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annotate artifacts/src/main/java/org/dive4elements/river/artifacts/datacage/templating/FunctionResolver.java @ 6080:4bd8bbbcdf68

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Datacage: Introduced dc:dump-variables() and modified dc:message to use XPath expansion.
author Sascha L. Teichmann <teichmann@intevation.de>
date Thu, 23 May 2013 18:14:31 +0200
parents af13ceeba52a
children 57fb50f8c9fc
rev   line source
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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9 package org.dive4elements.river.artifacts.datacage.templating;
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10
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11 import java.text.SimpleDateFormat;
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12 import java.util.ArrayList;
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13 import java.util.Collection;
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14 import java.util.Date;
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15 import java.util.List;
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16 import java.util.Map;
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17
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18 import java.lang.reflect.InvocationTargetException;
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19 import java.lang.reflect.Method;
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20
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21 import javax.xml.namespace.QName;
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22
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23 import javax.xml.xpath.XPathFunction;
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24 import javax.xml.xpath.XPathFunctionException;
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25 import javax.xml.xpath.XPathFunctionResolver;
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26
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27 import org.apache.log4j.Logger;
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28
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29
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30 /** Resolves functions (e.g. dc:contains) in Datacage/Meta-Data system. */
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31 public class FunctionResolver
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32 implements XPathFunctionResolver
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33 {
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34 /** Home logger. */
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35 private static Logger log = Logger.getLogger(FunctionResolver.class);
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36
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37 public static final String FUNCTION_NAMESPACE_URI = "dc";
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38
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39 public static final double FAR_AWAY = 99999d;
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40
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41 public static final class Entry {
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42
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43 String name;
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44 XPathFunction function;
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45 int arity;
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46
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47 public Entry() {
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48 }
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49
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50 public Entry(String name, XPathFunction function, int arity) {
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51 this.name = name;
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52 this.function = function;
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53 this.arity = arity;
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54 }
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55 } // class Entry
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56
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57 /** List of functions. */
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58 protected List<Entry> functions;
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59
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60 protected Builder.BuildHelper buildHelper;
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61
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62
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63 public FunctionResolver() {
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64 this(null);
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65 }
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66
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67 public FunctionResolver(Builder.BuildHelper buildHelper) {
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68 this.buildHelper = buildHelper;
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69
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70 functions = new ArrayList<Entry>();
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71
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72 addFunction("contains", 2, new XPathFunction() {
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73 @Override
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74 public Object evaluate(List args) throws XPathFunctionException {
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75 return contains(args);
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76 }
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77 });
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78
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79 addFunction("fromValue", 3, new XPathFunction() {
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80 @Override
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81 public Object evaluate(List args) throws XPathFunctionException {
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82 return fromValue(args);
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83 }
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84 });
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85
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86 addFunction("toValue", 3, new XPathFunction() {
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87 @Override
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88 public Object evaluate(List args) throws XPathFunctionException {
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89 return toValue(args);
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90 }
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91 });
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92
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93 addFunction("replace", 3, new XPathFunction() {
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94 @Override
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95 public Object evaluate(List args) throws XPathFunctionException {
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96 return replace(args);
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97 }
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98 });
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99
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100 addFunction("has-result", 0, new XPathFunction() {
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101 @Override
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102 public Object evaluate(List args) throws XPathFunctionException {
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103 return FunctionResolver.this.buildHelper.hasResult();
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104 }
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105 });
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106
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107 addFunction("group-key", 0, new XPathFunction() {
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108 @Override
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109 public Object evaluate(List args) throws XPathFunctionException {
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110 return FunctionResolver.this.buildHelper.getGroupKey();
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111 }
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112 });
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113
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114 addFunction("date-format", 2, new XPathFunction() {
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115 @Override
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116 public Object evaluate(List args) throws XPathFunctionException {
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117 return dateFormat(args);
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118 }
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119 });
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120
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121 addFunction("dump-variables", 0, new XPathFunction() {
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122 @Override
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Sascha L. Teichmann <teichmann@intevation.de>
parents: 5994
diff changeset
123 public Object evaluate(List args) throws XPathFunctionException {
4bd8bbbcdf68 Datacage: Introduced dc:dump-variables() and modified dc:message to use XPath expansion.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5994
diff changeset
124 return FunctionResolver.this.buildHelper.frames.dump();
4bd8bbbcdf68 Datacage: Introduced dc:dump-variables() and modified dc:message to use XPath expansion.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5994
diff changeset
125 }
4bd8bbbcdf68 Datacage: Introduced dc:dump-variables() and modified dc:message to use XPath expansion.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5994
diff changeset
126 });
998
b81626b10cb7 Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
127 }
b81626b10cb7 Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
128
4594
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1930
diff changeset
129 /**
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1930
diff changeset
130 * Create a new function.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1930
diff changeset
131 * @param name Name of the function.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1930
diff changeset
132 * @param arity Number of arguments for function.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1930
diff changeset
133 * @param function the function itself.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1930
diff changeset
134 */
998
b81626b10cb7 Datacage: Moved templating in a better suited package.
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parents:
diff changeset
135 public void addFunction(String name, int arity, XPathFunction function) {
b81626b10cb7 Datacage: Moved templating in a better suited package.
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parents:
diff changeset
136 functions.add(new Entry(name, function, arity));
b81626b10cb7 Datacage: Moved templating in a better suited package.
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parents:
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137 }
b81626b10cb7 Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
138
b81626b10cb7 Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
139 @Override
b81626b10cb7 Datacage: Moved templating in a better suited package.
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parents:
diff changeset
140 public XPathFunction resolveFunction(QName functionName, int arity) {
b81626b10cb7 Datacage: Moved templating in a better suited package.
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parents:
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141
b81626b10cb7 Datacage: Moved templating in a better suited package.
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parents:
diff changeset
142 if (!functionName.getNamespaceURI().equals(FUNCTION_NAMESPACE_URI)) {
b81626b10cb7 Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
143 return null;
b81626b10cb7 Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
144 }
b81626b10cb7 Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
145
b81626b10cb7 Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
146 String name = functionName.getLocalPart();
b81626b10cb7 Datacage: Moved templating in a better suited package.
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parents:
diff changeset
147 for (Entry entry: functions) {
b81626b10cb7 Datacage: Moved templating in a better suited package.
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parents:
diff changeset
148 if (entry.arity == arity && entry.name.equals(name)) {
b81626b10cb7 Datacage: Moved templating in a better suited package.
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parents:
diff changeset
149 return entry.function;
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parents:
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150 }
b81626b10cb7 Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
151 }
b81626b10cb7 Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
152
b81626b10cb7 Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
153 return null;
b81626b10cb7 Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
154 }
5430
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
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parents: 5164
diff changeset
155
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
156 /** Implementation of case-ignoring dc:contains. */
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
157 public Object contains(List args) throws XPathFunctionException {
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
158 Object haystack = args.get(0);
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
159 Object needle = args.get(1);
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
160
5630
619da3fa7a8b Datacage: fix dc:contains() Do not uppercase needle if its not a container search.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5629
diff changeset
161 if (needle instanceof String && !(haystack instanceof String)) {
5430
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
162 needle = ((String)needle).toUpperCase();
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
163 }
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
164
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
165 try {
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
166 if (haystack instanceof Collection) {
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
167 return Boolean.valueOf(
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
168 ((Collection)haystack).contains(needle));
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
169 }
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
170
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
171 if (haystack instanceof Map) {
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
172 return Boolean.valueOf(
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
173 ((Map)haystack).containsKey(needle));
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
174 }
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
175
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
176 if (haystack instanceof Object []) {
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
177 for (Object straw: (Object [])haystack) {
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
178 if (straw.equals(needle)) {
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
179 return Boolean.TRUE;
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
180 }
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
181 }
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
182 }
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
183
5629
ce982943ab46 Datacage: dc:contains() is now able to process strings
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5608
diff changeset
184 if (haystack instanceof String && needle instanceof String) {
ce982943ab46 Datacage: dc:contains() is now able to process strings
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5608
diff changeset
185 String h = (String)haystack;
ce982943ab46 Datacage: dc:contains() is now able to process strings
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5608
diff changeset
186 String n = (String)needle;
ce982943ab46 Datacage: dc:contains() is now able to process strings
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5608
diff changeset
187 return h.contains(n);
ce982943ab46 Datacage: dc:contains() is now able to process strings
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5608
diff changeset
188 }
ce982943ab46 Datacage: dc:contains() is now able to process strings
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5608
diff changeset
189
5430
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
190 return Boolean.FALSE;
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
191 }
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
192 catch (Exception e) {
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
193 log.error(e);
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
194 throw new XPathFunctionException(e);
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
195 }
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
196 }
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
197
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
198 /** Implementation for getting the minimum value of location or distance
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
199 * dc:fromValue.
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
200 */
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
201 public Object fromValue(List args) throws XPathFunctionException {
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
202 Object mode = args.get(0);
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
203 Object locations = args.get(1);
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
204 Object from = args.get(2);
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
205
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
206 if (!(mode instanceof String)){
5604
7e837c5c377b Datacage: toValue/fromValue: Use constant instead of hard coded number.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5561
diff changeset
207 return -FAR_AWAY;
5430
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
208 }
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
209
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
210 if (mode.equals("locations")) {
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
211 if (!(locations instanceof String)) {
5604
7e837c5c377b Datacage: toValue/fromValue: Use constant instead of hard coded number.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5561
diff changeset
212 return -FAR_AWAY;
5430
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
213 }
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
214 String loc = ((String)locations).replace(" ", "");
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
215 String[] split = loc.split(",");
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
216 if (split.length < 1) {
5604
7e837c5c377b Datacage: toValue/fromValue: Use constant instead of hard coded number.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5561
diff changeset
217 return -FAR_AWAY;
5430
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
218 }
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
219 try {
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
220 double min = Double.parseDouble(split[0]);
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
221 for (int i = 1; i < split.length; ++i) {
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
222 double v = Double.parseDouble(split[i]);
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
223 if (v < min) {
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
224 min = v;
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
225 }
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
226 }
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
227 return min;
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
228 }
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
229 catch (NumberFormatException nfe) {
5604
7e837c5c377b Datacage: toValue/fromValue: Use constant instead of hard coded number.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5561
diff changeset
230 return -FAR_AWAY;
5430
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
231 }
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
232 }
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
233 else if (mode.equals("distance")) {
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
234 if (!(from instanceof String)) {
5604
7e837c5c377b Datacage: toValue/fromValue: Use constant instead of hard coded number.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5561
diff changeset
235 return -FAR_AWAY;
5430
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
236 }
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
237 String f = (String)from;
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
238 try {
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
239 return Double.parseDouble(f);
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
240 }
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
241 catch(NumberFormatException nfe) {
5604
7e837c5c377b Datacage: toValue/fromValue: Use constant instead of hard coded number.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5561
diff changeset
242 return -FAR_AWAY;
5430
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
243 }
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
244 }
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
245 else {
5604
7e837c5c377b Datacage: toValue/fromValue: Use constant instead of hard coded number.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5561
diff changeset
246 return -FAR_AWAY;
5430
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
247 }
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
248 }
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
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249
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250 /** Implementation for getting the maximum value of location or distance
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251 * dc:toValue.
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252 */
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253 public Object toValue(List args) throws XPathFunctionException {
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254 Object mode = args.get(0);
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255 Object locations = args.get(1);
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256 Object to = args.get(2);
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257
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
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258 if (!(mode instanceof String)){
5604
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259 return FAR_AWAY;
5430
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260 }
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261
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262 if (mode.equals("locations")) {
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263 if (!(locations instanceof String)) {
5604
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264 return FAR_AWAY;
5430
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265 }
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
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266 try {
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
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267 String loc = ((String)locations).replace(" ", "");
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268 String[] split = loc.split(",");
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
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diff changeset
269 if (split.length < 1) {
5604
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270 return FAR_AWAY;
5430
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271 }
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272 double max = Double.parseDouble(split[0]);
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273 for (int i = 1; i < split.length; ++i) {
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274 double v = Double.parseDouble(split[i]);
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275 if (v > max) {
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276 max = v;
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277 }
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278 }
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279 return max;
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280 }
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diff changeset
281 catch (NumberFormatException nfe) {
5604
7e837c5c377b Datacage: toValue/fromValue: Use constant instead of hard coded number.
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diff changeset
282 return FAR_AWAY;
5430
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283 }
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Sascha L. Teichmann <teichmann@intevation.de>
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284 }
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
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285 else if (mode.equals("distance")) {
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
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diff changeset
286 if (!(to instanceof String)) {
5604
7e837c5c377b Datacage: toValue/fromValue: Use constant instead of hard coded number.
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diff changeset
287 return FAR_AWAY;
5430
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288 }
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289 else {
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
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290 String t = (String)to;
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
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diff changeset
291 try {
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
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diff changeset
292 return Double.parseDouble(t);
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parents: 5164
diff changeset
293 }
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
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diff changeset
294 catch(NumberFormatException nfe) {
5604
7e837c5c377b Datacage: toValue/fromValue: Use constant instead of hard coded number.
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parents: 5561
diff changeset
295 return FAR_AWAY;
5430
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
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diff changeset
296 }
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
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diff changeset
297 }
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
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diff changeset
298 }
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
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diff changeset
299 else {
5604
7e837c5c377b Datacage: toValue/fromValue: Use constant instead of hard coded number.
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parents: 5561
diff changeset
300 return FAR_AWAY;
5430
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
301 }
ba489a16f4d8 Datacage Function Resolver: Lift from static to object space.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5164
diff changeset
302 }
5561
f8a4ee86d276 Add dc:replace function for datacage
Andre Heinecke <aheinecke@intevation.de>
parents: 5433
diff changeset
303
f8a4ee86d276 Add dc:replace function for datacage
Andre Heinecke <aheinecke@intevation.de>
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diff changeset
304 /** Implementation for doing a string replace
f8a4ee86d276 Add dc:replace function for datacage
Andre Heinecke <aheinecke@intevation.de>
parents: 5433
diff changeset
305 * dc:replace
f8a4ee86d276 Add dc:replace function for datacage
Andre Heinecke <aheinecke@intevation.de>
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diff changeset
306 */
f8a4ee86d276 Add dc:replace function for datacage
Andre Heinecke <aheinecke@intevation.de>
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diff changeset
307 public Object replace(List args) throws XPathFunctionException {
f8a4ee86d276 Add dc:replace function for datacage
Andre Heinecke <aheinecke@intevation.de>
parents: 5433
diff changeset
308 Object haystack = args.get(0);
f8a4ee86d276 Add dc:replace function for datacage
Andre Heinecke <aheinecke@intevation.de>
parents: 5433
diff changeset
309 Object needle = args.get(1);
f8a4ee86d276 Add dc:replace function for datacage
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diff changeset
310 Object replacement = args.get(2);
f8a4ee86d276 Add dc:replace function for datacage
Andre Heinecke <aheinecke@intevation.de>
parents: 5433
diff changeset
311
f8a4ee86d276 Add dc:replace function for datacage
Andre Heinecke <aheinecke@intevation.de>
parents: 5433
diff changeset
312 if (needle instanceof String &&
f8a4ee86d276 Add dc:replace function for datacage
Andre Heinecke <aheinecke@intevation.de>
parents: 5433
diff changeset
313 haystack instanceof String &&
f8a4ee86d276 Add dc:replace function for datacage
Andre Heinecke <aheinecke@intevation.de>
parents: 5433
diff changeset
314 replacement instanceof String) {
f8a4ee86d276 Add dc:replace function for datacage
Andre Heinecke <aheinecke@intevation.de>
parents: 5433
diff changeset
315 return ((String)haystack).replace(
f8a4ee86d276 Add dc:replace function for datacage
Andre Heinecke <aheinecke@intevation.de>
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diff changeset
316 (String)needle, (String)replacement);
f8a4ee86d276 Add dc:replace function for datacage
Andre Heinecke <aheinecke@intevation.de>
parents: 5433
diff changeset
317 } else {
f8a4ee86d276 Add dc:replace function for datacage
Andre Heinecke <aheinecke@intevation.de>
parents: 5433
diff changeset
318 return haystack;
f8a4ee86d276 Add dc:replace function for datacage
Andre Heinecke <aheinecke@intevation.de>
parents: 5433
diff changeset
319 }
f8a4ee86d276 Add dc:replace function for datacage
Andre Heinecke <aheinecke@intevation.de>
parents: 5433
diff changeset
320 }
5608
62513c9183ba Datacage: Added dc:date-format to function resolver. Args: dc:date-format(pattern, date)
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5604
diff changeset
321
62513c9183ba Datacage: Added dc:date-format to function resolver. Args: dc:date-format(pattern, date)
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5604
diff changeset
322 public Object dateFormat(List args) throws XPathFunctionException {
62513c9183ba Datacage: Added dc:date-format to function resolver. Args: dc:date-format(pattern, date)
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5604
diff changeset
323 Object pattern = args.get(0);
62513c9183ba Datacage: Added dc:date-format to function resolver. Args: dc:date-format(pattern, date)
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5604
diff changeset
324 Object date = args.get(1);
5784
efbbfe32e9fe Fix dateFormat for Oracle by invoking dateValue on demand
Andre Heinecke <aheinecke@intevation.de>
parents: 5630
diff changeset
325
efbbfe32e9fe Fix dateFormat for Oracle by invoking dateValue on demand
Andre Heinecke <aheinecke@intevation.de>
parents: 5630
diff changeset
326 try {
efbbfe32e9fe Fix dateFormat for Oracle by invoking dateValue on demand
Andre Heinecke <aheinecke@intevation.de>
parents: 5630
diff changeset
327 // Oracle does not return a date object but an oracle.sql.TIMESTAMP
efbbfe32e9fe Fix dateFormat for Oracle by invoking dateValue on demand
Andre Heinecke <aheinecke@intevation.de>
parents: 5630
diff changeset
328 Method meth = date.getClass().getMethod("dateValue", new Class[] {});
efbbfe32e9fe Fix dateFormat for Oracle by invoking dateValue on demand
Andre Heinecke <aheinecke@intevation.de>
parents: 5630
diff changeset
329 date = meth.invoke(date, new Object [] {});
efbbfe32e9fe Fix dateFormat for Oracle by invoking dateValue on demand
Andre Heinecke <aheinecke@intevation.de>
parents: 5630
diff changeset
330 } catch (IllegalArgumentException e) {
efbbfe32e9fe Fix dateFormat for Oracle by invoking dateValue on demand
Andre Heinecke <aheinecke@intevation.de>
parents: 5630
diff changeset
331 } catch (IllegalAccessException e) {
efbbfe32e9fe Fix dateFormat for Oracle by invoking dateValue on demand
Andre Heinecke <aheinecke@intevation.de>
parents: 5630
diff changeset
332 } catch (InvocationTargetException e) {
efbbfe32e9fe Fix dateFormat for Oracle by invoking dateValue on demand
Andre Heinecke <aheinecke@intevation.de>
parents: 5630
diff changeset
333 } catch (NoSuchMethodException e) {
efbbfe32e9fe Fix dateFormat for Oracle by invoking dateValue on demand
Andre Heinecke <aheinecke@intevation.de>
parents: 5630
diff changeset
334 }
5608
62513c9183ba Datacage: Added dc:date-format to function resolver. Args: dc:date-format(pattern, date)
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5604
diff changeset
335 if (pattern instanceof String && date instanceof Date) {
62513c9183ba Datacage: Added dc:date-format to function resolver. Args: dc:date-format(pattern, date)
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5604
diff changeset
336 try {
62513c9183ba Datacage: Added dc:date-format to function resolver. Args: dc:date-format(pattern, date)
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5604
diff changeset
337 // TODO: Take locale into account.
62513c9183ba Datacage: Added dc:date-format to function resolver. Args: dc:date-format(pattern, date)
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5604
diff changeset
338 return new SimpleDateFormat((String)pattern).format((Date)date);
62513c9183ba Datacage: Added dc:date-format to function resolver. Args: dc:date-format(pattern, date)
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5604
diff changeset
339 }
62513c9183ba Datacage: Added dc:date-format to function resolver. Args: dc:date-format(pattern, date)
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5604
diff changeset
340 catch (IllegalArgumentException iae) {
62513c9183ba Datacage: Added dc:date-format to function resolver. Args: dc:date-format(pattern, date)
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5604
diff changeset
341 throw new XPathFunctionException(iae);
62513c9183ba Datacage: Added dc:date-format to function resolver. Args: dc:date-format(pattern, date)
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5604
diff changeset
342 }
62513c9183ba Datacage: Added dc:date-format to function resolver. Args: dc:date-format(pattern, date)
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5604
diff changeset
343 }
62513c9183ba Datacage: Added dc:date-format to function resolver. Args: dc:date-format(pattern, date)
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5604
diff changeset
344 return "";
62513c9183ba Datacage: Added dc:date-format to function resolver. Args: dc:date-format(pattern, date)
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5604
diff changeset
345 }
998
b81626b10cb7 Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
346 }
b81626b10cb7 Datacage: Moved templating in a better suited package.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
347 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org