AbstractMessageFormatTemplateMethod.java
- /*
- * Copyright (c) 2002-2022, City of Paris
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice
- * and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice
- * and the following disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * 3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- * License 1.0
- */
- package fr.paris.lutece.portal.service.template;
- import freemarker.core.Environment;
- import freemarker.template.TemplateDateModel;
- import freemarker.template.TemplateMethodModelEx;
- import freemarker.template.TemplateModel;
- import freemarker.template.TemplateModelException;
- import freemarker.template.TemplateNumberModel;
- import freemarker.template.TemplateScalarModel;
- import java.text.MessageFormat;
- import java.util.List;
- import java.util.Locale;
- public abstract class AbstractMessageFormatTemplateMethod implements TemplateMethodModelEx
- {
- @Override
- public Object exec( @SuppressWarnings( "rawtypes" ) List arguments ) throws TemplateModelException
- {
- int argsSize = arguments.size( );
- if ( argsSize < 1 )
- {
- throw new TemplateModelException( "Must be called with at least one argument (the message key)" );
- }
- String key = ( (TemplateScalarModel) arguments.get( 0 ) ).getAsString( );
- Locale locale = Environment.getCurrentEnvironment( ).getLocale( );
- if ( argsSize == 1 )
- {
- // no arguments, the message is not a MessageFormat
- return getPattern( key, locale );
- }
- Object [ ] args = new Object [ argsSize - 1];
- for ( int i = 1; i < argsSize; i++ )
- {
- TemplateModel arg = (TemplateModel) arguments.get( i );
- if ( arg instanceof TemplateScalarModel )
- {
- args [i - 1] = ( (TemplateScalarModel) arg ).getAsString( );
- }
- else
- if ( arg instanceof TemplateNumberModel )
- {
- args [i - 1] = ( (TemplateNumberModel) arg ).getAsNumber( );
- }
- else
- if ( arg instanceof TemplateDateModel )
- {
- args [i - 1] = ( (TemplateDateModel) arg ).getAsDate( );
- }
- else
- {
- throw new TemplateModelException( "Unsupported argument type : " + arg );
- }
- }
- return new MessageFormat( getPattern( key, locale ), locale ).format( args, new StringBuffer( ), null ).toString( );
- }
- protected abstract String getPattern( String key, Locale locale );
- }