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 com.cloud.ucs.manager;
  
  import java.util.Map;
  import java.util.regex.Matcher;
  import java.util.regex.Pattern;
  
  public class StringTemplate {
      public static String replaceTokens(String text, Map<String, String> replacements) {
          Pattern pattern = Pattern.compile("\\[(.+?)\\]");
          Matcher matcher = pattern.matcher(text);
          StringBuffer buffer = new StringBuffer();
          while (matcher.find()) {
              String replacement = replacements.get(matcher.group(1));
              if (replacement != null) {
                  matcher.appendReplacement(buffer, "");
                  buffer.append(replacement);
              }
          }
          matcher.appendTail(buffer);
          return buffer.toString();
      }
  }
  