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.bifromq.sysprops.parser;
  
  public class LongParser implements PropParser<Long> {
      public static final LongParser POSITIVE = new LongParser(1, Long.MAX_VALUE);
      public static final LongParser NON_NEGATIVE = new LongParser(0, Long.MAX_VALUE);
      private final long lowBound;
      private final long highBoundEx;
  
      private LongParser(long lowBound, long highBoundEx) {
          this.lowBound = lowBound;
          this.highBoundEx = highBoundEx;
      }
  
      @Override
      public Long parse(String value) {
          long val = lowBound >= 0 ? Long.parseUnsignedLong(value) : Long.parseLong(value);
          if (lowBound <= val && val < highBoundEx) {
              return val;
          }
          throw new SysPropParseException(String.format("%d is out of bound [%d,%d)", val, lowBound, highBoundEx));
      }
  
      public static LongParser from(long lowBound, long highBoundEx) {
          assert lowBound < highBoundEx;
          return new LongParser(lowBound, highBoundEx);
      }
  }
  