Examples with Versionable org.olat.core.util.vfs.version.Versionable used on opensource projects

Example 36 with Versionable

use of org.olat.core.util.vfs.version.Versionable in project openolat by klemens.

the class FileCopyController method event.

@Override
public void event(UserRequest ureq, Controller source, Event event) {
    if (source instanceof FileLinkChooserController) {
        if (event == Event.DONE_EVENT || event == Event.CANCELLED_EVENT) {
            fireEvent(ureq, FolderCommand.FOLDERCOMMAND_FINISHED);
        } else if (event instanceof URLChoosenEvent) {
            URLChoosenEvent choosenEvent = (URLChoosenEvent) event;
            String url = choosenEvent.getURL();
            if (url.indexOf("://") < 0) {
                VFSContainer cContainer = folderComponent.getExternContainerForCopy();
                VFSItem item = cContainer.resolve(url);
                if (item instanceof VFSLeaf) {
                    sourceLeaf = (VFSLeaf) item;
                    String filename = sourceLeaf.getName();
                    VFSContainer tContainer = folderComponent.getCurrentContainer();
                    newFile = tContainer.createChildLeaf(filename);
                    if (newFile == null) {
                        existingVFSItem = (VFSLeaf) tContainer.resolve(filename);
                        fileAlreadyExists(ureq);
                    } else {
                        finishUpload(ureq);
                    }
                } else {
                    fireEvent(ureq, FolderCommand.FOLDERCOMMAND_FINISHED);
                }
            } else {
                fireEvent(ureq, FolderCommand.FOLDERCOMMAND_FINISHED);
            }
        }
    } else if (source == overwriteDialog) {
        if (event instanceof ButtonClickedEvent) {
            ButtonClickedEvent buttonClickedEvent = (ButtonClickedEvent) event;
            if (buttonClickedEvent.getPosition() == 0) {
                // ok
                if (existingVFSItem instanceof Versionable && ((Versionable) existingVFSItem).getVersions().isVersioned()) {
                    // new version
                    String relPath = null;
                    if (existingVFSItem instanceof OlatRootFileImpl) {
                        relPath = ((OlatRootFileImpl) existingVFSItem).getRelPath();
                    }
                    int maxNumOfRevisions = FolderConfig.versionsAllowed(relPath);
                    if (maxNumOfRevisions == 0) {
                        // someone play with the configuration
                        // Overwrite...
                        String fileName = existingVFSItem.getName();
                        existingVFSItem.delete();
                        newFile = folderComponent.getCurrentContainer().createChildLeaf(fileName);
                        // ... and notify listeners.
                        finishUpload(ureq);
                    } else {
                        removeAsListenerAndDispose(commentVersionCtr);
                        boolean locked = vfsLockManager.isLocked(existingVFSItem);
                        commentVersionCtr = new VersionCommentController(ureq, getWindowControl(), locked, true);
                        listenTo(commentVersionCtr);
                        removeAsListenerAndDispose(commentVersionDialogBox);
                        commentVersionDialogBox = new CloseableModalController(getWindowControl(), translate("save"), commentVersionCtr.getInitialComponent());
                        listenTo(commentVersionDialogBox);
                        commentVersionDialogBox.activate();
                    }
                } else {
                    // if the file is locked, ask for unlocking it
                    if (vfsLockManager.isLocked(existingVFSItem)) {
                        removeAsListenerAndDispose(unlockCtr);
                        unlockCtr = new VersionCommentController(ureq, getWindowControl(), true, false);
                        listenTo(unlockCtr);
                        removeAsListenerAndDispose(unlockDialogBox);
                        unlockDialogBox = new CloseableModalController(getWindowControl(), translate("ok"), unlockCtr.getInitialComponent());
                        listenTo(unlockDialogBox);
                        unlockDialogBox.activate();
                    } else {
                        // Overwrite...
                        String fileName = existingVFSItem.getName();
                        existingVFSItem.delete();
                        newFile = folderComponent.getCurrentContainer().createChildLeaf(fileName);
                        // ... and notify listeners.
                        finishUpload(ureq);
                    }
                }
            } else if (buttonClickedEvent.getPosition() == 1) {
