content: package in.oneton.idea.spring.assistant.plugin.initializr.metadata.io.spring.initializr.util;
  
  
  // Code borrowed from https://github.com/spring-io/initializr/blob/master/initializr-generator
  
  /*
   * Copyright 2012-2017 the original author or authors.
   *
   * Licensed 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.
   */
  
  
  /**
   * Define a {@link Version} range. A square bracket "[" or "]" denotes an inclusive
   * end of the range and a round bracket "(" or ")" denotes an exclusive end of the
   * range. A range can also be unbounded by defining a a single {@link Version}. The
   * examples below make this clear.
   * <p>
   * <ul>
   * <li>"[1.2.0.RELEASE,1.3.0.RELEASE)" version 1.2.0 and any version after
   * this, up to, but not including, version 1.3.0.</li>
   * <li>"(2.0.0.RELEASE,3.2.0.RELEASE]" any version after 2.0.0 up to and
   * including version 3.2.0.</li>
   * <li>"1.4.5.RELEASE", version 1.4.5 and all later versions.</li>
   * </ul>
   *
   * @author Stephane Nicoll
   */
  public class VersionRange {
  
    final Version lowerVersion;
    final boolean lowerInclusive;
    final Version higherVersion;
    final boolean higherInclusive;
  
    // For Jackson
    @SuppressWarnings("unused")
    private VersionRange() {
      this(null, false, null, false);
    }
  
    protected VersionRange(Version lowerVersion, boolean lowerInclusive, Version higherVersion,
        boolean higherInclusive) {
      this.lowerVersion = lowerVersion;
      this.lowerInclusive = lowerInclusive;
      this.higherVersion = higherVersion;
      this.higherInclusive = higherInclusive;
    }
  
    public VersionRange(Version startingVersion) {
      this(startingVersion, true, null, false);
    }
  
    /**
     * Specify if the {@link Version} matches this range. Returns {@code true}
     * if the version is contained within this range, {@code false} otherwise.
     */
    public boolean match(Version version) {
      assert version != null;
      int lower = lowerVersion.compareTo(version);
      if (lower > 0) {
        return false;
      } else if (!lowerInclusive && lower == 0) {
        return false;
      }
      if (higherVersion != null) {
        int higher = higherVersion.compareTo(version);
        if (higher < 0) {
          return false;
        } else
          return higherInclusive || higher != 0;
      }
      return true;
    }
  
    public Version getLowerVersion() {
      return lowerVersion;
    }
  
    public boolean isLowerInclusive() {
      return lowerInclusive;
    }
  
    public Version getHigherVersion() {
      return higherVersion;
    }
  
    public boolean isHigherInclusive() {
      return higherInclusive;
    }
  
    @Override
    public String toString() {
      StringBuilder sb = new StringBuilder();
      if (lowerVersion != null) {
        sb.append(lowerInclusive ? ">=" : ">").append(lowerVersion);
      }
      if (higherVersion != null) {
        sb.append(" and ").append(higherInclusive ? "<=" : "<").append(higherVersion);
      }
      return sb.toString();
    }
  
    @Override
    public int hashCode() {
      final int prime = 31;
      int result = 1;
      result = prime * result + (higherInclusive ? 1231 : 1237);
      result = prime * result + ((higherVersion == null) ? 0 : higherVersion.hashCode());
      result = prime * result + (lowerInclusive ? 1231 : 1237);
      result = prime * result + ((lowerVersion == null) ? 0 : lowerVersion.hashCode());
      return result;
    }
  
    @Override
    public boolean equals(Object obj) {
      if (this == obj)
        return true;
      if (obj == null)
        return false;
      if (getClass() != obj.getClass())
        return false;
      VersionRange other = (VersionRange) obj;
      if (higherInclusive != other.higherInclusive)
        return false;
      if (higherVersion == null) {
        if (other.higherVersion != null)
          return false;
      } else if (!higherVersion.equals(other.higherVersion))
        return false;
      if (lowerInclusive != other.lowerInclusive)
        return false;
      if (lowerVersion == null) {
        return other.lowerVersion == null;
      } else
        return lowerVersion.equals(other.lowerVersion);
    }
  
  }
  