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java.net.FileNameMap getContentType

本文主要是介绍java.net.FileNameMap getContentType,对大家解决编程问题具有一定的参考价值,需要的程序猿们随着小编来一起学习吧!
import java.net.FileNameMap;
import java.net.URLConnection;

public class Main {
	/**
	 * A static reference to a file name map. When loaded, this class will atempt to
	 * use the sun.net.www.MimeTable to load a filename map. If that class isn't
	 * available a default filename map, consisting of the most common types, will
	 * be created.
	 */
	protected static FileNameMap fileNameMap = URLConnection.getFileNameMap();;

	/**
	 * Gets the content type for the specified file. This method uses the static
	 * FileNameMap member (@see #fileNameMap) to get the conten type for a certain
	 * file. If no type could be found, "application/octet-stream" will be returned.
	 * <br>
	 * <br>
	 * Subclasses can override this method to provide a better implementation.
	 * 
	 * @param file the name of the file to get the contenttype for.
	 * 
	 * @return the content type.
	 */
	public static String getContentType(String file) {
		String foundContentType = null;
		file = file.trim();

		if (fileNameMap != null)
			foundContentType = fileNameMap.getContentTypeFor(file);

		if (foundContentType != null)
			return foundContentType;
		else
			return "application/octet-stream";
	}

	public static void main(String[] args) {

		System.out.println(
				getContentType("C:\\Users\\Administrator\\eclipse-workspace\\JavaHTTPServer\\webroot\\index.html"));
		System.out.println(
				getContentType("C:\\Users\\Administrator\\eclipse-workspace\\JavaHTTPServer\\webroot\\Sunset.jpg"));
	}
}

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