content: /*
   * 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.
   */
  package org.apache.activemq.artemis.tests.integration.stomp.util;
  
  public class StompFrameFactoryV12 extends StompFrameFactoryV11 {
  
     @Override
     public String[] handleHeaders(String header) {
        // split the header into the key and value at the ":" since there shouldn't be any unescaped colons in the header
        // except for the one separating the key and value
        String[] result = header.split(":");
  
        for (int j = 0; j < result.length; j++) {
           StringBuilder decodedHeader = new StringBuilder();
           boolean isEsc = false;
  
           for (int i = 0; i < result[j].length(); i++) {
              char b = result[j].charAt(i);
  
              switch (b) {
                 //escaping
                 case '\\': {
                    if (isEsc) {
                       //this is a backslash
                       decodedHeader.append(b);
                       isEsc = false;
                    } else {
                       //begin escaping
                       isEsc = true;
                    }
                    break;
                 }
                 case 'c': {
                    if (isEsc) {
                       decodedHeader.append(":");
                       isEsc = false;
                    } else {
                       decodedHeader.append(b);
                    }
                    break;
                 }
                 case 'n': {
                    if (isEsc) {
                       decodedHeader.append('\n');
                       isEsc = false;
                    } else {
                       decodedHeader.append(b);
                    }
                    break;
                 }
                 case 'r': {
                    if (isEsc) {
                       decodedHeader.append('\r');
                       isEsc = false;
                    } else {
                       decodedHeader.append(b);
                    }
                    break;
                 }
                 default: {
                    decodedHeader.append(b);
                 }
              }
           }
  
           result[j] = decodedHeader.toString();
        }
  
        return result;
     }
  
     @Override
     public ClientStompFrame newFrame(String command) {
        return new ClientStompFrameV12(command);
     }
  
     @Override
     public ClientStompFrame newAnyFrame(String command) {
        return new ClientStompFrameV12(command, true, false);
     }
  
  }
  