/*
* 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) 2001 - 2016 Object Refinery Ltd, Pentaho Corporation and Contributors.. All rights reserved.
*/
package org.pentaho.reporting.engine.classic.core.filter.types;
import org.pentaho.reporting.engine.classic.core.AttributeNames;
import org.pentaho.reporting.engine.classic.core.ReportElement;
import org.pentaho.reporting.engine.classic.core.ResourceBundleFactory;
import org.pentaho.reporting.engine.classic.core.filter.MessageFormatSupport;
import org.pentaho.reporting.engine.classic.core.function.ExpressionRuntime;
import org.pentaho.reporting.libraries.base.util.ObjectUtilities;
import java.util.Locale;
import java.util.TimeZone;
public class MessageType extends AbstractElementType implements RotatableText {
public static final MessageType INSTANCE = new MessageType();
public static class MessageTypeContext {
public MessageTypeContext() {
messageFormatFilter = new MessageFormatSupport();
}
public MessageFormatSupport messageFormatFilter;
}
public MessageType() {
super( "message" );
}
/**
* Returns the current value for the data source.
*
* @param runtime
* the expression runtime that is used to evaluate formulas and expressions when computing the value of this
* filter.
* @param element
* the element from which to read attribute.
* @return the value.
*/
public Object getValue( final ExpressionRuntime runtime, final ReportElement element ) {
if ( runtime == null ) {
throw new NullPointerException( "Runtime must never be null." );
}
if ( element == null ) {
throw new NullPointerException( "Element must never be null." );
}
final Object nullValue = element.getAttribute( AttributeNames.Core.NAMESPACE, AttributeNames.Core.NULL_VALUE );
final Object message = ElementTypeUtils.queryStaticValue( element );
if ( message == null ) {
return rotate( element, nullValue, runtime );
}
final MessageTypeContext context = element.getElementContext( MessageTypeContext.class );
final MessageFormatSupport messageFormatFilter = context.messageFormatFilter;
messageFormatFilter.setFormatString( String.valueOf( message ) );
final Object messageNullValue =
element.getAttribute( AttributeNames.Core.NAMESPACE, AttributeNames.Core.MESSAGE_NULL_VALUE );
if ( messageNullValue != null ) {
messageFormatFilter.setNullString( String.valueOf( messageNullValue ) );
} else if ( nullValue != null ) {
messageFormatFilter.setNullString( String.valueOf( nullValue ) );
} else {
messageFormatFilter.setNullString( null );
}
final ResourceBundleFactory resourceBundleFactory = runtime.getResourceBundleFactory();
final Locale newLocale = resourceBundleFactory.getLocale();
if ( ObjectUtilities.equal( newLocale, messageFormatFilter.getLocale() ) == false ) {
messageFormatFilter.setLocale( newLocale );
}
final TimeZone newTimeZone = resourceBundleFactory.getTimeZone();
if ( ObjectUtilities.equal( newTimeZone, messageFormatFilter.getTimeZone() ) == false ) {
messageFormatFilter.setTimeZone( newTimeZone );
}
final Object value = messageFormatFilter.performFormat( runtime.getDataRow() );
if ( value == null ) {
return rotate( element, nullValue, runtime );
}
return rotate( element, value, runtime );
}
public Object getDesignValue( final ExpressionRuntime runtime, final ReportElement element ) {
final Object message = ElementTypeUtils.queryStaticValue( element );
if ( message == null || String.valueOf( message ).length() == 0 ) {
final String value = element.getElementType().getMetaData().getName();
return rotate( element, value != null ? value : getId(), runtime );
}
return rotate( element, message, runtime );
}
public void configureDesignTimeDefaults( final ReportElement element, final Locale locale ) {
element.setAttribute( AttributeNames.Core.NAMESPACE, AttributeNames.Core.VALUE, "Message" );
}
}