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fr.opensagres.xdocreport.document.registry.XDocReportRegistry Maven / Gradle / Ivy
/**
* Copyright (C) 2011-2015 The XDocReport Team
*
* All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
package fr.opensagres.xdocreport.document.registry;
import static java.text.MessageFormat.format;
import java.io.IOException;
import java.io.InputStream;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Timer;
import java.util.TimerTask;
import java.util.logging.Logger;
import fr.opensagres.xdocreport.converter.MimeMapping;
import fr.opensagres.xdocreport.core.XDocReportException;
import fr.opensagres.xdocreport.core.cache.CacheStorageRegistry;
import fr.opensagres.xdocreport.core.cache.ICacheStorage;
import fr.opensagres.xdocreport.core.io.IEntryInfo;
import fr.opensagres.xdocreport.core.io.XDocArchive;
import fr.opensagres.xdocreport.core.logging.LogUtils;
import fr.opensagres.xdocreport.core.registry.AbstractRegistry;
import fr.opensagres.xdocreport.core.utils.StringUtils;
import fr.opensagres.xdocreport.document.IXDocReport;
import fr.opensagres.xdocreport.document.discovery.IXDocReportFactoryDiscovery;
import fr.opensagres.xdocreport.template.ITemplateEngine;
import fr.opensagres.xdocreport.template.TemplateEngineKind;
import fr.opensagres.xdocreport.template.cache.ITemplateCacheInfoProvider;
/**
* Registry for loading and cahing {@link IXDocReport} instances.
*/
public class XDocReportRegistry
extends AbstractRegistry
implements ITemplateCacheInfoProvider, Serializable
{
/**
*
*/
private static final long serialVersionUID = 1653550067972102340L;
/**
* Logger for this class
*/
private static final Logger LOGGER = LogUtils.getLogger( AbstractRegistry.class.getName() );
private static final String FILES_TYPE_ERROR =
"Impossible to create report for the input stream. The report loader supports only [{0}] files type.";
private static final XDocReportRegistry INSTANCE = new XDocReportRegistry();
private final Collection reportFactoryDiscoveries =
new ArrayList();
/**
* IXDocReport cache.
*/
private final ICacheStorage cachedReports;
private Timer cleanupTimer;
public XDocReportRegistry()
{
super( IXDocReportFactoryDiscovery.class );
this.cachedReports = createCache();
}
/**
* Create the storage cache to store instances of IXDocReport.
*
* @return
*/
protected ICacheStorage createCache()
{
return CacheStorageRegistry.getRegistry().createCache();
}
public static XDocReportRegistry getRegistry()
{
return INSTANCE;
}
/**
* Load report.
*
* Note : this function does't cache the report.
*
* @param sourceStream
* @return
* @throws IOException
* @throws XDocReportException
*/
public IXDocReport loadReport( InputStream sourceStream )
throws IOException, XDocReportException
{
return loadReport( sourceStream, null, null, null, false );
}
/**
* Load report.
*
* @param sourceStream
* @param cacheReport
* @return
* @throws IOException
* @throws XDocReportException
*/
public IXDocReport loadReport( InputStream sourceStream, boolean cacheReport )
throws IOException, XDocReportException
{
return loadReport( sourceStream, null, null, null, cacheReport );
}
/**
* Load report.
*
* Note : this function cache the report.
*
* @param sourceStream
* @param reportId
* @return
* @throws IOException
* @throws XDocReportException
*/
public IXDocReport loadReport( InputStream sourceStream, String reportId )
throws IOException, XDocReportException
{
return loadReport( sourceStream, reportId, true );
}
/**
* Load report.
*
* @param sourceStream
* @param reportId
* @return
* @throws IOException
* @throws XDocReportException
*/
public IXDocReport loadReport( InputStream sourceStream, String reportId, boolean cacheReport )
throws IOException, XDocReportException
{
return loadReport( sourceStream, reportId, null, null, cacheReport );
}
/**
* Load report.
*
* Note : this function cache the report.
*
* @param sourceStream
* @param reportId
* @return
* @throws IOException
* @throws XDocReportException
*/
public IXDocReport loadReport( InputStream sourceStream, String reportId, ITemplateEngine templateEngine )
throws IOException, XDocReportException
{
return loadReport( sourceStream, reportId, null, templateEngine, true );
}
/**
* Load report.
*
* @param sourceStream
* @param reportId
* @return
* @throws IOException
* @throws XDocReportException
*/
public IXDocReport loadReport( InputStream sourceStream, String reportId, ITemplateEngine templateEngine,
boolean cacheReport )
throws IOException, XDocReportException
{
return loadReport( sourceStream, reportId, null, templateEngine, cacheReport );
}
/**
* Load report.
*
* Note : this function cache the report.
