/* * 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" ); } }