                // not ok
                // make newFile with the proposition of filename
                newFile = folderComponent.getCurrentContainer().createChildLeaf(renamedFilename);
                // ... and notify listeners.
                finishUpload(ureq);
            } else if (buttonClickedEvent.getPosition() == 2) {
            // cancel
            // cancel -> do nothing
            } else {
                throw new RuntimeException("Unknown button number " + buttonClickedEvent.getPosition());
            }
        }
    } else if (source == lockedFileDialog) {
        if (event instanceof ButtonClickedEvent) {
            ButtonClickedEvent buttonClickedEvent = (ButtonClickedEvent) event;
            switch(buttonClickedEvent.getPosition()) {
                case 0:
                    {
                        // ... and notify listeners.
                        newFile = existingVFSItem;
                        finishUpload(ureq);
                        break;
                    }
                case 1:
                    {
                        // cancel
                        fireEvent(ureq, FolderCommand.FOLDERCOMMAND_FINISHED);
                        break;
                    }
                default:
                    throw new RuntimeException("Unknown button number " + buttonClickedEvent.getPosition());
            }
        }
    } else if (source == commentVersionCtr) {
        String comment = commentVersionCtr.getComment();
        Roles roles = ureq.getUserSession().getRoles();
        boolean locked = vfsLockManager.isLocked(existingVFSItem);
        if (locked && !commentVersionCtr.keepLocked()) {
            vfsLockManager.unlock(existingVFSItem, getIdentity(), roles);
        }
        commentVersionDialogBox.deactivate();
        if (revisionListDialogBox != null) {
            revisionListDialogBox.deactivate();
        }
        // ok, new version of the file
        Versionable existingVersionableItem = (Versionable) existingVFSItem;
        boolean ok = existingVersionableItem.getVersions().addVersion(ureq.getIdentity(), comment, sourceLeaf.getInputStream());
        if (ok) {
            newFile = existingVFSItem;
        }
        finishSuccessfullUpload(existingVFSItem.getName(), ureq);
    } else if (source == unlockCtr) {
        // Overwrite...
        if (!unlockCtr.keepLocked()) {
            vfsLockManager.unlock(existingVFSItem, getIdentity(), ureq.getUserSession().getRoles());
        }
        unlockDialogBox.deactivate();
        newFile = existingVFSItem;
        // ... and notify listeners.
        finishSuccessfullUpload(existingVFSItem.getName(), ureq);
    } else if (source == revisionListCtr) {
        if (FolderCommandStatus.STATUS_CANCELED == revisionListCtr.getStatus()) {
            revisionListDialogBox.deactivate();
            // don't want to delete revisions
            fireEvent(ureq, FolderCommand.FOLDERCOMMAND_FINISHED);
        } else {
            if (existingVFSItem instanceof Versionable && ((Versionable) existingVFSItem).getVersions().isVersioned()) {
                revisionListDialogBox.deactivate();
                Versionable versionable = (Versionable) existingVFSItem;
                Versions versions = versionable.getVersions();
                int maxNumOfRevisions = FolderConfig.versionsAllowed(null);
                if (maxNumOfRevisions < 0 || maxNumOfRevisions > versions.getRevisions().size()) {
                    removeAsListenerAndDispose(commentVersionCtr);
                    boolean locked = vfsLockManager.isLocked(existingVFSItem);
                    commentVersionCtr = new VersionCommentController(ureq, getWindowControl(), locked, true);
                    listenTo(commentVersionCtr);
                    removeAsListenerAndDispose(commentVersionDialogBox);
                    commentVersionDialogBox = new CloseableModalController(getWindowControl(), translate("save"), commentVersionCtr.getInitialComponent());
                    listenTo(commentVersionDialogBox);
                    commentVersionDialogBox.activate();
                } else {
                    removeAsListenerAndDispose(revisionListCtr);
                    revisionListCtr = new RevisionListController(ureq, getWindowControl(), versionable, false);
                    listenTo(revisionListCtr);
                    removeAsListenerAndDispose(revisionListDialogBox);
                    revisionListDialogBox = new CloseableModalController(getWindowControl(), translate("delete"), revisionListCtr.getInitialComponent());
                    listenTo(revisionListDialogBox);
                    revisionListDialogBox.activate();
                }
            }
        }
    }
}

