Java Code Examples for org.openide.filesystems.FileUtil#findBrother()

public void saveProperties() throws FileAlreadyLockedException, IOException {
    OutputStream out = null;
    FileLock lock = null;
    try {
        FileObject pFile = file.getPrimaryFile();
        FileObject myFile = FileUtil.findBrother(pFile, extension);
        if (myFile == null) {
            myFile = FileUtil.createData(pFile.getParent(), pFile.getName() + "." + extension);
        }
        lock = myFile.lock();
        out = myFile.getOutputStream(lock);
        store(out, "");
    } finally {
        if (out != null) {
            out.close();
        }
        if (lock != null) {
            lock.releaseLock();
        }
    }
}
 

/** For a given file find the primary file. 
 * @param fo the file to find the primary file for
 * @return the primary file for this file or null
 * if this file is not recognized by this loader.
 */
protected FileObject findPrimaryFile(FileObject fo) {
    // never recognize folders.
    if (fo.isFolder()) {
        return null;
    }
    String ext = fo.getExt();
    if (ext.equalsIgnoreCase(INFO_EXTENSION)) {
        FileObject info = FileUtil.findBrother(fo, FILE_EXTENSION);
        if (info != null) {
            return info;
        } else {
            return null;
        }
    }
    if (getExtensions().isRegistered(fo)) {
        return fo;
    }
    return null;
}
 

@Override
public void run() throws IOException {
    FileObject target = FileUtil.createData(getProject().getProjectDirectory(), path);
    if (tokens == null) {
        copyByteAfterByte(content, target);
    } else {
        copyAndSubstituteTokens(content, target, tokens);
    }
    // #129446: form editor doesn't work sanely unless you do this:
    if (target.hasExt("form")) { // NOI18N
        FileObject java = FileUtil.findBrother(target, "java"); // NOI18N
        if (java != null) {
            java.setAttribute("justCreatedByNewWizard", true); // NOI18N
        }
    } else if (target.hasExt("java") && FileUtil.findBrother(target, "form") != null) { // NOI18N
        target.setAttribute("justCreatedByNewWizard", true); // NOI18N
    }
}
 

@Override
protected FileObject findPrimaryFile(FileObject fo)
{
    LOG.info("FormKitDataLoader.findPrimaryFile(): " + fo.getNameExt());
    cnt++;
    
    String ext = fo.getExt();
    if (ext.equals(FORM_EXTENSION))
    {
        return FileUtil.findBrother(fo, JAVA_EXTENSION);
    }
    if (ext.equals(JAVA_EXTENSION) && FileUtil.findBrother(fo, FORM_EXTENSION) != null)
    {
        return fo;
    }
    return null;
}
 

@Override
protected FileObject findPrimaryFile(FileObject fo)
{
    LOG.info("FXKitDataLoader.findPrimaryFile(): " + fo.getNameExt());
    cnt++;

    String ext = fo.getExt();
    if (ext.equals(FX_EXT))
    {
        return FileUtil.findBrother(fo, JAVA_EXTENSION);
    }
    if (ext.equals(JAVA_EXTENSION) && FileUtil.findBrother(fo, FX_EXT) != null)
    {
        return fo;
    }
    return null;
}
 

protected FileObject findPrimaryFile(FileObject fo)
{
    LOG.info("FormKitDataLoader.findPrimaryFile(): " + fo.getNameExt());
    cnt++;

    String ext = fo.getExt();
    if (ext.equals(FORM_EXTENSION))
    {
        return FileUtil.findBrother(fo, JAVA_EXTENSION);
    }
    if (ext.equals(JAVA_EXTENSION) && FileUtil.findBrother(fo, FORM_EXTENSION) != null)
    {
        return fo;
    }
    return null;
}
 

protected MultiDataObject createMultiObject(FileObject primaryFile) throws DataObjectExistsException, java.io.IOException
{
    LOG.info("FormKitDataLoader.createMultiObject(): " + primaryFile.getNameExt());

    return new FormKitDataObject(FileUtil.findBrother(primaryFile, FORM_EXTENSION),
            primaryFile,
            this);
}
 

protected FileObject findPrimaryFile(FileObject fo) {
    if (!fo.isFolder()) {
        // here is the common code for the worse behaviour
        if (fo.hasExt("prima")) {
            return FileUtil.findBrother(fo, "seconda") != null ? fo : null;
        }
        
        if (fo.hasExt("seconda")) {
            return FileUtil.findBrother(fo, "prima");
        }
    }
    return null;
}
 

@Override
protected MultiDataObject createMultiObject(FileObject primaryFile) throws DataObjectExistsException, java.io.IOException
{
    LOG.info("FormKitDataLoader.createMultiObject(): " + primaryFile.getNameExt());

    return new FormKitDataObject(FileUtil.findBrother(primaryFile, FORM_EXTENSION),
            primaryFile,
            this);
}
 