*
* @param sourceStream
* @param reportId
* @return
* @throws IOException
* @throws XDocReportException
*/
public IXDocReport loadReport( InputStream sourceStream, String reportId, String templateEngineKind )
throws IOException, XDocReportException
{
return loadReport( sourceStream, reportId, templateEngineKind, true );
}
/**
* Load report.
*
* @param sourceStream
* @param reportId
* @return
* @throws IOException
* @throws XDocReportException
*/
public IXDocReport loadReport( InputStream sourceStream, String reportId, String templateEngineKind,
boolean cacheReport )
throws IOException, XDocReportException
{
return loadReport( sourceStream, reportId, templateEngineKind, null, cacheReport );
}
/**
* Load report.
*
* Note : this function cache the report.
*
* @param sourceStream
* @param reportId
* @return
* @throws IOException
* @throws XDocReportException
*/
public IXDocReport loadReport( InputStream sourceStream, String reportId, TemplateEngineKind templateEngineKind )
throws IOException, XDocReportException
{
return loadReport( sourceStream, reportId, templateEngineKind, true );
}
/**
* Load report.
*
* @param sourceStream
* @param reportId
* @return
* @throws IOException
* @throws XDocReportException
*/
public IXDocReport loadReport( InputStream sourceStream, String reportId, TemplateEngineKind templateEngineKind,
boolean cacheReport )
throws IOException, XDocReportException
{
return loadReport( sourceStream, reportId, templateEngineKind.name(), null, cacheReport );
}
/**
* Load report.
*
* Note : this function does't cache the report.
*
* @param sourceStream
* @param templateEngine
* @return
* @throws IOException
* @throws XDocReportException
*/
public IXDocReport loadReport( InputStream sourceStream, ITemplateEngine templateEngine )
throws IOException, XDocReportException
{
return loadReport( sourceStream, templateEngine, false );
}
/**
* Load report.
*
* @param sourceStream
* @param templateEngine
* @return
* @throws IOException
* @throws XDocReportException
*/
public IXDocReport loadReport( InputStream sourceStream, ITemplateEngine templateEngine, boolean cacheReport )
throws IOException, XDocReportException
{
return loadReport( sourceStream, null, null, templateEngine, cacheReport );
}
/**
* Load report.
*
* Note : this function does't cache the report.
*
* @param sourceStream
* @param templateEngineKind
* @return
* @throws IOException
* @throws XDocReportException
*/
public IXDocReport loadReport( InputStream sourceStream, TemplateEngineKind templateEngineKind )
throws IOException, XDocReportException
{
return loadReport( sourceStream, templateEngineKind, false );
}
/**
* Load report.
*
* @param sourceStream
* @param templateEngineKind
* @return
* @throws IOException
* @throws XDocReportException
*/
public IXDocReport loadReport( InputStream sourceStream, TemplateEngineKind templateEngineKind, boolean cacheReport )
throws IOException, XDocReportException
{
return loadReport( sourceStream, null, templateEngineKind.name(), null, cacheReport );
}
private IXDocReport loadReport( InputStream sourceStream, String reportId, String templateEngineKind,
ITemplateEngine templateEngine, boolean cacheReport )
throws IOException, XDocReportException
{
initializeIfNeeded();
// 2) zip was loaded, create an instance of report
IXDocReport report = createReport( sourceStream );
// 3) Update the report id if need.
if ( StringUtils.isEmpty( reportId ) )
{
reportId = report.toString();
}
report.setId( reportId );
// 4) Search or set the template engine.
if ( templateEngine == null && StringUtils.isNotEmpty( templateEngineKind ) )
{
// Template engine was not forced.
// Search template engine
String documentKind = report.getKind();
templateEngine =
TemplateEngineInitializerRegistry.getRegistry().getTemplateEngine( templateEngineKind, documentKind );
if ( templateEngine == null )
{
templateEngine =
TemplateEngineInitializerRegistry.getRegistry().getTemplateEngine( templateEngineKind, null );
}
}
report.setTemplateEngine( templateEngine );
if ( cacheReport )
{
registerReport( report );
}
return report;
}
public IXDocReport createReport( InputStream sourceStream )
throws IOException, XDocReportException
{
// Load zipped XML document
XDocArchive documentArchive = XDocArchive.readZip( sourceStream );
return createReport( documentArchive );
}
public IXDocReport createReport( XDocArchive documentArchive )
throws IOException, XDocReportException
{
initializeIfNeeded();
for ( IXDocReportFactoryDiscovery discovery : reportFactoryDiscoveries )
{
if ( discovery.isAdaptFor( documentArchive ) )
{
IXDocReport report = discovery.createReport();
if ( report != null )
{
report.setDocumentArchive( documentArchive );
}
return report;
}
}
throw new XDocReportException( format( FILES_TYPE_ERROR, getFilesType() ) );
}
private String getFilesType()
{
StringBuilder filesType = new StringBuilder();
Collection discoveries = getReportFactoryDiscoveries();
for ( IXDocReportFactoryDiscovery discovery : discoveries )
{
if ( filesType.length() > 0 )
{
filesType.append( "," );
}
filesType.append( discovery.getMimeMapping().getExtension() );
}
return filesType.toString();
}
/**
* Register report and throws XDocReportException if it already exists a report in the registry with the same id .
