    001// Copyright 2007, 2008, 2010, 2013 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
    015package org.apache.tapestry5.corelib.pages;
    016
    017import org.apache.tapestry5.MarkupWriter;
    018import org.apache.tapestry5.Renderable;
    019import org.apache.tapestry5.annotations.Environmental;
    020import org.apache.tapestry5.internal.TapestryInternalUtils;
    021import org.apache.tapestry5.ioc.annotations.Inject;
    022import org.apache.tapestry5.services.BeanBlockSource;
    023import org.apache.tapestry5.services.PropertyOutputContext;
    024
    025import java.text.DateFormat;
    026import java.util.Calendar;
    027import java.util.Date;
    028import java.util.Locale;
    029
    030/**
    031 * Contains blocks for displaying basic property types; the blocks are contributed to the
    032 * {@link BeanBlockSource} service.
    033 */
    034public class PropertyDisplayBlocks
    035{
    036    @Environmental
    037    private PropertyOutputContext context;
    038
    039    @Inject
    040    private Locale locale;
    041
    042    public String getConvertedEnumValue()
    043    {
    044        Enum value = (Enum) context.getPropertyValue();
    045
    046        if (value == null) return null;
    047
    048        return TapestryInternalUtils.getLabelForEnum(context.getMessages(), value);
    049    }
    050
    051    public DateFormat getDateFormat()
    052    {
    053        return DateFormat.getDateInstance(DateFormat.MEDIUM, locale);
    054    }
    055
    056    public Date getCalendarDate()
    057    {
    058        Calendar calendar = (Calendar) context.getPropertyValue();
    059
    060        return calendar == null ? null : calendar.getTime();
    061    }
    062
    063
    064    public PropertyOutputContext getContext()
    065    {
    066        return context;
    067    }
    068
    069    public Renderable getPasswordRenderer()
    070    {
    071        return new Renderable()
    072        {
    073            public void render(MarkupWriter writer)
    074            {
    075
    076                Object value = context.getPropertyValue();
    077
    078                int length = value == null ? 0 : value.toString().length();
    079
    080                for (int i = 0; i < length; i++) writer.write("*");
    081            }
    082        };
    083    }
    084}