Example usage for com.liferay.portal.kernel.repository Repository getFileEntries

Introduction

In this page you can find the example usage for com.liferay.portal.kernel.repository Repository getFileEntries.

Prototype

public List<FileEntry> getFileEntries(long folderId, int start, int end, OrderByComparator<FileEntry> obc)
            throws PortalException;

Source Link

Usage

From source file:com.liferay.portlet.documentlibrary.service.impl.DLAppServiceImpl.java

License:Open Source License

/**
 * Returns an ordered range of all the file entries in the folder.
 *
 * <p>//w w  w .jav  a 2s .  c  om
 * Useful when paginating results. Returns a maximum of <code>end -
 * start</code> instances. <code>start</code> and <code>end</code> are not
 * primary keys, they are indexes in the result set. Thus, <code>0</code>
 * refers to the first result in the set. Setting both <code>start</code>
 * and <code>end</code> to {@link
 * com.liferay.portal.kernel.dao.orm.QueryUtil#ALL_POS} will return the full
 * result set.
 * </p>
 *
 * @param  repositoryId the primary key of the file entry's repository
 * @param  folderId the primary key of the file entry's folder
 * @param  start the lower bound of the range of results
 * @param  end the upper bound of the range of results (not inclusive)
 * @param  obc the comparator to order the file entries (optionally
 *         <code>null</code>)
 * @return the range of file entries in the folder ordered by comparator
 *         <code>obc</code>
 * @throws PortalException if the folder could not be found
 * @throws SystemException if a system exception occurred
 */
public List<FileEntry> getFileEntries(long repositoryId, long folderId, int start, int end,
        OrderByComparator obc) throws PortalException, SystemException {

    Repository repository = getRepository(repositoryId);

    return repository.getFileEntries(folderId, start, end, obc);
}

---

From source file:com.liferay.portlet.documentlibrary.service.impl.DLAppServiceImpl.java

License:Open Source License

protected void copyFolder(Repository repository, Folder srcFolder, Folder destFolder,
        ServiceContext serviceContext) throws PortalException, SystemException {

    Queue<Folder[]> folders = new LinkedList<Folder[]>();
    final List<FileEntry> fileEntries = new ArrayList<FileEntry>();

    Folder curSrcFolder = srcFolder;/*from w ww  .  j  av  a2s  .c  om*/
    Folder curDestFolder = destFolder;

    while (true) {
        List<FileEntry> srcFileEntries = repository.getFileEntries(curSrcFolder.getFolderId(),
                QueryUtil.ALL_POS, QueryUtil.ALL_POS, null);

        for (FileEntry srcFileEntry : srcFileEntries) {
            try {
                FileEntry fileEntry = repository.copyFileEntry(curDestFolder.getGroupId(),
                        srcFileEntry.getFileEntryId(), curDestFolder.getFolderId(), serviceContext);

                dlAppHelperLocalService.addFileEntry(getUserId(), fileEntry, fileEntry.getFileVersion(),
                        serviceContext);

                fileEntries.add(fileEntry);
            } catch (Exception e) {
                _log.error(e, e);

                continue;
            }
        }

        List<Folder> srcSubfolders = repository.getFolders(curSrcFolder.getFolderId(), false, QueryUtil.ALL_POS,
                QueryUtil.ALL_POS, null);

        for (Folder srcSubfolder : srcSubfolders) {
            Folder destSubfolder = repository.addFolder(curDestFolder.getFolderId(), srcSubfolder.getName(),
                    srcSubfolder.getDescription(), serviceContext);

            folders.offer(new Folder[] { srcSubfolder, destSubfolder });
        }

        Folder[] next = folders.poll();

        if (next == null) {
            break;
        } else {
            curSrcFolder = next[0];
            curDestFolder = next[1];
        }
    }

    TransactionCommitCallbackUtil.registerCallback(new Callable<Void>() {

        public Void call() throws Exception {
            for (FileEntry fileEntry : fileEntries) {
                DLProcessorRegistryUtil.trigger(fileEntry);
            }

            return null;
        }

    });
}

---