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1 package org.jicengine.builder;
2
3 import org.jicengine.operation.ReflectionUtils;
4
5 import org.jicengine.element.*;
6
7 import java.lang.reflect.InvocationTargetException  ;
8 import java.util.*;
9
10
21
22 public class TypeManagerImpl implements TypeManager {
23
24 private Map typeNamesToClassesMap;
25
26 public TypeManagerImpl(Map elements)
27 {
28 this.typeNamesToClassesMap = elements;
29 }
30
31 public ElementCompiler createCompiler(String elementName, Location location, Type elementType) throws ElementException {
32 Class elementClass = (Class ) this.typeNamesToClassesMap.get(elementType.getName());
33 if( elementClass == null ){
34 throw new AttributeException("Type named '" + elementType.getName() + "' not supported. use " + this.typeNamesToClassesMap.keySet(), elementName, location);
35 }
36
37 String [] typeParameters = elementType.getParameters();
38
39 Object [] parameters;
40 if( typeParameters.length > 0 ){
41 parameters = new Object [3];
42 parameters[0] = elementName;
43 parameters[1] = location;
44 parameters[2] = typeParameters;
45 }
46 else {
47 parameters = new Object [2];
48 parameters[0] = elementName;
49 parameters[1] = location;
50 }
51
52 try {
53 ElementCompiler element = (ElementCompiler) org.jicengine.operation.ReflectionUtils.instantiate(elementClass, parameters);
54 return element;
55 } catch (InvocationTargetException e1){
56 Throwable targetException = e1.getTargetException();
57 if( targetException instanceof ElementException){
58 throw (ElementException) targetException;
59 }
60 else {
61 throw new RuntimeException ("Failed to create element of type " + elementType.getSignature(),e1);
62 }
63 } catch (Exception e2){
64 throw new RuntimeException ("Failed to create element of type " + elementType.getSignature(),e2);
65 }
66 }
67 }
68 |
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