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1 package org.jicengine.element.impl;
2
3 import org.jicengine.element.ActionElement;
4 import org.jicengine.element.CdataHandler;
5 import org.jicengine.element.Element;
6 import org.jicengine.element.ElementCompiler;
7 import org.jicengine.element.ElementException;
8 import org.jicengine.element.Location;
9 import org.jicengine.element.VariableElement;
10 import org.jicengine.expression.ClassParser;
11 import org.jicengine.expression.FactoryInvocationParser;
12 import org.jicengine.operation.Context;
13
14 public class CdataConverterElementCompiler extends ElementCompiler {
15
16 private Class  targetClass;
17 public CdataConverterElementCompiler(String name, Location location, String [] parameters) throws ElementException
18 {
19 super(name, location);
20
21 try {
22 Class targetClass = ClassParser.toClass((String )parameters[0]);
23 this.targetClass = targetClass;
24
25
27 if( CdataHandler.isDefaultCdataConversionType(targetClass)){
28 throw new ElementException("User-defined CDATA conversion can not override default conversion for '" + parameters[0] + "'", getName(), getLocation());
29 }
30
31 getElement().setAction(new RegisterFactoryOperation(name,new String []{Element.VARIABLE_NAME_CDATA},new Class []{String .class}, toContextVariableName(targetClass)));
32
33 } catch (ClassNotFoundException e){
34 throw new ElementException("Target class '" + parameters[0] + "' not found.", getName(), getLocation());
35 }
36 }
37
38
39
45 protected ActionElement handleLooseVariableElement(final VariableElement child) throws ElementException
46 {
47 if( ((RegisterFactoryOperation)getElement().getAction()).getFactoryElement() != null ){
48 throw new ElementException("Illegal child " + child + ". Only single element is allowed inside element of type 'factory'.", getName(), getLocation());
49 }
50
51 if( !org.jicengine.operation.ReflectionUtils.isAssignableFrom(this.targetClass, child.getInstanceClass()) ){
52 throw new ElementException("Expected '" + child.getName() + "' to be '" + this.targetClass.getName() + "', was '" + child.getInstanceClass() + "'", getName(), getLocation());
53 }
54
55 ((RegisterFactoryOperation)getElement().getAction()).setFactoryElement(child);
56
57 return new ActionElement(){
59 public void execute(Context context, Object parentInstance)
60 {
61 }
62 public String getName()
63 {
64 return child.getName();
65 }
66 public Location getLocation()
67 {
68 return child.getLocation();
69 }
70 public boolean isExecuted(Context outerContext, Object parentInstance)
71 {
72 return false;
73 }
74 };
75
76 }
77
78 public static String toContextVariableName(Class targetClass)
79 {
80 return "cdata-converter::" + targetClass.getName();
81 }
82
83 }
84 |
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