jodd-props/src/main/java/jodd/props/Props.java
public Props load(final File file) throws IOException {
		final String extension = FileNameUtil.getExtension(file.getAbsolutePath());
		final String data;
		if (extension.equalsIgnoreCase("properties")) {
			data = FileUtil.readString(file, StringPool.ISO_8859_1);
		} else {
			data = FileUtil.readString(file);
		}
		parse(data);
		return this;
	}
public Props load(final File file) throws IOException {
		final String extension = FileNameUtil.getExtension(file.getAbsolutePath());
		final String data;
		if (extension.equalsIgnoreCase("properties")) {
			data = FileUtil.readString(file, StringPool.ISO_8859_1);
		} else {
			data = FileUtil.readString(file);
		}
		parse(data);
		return this;
	}
Loads props from the file. Assumes UTF8 encoding unless
the file ends with '.properties', than it uses ISO 8859-1.