    001// Copyright 2011 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.kaptcha.internal.services;
    016
    017import com.google.code.kaptcha.impl.DefaultKaptcha;
    018import com.google.code.kaptcha.util.Config;
    019import org.apache.tapestry5.kaptcha.services.KaptchaProducer;
    020
    021import java.awt.image.BufferedImage;
    022import java.util.Map;
    023import java.util.Properties;
    024
    025public class KaptchaProducerImpl implements KaptchaProducer
    026{
    027    private final DefaultKaptcha producer;
    028
    029    private final int height;
    030
    031    private final int width;
    032
    033    public KaptchaProducerImpl(Map<String, String> configuration)
    034    {
    035        producer = new DefaultKaptcha();
    036
    037        Config config = new Config(toProperties(configuration));
    038
    039        producer.setConfig(config);
    040
    041        height = config.getHeight();
    042        width = config.getWidth();
    043    }
    044
    045    @Override
    046    public int getHeight()
    047    {
    048        return height;
    049    }
    050
    051    @Override
    052    public int getWidth()
    053    {
    054        return width;
    055    }
    056
    057    @Override
    058    public BufferedImage createImage(String text)
    059    {
    060        return producer.createImage(text);
    061    }
    062
    063    @Override
    064    public String createText()
    065    {
    066        return producer.createText();
    067    }
    068
    069    private static Properties toProperties(Map<String, String> map)
    070    {
    071        Properties result = new Properties();
    072
    073        for (String key : map.keySet())
    074        {
    075            result.put(key, map.get(key));
    076        }
    077
    078        return result;
    079
    080    }
    081}