01: /*
02: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
03: *
04: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
05: *
06: * The contents of this file are subject to the terms of either the GNU General
07: * Public License Version 2 only ("GPL") or the Common Development and Distribution
08: * License("CDDL") (collectively, the "License"). You may not use this file except in
09: * compliance with the License. You can obtain a copy of the License at
10: * http://www.netbeans.org/cddl-gplv2.html or nbbuild/licenses/CDDL-GPL-2-CP. See the
11: * License for the specific language governing permissions and limitations under the
12: * License. When distributing the software, include this License Header Notice in
13: * each file and include the License file at nbbuild/licenses/CDDL-GPL-2-CP. Sun
14: * designates this particular file as subject to the "Classpath" exception as
15: * provided by Sun in the GPL Version 2 section of the License file that
16: * accompanied this code. If applicable, add the following below the License Header,
17: * with the fields enclosed by brackets [] replaced by your own identifying
18: * information: "Portions Copyrighted [year] [name of copyright owner]"
19: *
20: * Contributor(s):
21: *
22: * The Original Software is NetBeans. The Initial Developer of the Original Software
23: * is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun Microsystems, Inc. All
24: * Rights Reserved.
25: *
26: * If you wish your version of this file to be governed by only the CDDL or only the
27: * GPL Version 2, indicate your decision by adding "[Contributor] elects to include
28: * this software in this distribution under the [CDDL or GPL Version 2] license." If
29: * you do not indicate a single choice of license, a recipient has the option to
30: * distribute your version of this file under either the CDDL, the GPL Version 2 or
31: * to extend the choice of license to its licensees as provided above. However, if
32: * you add GPL Version 2 code and therefore, elected the GPL Version 2 license, then
33: * the option applies only if the new code is made subject to such option by the
34: * copyright holder.
35: */
36:
37: package org.netbeans.installer.product.dependencies;
38:
39: import java.util.ArrayList;
40: import java.util.List;
41: import org.netbeans.installer.product.components.Product;
42: import org.netbeans.installer.utils.helper.Dependency;
43: import org.netbeans.installer.utils.helper.Version;
44:
45: /**
46: *
47: * @author Dmitry Lipin
48: */
49: public class Requirement extends Dependency {
50: public static final String NAME = "requirement"; //NOI18N
51: private List<List<Requirement>> alternatives;
52:
53: public Requirement(final String uid, final Version versionLower,
54: final Version versionUpper, final Version versionResolved) {
55: this (uid, versionLower, versionUpper, versionResolved,
56: new ArrayList<List<Requirement>>());
57: }
58:
59: public Requirement(final String uid, final Version versionLower,
60: final Version versionUpper, final Version versionResolved,
61: final List<List<Requirement>> altRequirements) {
62: super (uid, versionLower, versionUpper, versionResolved);
63: alternatives = new ArrayList<List<Requirement>>(altRequirements);
64: }
65:
66: public String getName() {
67: return NAME;
68: }
69:
70: public boolean satisfies(Product product) {
71: if (getVersionResolved() != null) {
72: return product.getUid().equals(getUid())
73: && product.getVersion()
74: .equals(getVersionResolved());
75:
76: }
77:
78: // if the requirement is not resolved, we check uid equality and
79: // upper/lower version compatibility
80: return product.getUid().equals(getUid())
81: && product.getVersion()
82: .newerOrEquals(getVersionLower())
83: && product.getVersion()
84: .olderOrEquals(getVersionUpper());
85: }
86:
87: public List<List<Requirement>> getAlternatives() {
88: return alternatives;
89: }
90:
91: }
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