01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one
03: * or more contributor license agreements. See the NOTICE file
04: * distributed with this work for additional information
05: * regarding copyright ownership. The ASF licenses this file
06: * to you under the Apache License, Version 2.0 (the
07: * "License"); you may not use this file except in compliance
08: * with the License. You may obtain a copy of the License at
09: *
10: * http://www.apache.org/licenses/LICENSE-2.0
11: *
12: * Unless required by applicable law or agreed to in writing,
13: * software distributed under the License is distributed on an
14: * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15: * KIND, either express or implied. See the License for the
16: * specific language governing permissions and limitations
17: * under the License.
18: */
19:
20: package org.apache.openejb.util;
21:
22: import org.apache.openejb.util.LinkResolver;
23:
24: import java.net.URI;
25:
26: /**
27: * @version $Rev: 604326 $ $Date: 2007-12-14 15:00:20 -0800 $
28: */
29: public class UniqueDefaultLinkResolver<E> extends LinkResolver<E> {
30:
31: public E resolveLink(String link, URI moduleUri) {
32: //jpa anyway has a default matching rule
33: if (link == null || link.length() == 0) {
34: return getUniqueMember();
35: }
36: return super.resolveLink(link, moduleUri);
37: }
38:
39: }
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