fr.ybonnel.breizhcamppdf.AvatarService.java Source code

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Here is the source code for fr.ybonnel.breizhcamppdf.AvatarService.java

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/*
 * Copyright 2013- Yan Bonnel
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package fr.ybonnel.breizhcamppdf;

import com.itextpdf.text.BadElementException;
import com.itextpdf.text.Image;

import java.io.IOException;
import java.net.URL;
import java.util.HashMap;
import java.util.Map;

public enum AvatarService {
    INSTANCE;

    private Map<String, Image> cache = new HashMap<>();

    public Image getImage(URL url) throws BadElementException, IOException {
        if (!cache.containsKey(url.toString())) {
            cache.put(url.toString(), Image.getInstance(url));
        }
        return cache.get(url.toString());
    }

    public Image getImage(String url) throws BadElementException, IOException {
        if (url == null) {
            return null;
        }
        if (!cache.containsKey(url)) {
            System.out.println(url);
            try {
                Image avatar = Image.getInstance(url);
                int height = 40;
                float factor = ((float) height) / avatar.getHeight();
                int width = (int) (avatar.getWidth() * factor);
                avatar.scaleToFit(width, height);
                cache.put(url, avatar);
            } catch (Exception ex) {

            }
        }
        return cache.get(url);
    }

}