@Override
protected MultiDataObject createMultiObject(FileObject primaryFile) throws DataObjectExistsException, java.io.IOException
{
    LOG.info("FXKitDataLoader.createMultiObject(): " + primaryFile.getNameExt());

    return new FXKitDataObject(FileUtil.findBrother(primaryFile, FX_EXT),
            primaryFile,
            this);
}
 

/** For a given file finds a primary file.
    * @param fo the file to find primary file for
    *
    * @return the primary file for the file or null if the file is not
    *   recognized by this loader
    */
   @Override
   protected FileObject findPrimaryFile(FileObject fo) {
// never recognize folders.
       if (fo.isFolder()) return null;
       String ext = fo.getExt();
       if (ext.equals(FORM_EXTENSION))
           return FileUtil.findBrother(fo, JAVA_EXTENSION);

       FileObject javaFile = findJavaPrimaryFile(fo);
       return javaFile != null
                   && FileUtil.findBrother(javaFile, FORM_EXTENSION) != null ?
           javaFile : null;
   }
 

protected FileObject findPrimaryFile(FileObject fo) {
    if (!fo.isFolder()) {
        // here is the common code for the worse behaviour
        if (fo.hasExt("prima")) {
            return FileUtil.findBrother(fo, "seconda") != null ? fo : null;
        }
        
        if (fo.hasExt("seconda")) {
            return FileUtil.findBrother(fo, "prima");
        }
    }
    return null;
}
 

protected FileObject findPrimaryFile(FileObject fo) {
    if (!fo.isFolder()) {
        // here is the common code for the worse behaviour
        if (fo.hasExt("prima")) {
            return FileUtil.findBrother(fo, "seconda") != null ? fo : null;
        }
        
        if (fo.hasExt("seconda")) {
            return FileUtil.findBrother(fo, "prima");
        }
    }
    return null;
}
 

protected FileObject findPrimaryFile(FileObject fo) {
    if (!fo.isFolder()) {
        // here is the common code for the worse behaviour
        if (fo.hasExt("prima")) {
            return FileUtil.findBrother(fo, "seconda") != null ? fo : null;
        }
        
        if (fo.hasExt("seconda")) {
            return FileUtil.findBrother(fo, "prima");
        }
    }
    return null;
}
 

@Override
protected FileObject findPrimaryFile(FileObject fo) {
    if (!fo.isFolder()) {
        // here is the common code for the worse behaviour
        if (fo.hasExt("prima")) {
            return FileUtil.findBrother(fo, "seconda") != null ? fo : null;
        }
        
        if (fo.hasExt("seconda")) {
            return FileUtil.findBrother(fo, "prima");
        }
    }
    return null;
}
 

/**
 * Returns instance of GlobalAction encapsulating action, or null.
 */
private GlobalAction createAction (DataObject dataObject, String prefix, String name, boolean ignoreUserRemoves) {
    InstanceCookie ic = dataObject.getCookie(InstanceCookie.class);
    // handle any non-IC file as instruction to remove the action
    FileObject pf = dataObject.getPrimaryFile();
    if (ignoreUserRemoves && pf.canRevert()) {
        return null;
    }
    if (ic == null) {
        if (!EXT_REMOVED.equals(pf.getExt())) {
            LOG.log(Level.WARNING, "Invalid shortcut: {0}", dataObject);
            return null;
        }
        // ignore the 'remove' file, if there's a shadow (= real action) present
        if (FileUtil.findBrother(pf, "shadow") != null) {
            // handle redefinition + removal: ignore the removal.
            return null;
        }
        return REMOVED;
    }
    try {
        Object action = ic.instanceCreate ();
        if (action == null) return null;
        if (!(action instanceof Action)) return null;
        return createAction((Action) action, prefix, name);
    } catch (Exception ex) {
        ex.printStackTrace ();
        return null;
    }
}
 

/** Creates the right data object for given primary file.
 * It is guaranteed that the provided file is realy primary file
 * returned from the method findPrimaryFile.
 *
 * @param primaryFile the primary file
 * @return the data object for this file
 * @exception DataObjectExistsException if the primary file already has data object
 */
@Override
protected MultiDataObject createMultiObject(FileObject primaryFile)
    throws DataObjectExistsException
{
    return new FormDataObject(FileUtil.findBrother(primaryFile, FORM_EXTENSION),
                              primaryFile,
                              this);
}
 

/** 
 * Reads original keymap entries, which are now replaced or deleted by the user's
 * writable layer.
 * 
 * @param root
 * @return 
 */
private Map<ShortcutAction, Set<String>> readOriginalKeymap(DataFolder root) {
    Map<ShortcutAction, Set<String>> keymap = 
            new HashMap<ShortcutAction, Set<String>> ();
    if (root == null) return keymap;

    FileObject fo = root.getPrimaryFile();
    Collection<FileObject> entries = (Collection<FileObject>)fo.getAttribute("revealEntries");
    Set<String> names = new HashSet<String>();
    for (FileObject f : entries) {
        try {
            GlobalAction action;
            
            names.add(f.getName());
            if (EXT_REMOVED.equals(f.getExt()) && FileUtil.findBrother(f, "shadow") == null) {
                action = REMOVED;
            } else {
                FileObject orig = DataShadow.findOriginal(f);
                if (orig == null) {
                    continue;
                }
                DataObject dataObject = DataObject.find(orig);

                if (dataObject instanceof DataFolder) continue;
                action = createActionWithLookup (dataObject, null, f.getName(), false);
            }
            if (action == null) continue;
            String shortcut = f.getName();

