application.ui.preview.FileDetailsCatalog Maven / Gradle / Ivy

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package application.ui.preview;

import java.util.Collections;
import java.util.Map;

import org.daisy.streamline.api.media.FileDetails;

public class FileDetailsCatalog {
	public static final FileDetails PEF_FORMAT = new FileDetails(){
		@Override
		public String getFormatName() {
			return "pef";
		}

		@Override
		public String getExtension() {
			return "pef";
		}

		@Override
		public String getMediaType() {
			return "application/x-pef+xml";
		}

		@Override
		public Map getProperties() {
			return Collections.emptyMap();
		}};
		
	public static final FileDetails HTML_FORMAT = new FileDetails(){
		@Override
		public String getFormatName() {
			return "html";
		}

		@Override
		public String getExtension() {
			return "html";
		}

		@Override
		public String getMediaType() {
			return "text/html";
		}

		@Override
		public Map getProperties() {
			return Collections.emptyMap();
		}};


	private FileDetailsCatalog() {
		throw new AssertionError("No instances allowed.");
	}
	
	public static FileDetails forMediaType(String mediaType) {
		if (mediaType.equals(PEF_FORMAT.getMediaType())) {
			return PEF_FORMAT;
		} else if (mediaType.equals(HTML_FORMAT.getMediaType())) {
			return HTML_FORMAT;
		} else {
			return new MediaTypeDetails(mediaType);
		}
	}
	
	private static class MediaTypeDetails implements FileDetails {
		private final String mediaType;
		
		private MediaTypeDetails(String mediaType) {
			this.mediaType = mediaType;
		}

		@Override
		public String getFormatName() {
			return null;
		}

		@Override
		public String getExtension() {
			return null;
		}

		@Override
		public String getMediaType() {
			return mediaType;
		}

		@Override
		public Map getProperties() {
			return Collections.emptyMap();
		}
		
	}
}