Java FileUtil.createMemoryFileSystem方法代碼示例

import org.openide.filesystems.FileUtil; //導入方法依賴的package包/類
private static FileSystem getFileSystemFromCache(Map<String,Reference<RemoteFileSystem>> cache, String key, Callable<RemoteFileSystem> create) {
    synchronized (cache) {
        RemoteFileSystem fs = cache.containsKey(key) ? cache.get(key).get() : null;
        if (fs == null) {
            try {
                fs = create.call();
                if (fs == null) {
                    return null;
                }
                cache.put(key, new WeakReference<RemoteFileSystem>(fs));
            } catch (Exception ex) {
                Exceptions.printStackTrace(ex);
                return FileUtil.createMemoryFileSystem();
            }
        }
        return fs;
    }
}
 

import org.openide.filesystems.FileUtil; //導入方法依賴的package包/類
private void testNaturalComparator(String[] fileNames,
        String[] expectedOrder) throws IOException {
    FolderComparator c = new FolderComparator(FolderComparator.NATURAL);
    FileSystem fs = FileUtil.createMemoryFileSystem();
    FileObject root = fs.getRoot();
    List<DataObject> list = new ArrayList<DataObject>();
    for (String n : fileNames) {
        FileObject fo = root.createData(n);
        assertNotNull(fo);
        list.add(DataObject.find(fo));
    }

    Collections.sort(list, c);
    for (int i = 0; i < expectedOrder.length; i++) {
        assertEquals(expectedOrder[i], list.get(i).getName());
    }
}
 

import org.openide.filesystems.FileUtil; //導入方法依賴的package包/類
/** Does getIterator honours DataObject's cookies?
 */
public void testGetIteratorHonoursDataObjectsCookies () throws Exception {
    FileSystem fs = FileUtil.createMemoryFileSystem();
    DataObject obj;
    Loader l = Loader.findObject (Loader.class, true);
    try {
        AddLoaderManuallyHid.addRemoveLoader (l, true);
        obj = DataObject.find (fs.getRoot ());
    } finally {
        AddLoaderManuallyHid.addRemoveLoader (l, false);
    }
    
    TemplateWizard.Iterator it = TemplateWizard.getIterator (obj);
    
    assertEquals ("Iterator obtained from the object's cookie", obj, it);
}
 

import org.openide.filesystems.FileUtil; //導入方法依賴的package包/類
private void rememberConfigurations () {
    FileObject fo = project.getProjectDirectory().getFileObject(ProjectConfigurations.CONFIG_PROPS_PATH);
    if (fo != null) {
        //Has configurations
        try {
            FileSystem fs = FileUtil.createMemoryFileSystem();
            FileUtil.copyFile(fo, fs.getRoot(),fo.getName());
            fo = project.getProjectDirectory().getFileObject("nbproject/private/configs");      //NOI18N
            if (fo != null && fo.isFolder()) {
                FileObject cfgs = fs.getRoot().createFolder("configs");                         //NOI18N
                for (FileObject child : fo.getChildren()) {
                    FileUtil.copyFile(child, cfgs, child.getName());
                }
            }
            configs = fs;
        } catch (IOException ioe) {
            Exceptions.printStackTrace(ioe);
        }
    }
}
 

import org.openide.filesystems.FileUtil; //導入方法依賴的package包/類
protected void setUp () throws Exception {
    
    cnt = 0;
    
    File f = new File(getWorkDir(), "layer.xml");
    FileWriter w = new FileWriter(f);
    w.write("<filesystem><file name='x.instance'> ");
    w.write("  <attr name='name' methodvalue='" + InstanceDataObjectGetNameTest.class.getName() + ".computeName'/> ");
    w.write("</file></filesystem> ");
    w.close();

    fs = new MultiFileSystem(new FileSystem[] { 
        FileUtil.createMemoryFileSystem(), 
        new XMLFileSystem(f.toURL())
    });
    FileObject fo = fs.findResource("x.instance");
    assertNotNull(fo);
    
    assertNull(fo.getAttribute("name"));
    assertEquals("One call", 1, cnt);
    // clean
    cnt = 0;

    obj = DataObject.find(fo);
    
