org.bibalex.gallery.model.BAGAlbum.java Source code

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Here is the source code for org.bibalex.gallery.model.BAGAlbum.java

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//   Copyright 2013 Bibliotheca Alexandrina, Wellcome Trust Library
//
//   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 org.bibalex.gallery.model;

import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;

import org.apache.commons.io.FilenameUtils;
import org.apache.commons.vfs.FileType;
import org.bibalex.gallery.exception.BAGException;
import org.bibalex.gallery.model.BAGGalleryAbstract.EnumResolutions;
import org.bibalex.gallery.storage.BAGStorage;

public class BAGAlbum {

    private final BAGGalleryAbstract gallery;
    private final String name;
    private final LinkedList<BAGThumbnail> thumbnails;
    private final HashMap<Integer, String> iamgeNamesByIx;
    private final HashMap<String, Integer> imageIxesByName;
    private final int imagesCount;

    public BAGAlbum(BAGGalleryAbstract gallery, String name) throws BAGException {
        super();
        this.gallery = gallery;
        this.name = name;

        this.thumbnails = new LinkedList<BAGThumbnail>();
        this.iamgeNamesByIx = new HashMap<Integer, String>();
        this.imageIxesByName = new HashMap<String, Integer>();

        String thumbsUrl = this.gallery.getAlbumHttpAccUrlStr(this.name, EnumResolutions.thumb);
        int ix = 0;
        for (String filename : BAGStorage.listChildren(thumbsUrl, FileType.FILE)) {
            String imageName = FilenameUtils.removeExtension(filename);

            String urlStr = this.gallery.getThumbLocalUrl(this.name, imageName);

            BAGThumbnail thumb = new BAGThumbnail(imageName, imageName, urlStr);

            this.thumbnails.add(thumb);

            Integer ixObj = Integer.valueOf(ix);
            this.iamgeNamesByIx.put(ixObj, imageName);
            this.imageIxesByName.put(imageName, ixObj);
            ix++;
        }

        this.imagesCount = this.thumbnails.size();
    }

    public int getImagesCount() {

        return this.imagesCount;
    }

    public int getIx(BAGImage image) throws BAGException {
        Integer ixObj = this.imageIxesByName.get(image.getName());
        if (ixObj == null) {
            throw new BAGException("No such image");
        }

        return ixObj.intValue();
    }

    public String getName() {

        return this.name;
    }

    public List<BAGThumbnail> getThumbnails() {
        return this.thumbnails;
    }

    public BAGImage openImage(int ix, int width, int height) throws BAGException {
        String imageName = this.iamgeNamesByIx.get(Integer.valueOf(ix));
        if ((imageName == null) || imageName.isEmpty()) {
            throw new BAGException("Invlid image index");
        }
        return this.openImage(imageName, width, height);
    }

    public BAGImage openImage(String imageName, int width, int height) throws BAGException {
        return new BAGImage(this.gallery, this, imageName, width, height);
    }
}