Example usage for org.apache.commons.vfs2 FileObject resolveFile

Introduction

In this page you can find the example usage for org.apache.commons.vfs2 FileObject resolveFile.

Prototype

FileObject resolveFile(String name, NameScope scope) throws FileSystemException;

Source Link

Document

Finds a file relative to this file.

Usage

From source file:org.apache.zeppelin.notebook.repo.VFSNotebookRepo.java

@Override
public Note get(String noteId) throws IOException {
    FileObject rootDir = fsManager.resolveFile(getPath("/"));
    FileObject noteDir = rootDir.resolveFile(noteId, NameScope.CHILD);

    return getNote(noteDir);
}

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From source file:org.apache.zeppelin.notebook.repo.VFSNotebookRepo.java

@Override
public void save(Note note) throws IOException {
    GsonBuilder gsonBuilder = new GsonBuilder();
    gsonBuilder.setPrettyPrinting();/*from  w ww  . j  a v  a  2s  .c  om*/
    Gson gson = gsonBuilder.create();
    String json = gson.toJson(note);

    FileObject rootDir = getRootDir();

    FileObject noteDir = rootDir.resolveFile(note.id(), NameScope.CHILD);

    if (!noteDir.exists()) {
        noteDir.createFolder();
    }
    if (!isDirectory(noteDir)) {
        throw new IOException(noteDir.getName().toString() + " is not a directory");
    }

    FileObject noteJson = noteDir.resolveFile("note.json", NameScope.CHILD);
    // false means not appending. creates file if not exists
    OutputStream out = noteJson.getContent().getOutputStream(false);
    out.write(json.getBytes(conf.getString(ConfVars.ZEPPELIN_ENCODING)));
    out.close();
}

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From source file:org.apache.zeppelin.notebook.repo.VFSNotebookRepo.java

@Override
public void remove(String noteId) throws IOException {
    FileObject rootDir = fsManager.resolveFile(getPath("/"));
    FileObject noteDir = rootDir.resolveFile(noteId, NameScope.CHILD);

    if (!noteDir.exists()) {
        // nothing to do
        return;// ww  w  . ja  v  a2 s . co  m
    }

    if (!isDirectory(noteDir)) {
        // it is not look like zeppelin note savings
        throw new IOException("Can not remove " + noteDir.getName().toString());
    }

    noteDir.delete(Selectors.SELECT_SELF_AND_CHILDREN);
}

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From source file:org.kalypso.commons.io.VFSUtilities.java

/**
 * Moves the complete content of one directory into another.
 *
 * @throws IOException//  w w  w. jav  a 2s.  com
 *           If the move failed.
 */
public static void moveContents(final File sourceDir, final File dest) throws IOException {
    final FileSystemManager vfsManager = VFSUtilities.getManager();
    final FileObject source = vfsManager.toFileObject(sourceDir);
    final FileObject destDir = vfsManager.toFileObject(dest);

    final FileObject[] findFiles = source.findFiles(new AllFileSelector());
    // Might happen, if source does not exists... shouldn't we check this?
    if (findFiles == null)
        return;

    for (final FileObject fileObject : findFiles) {
        if (FileType.FILE.equals(fileObject.getType())) {
            final String relPath = source.getName().getRelativeName(fileObject.getName());
            final FileObject destFile = destDir.resolveFile(relPath, NameScope.DESCENDENT_OR_SELF);
            final FileObject folder = destFile.getParent();
            folder.createFolder();
            fileObject.moveTo(destFile);
        }
    }
}

---

From source file:se.kth.hopsworks.zeppelin.notebook.repo.FSNotebookRepo.java

@Override
public List<NoteInfo> list() throws IOException {
    FileObject rootDir = getRootDir();
    FileObject projectDir = null;
    if (this.project != null) {
        projectDir = rootDir.resolveFile(this.project.getName(), NameScope.CHILD);
    }//w  w w.  ja va 2 s. co  m

    LinkedList<FileObject> children = getNotes(rootDir, projectDir);

    List<NoteInfo> infos = new LinkedList<>();
    for (FileObject f : children) {
        String fileName = f.getName().getBaseName();
        if (f.isHidden() || fileName.startsWith(".") || fileName.startsWith("#") || fileName.startsWith("~")) {
            // skip hidden, temporary files
            continue;
        }

        if (!isDirectory(f)) {
            // currently single note is saved like, [NOTE_ID]/note.json.
            // so it must be a directory
            continue;
        }

