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1 package org.enhydra.shark.xpdl.elements;
2
3 import java.util.HashMap  ;
4 import java.util.Map ;
5
6 import org.enhydra.shark.xpdl.XMLComplexElement;
7 import org.enhydra.shark.xpdl.XMLElement;
8 import org.enhydra.shark.xpdl.XMLUtil;
9
10
15 public class DataType extends XMLComplexElement {
16
17 private static Map basicTypesMap=new HashMap ();
18 static {
19 basicTypesMap.put("BOOLEAN","java.lang.Boolean");
20 basicTypesMap.put("STRING","java.lang.String");
21 basicTypesMap.put("INTEGER","java.lang.Long");
22 basicTypesMap.put("FLOAT","java.lang.Double");
23 basicTypesMap.put("DATETIME","java.util.Date");
24 }
25
26 protected transient String javaType;
27
28 public DataType (XMLComplexElement parent) {
29 super(parent, true);
30 }
31
32 protected void fillStructure () {
33 DataTypes refDataTypes=new DataTypes(this);
34
35 add(refDataTypes);
36 }
37
38 public void initCaches () {
39 super.initCaches();
40 javaType=getChoosenType(getDataTypes(), XMLUtil.getPackage(this));
41 }
42
43 public void clearCaches () {
44 javaType=null;
45 super.clearCaches();
46 }
47
48 public String getJavaType () {
49 if (!isReadOnly) {
50 throw new RuntimeException ("This method can be used only in read-only mode!");
51 }
52 return javaType;
53 }
54
55 private static String getChoosenType (DataTypes types,Package pkg) {
56 XMLElement choosenType=types.getChoosen();
57 if (choosenType instanceof BasicType) {
58 String subTypeName=((BasicType)choosenType).getType();
59 if (DataType.basicTypesMap.containsKey(subTypeName)) {
60 return (String )DataType.basicTypesMap.get(subTypeName);
61 }
62 } else if (choosenType instanceof DeclaredType) {
63 TypeDeclaration td=pkg.getTypeDeclaration(((DeclaredType)choosenType).getId());
64 DataTypes dtypes=td.getDataTypes();
65 return getChoosenType(dtypes,pkg);
66 } else if (choosenType instanceof ExternalReference) {
67 return ((ExternalReference)choosenType).getLocation();
68 }
69 return "java.lang.Object";
70
71 }
72
73 public DataTypes getDataTypes() {
74 return (DataTypes)get("Type");
75 }
76
77 }
78 |
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