/*!
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program 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.
*
* Copyright (c) 2002-2013 Pentaho Corporation.. All rights reserved.
*/
package org.pentaho.platform.plugin.action.builtin;
import org.pentaho.platform.api.action.IPostProcessingAction;
import org.pentaho.platform.api.action.IStreamProcessingAction;
import org.pentaho.platform.api.action.IStreamingAction;
import org.pentaho.platform.api.action.IVarArgsAction;
import org.pentaho.platform.api.engine.IComponent;
import org.pentaho.platform.api.engine.ILogger;
import org.pentaho.platform.api.engine.IMessageFormatter;
import org.pentaho.platform.api.engine.IOutputHandler;
import org.pentaho.platform.api.engine.IParameterProvider;
import org.pentaho.platform.api.engine.IRuntimeContext;
import org.pentaho.platform.api.engine.ISolutionEngine;
import org.pentaho.platform.api.repository.IContentItem;
import org.pentaho.platform.engine.core.output.SimpleOutputHandler;
import org.pentaho.platform.engine.core.solution.PentahoSessionParameterProvider;
import org.pentaho.platform.engine.core.solution.SimpleParameterProvider;
import org.pentaho.platform.engine.core.system.PentahoSessionHolder;
import org.pentaho.platform.engine.core.system.PentahoSystem;
import org.pentaho.platform.repository.RepositoryFilenameUtils;
import org.pentaho.platform.repository2.unified.fileio.RepositoryFileInputStream;
import org.pentaho.platform.repository2.unified.fileio.RepositoryFileOutputHandler;
import org.pentaho.platform.repository2.unified.fileio.RepositoryFileOutputStream;
import org.pentaho.platform.util.messages.LocaleHelper;
import org.pentaho.platform.util.web.MimeHelper;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class ActionSequenceAction implements IStreamProcessingAction, IStreamingAction, IVarArgsAction, IPostProcessingAction {
InputStream xactionDefInputStream;
OutputStream xactionResultsOutputStream;
Map<String, Object> xActionInputParams = new HashMap<String, Object>();
List<IContentItem> actionOutputContents = new ArrayList<IContentItem>();
public void setInputStream( InputStream arg0 ) {
xactionDefInputStream = arg0;
}
public void execute() throws Exception {
IOutputHandler outputHandler = null;
if ( xactionResultsOutputStream instanceof RepositoryFileOutputStream ) {
outputHandler = new RepositoryFileOutputHandler( ( (RepositoryFileOutputStream) xactionResultsOutputStream ) );
} else {
outputHandler = new SimpleOutputHandler( xactionResultsOutputStream, false );
}
IRuntimeContext rt = null;
try {
ISolutionEngine solutionEngine = PentahoSystem.get( ISolutionEngine.class, null );
solutionEngine.setCreateFeedbackParameterCallback( null );
solutionEngine.setLoggingLevel( ILogger.DEBUG );
solutionEngine.setForcePrompt( false );
ArrayList messages = new ArrayList();
HashMap<String, Object> parameterProviders = new HashMap<String, Object>();
parameterProviders.put( IParameterProvider.SCOPE_REQUEST, new SimpleParameterProvider( xActionInputParams ) );
parameterProviders.put( IParameterProvider.SCOPE_SESSION, new PentahoSessionParameterProvider(
PentahoSessionHolder.getSession() ) );
String xactionPath = null;
if ( xactionDefInputStream instanceof RepositoryFileInputStream ) {
xactionPath = ( (RepositoryFileInputStream) xactionDefInputStream ).getFile().getPath();
}
rt =
solutionEngine.execute( xactionPath, this.getClass().getName(), false, true, null, true, parameterProviders,
outputHandler, null, null, messages );
if ( !outputHandler.contentDone() ) {
if ( ( rt != null ) && ( rt.getStatus() == IRuntimeContext.RUNTIME_STATUS_SUCCESS ) ) {
//set content which generated by sequence for pass it to caller
List<IContentItem> components = new ArrayList<IContentItem>( rt.getOutputContentItems() );
setActionOutputContents( components );
boolean isFlushed = false;
boolean isEmpty;
if ( xactionResultsOutputStream instanceof RepositoryFileOutputStream ) {
RepositoryFileOutputStream repositoryFileOutputStream =
(RepositoryFileOutputStream) xactionResultsOutputStream;
isFlushed = repositoryFileOutputStream.isFlushed();
isEmpty = repositoryFileOutputStream.size() > 0 ? false : true;
String extension = RepositoryFilenameUtils.getExtension( repositoryFileOutputStream.getFilePath() );
String mimeTypeFromExtension = MimeHelper.getMimeTypeFromExtension( "." + extension );
if ( mimeTypeFromExtension == null ) {
// unknown type, treat it not as an extension but part of the name
extension = "";
}
if ( extension.isEmpty()
&& xactionResultsOutputStream.toString().isEmpty() ) {
repositoryFileOutputStream.setFilePath( repositoryFileOutputStream.getFilePath() + ".html" );
}
} else {
isEmpty = xactionResultsOutputStream.toString().isEmpty();
}
if ( !isFlushed ) {
if ( isEmpty ) {
StringBuffer buffer = new StringBuffer();
PentahoSystem.get( IMessageFormatter.class, null ).formatSuccessMessage( "text/html", rt, buffer, false ); //$NON-NLS-1$
xactionResultsOutputStream.write( buffer.toString().getBytes( LocaleHelper.getSystemEncoding() ) );
}
xactionResultsOutputStream.close();
}
} else {
// we need an error message...
StringBuffer buffer = new StringBuffer();
PentahoSystem.get( IMessageFormatter.class, null ).formatFailureMessage( "text/html", rt, buffer, messages ); //$NON-NLS-1$
xactionResultsOutputStream.write( buffer.toString().getBytes( LocaleHelper.getSystemEncoding() ) );
xactionResultsOutputStream.close();
}
}
} finally {
if ( rt != null ) {
rt.dispose();
}
}
}
public String getMimeType( String arg0 ) {
return null;
}
public void setOutputStream( OutputStream arg0 ) {
xactionResultsOutputStream = arg0;
}
public void setVarArgs( Map<String, Object> arg0 ) {
xActionInputParams.clear();
xActionInputParams.putAll( arg0 );
}
@Override
public List<IContentItem> getActionOutputContents() {
return actionOutputContents;
}
private void setActionOutputContents( List<IContentItem> contentItems ) {
this.actionOutputContents = contentItems;
}
}