| /* |
| * 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.felix.connect.felix.framework.util; |
| |
| import org.osgi.framework.Version; |
| |
| public class VersionRange |
| { |
| private final Version m_floor; |
| private final boolean m_isFloorInclusive; |
| private final Version m_ceiling; |
| private final boolean m_isCeilingInclusive; |
| public static final VersionRange infiniteRange = new VersionRange( |
| Version.emptyVersion, true, null, true); |
| |
| public VersionRange(Version low, boolean isLowInclusive, Version high, |
| boolean isHighInclusive) |
| { |
| m_floor = low; |
| m_isFloorInclusive = isLowInclusive; |
| m_ceiling = high; |
| m_isCeilingInclusive = isHighInclusive; |
| } |
| |
| public Version getFloor() |
| { |
| return m_floor; |
| } |
| |
| public boolean isFloorInclusive() |
| { |
| return m_isFloorInclusive; |
| } |
| |
| public Version getCeiling() |
| { |
| return m_ceiling; |
| } |
| |
| public boolean isCeilingInclusive() |
| { |
| return m_isCeilingInclusive; |
| } |
| |
| public boolean isInRange(Version version) |
| { |
| // We might not have an upper end to the range. |
| if (m_ceiling == null) |
| { |
| return (version.compareTo(m_floor) >= 0); |
| } |
| else if (isFloorInclusive() && isCeilingInclusive()) |
| { |
| return (version.compareTo(m_floor) >= 0) |
| && (version.compareTo(m_ceiling) <= 0); |
| } |
| else if (isCeilingInclusive()) |
| { |
| return (version.compareTo(m_floor) > 0) |
| && (version.compareTo(m_ceiling) <= 0); |
| } |
| else if (isFloorInclusive()) |
| { |
| return (version.compareTo(m_floor) >= 0) |
| && (version.compareTo(m_ceiling) < 0); |
| } |
| return (version.compareTo(m_floor) > 0) |
| && (version.compareTo(m_ceiling) < 0); |
| } |
| |
| public static VersionRange parse(String range) |
| { |
| // Check if the version is an interval. |
| if (range.indexOf(',') >= 0) |
| { |
| String s = range.substring(1, range.length() - 1); |
| String vlo = s.substring(0, s.indexOf(',')).trim(); |
| String vhi = s.substring(s.indexOf(',') + 1, s.length()).trim(); |
| return new VersionRange(new Version(vlo), (range.charAt(0) == '['), |
| new Version(vhi), (range.charAt(range.length() - 1) == ']')); |
| } |
| else |
| { |
| return new VersionRange(new Version(range), true, null, false); |
| } |
| } |
| |
| public boolean equals(Object obj) |
| { |
| if (obj == null) |
| { |
| return false; |
| } |
| if (getClass() != obj.getClass()) |
| { |
| return false; |
| } |
| final VersionRange other = (VersionRange) obj; |
| if (m_floor != other.m_floor |
| && (m_floor == null || !m_floor.equals(other.m_floor))) |
| { |
| return false; |
| } |
| if (m_isFloorInclusive != other.m_isFloorInclusive) |
| { |
| return false; |
| } |
| if (m_ceiling != other.m_ceiling |
| && (m_ceiling == null || !m_ceiling.equals(other.m_ceiling))) |
| { |
| return false; |
| } |
| if (m_isCeilingInclusive != other.m_isCeilingInclusive) |
| { |
| return false; |
| } |
| return true; |
| } |
| |
| public int hashCode() |
| { |
| int hash = 5; |
| hash = 97 * hash + (m_floor != null ? m_floor.hashCode() : 0); |
| hash = 97 * hash + (m_isFloorInclusive ? 1 : 0); |
| hash = 97 * hash + (m_ceiling != null ? m_ceiling.hashCode() : 0); |
| hash = 97 * hash + (m_isCeilingInclusive ? 1 : 0); |
| return hash; |
| } |
| |
| public String toString() |
| { |
| if (m_ceiling != null) |
| { |
| StringBuffer sb = new StringBuffer(); |
| sb.append(m_isFloorInclusive ? '[' : '('); |
| sb.append(m_floor.toString()); |
| sb.append(','); |
| sb.append(m_ceiling.toString()); |
| sb.append(m_isCeilingInclusive ? ']' : ')'); |
| return sb.toString(); |
| } |
| else |
| { |
| return m_floor.toString(); |
| } |
| } |
| } |