartService | 27 public class FixingsKMChartService |
14 extends DefaultService | 28 extends DefaultService |
15 { | 29 { |
16 private static final Logger log = | 30 private static final Logger log = |
17 Logger.getLogger(FixingsKMChartService.class); | 31 Logger.getLogger(FixingsKMChartService.class); |
18 | 32 |
19 public static final byte [] DATA0 = { | 33 public static final byte [] EMPTY = { |
20 (byte)0x89, (byte)0x50, (byte)0x4e, (byte)0x47, | 34 (byte)0x89, (byte)0x50, (byte)0x4e, (byte)0x47, |
21 (byte)0x0d, (byte)0x0a, (byte)0x1a, (byte)0x0a, | 35 (byte)0x0d, (byte)0x0a, (byte)0x1a, (byte)0x0a, |
22 (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x0d, | 36 (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x0d, |
23 (byte)0x49, (byte)0x48, (byte)0x44, (byte)0x52, | 37 (byte)0x49, (byte)0x48, (byte)0x44, (byte)0x52, |
24 (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x1d, | 38 (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x01, |
25 (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x1d, | 39 (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x01, |
26 (byte)0x04, (byte)0x03, (byte)0x00, (byte)0x00, | 40 (byte)0x08, (byte)0x00, (byte)0x00, (byte)0x00, |
27 (byte)0x00, (byte)0xa4, (byte)0xbd, (byte)0x7a, | 41 (byte)0x00, (byte)0x3a, (byte)0x7e, (byte)0x9b, |
28 (byte)0x3c, (byte)0x00, (byte)0x00, (byte)0x00, | 42 (byte)0x55, (byte)0x00, (byte)0x00, (byte)0x00, |
29 (byte)0x01, (byte)0x73, (byte)0x52, (byte)0x47, | 43 (byte)0x01, (byte)0x73, (byte)0x52, (byte)0x47, |
30 (byte)0x42, (byte)0x00, (byte)0xae, (byte)0xce, | 44 (byte)0x42, (byte)0x00, (byte)0xae, (byte)0xce, |
31 (byte)0x1c, (byte)0xe9, (byte)0x00, (byte)0x00, | 45 (byte)0x1c, (byte)0xe9, (byte)0x00, (byte)0x00, |
32 (byte)0x00, (byte)0x18, (byte)0x50, (byte)0x4c, | |
33 (byte)0x54, (byte)0x45, (byte)0xff, (byte)0xff, | |
34 (byte)0xff, (byte)0x08, (byte)0x08, (byte)0x08, | |
35 (byte)0x29, (byte)0x29, (byte)0x29, (byte)0x52, | |
36 (byte)0x52, (byte)0x52, (byte)0x8c, (byte)0x8c, | |
37 (byte)0x8c, (byte)0xbd, (byte)0xbd, (byte)0xbd, | |
38 (byte)0xe7, (byte)0xe7, (byte)0xe7, (byte)0x00, | |
39 (byte)0x00, (byte)0x00, (byte)0xcf, (byte)0x3a, | |
40 (byte)0xd7, (byte)0x12, (byte)0x00, (byte)0x00, | |
41 (byte)0x00, (byte)0x09, (byte)0x70, (byte)0x48, | 46 (byte)0x00, (byte)0x09, (byte)0x70, (byte)0x48, |
42 (byte)0x59, (byte)0x73, (byte)0x00, (byte)0x00, | 47 (byte)0x59, (byte)0x73, (byte)0x00, (byte)0x00, |
43 (byte)0x0b, (byte)0x13, (byte)0x00, (byte)0x00, | 48 (byte)0x0b, (byte)0x13, (byte)0x00, (byte)0x00, |
44 (byte)0x0b, (byte)0x13, (byte)0x01, (byte)0x00, | 49 (byte)0x0b, (byte)0x13, (byte)0x01, (byte)0x00, |
45 (byte)0x9a, (byte)0x9c, (byte)0x18, (byte)0x00, | 50 (byte)0x9a, (byte)0x9c, (byte)0x18, (byte)0x00, |
46 (byte)0x00, (byte)0x00, (byte)0x07, (byte)0x74, | 51 (byte)0x00, (byte)0x00, (byte)0x07, (byte)0x74, |
47 (byte)0x49, (byte)0x4d, (byte)0x45, (byte)0x07, | 52 (byte)0x49, (byte)0x4d, (byte)0x45, (byte)0x07, |
48 (byte)0xdc, (byte)0x04, (byte)0x04, (byte)0x0a, | 53 (byte)0xdc, (byte)0x04, (byte)0x04, (byte)0x10, |
49 (byte)0x32, (byte)0x0f, (byte)0xa3, (byte)0x92, | 54 (byte)0x30, (byte)0x15, (byte)0x7d, (byte)0x77, |
50 (byte)0x8b, (byte)0x55, (byte)0x00, (byte)0x00, | 55 (byte)0x36, (byte)0x0b, (byte)0x00, (byte)0x00, |
51 (byte)0x00, (byte)0x2b, (byte)0x49, (byte)0x44, | 56 (byte)0x00, (byte)0x08, (byte)0x74, (byte)0x45, |
52 (byte)0x41, (byte)0x54, (byte)0x18, (byte)0xd3, | 57 (byte)0x58, (byte)0x74, (byte)0x43, (byte)0x6f, |
53 (byte)0x63, (byte)0x60, (byte)0x18, (byte)0x1a, | 58 (byte)0x6d, (byte)0x6d, (byte)0x65, (byte)0x6e, |
54 (byte)0x20, (byte)0x0c, (byte)0x95, (byte)0x9b, | 59 (byte)0x74, (byte)0x00, (byte)0xf6, (byte)0xcc, |
