/*
* 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.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();
}
}
}