Java tutorial
//package com.java2s; /**************************************************************** * Licensed to the Apache Software Foundation (ASF) under one * * or more contributor license agreements. See the NOTICE file * * distributed with this work for additional information * * regarding copyright ownership. The ASF licenses this file * * to you under the Apache License, Version 2.0 (the * * "License"); you may not use this file except in compliance * * with the License. You may obtain a copy of the License at * * * * http://www.apache.org/licenses/LICENSE-2.0 * * * * Unless required by applicable law or agreed to in writing, * * software distributed under the License is distributed on an * * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * * KIND, either express or implied. See the License for the * * specific language governing permissions and limitations * * under the License. * ****************************************************************/ import java.security.Signature; import java.security.SignatureException; public class Main { protected static boolean deepDebug; protected static void updateSignature(final Signature signature, final boolean relaxed, final boolean ischeduleRelaxed, final CharSequence header, final String fv) throws SignatureException { if (relaxed | ischeduleRelaxed) { if (deepDebug) { trace("#" + header.toString().toLowerCase() + ":-"); } signature.update(header.toString().toLowerCase().getBytes()); signature.update(":".getBytes()); String headerValue = fv.substring(fv.indexOf(':') + 1); headerValue = headerValue.replaceAll("\r\n[\t ]", " "); headerValue = headerValue.replaceAll("[\t ]+", " "); if (ischeduleRelaxed) { headerValue = headerValue.replaceAll(" , ", ","); } headerValue = headerValue.trim(); signature.update(headerValue.getBytes()); if (deepDebug) { trace("#" + headerValue + "#"); } } else { signature.update(fv.getBytes()); if (deepDebug) { trace("#" + fv + "#"); } } } protected static void trace(final String msg) { // getLogger().trace(msg); System.out.println(msg); } }