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125788 rmunteanu: Merged 5.1.N (5.1.2) to 5.2.N (5.2.1) 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/HEAD/root@127810 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
208 lines
5.9 KiB
Java
208 lines
5.9 KiB
Java
/*
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* #%L
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* Alfresco Repository
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* %%
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* Copyright (C) 2005 - 2016 Alfresco Software Limited
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* %%
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* This file is part of the Alfresco software.
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* If the software was purchased under a paid Alfresco license, the terms of
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* the paid license agreement will prevail. Otherwise, the software is
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* provided under the following open source license terms:
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*
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* Alfresco is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Alfresco 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 Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
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* #L%
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*/
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package org.alfresco.filesys.repo;
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import java.io.IOException;
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import org.alfresco.model.ContentModel;
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import org.alfresco.service.cmr.repository.ContentService;
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import org.alfresco.service.cmr.repository.MimetypeService;
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import org.alfresco.service.cmr.repository.NodeRef;
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import org.alfresco.service.cmr.repository.NodeService;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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/**
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* OpenOffice Content Network File Class
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*
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* <p>Provides special handling for OpenOffice file saves that open the file, truncate, close, then open the file
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* again to write the data, as this causes multiple versions to be generated when the file is versionable.
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*
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* @author gkspencer
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*/
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public class OpenOfficeContentNetworkFile extends ContentNetworkFile {
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// Debug logging
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private static final Log logger = LogFactory.getLog(OpenOfficeContentNetworkFile.class);
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// Flag to indicate the last I/O operation was a truncate file to zero size
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private boolean m_truncateToZero;
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// Delayed file close count
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private int m_delayedClose;
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/**
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* Class constructor
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*
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* @param nodeService NodeService
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* @param contentService ContentService
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* @param mimetypeService MimetypeService
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* @param nodeRef NodeRef
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* @param name String
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*/
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protected OpenOfficeContentNetworkFile(
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NodeService nodeService,
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ContentService contentService,
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MimetypeService mimetypeService,
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NodeRef nodeRef,
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String name)
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{
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super(nodeService, contentService, mimetypeService, nodeRef, name);
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// DEBUG
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if (logger.isDebugEnabled())
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logger.debug("Using OpenOffice network file for " + name + ", versionLabel=" + nodeService.getProperty( nodeRef, ContentModel.PROP_VERSION_LABEL));
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}
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/**
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* Return the delayed close count
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*
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* @return int
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*/
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public final int getDelayedCloseCount() {
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return m_delayedClose;
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}
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/**
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* Increment the delayed close count
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*/
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public final void incrementDelayedCloseCount() {
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m_delayedClose++;
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// Clear the truncate to zero status
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m_truncateToZero = false;
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// DEBUG
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if ( logger.isDebugEnabled())
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logger.debug("Increment delayed close count=" + getDelayedCloseCount() + ", path=" + getName());
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}
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/**
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* Check if the last file operation was a truncate to zero length
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*
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* @return boolean
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*/
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public final boolean truncatedToZeroLength() {
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return m_truncateToZero;
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}
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/**
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* Read from the file.
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*
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* @param buffer byte[]
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* @param length int
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* @param position int
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* @param fileOffset long
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* @return Length of data read.
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* @exception IOException
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*/
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public int readFile(byte[] buffer, int length, int position, long fileOffset)
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throws IOException
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{
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// Clear the truncate flag
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m_truncateToZero = false;
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// Chain to the standard read
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return super.readFile( buffer, length, position, fileOffset);
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}
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/**
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* Write a block of data to the file.
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*
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* @param buffer byte[]
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* @param length int
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* @param position int
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* @param fileOffset long
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* @exception IOException
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*/
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public void writeFile(byte[] buffer, int length, int position, long fileOffset)
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throws IOException
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{
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// Clear the truncate flag
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m_truncateToZero = false;
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// Chain to the standard write
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super.writeFile( buffer, length, position, fileOffset);
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}
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/**
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* Truncate or extend the file to the specified length
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*
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* @param size long
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* @exception IOException
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*/
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public void truncateFile(long size)
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throws IOException
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{
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// Chain to the standard truncate
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super.truncateFile( size);
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// Check for a truncate to zero length
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if ( size == 0L) {
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m_truncateToZero = true;
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// DEBUG
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if ( logger.isDebugEnabled())
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logger.debug("OpenOffice document truncated to zero length, path=" + getName());
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}
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}
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/**
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* Close the file
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*
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* @exception IOException
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*/
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public void closeFile()
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throws IOException
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{
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// DEBUG
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if ( logger.isDebugEnabled()) {
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logger.debug("Close OpenOffice file, " + getName() + ", delayed close count=" + getDelayedCloseCount() + ", writes=" + getWriteCount() +
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", modified=" + isModified());
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logger.debug(" Open count=" + getOpenCount() + ", fstate open=" + getFileState().getOpenCount());
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}
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// Chain to the standard close
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super.closeFile();
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}
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}
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