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19 package org.netbeans.mdr.storagemodel;
20
21 import java.util.*;
22 import java.io.*;
23
24 import javax.jmi.reflect.*;
25
26 import org.netbeans.mdr.handlers.BaseObjectHandler;
27 import org.netbeans.mdr.persistence.StorageException;
28 import org.netbeans.mdr.persistence.MOFID;
29 import org.netbeans.mdr.util.IOUtils;
30
31
34 public class AttrImmutList extends AbstractList {
35
36 protected Object  [] data;
37 private String typeName;
38
39 public AttrImmutList() {
40 }
41
42 AttrImmutList(StorableFeatured mdrObject, StorableClass.AttributeDescriptor desc) throws StorageException {
43 this(mdrObject, desc, null);
44 }
45
46 AttrImmutList(StorableFeatured mdrObject, StorableClass.AttributeDescriptor desc, Collection values) throws StorageException {
47 Class type = desc.getType();
48 if (RefEnum.class.isAssignableFrom(type) || RefStruct.class.isAssignableFrom(type)) {
49 typeName = type.getName();
50 } else {
51 typeName = null;
52 }
53
54 if (values == null) {
55 data = new Object [0];
56 } else {
57 data = values.toArray();
58 for (int i = 0; i < data.length; i++) {
59 if (data[i] == null) {
60 throw new NullPointerException ();
61 }
62 if (!type.isInstance(data[i])) {
63 throw new TypeMismatchException(type, data[i], getMetaElement(mdrObject.getMdrStorage(), desc.getMofId()));
64 }
65 }
66 }
67
68 if ((data.length < desc.getMinSize()) || ((desc.getMaxSize() > -1) && (data.length > desc.getMaxSize()))) {
69 throw new WrongSizeException(getMetaElement(mdrObject.getMdrStorage(), desc.getMofId()));
70 }
71
72 if (type.isInstance(RefObject.class)) {
73 setAttribComposite(mdrObject.getMofId(), values, desc.getMofId());
74 }
75 }
76
77 protected void setAttribComposite(MOFID compositeId, RefObject object, MOFID metaMofId) throws StorageException {
78 StorableObject storable = (StorableObject) ((BaseObjectHandler) object)._getDelegate();
79 storable.setComposite(compositeId, storable.getMofId(), metaMofId);
80 }
81
82 protected void setAttribComposite(MOFID compositeId, Collection list, MOFID metaMofId) throws StorageException {
83 for (Iterator it = list.iterator(); it.hasNext();) {
84 setAttribComposite(compositeId, (RefObject) it.next(), metaMofId);
85 }
86 }
87
88 protected RefObject getMetaElement(MdrStorage mdrStorage, MOFID mofId) {
89 try {
90 return (RefObject) mdrStorage.getRepository().getHandler(mdrStorage.getObject(mofId));
91 } catch (Exception e) {
92 return null;
93 }
94 }
95
96 public Object get(int index) {
97 return data[index];
98 }
99
100 public int size() {
101 return data.length;
102 }
103
104 public void read(InputStream stream, StorableBaseObject storable) throws IOException {
105 typeName = (String ) storable.getMdrStorage().values(storable.getMofId()).resolve(IOUtils.readInt(stream));
106 int size = IOUtils.readInt(stream);
107 data = new Object [size];
108 for (int i = 0; i < size; i++) {
109 data[i] = IOUtils.read(stream, storable);
110 }
111 }
112
113 public void write(OutputStream stream, StorableBaseObject storable) throws IOException {
114 IOUtils.writeInt(stream, storable.getMdrStorage().values(storable.getMofId()).indexOf(typeName));
115 IOUtils.writeInt(stream, data.length);
116 for (int i = 0; i < data.length; i++) {
117 IOUtils.write(stream, data[i], storable);
118 }
119 }
120 }
121 |
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