*
* @param report
* @throws XDocReportException
*/
public void registerReport( IXDocReport report )
throws XDocReportException
{
registerReport( report, false );
}
/**
* Register report.
*
* @param report the report to register
* @param force true if report must be forced (if report already exists with the same id) and false otherwise (throw
* XDocReportException if report exists with the same id).
* @throws XDocReportException
*/
public synchronized void registerReport( IXDocReport report, boolean force )
throws XDocReportException
{
String reportId = report.getId();
if ( StringUtils.isEmpty( reportId ) )
{
throw new XDocReportException( "Cannot register report. IXDocReport#getId() cannot be empty." );
}
if ( !force )
{
checkReportId( reportId );
}
cachedReports.put( report.getId(), report );
}
/**
* Check if registry can register the report with this id.
*
* @param reportId
* @throws XDocReportException
*/
public void checkReportId( String reportId )
throws XDocReportException
{
if ( cachedReports.containsKey( reportId ) )
{
String msg =
String.format( "Cannot register report. A report with id=%s already exists in the registry", reportId );
LOGGER.warning( msg );
throw new XDocReportException( msg );
}
}
/**
* Returns the report identified with the given id.
*
* @param reportId
* @return
*/
public IXDocReport getReport( String reportId )
{
return cachedReports.get( reportId );
}
/**
* Returns true if report identified with the given id exists in the registry and false otherwise.
*
* @param reportId
* @return
*/
public boolean existsReport( String reportId )
{
return cachedReports.containsKey( reportId );
}
/**
* Unregister report identified with the given id.
*
* @param reportId
*/
public void unregisterReport( String reportId )
{
if ( existsReport( reportId ) )
{
cachedReports.remove( reportId );
}
}
/**
* Unregister report.
*
* @param report
*/
public void unregisterReport( IXDocReport report )
{
if ( report != null )
{
cachedReports.remove( report.getId() );
}
}
/**
* Returns list of report factory discoveries.
*
* @return
*/
public Collection getReportFactoryDiscoveries()
{
initializeIfNeeded();
return reportFactoryDiscoveries;
}
/**
* Returns cached report {@link IXDocReport};
*
* @return
*/
public Collection getCachedReports()
{
return Collections.unmodifiableCollection( cachedReports.values() );
}
/**
* Clear cache with timeout. If this method is called, you must call
* {@link XDocReportRegistry#dispose()} method at the end of your program to
* stop the timer Thread.
*
* @param timeout
*/
public void setClearTimeout( long timeout )
{
if (cleanupTimer == null) {
cleanupTimer = new Timer();
}
cleanupTimer.schedule(new TimerTask() {
@Override
public void run() {
clear();
}
}, timeout, timeout);
}
/**
* Clear the cached reports.
*/
public void clear()
{
cachedReports.clear();
}
/**
* Returns mime mapping for the file extension.
*
* @param fileExtension
* @return
* @throws IOException
* @throws XDocReportException
*/
public MimeMapping getMimeMapping( String fileExtension )
throws IOException, XDocReportException
{
initializeIfNeeded();
for ( IXDocReportFactoryDiscovery discovery : reportFactoryDiscoveries )
{
if ( discovery.isAdaptFor( fileExtension ) )
{
return discovery.getMimeMapping();
}
}
return null;
}
/**
* Generate unique report id.
*
* @param reportId
* @return
*/
public synchronized String generateUniqueReportId( String reportId )
{
IXDocReport report = getReport( reportId );
if ( report != null )
{
StringBuilder id = new StringBuilder( reportId );
id.append( "_" );
id.append( System.currentTimeMillis() );
return id.toString();
}
return reportId;
}
public IEntryInfo getTemplateCacheInfo( String reportId, String entryName )
{
IXDocReport report = getReport( reportId );
if ( report == null )
{
return null;
}
return report.getPreprocessedDocumentArchive().getEntryInfo( entryName );
}
@Override
protected void doDispose()
{
if (cleanupTimer != null) {
this.cleanupTimer.cancel();
}
this.reportFactoryDiscoveries.clear();
this.cachedReports.clear();
}
@Override
protected boolean registerInstance( IXDocReportFactoryDiscovery instance )
{
reportFactoryDiscoveries.add( instance );
return true;
}
}
