Package org.olat.repository

Source Code of org.olat.repository.SharedFolderSecurityCallback

/**
* OLAT - Online Learning and Training<br>
* http://www.olat.org
* <p>
* Licensed under the Apache License, Version 2.0 (the "License"); <br>
* you may not use this file except in compliance with the License.<br>
* You may obtain a copy of the License at
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* Unless required by applicable law or agreed to in writing,<br>
* software distributed under the License is distributed on an "AS IS" BASIS, <br>
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. <br>
* See the License for the specific language governing permissions and <br>
* limitations under the License.
* <p>
* Copyright (c) since 2004 at Multimedia- & E-Learning Services (MELS),<br>
* University of Zurich, Switzerland.
* <p>
*/

package org.olat.repository;

import org.olat.admin.quota.QuotaConstants;
import org.olat.core.util.notifications.SubscriptionContext;
import org.olat.core.util.vfs.Quota;
import org.olat.core.util.vfs.QuotaManager;
import org.olat.core.util.vfs.callbacks.VFSSecurityCallback;

/**
*  Initial Date:  29.06.2005
*
@author Alexander Schneider
*  Comment: 
*/

public class SharedFolderSecurityCallback implements VFSSecurityCallback {

  private Quota sharedFolderQuota;

  public SharedFolderSecurityCallback(String relPath) {
    initSharedFolderQuota(relPath);
  }

  /**
   * @return boolean
   */
  public boolean canRead() {
    return true;
  }

  /**
   * @return boolean
   */
  public boolean canWrite() {
    return true;
  }

  /**
   * @return boolean
   */
  public boolean canDelete() {
    return true;
  }
  /**
   * @return boolean
   */
  public boolean canList() {
    return true;
  }

  /**
   * @return boolean
   */
  public boolean canCopy() {
    return true;
  }
 
  /**
   * @see org.olat.core.util.vfs.callbacks.VFSSecurityCallback#canDeleteRevisionsPermanently()
   */
  public boolean canDeleteRevisionsPermanently() {
    return false;
  }

  /**
   * @return boolean
   */
  public Quota getQuota() {
    return sharedFolderQuota;
  }

  public void setQuota(Quota quota) {
    sharedFolderQuota = quota;
  }
 
  /**
   * @return boolean
   */
  public SubscriptionContext getSubscriptionContext() {
    return null;
  }

  /**
   * Node folder quota has to be ionitialized only once for all of the paths.
   *
   * @param path
   */
  private void initSharedFolderQuota(String relPath) {
    QuotaManager qm = QuotaManager.getInstance();
    sharedFolderQuota = qm.getCustomQuota(relPath);
    if (sharedFolderQuota == null) {
      Quota defQuota = qm.getDefaultQuota(QuotaConstants.IDENTIFIER_DEFAULT_COURSE);
      sharedFolderQuota = QuotaManager.getInstance().createQuota(relPath, defQuota.getQuotaKB(), defQuota.getUlLimitKB());
    }
  }

}
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