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 * SciJava Common shared library for SciJava software.
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 * Institute of Molecular Cell Biology and Genetics, University of
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package org.scijava.text;

import java.io.File;
import java.util.List;

import org.scijava.plugin.HandlerPlugin;
import org.scijava.plugin.Plugin;
import org.scijava.util.FileUtils;

/**
 * {@code TextFormat} is a plugin that provides handling for a text markup
 * language.
 * <p>
 * Text formats discoverable at runtime must implement this interface and be
 * annotated with @{@link Plugin} with attribute {@link Plugin#type()} =
 * {@link TextFormat}.class. While it possible to create a text format merely by
 * implementing this interface, it is encouraged to instead extend
 * {@link AbstractTextFormat}, for convenience.
 * </p>
 * 
 * @author Curtis Rueden
 * @see Plugin
 * @see TextService
 */
public interface TextFormat extends HandlerPlugin<File> {

	/** Gets the list of filename extensions for text in this format. */
	List<String> getExtensions();

	/** Expresses the given text string in HTML format. */
	String asHTML(String text);

	// -- Typed methods --

	@Override
	default boolean supports(final File file) {
		for (final String ext : getExtensions()) {
			if (FileUtils.getExtension(file).equalsIgnoreCase(ext)) return true;
		}
		return false;
	}

	@Override
	default Class<File> getType() {
		return File.class;
	}

}