    assertEquals("No calls now", 0, cnt);
}
 

import org.openide.filesystems.FileUtil; //導入方法依賴的package包/類
private static FileSystem createDefFs() {
    try
    {
        FileSystem writeFs = FileUtil.createMemoryFileSystem();
        FileSystem layerFs = new XMLFileSystem(RepositoryImpl.class.getClassLoader().getResource("org/netbeans/modules/css/resources/layer.xml"));
        return new MultiFileSystem(new FileSystem[] { writeFs, layerFs });
    } catch (SAXException e) {
        return null;
    }
}
 

import org.openide.filesystems.FileUtil; //導入方法依賴的package包/類
private static FileSystem createDefFs() {
    try
    {
        FileSystem writeFs = FileUtil.createMemoryFileSystem();
        FileSystem layerFs = new XMLFileSystem(RepositoryImpl.class.getClassLoader().getResource("org/netbeans/modules/db/resources/mf-layer.xml"));
        FileSystem dbapiLayerFs = new XMLFileSystem(RepositoryImpl.class.getClassLoader().getResource("org/netbeans/modules/dbapi/resources/layer.xml"));
        return new MultiFileSystem(new FileSystem[] { writeFs, layerFs, dbapiLayerFs });
    } catch (SAXException e) {
        return null;
    }
}
 

import org.openide.filesystems.FileUtil; //導入方法依賴的package包/類
public DefaultJavaPlatformProviderTest(final String name) {
    super(name);
    fs = FileUtil.createMemoryFileSystem();
    fs.getRoot();
    rp = new Repository(fs);
    System.setProperty("org.openide.util.Lookup", DefaultJavaPlatformProviderTest.Lkp.class.getName()); //NOI18N
    Assert.assertEquals(DefaultJavaPlatformProviderTest.Lkp.class, Lookup.getDefault().getClass());
}
 

import org.openide.filesystems.FileUtil; //導入方法依賴的package包/類
/**
 * Tests the method findOriginal()
 * @throws Exception 
 */
public void testFindOriginal() throws Exception {
    FileSystem fs = FileUtil.createMemoryFileSystem();
    FileObject orig = FileUtil.createData(fs.getRoot(), "path/to/orig");
    FileObject shadow = FileUtil.createData(fs.getRoot(), "link.shadow");
    shadow.setAttribute("originalFile", "path/to/orig");
    assertEquals("found the right original file", 
            orig, DataShadow.findOriginal(shadow));
}
 

import org.openide.filesystems.FileUtil; //導入方法依賴的package包/類
/**
 * Checks that findOriginal throws Exception on a malformed 
 * shadow
 * @throws Exception 
 */
public void testFindBrokenOriginal() throws Exception {
    FileSystem fs = FileUtil.createMemoryFileSystem();
    FileObject orig = FileUtil.createData(fs.getRoot(), "path/to/orig");
    FileObject shadow = FileUtil.createData(fs.getRoot(), "link.shadow");
    try {
        DataShadow.findOriginal(shadow);
        fail("IOException should be thrown on malformed shadow");
    } catch (IOException ex) {
        // this is oK
    }
}
 

import org.openide.filesystems.FileUtil; //導入方法依賴的package包/類
public void testFindOriginalFromAnonymousFilesystem() throws Exception {
    // Helpful for XML layer editing.
    FileSystem fs = FileUtil.createMemoryFileSystem();
    FileObject orig = FileUtil.createData(fs.getRoot(), "path/to/orig");
    FileObject shadow = FileUtil.createData(fs.getRoot(), "link.shadow");
    shadow.setAttribute("originalFile", "path/to/orig");
    assertEquals("found the right original file", DataObject.find(orig), DataShadow.deserialize(shadow));
    orig = FileUtil.createData(fs.getRoot(), "path to orig");
    shadow = FileUtil.createData(fs.getRoot(), "link2.shadow");
    shadow.setAttribute("originalFile", "path to orig");
    assertEquals("found the right original file", DataObject.find(orig), DataShadow.deserialize(shadow));
}
 

import org.openide.filesystems.FileUtil; //導入方法依賴的package包/類
/**
 * Set the global default lookup with the specified content.
 *
 * @param layers xml-layer URLs to be present in the system filesystem.
 * @param instances object instances to be present in the default lookup.
 */
public static void setup (
    String[] layers, 
    Object[] instances
) {
    ClassLoader classLoader = IDEInitializer.class.getClassLoader ();
    File workDir = new File (Manager.getWorkDirPath ());
    URL[] urls = new URL [layers.length];
    int i, k = urls.length;
    for (i = 0; i < k; i++)
        urls [i] = classLoader.getResource (layers [i]);

