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1
19
20 package org.openide.loaders;
21 import java.io.IOException  ;
22 import java.lang.ref.WeakReference ;
23 import java.util.Enumeration ;
24 import java.util.List ;
25 import javax.swing.JButton ;
26 import javax.swing.SwingUtilities ;
27 import org.netbeans.junit.NbTestCase;
28 import org.openide.cookies.InstanceCookie;
29 import org.openide.filesystems.FileObject;
30 import org.openide.filesystems.FileUtil;
31 import org.openide.filesystems.Repository;
32 import org.openide.util.Enumerations;
33 import org.openide.util.Lookup;
34 import org.openide.util.lookup.AbstractLookup;
35 import org.openide.util.lookup.InstanceContent;
36
37
38
43 public class CanYouCreateFolderLookupFromHandleFindSlowVersionTest extends LoggingTestCaseHid {
44
45
46 public CanYouCreateFolderLookupFromHandleFindSlowVersionTest(String s) {
47 super(s);
48 }
49
50 protected void setUp() {
51 registerIntoLookup(new Pool());
52 }
53
54 public void testCreateAndImmediatellyQueryWhenThereIsALotfSlowDataObjectsTheLookup() throws Exception {
55 MyLoader m = (MyLoader)MyLoader.getLoader(MyLoader.class);
56 m.button = FileUtil.createFolder(Repository.getDefault().getDefaultFileSystem().getRoot(), "FolderLookup");
57 DataObject instance = InstanceDataObject.create(DataFolder.findFolder(m.button), "SomeName", JButton .class);
58 m.instanceFile = instance.getPrimaryFile();
59 for (int i = 0; i < 15; i++) {
60 m.button.createData("slow" + i + ".slow");
61 }
62
63
64 WeakReference ref = new WeakReference (instance);
65 instance = null;
66 assertGC("Object must disappear first", ref);
67
68 FileObject any = Repository.getDefault().getDefaultFileSystem().getRoot().createData("Ahoj.txt");
69 DataObject obj = DataObject.find(any);
70
71 assertEquals("The right object found", m, obj.getLoader());
72 assertNotNull("Value found", m.v);
73 assertEquals("Button", JButton .class, m.v.getClass());
74 assertNotNull("Lookup created", m.lookup);
75 assertEquals("All slow files recognized", 15, m.slowCnt);
76 }
77
78
79 public static final class MyLoader extends UniFileLoader {
80 public FileObject button;
81 public Object v;
82 public Lookup lookup;
83
84 public InstanceDataObject created;
85
86 private FileObject instanceFile;
87
88 private DataObject middleCreation;
89
90 private int slowCnt;
91
92 public MyLoader() throws IOException {
93 super("org.openide.loaders.MultiDataObject");
94 }
95
96 protected FileObject findPrimaryFile(FileObject fo) {
97 if (fo.hasExt("slow")) {
98 slowCnt++;
99 try {
100 Thread.sleep(1000);
101 } catch (InterruptedException ex) {
102 ex.printStackTrace();
103 fail("No failures, please");
104 }
105 return null;
106 }
107
108 if (!fo.hasExt("txt")) {
109 return null;
110 }
111
112 assertNull("First invocation", lookup);
113
114 FolderLookup l = new FolderLookup(DataFolder.findFolder(button));
115 lookup = l.getLookup();
116 v = lookup.lookup(JButton .class);
117 assertNotNull("The instance computed", v);
118
119 return fo;
120 }
121
122 protected MultiDataObject createMultiObject(FileObject primaryFile) throws DataObjectExistsException, IOException {
123 return new MultiDataObject(primaryFile, this);
124 }
125 }
126
127 private static final class Pool extends DataLoaderPool {
128 static List loaders;
129
130 public Pool() {
131 }
132
133 public Enumeration loaders() {
134 return Enumerations.singleton(DataLoader.getLoader(MyLoader.class));
135 }
136 }
137
138 }
139 |
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