| /* |
| * Copyright 2005 The Apache Software Foundation |
| * |
| * 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. |
| * |
| */ |
| package org.apache.felix.bundlerepository.impl; |
| |
| import java.util.StringTokenizer; |
| |
| import org.apache.felix.bundlerepository.IVersion; |
| |
| public class R4Version implements Comparable, IVersion |
| { |
| private int m_major = 0; |
| private int m_minor = 0; |
| private int m_micro = 0; |
| private String m_qualifier = ""; |
| private boolean m_isInclusive = true; |
| |
| private static final String SEPARATOR = "."; |
| |
| public R4Version(String versionString) |
| { |
| this(versionString, true); |
| } |
| |
| public R4Version(String versionString, boolean isInclusive) |
| { |
| if (versionString == null) |
| { |
| versionString = "0.0.0"; |
| } |
| Object[] objs = parseVersion(versionString); |
| m_major = ((Integer) objs[0]).intValue(); |
| m_minor = ((Integer) objs[1]).intValue(); |
| m_micro = ((Integer) objs[2]).intValue(); |
| m_qualifier = (String) objs[3]; |
| m_isInclusive = isInclusive; |
| } |
| |
| private static Object[] parseVersion(String versionString) |
| { |
| String s = versionString.trim(); |
| Object[] objs = new Object[4]; |
| objs[0] = objs[1] = objs[2] = new Integer(0); |
| objs[3] = ""; |
| StringTokenizer tok = new StringTokenizer(s, SEPARATOR); |
| try |
| { |
| objs[0] = Integer.valueOf(tok.nextToken()); |
| if (tok.hasMoreTokens()) |
| { |
| objs[1] = Integer.valueOf(tok.nextToken()); |
| if (tok.hasMoreTokens()) |
| { |
| objs[2] = Integer.valueOf(tok.nextToken()); |
| if (tok.hasMoreTokens()) |
| { |
| objs[3] = tok.nextToken(); |
| } |
| } |
| } |
| } |
| catch (NumberFormatException ex) |
| { |
| throw new IllegalArgumentException("Invalid version: " + versionString); |
| } |
| |
| if ((((Integer) objs[0]).intValue() < 0) || |
| (((Integer) objs[0]).intValue() < 0) || |
| (((Integer) objs[0]).intValue() < 0)) |
| { |
| throw new IllegalArgumentException("Invalid version: " + versionString); |
| } |
| |
| return objs; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.ungoverned.osgi.service.impl.Version#equals(java.lang.Object) |
| **/ |
| public boolean equals(Object object) |
| { |
| if (!(object instanceof R4Version)) |
| { |
| return false; |
| } |
| IVersion v = (IVersion) object; |
| return |
| (v.getMajorComponent() == m_major) && |
| (v.getMinorComponent() == m_minor) && |
| (v.getMicroComponent() == m_micro) && |
| (v.getQualifierComponent().equals(m_qualifier)); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.ungoverned.osgi.service.impl.Version#getMajorComponent() |
| **/ |
| public int getMajorComponent() |
| { |
| return m_major; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.ungoverned.osgi.service.impl.Version#getMinorComponent() |
| **/ |
| public int getMinorComponent() |
| { |
| return m_minor; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.ungoverned.osgi.service.impl.Version#getMicroComponent() |
| **/ |
| public int getMicroComponent() |
| { |
| return m_micro; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.ungoverned.osgi.service.impl.Version#getQualifierComponent() |
| **/ |
| public String getQualifierComponent() |
| { |
| return m_qualifier; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.ungoverned.osgi.service.impl.Version#isInclusive() |
| **/ |
| public boolean isInclusive() |
| { |
| return m_isInclusive; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.ungoverned.osgi.service.impl.Version#compareTo(java.lang.Object) |
| **/ |
| public int compareTo(Object o) |
| { |
| if (!(o instanceof R4Version)) |
| throw new ClassCastException(); |
| |
| if (equals(o)) |
| return 0; |
| |
| if (isGreaterThan((IVersion) o)) |
| return 1; |
| |
| return -1; |
| } |
| |
| private boolean isGreaterThan(IVersion v) |
| { |
| if (v == null) |
| { |
| return false; |
| } |
| |
| if (m_major > v.getMajorComponent()) |
| { |
| return true; |
| } |
| if (m_major < v.getMajorComponent()) |
| { |
| return false; |
| } |
| if (m_minor > v.getMinorComponent()) |
| { |
| return true; |
| } |
| if (m_minor < v.getMinorComponent()) |
| { |
| return false; |
| } |
| if (m_micro > v.getMicroComponent()) |
| { |
| return true; |
| } |
| if (m_micro < v.getMicroComponent()) |
| { |
| return false; |
| } |
| if (m_qualifier.compareTo(v.getQualifierComponent()) > 0) |
| { |
| return true; |
| } |
| else |
| { |
| return false; |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.ungoverned.osgi.service.impl.Version#toString() |
| **/ |
| public String toString() |
| { |
| if (m_qualifier.length() == 0) |
| { |
| return m_major + "." + m_minor + "." + m_micro; |
| } |
| return m_major + "." + m_minor + "." + m_micro + "." + m_qualifier; |
| } |
| } |