    // 1) create repository
    XMLFileSystem systemFS = new XMLFileSystem ();
    lfs = FileUtil.createMemoryFileSystem();
    try {
        systemFS.setXmlUrls (urls);
    } catch (Exception ex) {
        ex.printStackTrace ();
    }
    MyFileSystem myFileSystem = new MyFileSystem (
        new FileSystem [] {lfs, systemFS}
    );
    Repository repository = new Repository (myFileSystem);

    Object[] lookupContent = new Object [instances.length + 1];
    lookupContent [0] = repository;
    System.arraycopy (instances, 0, lookupContent, 1, instances.length);
    
    DEFAULT_LOOKUP.setLookups (new Lookup[] {
        Lookups.fixed (lookupContent),
        Lookups.metaInfServices (classLoader),
        Lookups.singleton (classLoader),
    });
    Assert.assertTrue (myFileSystem.isDefault());
}
 

import org.openide.filesystems.FileUtil; //導入方法依賴的package包/類
public void testDuplicateRandomTest() throws IOException {
    if (!RUN_RANDOM_TESTS) {
        return;
    }
    final FileSystem fs = FileUtil.createMemoryFileSystem();
    String[] paths = generateRandomTree(TREE_DEPTH,TREE_CHILD_COUNT);
    FileObject root = fs.getRoot();
    populateFolderStructure(root, paths);
    Random r = new Random(System.currentTimeMillis());
    for (int runCount=0; runCount<TEST_COUNT; runCount++) {
        System.out.println("Run: " + runCount);
        final Set<FileObject> testSet = new HashSet<FileObject>();
        while (testSet.size() < SINGLE_TEST_SET_SIZE) {
            final String s = paths[r.nextInt(paths.length)];
            FileObject fo = root.getFileObject(s);
            final int shift = r.nextInt(TREE_DEPTH);
            for (int i = 0; i<shift; i++) {
                fo = fo.getParent();
            }
            testSet.add(fo);
        }
        FileObjectCrawler crawler = new FileObjectCrawler(
            root,
            testSet.toArray(new FileObject[testSet.size()]),
            EnumSet.<Crawler.TimeStampAction>of(Crawler.TimeStampAction.UPDATE),
            null,
            CR,
            SuspendSupport.NOP);
        assertCollectedFiles(
                "Wrong files collected for: " + testSet,
                crawler.getResources(),
                crawl(testSet, root));
    }
}
 

import org.openide.filesystems.FileUtil; //導入方法依賴的package包/類
public void testFindsAllDirectories() throws IOException {
    FileSystem fs = FileUtil.createMemoryFileSystem();
    FileUtil.createData(fs.getRoot(), "MyPrj/pom.xml");
    FileUtil.createData(fs.getRoot(), "MyPrj/a/pom.xml");
    FileUtil.createData(fs.getRoot(), "MyPrj/a/b/pom.xml");
    FileUtil.createData(fs.getRoot(), "MyPrj/a/b/c/pom.xml");
    FileObject root = fs.findResource("MyPrj");
    
    Set<FileObject> res = ArchetypeWizardUtils.openProjects(root, null);
    
    assertEquals("Four projects found: " + res, 4, res.size());
}
 

import org.openide.filesystems.FileUtil; //導入方法依賴的package包/類
@Override
protected void setUp() throws IOException {
    FileSystem ms = FileUtil.createMemoryFileSystem();
    fo = ms.getRoot().createData("my.wsmode");
    OutputStream os = fo.getOutputStream();
    FileUtil.copy(DesignSupportTest.class.getResourceAsStream("testWsmode.xml"), os);
    os.close();
}