mirror of
https://github.com/Alfresco/alfresco-community-repo.git
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6f4ab835fe
Added AbstractRoutingContentStore as a start base implementation. Added warnings to drive config away from disused setTransactionService towards setRetryingTransactionHelper. git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@5734 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
77 lines
2.3 KiB
Java
77 lines
2.3 KiB
Java
/*
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* Copyright (C) 2005-2007 Alfresco Software Limited.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* As a special exception to the terms and conditions of version 2.0 of
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* the GPL, you may redistribute this Program in connection with Free/Libre
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* and Open Source Software ("FLOSS") applications as described in Alfresco's
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* FLOSS exception. You should have recieved a copy of the text describing
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* the FLOSS exception, and it is also available here:
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* http://www.alfresco.com/legal/licensing"
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*/
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package org.alfresco.repo.content;
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import java.nio.channels.ReadableByteChannel;
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import org.alfresco.service.cmr.repository.ContentIOException;
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import org.alfresco.service.cmr.repository.ContentReader;
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/**
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* A blank reader for which <code>exists()</code> always returns false.
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*
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* @author Derek Hulley
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*/
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public class EmptyContentReader extends AbstractContentReader
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{
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/**
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* @param contentUrl the content URL
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*/
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public EmptyContentReader(String contentUrl)
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{
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super(contentUrl);
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}
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/**
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* @return Returns an instance of the this class
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*/
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@Override
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protected ContentReader createReader() throws ContentIOException
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{
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return new EmptyContentReader(this.getContentUrl());
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}
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@Override
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protected ReadableByteChannel getDirectReadableChannel() throws ContentIOException
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{
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throw new UnsupportedOperationException("The content never exists");
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}
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public boolean exists()
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{
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return false;
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}
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public long getLastModified()
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{
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return 0L;
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}
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public long getSize()
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{
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return 0L;
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}
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}
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