Example 37 with Versionable

use of org.olat.core.util.vfs.version.Versionable in project openolat by klemens.

the class FileUploadController method doUpload.

private void doUpload(UserRequest ureq) {
    // check for available space
    if (remainingQuotKB != -1 && (fileEl.getUploadFile().length() / 1024 > remainingQuotKB)) {
        fileEl.setErrorKey("QuotaExceeded", null);
        fileEl.getUploadFile().delete();
        return;
    }
    String fileName = fileEl.getUploadFileName();
    if (metaDataCtr != null && StringHelper.containsNonWhitespace(metaDataCtr.getFilename())) {
        fileName = metaDataCtr.getFilename();
    }
    File uploadedFile = fileEl.getUploadFile();
    if (resizeImg && fileName != null && imageExtPattern.matcher(fileName.toLowerCase()).find() && resizeEl.isSelected(0)) {
        String extension = FileUtils.getFileSuffix(fileName);
        File imageScaled = new File(uploadedFile.getParentFile(), "scaled_" + uploadedFile.getName() + "." + extension);
        if (imageHelper.scaleImage(uploadedFile, extension, imageScaled, 1280, 1280, false) != null) {
            // problem happen, special GIF's (see bug http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6358674)
            // don't try to scale if not all ok
            uploadedFile = imageScaled;
        }
    }
    // check if such a filename does already exist
    existingVFSItem = uploadVFSContainer.resolve(fileName);
    if (existingVFSItem == null) {
        uploadNewFile(ureq, uploadedFile, fileName);
    } else {
        // rename file and ask user what to do
        if (!(existingVFSItem instanceof LocalImpl)) {
            throw new AssertException("Can only LocalImpl VFS items, don't know what to do with file of type::" + existingVFSItem.getClass().getCanonicalName());
        }
        String renamedFilename = VFSManager.rename(uploadVFSContainer, existingVFSItem.getName());
        newFile = uploadVFSContainer.createChildLeaf(renamedFilename);
        // Copy content to tmp file
        boolean success = false;
        try (InputStream in = new FileInputStream(uploadedFile);
            BufferedOutputStream out = new BufferedOutputStream(newFile.getOutputStream(false))) {
            success = FileUtils.copy(in, out);
            uploadedFile.delete();
        } catch (IOException e) {
            success = false;
        }
        if (success) {
            boolean locked = vfsLockManager.isLockedForMe(existingVFSItem, getIdentity(), ureq.getUserSession().getRoles());
            if (locked) {
                // the file is locked and cannot be overwritten
                lockedFileDialog(ureq, renamedFilename);
            } else if (existingVFSItem instanceof Versionable && ((Versionable) existingVFSItem).getVersions().isVersioned()) {
                uploadVersionedFile(ureq, renamedFilename);
            } else {
                askOverwriteOrRename(ureq, renamedFilename);
            }
        } else {
            showError("failed");
            status = FolderCommandStatus.STATUS_FAILED;
            fireEvent(ureq, Event.FAILED_EVENT);
        }
    }
}

Example 38 with Versionable

use of org.olat.core.util.vfs.version.Versionable in project openolat by klemens.

the class ZipUtil method unzip.

/**
 * Unzip an inputstream to a directory using the versioning system of VFS
 * @param zipLeaf	The file to unzip
 * @param targetDir	The directory to unzip the file to
 * @param the identity of who unzip the file
 * @param versioning enabled or not
 * @return	True if successfull, false otherwise
 */
private static boolean unzip(InputStream in, VFSContainer targetDir, Identity identity, boolean versioning) {
    ZipInputStream oZip = new ZipInputStream(in);
    try {
        // unzip files
        ZipEntry oEntr = oZip.getNextEntry();
        while (oEntr != null) {
            if (oEntr.getName() != null && !oEntr.getName().startsWith(DIR_NAME__MACOSX)) {
                if (oEntr.isDirectory()) {
                    // skip MacOSX specific metadata directory
                    // create directories
                    getAllSubdirs(targetDir, oEntr.getName(), identity, true);
                } else {
                    // create file
                    VFSContainer createIn = targetDir;
                    String name = oEntr.getName();
                    // check if entry has directories which did not show up as
                    // directories above
                    int dirSepIndex = name.lastIndexOf('/');
                    if (dirSepIndex == -1) {
                        // try it windows style, backslash is also valid format
                        dirSepIndex = name.lastIndexOf('\\');
                    }
                    if (dirSepIndex > 0) {
                        // create subdirs
                        createIn = getAllSubdirs(targetDir, name.substring(0, dirSepIndex), identity, true);
                        if (createIn == null) {
                            if (log.isDebug())
                                log.debug("Error creating directory structure for zip entry: " + oEntr.getName());
                            return false;
                        }
                        name = name.substring(dirSepIndex + 1);
                    }
                    if (versioning) {
                        VFSLeaf newEntry = (VFSLeaf) createIn.resolve(name);
                        if (newEntry == null) {
                            newEntry = createIn.createChildLeaf(name);
                            OutputStream out = newEntry.getOutputStream(false);
                            if (!FileUtils.copy(oZip, out))
                                return false;
                            FileUtils.closeSafely(out);
                        } else if (newEntry instanceof Versionable) {
                            Versionable versionable = (Versionable) newEntry;
                            if (versionable.getVersions().isVersioned()) {
                                versionable.getVersions().addVersion(identity, "", oZip);
                            }
                        }
                        if (newEntry instanceof MetaTagged) {
                            MetaInfo info = ((MetaTagged) newEntry).getMetaInfo();
                            if (info != null) {
                                info.setAuthor(identity);
                                info.write();
                            }
                        }
                    } else {
                        VFSLeaf newEntry = createIn.createChildLeaf(name);
                        if (newEntry != null) {
                            OutputStream out = newEntry.getOutputStream(false);
                            if (!FileUtils.copy(oZip, out))
                                return false;
                            FileUtils.closeSafely(out);
                        }
                        if (newEntry instanceof MetaTagged) {
                            MetaInfo info = ((MetaTagged) newEntry).getMetaInfo();
                            if (info != null && identity != null) {
                                info.setAuthor(identity);
                                info.write();
                            }
                        }
                    }
                }
            }
            oZip.closeEntry();
            oEntr = oZip.getNextEntry();
        }
    } catch (IOException e) {
        return false;
    } finally {
        FileUtils.closeSafely(oZip);
    }
    return true;
}