55 (byte)0x5c, (byte)0x6e, (byte)0x80, (byte)0xc2, | 60 (byte)0x96, (byte)0xbf, (byte)0x00, (byte)0x00, |
56 (byte)0x37, (byte)0x2f, (byte)0x2f, (byte)0x41, | 61 (byte)0x00, (byte)0x0a, (byte)0x49, (byte)0x44, |
57 (byte)0xe1, (byte)0x8b, (byte)0x97, (byte)0x17, | 62 (byte)0x41, (byte)0x54, (byte)0x08, (byte)0xd7, |
58 (byte)0xa3, (byte)0xf0, (byte)0xd5, (byte)0xd1, | 63 (byte)0x63, (byte)0xf8, (byte)0x0f, (byte)0x00, |
59 (byte)0xf8, (byte)0x81, (byte)0xe5, (byte)0x6a, | 64 (byte)0x01, (byte)0x01, (byte)0x01, (byte)0x00, |
60 (byte)0x28, (byte)0x7c, (byte)0x36, (byte)0x97, | 65 (byte)0x1b, (byte)0xb6, (byte)0xee, (byte)0x56, |
61 (byte)0x04, (byte)0x86, (byte)0x61, (byte)0x01, | 66 (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, |
62 (byte)0x00, (byte)0xf0, (byte)0xaa, (byte)0x06, | 67 (byte)0x49, (byte)0x45, (byte)0x4e, (byte)0x44, |
63 (byte)0x2d, (byte)0x16, (byte)0xcb, (byte)0xb9, | 68 (byte)0xae, (byte)0x42, (byte)0x60, (byte)0x82 |
64 (byte)0x3c, (byte)0x00, (byte)0x00, (byte)0x00, | 69 }; |
65 (byte)0x00, (byte)0x49, (byte)0x45, (byte)0x4e, | 70 |
66 (byte)0x44, (byte)0xae, (byte)0x42, (byte)0x60, | 71 private static final Output empty() { |
67 (byte)0x82}; | 72 return new Output(EMPTY, "image/png"); |
73 } | |
68 | 74 |
69 @Override | 75 @Override |
70 public Service.Output process( | 76 public Service.Output process( |
71 Document data, | 77 Document data, |
72 GlobalContext globalContext, | 78 GlobalContext globalContext, |
73 CallMeta callMeta | 79 CallMeta callMeta |
74 ) { | 80 ) { |
75 log.debug("FixingsKMChartService.process"); | 81 log.debug("FixingsKMChartService.process"); |
76 return new Output(DATA0, "image/png"); | 82 |
83 SessionHolder.acquire(); | |
84 try { | |
85 return doProcess(data, globalContext, callMeta); | |
86 } | |
87 finally { | |
88 SessionHolder.HOLDER.get().close(); | |
89 SessionHolder.release(); | |
90 } | |
91 } | |
92 | |
93 protected Service.Output doProcess( | |
94 Document data, | |
95 GlobalContext globalContext, | |
96 CallMeta callMeta | |
97 ) { | |
98 NodeList rivers = data.getElementsByTagName("river"); | |
99 NodeList kms = data.getElementsByTagName("km"); | |
100 | |
101 if (rivers.getLength() == 0 || kms.getLength() == 0) { | |
102 log.warn("Missing river and/or km."); | |
103 return empty(); | |
104 } | |
105 | |
106 String river = ((Element)rivers.item(0)).getAttribute("name"); | |
107 String kmS = ((Element)kms .item(0)).getAttribute("value"); | |
108 | |
109 if (river.length() == 0 || kmS.length() == 0) { | |
110 log.warn("River and/or km empty string."); | |
111 return empty(); | |
112 } | |
113 | |
114 double km; | |
115 try { | |
116 km = Double.parseDouble(kmS); | |
117 } | |
118 catch (NumberFormatException nfe) { | |
119 log.warn("Km '" + kmS + " is not a valid number."); | |
120 return empty(); | |
121 } | |
122 | |
123 FixingsOverview overview = FixingsOverviewFactory.getOverview(river); | |
124 | |
125 if (overview == null) { | |
126 log.warn("No overview found for river '" + river + "'"); | |
127 return empty(); | |
128 } | |
129 | |
130 FixingsFilterBuilder ffb = new FixingsFilterBuilder(data); | |
131 | |
132 List<Fixing.Column> columns = overview.filter( | |
133 ffb.getRange(), | |
134 ffb.getFilter()); | |
135 | |
136 for (Fixing.Column column: columns) { | |
137 FixingsColumn columnData = | |
138 FixingsColumnFactory.INSTANCE.getColumnData(column); | |
139 if (columnData == null) { | |
140 continue; | |
141 } | |
142 } | |
143 // TODO: Implement chart generation! | |
144 | |
145 return empty(); | |
77 } | 146 } |
78 } | 147 } |
79 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : | 148 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |