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18 package org.apache.commons.jxpath.ri.model;
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20 import java.util.Locale;
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22 import org.apache.commons.jxpath.JXPathContext;
23 import org.apache.commons.jxpath.Variables;
24 import org.apache.commons.jxpath.ri.QName;
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31 public class VariablePointerFactory implements NodePointerFactory {
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36 public static final class VariableContextWrapper {
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38 private final JXPathContext context;
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45 private VariableContextWrapper(final JXPathContext context) {
46 this.context = context;
47 }
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54 public JXPathContext getContext() {
55 return context;
56 }
57 }
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60 public static final int VARIABLE_POINTER_FACTORY_ORDER = 890;
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68 public static VariableContextWrapper contextWrapper(final JXPathContext context) {
69 return new VariableContextWrapper(context);
70 }
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73
74
75 public VariablePointerFactory() {
76
77 }
78
79 @Override
80 public NodePointer createNodePointer(final NodePointer parent, final QName qName, final Object object) {
81 return createNodePointer(qName, object, null);
82 }
83
84 @Override
85 public NodePointer createNodePointer(final QName qName, final Object object, final Locale locale) {
86 if (object instanceof VariableContextWrapper) {
87 JXPathContext varCtx = ((VariableContextWrapper) object).getContext();
88 while (varCtx != null) {
89 final Variables vars = varCtx.getVariables();
90 if (vars.isDeclaredVariable(qName.toString())) {
91 return new VariablePointer(vars, qName);
92 }
93 varCtx = varCtx.getParentContext();
94 }
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98 return new VariablePointer(qName);
99 }
100 return null;
101 }
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103 @Override
104 public int getOrder() {
105 return VARIABLE_POINTER_FACTORY_ORDER;
106 }
107 }