00001 /* 00002 * Copyright (c) 2006, KNOPFLERFISH project 00003 * All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without 00006 * modification, are permitted provided that the following 00007 * conditions are met: 00008 * 00009 * - Redistributions of source code must retain the above copyright 00010 * notice, this list of conditions and the following disclaimer. 00011 * 00012 * - Redistributions in binary form must reproduce the above 00013 * copyright notice, this list of conditions and the following 00014 * disclaimer in the documentation and/or other materials 00015 * provided with the distribution. 00016 * 00017 * - Neither the name of the KNOPFLERFISH project nor the names of its 00018 * contributors may be used to endorse or promote products derived 00019 * from this software without specific prior written permission. 00020 * 00021 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00022 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00023 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 00024 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 00025 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 00026 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 00027 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 00028 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00029 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 00030 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 00031 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 00032 * OF THE POSSIBILITY OF SUCH DAMAGE. 00033 */ 00034 00035 package org.knopflerfish.framework; 00036 00037 import org.osgi.framework.*; 00038 00039 00040 class RequireBundle { 00041 00042 final BundlePackages requestor; 00043 final String name; 00044 final String visibility; 00045 final String resolution; 00046 final VersionRange bundleRange; 00047 BundlePackages bpkgs = null; 00048 00049 RequireBundle(BundlePackages requestor, String name, String visibility, 00050 String resolution, String range) { 00051 this.requestor = requestor; 00052 this.name = name; 00053 if (visibility != null) { 00054 this.visibility = visibility; 00055 // NYI warn if not a known value; 00056 } else { 00057 this.visibility = Constants.VISIBILITY_PRIVATE; 00058 } 00059 if (resolution != null) { 00060 this.resolution = resolution; 00061 } else { 00062 this.resolution = Constants.RESOLUTION_MANDATORY; 00063 // NYI warn if not a known value; 00064 } 00065 if (range != null) { 00066 this.bundleRange = new VersionRange(range); 00067 } else { 00068 this.bundleRange = VersionRange.defaultVersionRange; 00069 } 00070 } 00071 00072 00078 boolean overlap(RequireBundle rb) { 00079 if (visibility.equals(Constants.VISIBILITY_REEXPORT) && 00080 !rb.visibility.equals(Constants.VISIBILITY_REEXPORT)) { 00081 return false; 00082 } 00083 if (resolution.equals(Constants.RESOLUTION_MANDATORY) && 00084 !rb.resolution.equals(Constants.RESOLUTION_MANDATORY)) { 00085 return false; 00086 } 00087 return bundleRange.withinRange(rb.bundleRange); 00088 } 00089 00090 }