Example 39 with Versionable

use of org.olat.core.util.vfs.version.Versionable in project openolat by klemens.

the class LocalFolderImpl method copyFrom.

/**
 * Internal copy from, preventing quota checks on subfolders.
 *
 * @param source
 * @param checkQuota
 * @return
 */
private VFSStatus copyFrom(VFSItem source, boolean checkQuota) {
    if (source.canCopy() != VFSConstants.YES)
        throw new RuntimeException("cannot copy from");
    String sourcename = source.getName();
    File basefile = getBasefile();
    // check if there is already an item with the same name...
    if (resolve(sourcename) != null)
        return VFSConstants.ERROR_NAME_ALREDY_USED;
    // add either file bla.txt or folder blu as a child of this folder
    if (source instanceof VFSContainer) {
        // copy recursively
        VFSContainer sourcecontainer = (VFSContainer) source;
        // check if this is a containing container...
        if (VFSManager.isSelfOrParent(sourcecontainer, this))
            return VFSConstants.ERROR_OVERLAPPING;
        // "copy" the container means creating a folder with that name
        // and let the children copy
        // create the folder
        File outdir = new File(basefile, sourcename);
        outdir.mkdir();
        LocalFolderImpl rootcopyfolder = new LocalFolderImpl(outdir, this);
        List<VFSItem> children = sourcecontainer.getItems();
        for (VFSItem chd : children) {
            VFSStatus status = rootcopyfolder.copyFrom(chd, false);
            if (status != VFSConstants.SUCCESS)
                return status;
        }
    } else if (source instanceof VFSLeaf) {
        // copy single item
        VFSLeaf s = (VFSLeaf) source;
        // check quota
        if (checkQuota) {
            long quotaLeft = VFSManager.getQuotaLeftKB(this);
            if (quotaLeft != Quota.UNLIMITED && quotaLeft < (s.getSize() / 1024))
                return VFSConstants.ERROR_QUOTA_EXCEEDED;
        }
        try {
            FileUtils.bcopy(s.getInputStream(), new File(basefile, sourcename), "VFScopyFrom");
        } catch (Exception e) {
            return VFSConstants.ERROR_FAILED;
        }
        if (s instanceof Versionable && ((Versionable) s).getVersions().isVersioned()) {
            ((Versionable) s).getVersions().move(this);
        }
    } else
        throw new RuntimeException("neither a leaf nor a container!");
    return VFSConstants.SUCCESS;
}

Example 40 with Versionable

use of org.olat.core.util.vfs.version.Versionable in project openolat by klemens.

the class NodeExportVisitor method writeObject.

/**
 * Write a structure to an XML file in the course base path folder.
 *
 * @param fileName
 * @param obj
 */
private void writeObject(String fileName, Object obj) {
    VFSItem vfsItem = getCourseBaseContainer().resolve(fileName);
    if (vfsItem == null) {
        vfsItem = getCourseBaseContainer().createChildLeaf(fileName);
    } else if (vfsItem.exists() && vfsItem instanceof Versionable) {
        try {
            VersionsFileManager.getInstance().addToRevisions((Versionable) vfsItem, null, "");
        } catch (Exception e) {
            log.error("Cannot versioned " + fileName, e);
        }
    }
    XStream xstream = CourseXStreamAliases.getWriteCourseXStream();
    XStreamHelper.writeObject(xstream, (VFSLeaf) vfsItem, obj);
}