au.org.ala.delta.translation.intkey.IntkeyImageWriter.java Source code

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Here is the source code for au.org.ala.delta.translation.intkey.IntkeyImageWriter.java

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/*******************************************************************************
 * Copyright (C) 2011 Atlas of Living Australia
 * All Rights Reserved.
 * 
 * The contents of this file are subject to the Mozilla Public
 * License Version 1.1 (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.mozilla.org/MPL/
 * 
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 ******************************************************************************/
package au.org.ala.delta.translation.intkey;

import java.util.List;

import org.apache.commons.lang.StringUtils;

import au.org.ala.delta.model.Illustratable;
import au.org.ala.delta.model.image.Image;
import au.org.ala.delta.model.image.ImageInfo;
import au.org.ala.delta.translation.delta.DeltaWriter;
import au.org.ala.delta.translation.delta.ImageOverlayWriter;

public class IntkeyImageWriter {

    public String imagesToString(List<Image> images, Illustratable subject) {
        String imageData = "";
        if (!images.isEmpty()) {

            StringBuilder buffer = new StringBuilder();

            for (Image image : images) {
                if (buffer.length() > 0) {
                    buffer.append(" ");
                }
                buffer.append(image.getFileName());
                StringBuilder overlayTextBuilder = new StringBuilder();
                ImageOverlayWriter overlayWriter = createOverlayWriter(overlayTextBuilder);
                overlayWriter.writeOverlays(image.getOverlays(), 0, subject);
                String overlayText = overlayTextBuilder.toString().replaceAll("\\s+", " ").trim();
                if (StringUtils.isNotEmpty(overlayText)) {
                    buffer.append(" ");
                    buffer.append(overlayText);
                }
            }
            imageData = buffer.toString();
        }
        return imageData;
    }

    public String imagesToString(List<ImageInfo> images) {
        StringBuilder buffer = new StringBuilder();
        ImageOverlayWriter overlayWriter = createOverlayWriter(buffer);
        for (ImageInfo image : images) {
            if (buffer.length() > 0) {
                buffer.append(" ");
            }
            buffer.append(image.getFileName()).append(" ");
            overlayWriter.writeOverlays(image.getOverlays(), 0, null);
        }
        return buffer.toString().replace("\\s", " ");
    }

    private ImageOverlayWriter createOverlayWriter(StringBuilder buffer) {
        DeltaWriter writer = new DeltaWriter(buffer);
        return new ImageOverlayWriter(writer);
    }
}