mirror of
https://github.com/Alfresco/alfresco-community-repo.git
synced 2025-10-29 15:21:53 +00:00
6afb44e712
125606 rmunteanu: Merged 5.1.1 (5.1.1) to 5.1.N (5.1.2)
125515 slanglois: MNT-16155 Update source headers - add new Copyrights for Java and JSP source files + automatic check in the build
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/BRANCHES/DEV/5.2.N/root@125788 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
81 lines
2.4 KiB
Java
81 lines
2.4 KiB
Java
/*
|
|
* #%L
|
|
* Alfresco Repository
|
|
* %%
|
|
* Copyright (C) 2005 - 2016 Alfresco Software Limited
|
|
* %%
|
|
* This file is part of the Alfresco software.
|
|
* If the software was purchased under a paid Alfresco license, the terms of
|
|
* the paid license agreement will prevail. Otherwise, the software is
|
|
* provided under the following open source license terms:
|
|
*
|
|
* Alfresco 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 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* Alfresco 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.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
|
|
* #L%
|
|
*/
|
|
package org.alfresco.repo.content;
|
|
|
|
import java.nio.channels.ReadableByteChannel;
|
|
|
|
import org.alfresco.service.cmr.repository.ContentIOException;
|
|
import org.alfresco.service.cmr.repository.ContentReader;
|
|
import org.springframework.dao.ConcurrencyFailureException;
|
|
|
|
/**
|
|
* A blank reader for which <code>exists()</code> always returns false.
|
|
*
|
|
* @author Derek Hulley
|
|
*/
|
|
public class EmptyContentReader extends AbstractContentReader
|
|
{
|
|
/**
|
|
* @param contentUrl the content URL
|
|
*/
|
|
public EmptyContentReader(String contentUrl)
|
|
{
|
|
super(contentUrl);
|
|
}
|
|
|
|
/**
|
|
* @return Returns an instance of the this class
|
|
*/
|
|
@Override
|
|
protected ContentReader createReader() throws ContentIOException
|
|
{
|
|
return new EmptyContentReader(this.getContentUrl());
|
|
}
|
|
|
|
@Override
|
|
protected ReadableByteChannel getDirectReadableChannel() throws ContentIOException
|
|
{
|
|
// ALF-17708: If we got the contentdata from the transactional cache, there's a chance that eager cleaning can
|
|
// remove the content from under our feet
|
|
throw new ConcurrencyFailureException(getContentUrl() + " no longer exists");
|
|
}
|
|
|
|
public boolean exists()
|
|
{
|
|
return false;
|
|
}
|
|
|
|
public long getLastModified()
|
|
{
|
|
return 0L;
|
|
}
|
|
|
|
public long getSize()
|
|
{
|
|
return 0L;
|
|
}
|
|
}
|