            LOG.log(Level.FINEST, "Overriden action {0}: {1}, by {2}", new Object[] {
                action.getId(),
                shortcut,
                f.getPath()
            });
            Set<String> s = keymap.get (action);
            if (s == null) {
                s = new HashSet<String> ();
                keymap.put (action, s);
            }
            s.add (shortcut);
        } catch (IOException ex) {
            // handle somehow
        }
    }
    return keymap;
}
 

public void testCreateWithNameAndExtForForm() throws Exception {
    LocalFileSystem lfs = new LocalFileSystem();
    lfs.setRootDirectory(getWorkDir());
    FileObject root = lfs.getRoot();
    FileObject fo = FileUtil.createData(root, "j.java");
    OutputStream os = fo.getOutputStream();
    String txt = "<html><h1>${nameAndExt}</h1></html>";
    os.write(txt.getBytes());
    os.close();
    fo.setAttribute("javax.script.ScriptEngine", "freemarker");
    
    FileObject fo2 = FileUtil.createData(root, "j.form");
    OutputStream os2 = fo2.getOutputStream();
    String txt2 = "<html><h2>${nameAndExt}</h2></html>";
    os2.write(txt2.getBytes());
    os2.close();
    fo2.setAttribute("javax.script.ScriptEngine", "freemarker");
    
    DataObject obj = DataObject.find(fo);
    assertEquals("Both files", 2, obj.files().size());
    
    DataFolder folder = DataFolder.findFolder(FileUtil.createFolder(root, "target"));
    
    Map<String,String> parameters = Collections.emptyMap();
    DataObject n = obj.createFromTemplate(folder, "complex", parameters);
    
    assertEquals("Two files", 2, n.files().size());
    
    
    FileObject newForm = FileUtil.findBrother(n.getPrimaryFile(), "form");
    
    assertEquals("Primary file is java", "java", n.getPrimaryFile().getExt());
    
    assertNotNull("Form copied", newForm);
    DataObject frm = DataObject.find(newForm);
    assertSame("Form belongs to java", n, frm);
    
    assertEquals("Created in right place", folder, n.getFolder());
    assertEquals("Created with right name", "complex", n.getName());
    
    String exp = "<html><h1>complex.java</h1></html>";
    assertEquals("Primary file" + n.getPrimaryFile(), exp, readFile(n.getPrimaryFile()));
    
    String exp2 = "<html><h2>complex.form</h2></html>";
    assertEquals(exp2, readFile(newForm));
}
 

public void testCreateWithNameAndExtForForm() throws Exception {
    LocalFileSystem lfs = new LocalFileSystem();
    lfs.setRootDirectory(getWorkDir());
    FileObject root = lfs.getRoot();
    FileObject fo = FileUtil.createData(root, "j.java");
    OutputStream os = fo.getOutputStream();
    String txt = "print('<html><h1>', nameAndExt, '</h1></html>')";
    os.write(txt.getBytes());
    os.close();
    fo.setAttribute(ScriptingCreateFromTemplateHandler.SCRIPT_ENGINE_ATTR, "js");
    
    FileObject fo2 = FileUtil.createData(root, "j.form");
    OutputStream os2 = fo2.getOutputStream();
    String txt2 = "print('<html><h2>', nameAndExt, '</h2></html>')";
    os2.write(txt2.getBytes());
    os2.close();
    fo2.setAttribute(ScriptingCreateFromTemplateHandler.SCRIPT_ENGINE_ATTR, "js");
    
    DataObject obj = DataObject.find(fo);
    assertEquals("Both files", 2, obj.files().size());
    
    DataFolder folder = DataFolder.findFolder(FileUtil.createFolder(root, "target"));
    
    Map<String,String> parameters = Collections.emptyMap();
    DataObject n = obj.createFromTemplate(folder, "complex", parameters);
    
    assertEquals("Two files", 2, n.files().size());
    
    
    FileObject newForm = FileUtil.findBrother(n.getPrimaryFile(), "form");
    
    assertEquals("Primary file is java", "java", n.getPrimaryFile().getExt());
    
    assertNotNull("Form copied", newForm);
    DataObject frm = DataObject.find(newForm);
    assertSame("Form belongs to java", n, frm);
    
    assertEquals("Created in right place", folder, n.getFolder());
    assertEquals("Created with right name", "complex", n.getName());
    
    String exp = "<html><h1> complex.java </h1></html>\n";
    assertEquals("Primary file" + n.getPrimaryFile(), exp, readFile(n.getPrimaryFile()));
    
    String exp2 = "<html><h2> complex.form </h2></html>\n";
    assertEquals(exp2, readFile(newForm));
}