01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: *
17: */
18: package org.apache.ivy.plugins.conflict;
19:
20: import java.util.Collection;
21: import java.util.Collections;
22: import java.util.Iterator;
23:
24: import org.apache.ivy.core.resolve.IvyNode;
25: import org.apache.ivy.plugins.version.VersionMatcher;
26:
27: public class StrictConflictManager extends AbstractConflictManager {
28:
29: public StrictConflictManager() {
30: }
31:
32: public Collection resolveConflicts(IvyNode parent,
33: Collection conflicts) {
34: VersionMatcher versionMatcher = getSettings()
35: .getVersionMatcher();
36:
37: IvyNode lastNode = null;
38: for (Iterator iter = conflicts.iterator(); iter.hasNext();) {
39: IvyNode node = (IvyNode) iter.next();
40:
41: if (versionMatcher.isDynamic(node.getResolvedId())) {
42: // dynamic revision, not enough information to resolve conflict
43: return null;
44: }
45:
46: if (lastNode != null && !lastNode.equals(node)) {
47: throw new StrictConflictException(lastNode, node);
48: }
49: lastNode = node;
50: }
51:
52: return Collections.singleton(lastNode);
53: }
54:
55: }
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