    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
    015    package org.apache.tapestry5.kaptcha.internal.services;
    016
    017    import com.google.code.kaptcha.impl.DefaultKaptcha;
    018    import com.google.code.kaptcha.util.Config;
    019    import org.apache.tapestry5.kaptcha.services.KaptchaProducer;
    020
    021    import java.awt.image.BufferedImage;
    022    import java.util.Map;
    023    import java.util.Properties;
    024
    025    public 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        public int getHeight()
    046        {
    047            return height;
    048        }
    049
    050        public int getWidth()
    051        {
    052            return width;
    053        }
    054
    055        public BufferedImage createImage(String text)
    056        {
    057            return producer.createImage(text);
    058        }
    059
    060        public String createText()
    061        {
    062            return producer.createText();
    063        }
    064
    065        private static Properties toProperties(Map<String, String> map)
    066        {
    067            Properties result = new Properties();
    068
    069            for (String key : map.keySet())
    070            {
    071                result.put(key, map.get(key));
    072            }
    073
    074            return result;
    075
    076        }
    077    }