        NoteInfo info = null;

        try {
            info = getNoteInfo(f);
            if (info != null) {
                infos.add(info);
            }
        } catch (IOException e) {
            logger.error("Can't read note " + f.getName().toString(), e);
        }
    }

    return infos;
}

---

From source file:se.kth.hopsworks.zeppelin.notebook.repo.FSNotebookRepo.java

@Override
public Note get(String noteId) throws IOException {
    FileObject rootDir = fsManager.resolveFile(getPath("/"));
    FileObject projectDir = rootDir.resolveFile(this.project.getName(), NameScope.CHILD);
    FileObject noteDir = projectDir.resolveFile(noteId, NameScope.CHILD);

    if (noteDir.exists() && isDirectory(noteDir)) {
        return getNote(noteDir);
    }/*ww w . j  a v  a  2 s. c  o m*/

    noteDir = rootDir.resolveFile(noteId, NameScope.CHILD);
    return getNote(noteDir);
}

---

From source file:se.kth.hopsworks.zeppelin.notebook.repo.FSNotebookRepo.java

@Override
public void save(Note note) throws IOException {
    GsonBuilder gsonBuilder = new GsonBuilder();
    gsonBuilder.setPrettyPrinting();/*ww  w.j  av  a2 s  .  c o  m*/
    Gson gson = gsonBuilder.create();
    String json = gson.toJson(note);

    FileObject rootDir = getRootDir();

    FileObject projectDir = rootDir.resolveFile(this.project.getName(), NameScope.CHILD);
    if (!projectDir.exists()) {
        projectDir.createFolder();
    }
    if (!isDirectory(projectDir)) {
        throw new IOException(projectDir.getName().toString() + " is not a directory");
    }

    FileObject noteDir = projectDir.resolveFile(note.id(), NameScope.CHILD);

    if (!noteDir.exists()) {
        noteDir.createFolder();
    }
    if (!isDirectory(noteDir)) {
        throw new IOException(noteDir.getName().toString() + " is not a directory");
    }

    FileObject noteJson = noteDir.resolveFile("note.json", NameScope.CHILD);
    // false means not appending. creates file if not exists
    OutputStream out = noteJson.getContent().getOutputStream(false);
    out.write(json.getBytes(conf.getString(ConfVars.ZEPPELIN_ENCODING)));
    out.close();
    noteJson.moveTo(noteDir.resolveFile("note.json", NameScope.CHILD));
}

---

From source file:se.kth.hopsworks.zeppelin.notebook.repo.FSNotebookRepo.java

@Override
public void remove(String noteId) throws IOException {
    FileObject rootDir = fsManager.resolveFile(getPath("/"));
    FileObject projectDir = rootDir.resolveFile(this.project.getName(), NameScope.CHILD);
    if (!projectDir.exists() || !isDirectory(projectDir)) {
        // no project dir
        return;//from   w ww  .j  av a  2  s  .c o  m
    }
    FileObject noteDir = projectDir.resolveFile(noteId, NameScope.CHILD);

    if (!noteDir.exists()) {
        // nothing to do
        return;
    }

    if (!isDirectory(noteDir)) {
        // it is not look like zeppelin note savings
        throw new IOException("Can not remove " + noteDir.getName().toString());
    }

    noteDir.delete(Selectors.SELECT_SELF_AND_CHILDREN);
}

---

From source file:se.kth.hopsworks.zeppelin.notebook.repo.FSNotebookRepo.java

private LinkedList<FileObject> getNotes(FileObject root, FileObject proj) throws IOException {
    FileObject[] rootchildren = root.getChildren();
    FileObject[] projChildren;//from   w w w.j a  v a 2  s .com
    LinkedList<FileObject> children = new LinkedList<>();
    if (isDirectory(proj)) {
        projChildren = proj.getChildren();
        if (projChildren != null) {
            children = new LinkedList<>(Arrays.asList(projChildren));
        }
    }
    // add notes in the root dir that are not project specific ex. tutorials
    for (FileObject f : rootchildren) {
        if (isDirectory(f)) {
            FileObject noteJson = f.resolveFile("note.json", NameScope.CHILD);
            if (noteJson.exists() && !listContainsNote(children, f)) {
                children.add(f);
            }
        }
    }

    return children;
}

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