Example usage for org.apache.commons.vfs2 NameScope CHILD

List of usage examples for org.apache.commons.vfs2 NameScope CHILD

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Introduction

In this page you can find the example usage for org.apache.commons.vfs2 NameScope CHILD.

Prototype

NameScope CHILD

To view the source code for org.apache.commons.vfs2 NameScope CHILD.

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Document

Resolve against the children of the base file.

Usage

From source file:net.sf.jabb.web.action.VfsTreeAction.java

/**
 * AJAX tree functions/*from ww  w  .  j a v a 2s  .c  om*/
 */
public String execute() {
    normalizeTreeRequest();
    JsTreeResult result = new JsTreeResult();

    final AllFileSelector ALL_FILES = new AllFileSelector();
    FileSystemManager fsManager = null;
    FileObject rootFile = null;
    FileObject file = null;
    FileObject referenceFile = null;
    try {
        fsManager = VfsUtility.getManager();
        rootFile = fsManager.resolveFile(rootPath, fsOptions);

        if (JsTreeRequest.OP_GET_CHILDREN.equalsIgnoreCase(requestData.getOperation())) {
            String parentPath = requestData.getId();
            List<JsTreeNodeData> nodes = null;
            try {
                nodes = getChildNodes(rootFile, parentPath);
                if (requestData.isRoot() && rootNodeName != null) { // add root node
                    JsTreeNodeData rootNode = new JsTreeNodeData();
                    rootNode.setData(rootNodeName);
                    Map<String, Object> attr = new HashMap<String, Object>();
                    rootNode.setAttr(attr);
                    attr.put("id", ".");
                    attr.put("rel", "root");
                    attr.put("fileType", FileType.FOLDER.toString());
                    rootNode.setChildren(nodes);
                    rootNode.setState(JsTreeNodeData.STATE_OPEN);
                    nodes = new LinkedList<JsTreeNodeData>();
                    nodes.add(rootNode);
                }
            } catch (Exception e) {
                log.error("Cannot get child nodes for: " + parentPath, e);
                nodes = new LinkedList<JsTreeNodeData>();
            }
            responseData = nodes;
        } else if (JsTreeRequest.OP_REMOVE_NODE.equalsIgnoreCase(requestData.getOperation())) {
            String path = requestData.getId();
            try {
                file = rootFile.resolveFile(path, NameScope.DESCENDENT);
                boolean wasDeleted = false;
                if (file.getType() == FileType.FILE) {
                    wasDeleted = file.delete();
                } else {
                    wasDeleted = file.delete(ALL_FILES) > 0;
                }
                result.setStatus(wasDeleted);
            } catch (Exception e) {
                result.setStatus(false);
                log.error("Cannot delete: " + path, e);
            }
            responseData = result;
        } else if (JsTreeRequest.OP_CREATE_NODE.equalsIgnoreCase(requestData.getOperation())) {
            String parentPath = requestData.getReferenceId();
            String name = requestData.getTitle();
            try {
                referenceFile = rootFile.resolveFile(parentPath, NameScope.DESCENDENT_OR_SELF);
                file = referenceFile.resolveFile(name, NameScope.CHILD);
                file.createFolder();
                result.setStatus(true);
                result.setId(rootFile.getName().getRelativeName(file.getName()));
            } catch (Exception e) {
                result.setStatus(false);
                log.error("Cannot create folder '" + name + "' under '" + parentPath + "'", e);
            }
            responseData = result;
        } else if (JsTreeRequest.OP_RENAME_NODE.equalsIgnoreCase(requestData.getOperation())) {
            String path = requestData.getId();
            String name = requestData.getTitle();
            try {
                referenceFile = rootFile.resolveFile(path, NameScope.DESCENDENT);
                file = referenceFile.getParent().resolveFile(name, NameScope.CHILD);
                referenceFile.moveTo(file);
                result.setStatus(true);
            } catch (Exception e) {
                result.setStatus(false);
                log.error("Cannot rename '" + path + "' to '" + name + "'", e);
            }
            responseData = result;
        } else if (JsTreeRequest.OP_MOVE_NODE.equalsIgnoreCase(requestData.getOperation())) {
            String newParentPath = requestData.getReferenceId();
            String originalPath = requestData.getId();
            try {
                referenceFile = rootFile.resolveFile(originalPath, NameScope.DESCENDENT);
                file = rootFile.resolveFile(newParentPath, NameScope.DESCENDENT_OR_SELF)
                        .resolveFile(referenceFile.getName().getBaseName(), NameScope.CHILD);
                if (requestData.isCopy()) {
                    file.copyFrom(referenceFile, ALL_FILES);
                } else {
                    referenceFile.moveTo(file);
                }
                result.setStatus(true);
            } catch (Exception e) {
                result.setStatus(false);
                log.error("Cannot move '" + originalPath + "' to '" + newParentPath + "'", e);
            }
            responseData = result;
        }
    } catch (FileSystemException e) {
        log.error("Cannot perform file operation.", e);
    } finally {
        VfsUtility.close(fsManager, file, referenceFile, rootFile);
    }
    return SUCCESS;
}

