    001    // Copyright 2007, 2008, 2010 The Apache Software Foundation
    002    //
    003    // Licensed under the Apache License, Version 2.0 (the "License");
    004    // you may not use this file except in compliance with the License.
    005    // You may obtain a copy of the License at
    006    //
    007    //     http://www.apache.org/licenses/LICENSE-2.0
    008    //
    009    // Unless required by applicable law or agreed to in writing, software
    010    // distributed under the License is distributed on an "AS IS" BASIS,
    011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    012    // See the License for the specific language governing permissions and
    013    // limitations under the License.
    014
    015    package org.apache.tapestry5.corelib.pages;
    016
    017    import org.apache.tapestry5.MarkupWriter;
    018    import org.apache.tapestry5.Renderable;
    019    import org.apache.tapestry5.annotations.Environmental;
    020    import org.apache.tapestry5.internal.TapestryInternalUtils;
    021    import org.apache.tapestry5.ioc.annotations.Inject;
    022    import org.apache.tapestry5.services.BeanBlockSource;
    023    import org.apache.tapestry5.services.PropertyOutputContext;
    024
    025    import java.text.DateFormat;
    026    import java.util.Calendar;
    027    import java.util.Date;
    028    import java.util.Locale;
    029
    030    /**
    031     * Contains blocks for displaying basic property types; the blocks are contributed to the
    032     * {@link BeanBlockSource} service.
    033     */
    034    public class PropertyDisplayBlocks
    035    {
    036        @Environmental
    037        private PropertyOutputContext context;
    038
    039        @Inject
    040        private Locale locale;
    041
    042        private final DateFormat dateFormat = DateFormat.getDateInstance(DateFormat.MEDIUM, locale);
    043
    044        public String getConvertedEnumValue()
    045        {
    046            Enum value = (Enum) context.getPropertyValue();
    047
    048            if (value == null) return null;
    049
    050            return TapestryInternalUtils.getLabelForEnum(context.getMessages(), value);
    051        }
    052
    053        public DateFormat getDateFormat()
    054        {
    055            return dateFormat;
    056        }
    057
    058        public Date getCalendarDate()
    059        {
    060            Calendar calendar = (Calendar) context.getPropertyValue();
    061
    062            if(calendar == null)
    063                return null;
    064
    065            return calendar.getTime();
    066         }
    067
    068
    069        public PropertyOutputContext getContext()
    070        {
    071            return context;
    072        }
    073
    074        public Renderable getPasswordRenderer()
    075        {
    076            return new Renderable()
    077            {
    078                public void render(MarkupWriter writer)
    079                {
    080
    081                    Object value = context.getPropertyValue();
    082
    083                    int length = value == null ? 0 : value.toString().length();
    084
    085                    for (int i = 0; i < length; i++) writer.write("*");
    086                }
    087            };
    088        }
    089    }