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/*
* This library is part of OpenCms -
* the Open Source Content Management System
*
* Copyright (c) Alkacon Software GmbH & Co. KG (http://www.alkacon.com)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* For further information about Alkacon Software GmbH & Co. KG, please see the
* company website: http://www.alkacon.com
*
* For further information about OpenCms, please see the
* project website: http://www.opencms.org
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.opencms.file;
import org.opencms.db.CmsResourceState;
import org.opencms.db.CmsSecurityManager;
import org.opencms.loader.CmsLoaderException;
import org.opencms.main.CmsIllegalArgumentException;
import org.opencms.main.CmsLog;
import org.opencms.main.OpenCms;
import org.opencms.util.CmsUUID;
import org.apache.commons.logging.Log;
/**
* A folder resource in the OpenCms VFS.
*
* A folder resource is a CmsResource object that can contain sub-resources.
*
* @since 6.0.0
*/
public class CmsFolder extends CmsResource {
/** The log object for this class. */
private static final Log LOG = CmsLog.getLog(CmsSecurityManager.class);
/** Serial version UID required for safe serialization. */
private static final long serialVersionUID = 5527163725725725452L;
/**
* Constructor, creates a new CmsFolder Object from the given CmsResource.
*
* @param resource the base resource object to create a folder from
*/
public CmsFolder(CmsResource resource) {
this(
resource.getStructureId(),
resource.getResourceId(),
resource.getRootPath(),
resource.getTypeId(),
resource.getFlags(),
resource.getProjectLastModified(),
resource.getState(),
resource.getDateCreated(),
resource.getUserCreated(),
resource.getDateLastModified(),
resource.getUserLastModified(),
resource.getDateReleased(),
resource.getDateExpired(),
resource.getVersion());
}
/**
* Constructor, creates a new CmsFolder object.
*
* @param structureId the id of this resources structure record
* @param resourceId the id of this resources resource record
* @param path the filename of this resouce
* @param type the type of this resource
* @param flags the flags of this resource
* @param projectId the project id this resource was last modified in
* @param state the state of this resource
* @param dateCreated the creation date of this resource
* @param userCreated the id of the user who created this resource
* @param dateLastModified the date of the last modification of this resource
* @param userLastModified the id of the user who did the last modification of this resource * @param size the size of the file content of this resource
* @param dateReleased the release date of this resource
* @param dateExpired the expiration date of this resource
* @param version the version number of this resource
*/
public CmsFolder(
CmsUUID structureId,
CmsUUID resourceId,
String path,
int type,
int flags,
CmsUUID projectId,
CmsResourceState state,
long dateCreated,
CmsUUID userCreated,
long dateLastModified,
CmsUUID userLastModified,
long dateReleased,
long dateExpired,
int version) {
super(
structureId,
resourceId,
path,
type,
true,
flags,
projectId,
state,
dateCreated,
userCreated,
dateLastModified,
userLastModified,
dateReleased,
dateExpired,
1,
-1,
-1,
version);
}
/**
* Returns true if the given resource size describes a folder type.
*
* This is true in case size < 0.
*
* @param size the resource size to check
*
* @return true if the given resource size describes a folder type or false if it is no folder
*/
public static final boolean isFolderSize(long size) {
return (size < 0);
}
/**
* Returns true if the given resource type id describes a folder type.
*
* @param typeId the resource type id to check
*
* @return true if the given resource type id describes a folder type or false if it is no folder or an unknown type.
*/
public static final boolean isFolderType(int typeId) {
try {
return OpenCms.getResourceManager().getResourceType(typeId).isFolder();
} catch (CmsLoaderException e) {
if (LOG.isWarnEnabled()) {
LOG.warn(Messages.get().getBundle().key(Messages.ERR_UNKNOWN_RESOURCE_TYPE_1, new Integer(typeId)), e);
}
}
return false;
}
/**
* Returns true if the given resource type name describes a folder type.
*
* @param typeName the resource type name to check
*
* @return true if the given resource type name describes a folder type
*/
public static final boolean isFolderType(String typeName) {
try {
return OpenCms.getResourceManager().getResourceType(typeName).isFolder();
} catch (CmsLoaderException e) {
throw new CmsIllegalArgumentException(
Messages.get().container(Messages.ERR_UNKNOWN_RESOURCE_TYPE_1, typeName),
e);
}
}
/**
* Returns a clone of this Objects instance.
*
* @return a clone of this instance
*/
@Override
public Object clone() {
CmsResource clone = new CmsFolder(
getStructureId(),
getResourceId(),
getRootPath(),
getTypeId(),
getFlags(),
getProjectLastModified(),
getState(),
getDateCreated(),
getUserCreated(),
getDateLastModified(),
getUserLastModified(),
getDateReleased(),
getDateExpired(),
getVersion());
if (isTouched()) {
clone.setDateLastModified(getDateLastModified());
}
return clone;
}
/**
* A folder does always have the content date -1.
*
* @see org.opencms.file.CmsResource#getDateContent()
*/
@Override
public long getDateContent() {
return -1;
}
/**
* A folder does always have length -1.
*
* @see org.opencms.file.CmsResource#getLength()
*/
@Override
public int getLength() {
return -1;
}
/**
* Since this is a folder, not a file, false is always returned.
*
* @see org.opencms.file.CmsResource#isFile()
*/
@Override
public boolean isFile() {
return false;
}
/**
* Since this is a folder, true is always returned.
*
* @see org.opencms.file.CmsResource#isFolder()
*/
@Override
public boolean isFolder() {
return true;
}
/**
* @see org.opencms.file.CmsResource#isTemporaryFile()
*/
@Override
public boolean isTemporaryFile() {
return false;
}
}