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

private Note getNote(FileObject noteDir) throws IOException {
    if (!isDirectory(noteDir)) {
        throw new IOException(noteDir.getName().toString() + " is not a directory");
    }/*w ww . j a va 2 s . c  o m*/

    FileObject noteJson = noteDir.resolveFile("note.json", NameScope.CHILD);
    if (!noteJson.exists()) {
        throw new IOException(noteJson.getName().toString() + " not found");
    }

    FileContent content = noteJson.getContent();
    InputStream ins = content.getInputStream();
    String json = IOUtils.toString(ins, conf.getString(ConfVars.ZEPPELIN_ENCODING));
    ins.close();

    return Note.fromJson(json);
}

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

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

    return getNote(noteDir);
}

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

@Override
public synchronized void save(Note note, AuthenticationInfo subject) throws IOException {
    LOG.info("Saving note:" + note.getId());
    String json = note.toJson();/* w ww  .  j av a  2  s . c o  m*/

    FileObject rootDir = getRootDir();

    FileObject noteDir = rootDir.resolveFile(note.getId(), 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:org.apache.zeppelin.notebook.repo.OldVFSNotebookRepo.java

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

    if (!noteDir.exists()) {
        // nothing to do
        return;//from  www . j a  v a2 s .  c  o 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);
}

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

private Note getNote(FileObject noteDir) throws IOException {
    if (!isDirectory(noteDir)) {
        throw new IOException(noteDir.getName().toString() + " is not a directory");
    }/*from   w w w .  j  ava  2  s .c o  m*/

    FileObject noteJson = noteDir.resolveFile("note.json", NameScope.CHILD);
    if (!noteJson.exists()) {
        throw new IOException(noteJson.getName().toString() + " not found");
    }

    GsonBuilder gsonBuilder = new GsonBuilder();
    gsonBuilder.setPrettyPrinting();
    Gson gson = gsonBuilder.create();

    FileContent content = noteJson.getContent();
    InputStream ins = content.getInputStream();
    String json = IOUtils.toString(ins, conf.getString(ConfVars.ZEPPELIN_ENCODING));
    ins.close();

    Note note = gson.fromJson(json, Note.class);
    //    note.setReplLoader(replLoader);
    //    note.jobListenerFactory = jobListenerFactory;

    for (Paragraph p : note.getParagraphs()) {
        if (p.getStatus() == Status.PENDING || p.getStatus() == Status.RUNNING) {
            p.setStatus(Status.ABORT);
        }
    }

    return note;
}

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);
}

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 w w  .j a v a  2 s . c o m
    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();
}

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;//from ww  w .  j a  va2 s.  c  om
    }

    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

@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);
    }/*from w  w w.j  a  va  2 s . c o 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;
}