Javaの例外を文字列にする

WriteException.java

package jp.fieldnotes.gist;

import java.io.PrintWriter;
import java.io.StringWriter;

public class WriteException {

	public static String toString(Throwable t) {
		StringWriter sw = new StringWriter();
		try (PrintWriter pw = new PrintWriter(sw)) {
			t.printStackTrace(pw);
			return sw.toString();
		}

	}
}