01: /*
02: * Copyright 2002-2007 the original author or authors.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS,
12: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13: * See the License for the specific language governing permissions and
14: * limitations under the License.
15: */
16:
17: package org.springframework.transaction.config;
18:
19: import org.springframework.core.Conventions;
20: import org.springframework.core.JdkVersion;
21: import org.springframework.util.ClassUtils;
22:
23: /**
24: * @author Rob Harrop
25: * @author Juergen Hoeller
26: * @since 2.0
27: */
28: class TxNamespaceUtils {
29:
30: public static final String TRANSACTION_MANAGER_ATTRIBUTE = "transaction-manager";
31:
32: public static final String TRANSACTION_MANAGER_PROPERTY = Conventions
33: .attributeNameToPropertyName(TRANSACTION_MANAGER_ATTRIBUTE);
34:
35: public static final String TRANSACTION_ATTRIBUTE_SOURCE = "transactionAttributeSource";
36:
37: private static final String ANNOTATION_TRANSACTION_ATTRIBUTE_SOURCE_CLASS_NAME = "org.springframework.transaction.annotation.AnnotationTransactionAttributeSource";
38:
39: public static Class getAnnotationTransactionAttributeSourceClass() {
40: if (JdkVersion.getMajorJavaVersion() < JdkVersion.JAVA_15) {
41: throw new IllegalStateException(
42: "AnnotationTransactionAttributeSource is only available on Java 1.5 and higher");
43: }
44: try {
45: return ClassUtils.forName(
46: ANNOTATION_TRANSACTION_ATTRIBUTE_SOURCE_CLASS_NAME,
47: TxNamespaceUtils.class.getClassLoader());
48: } catch (Throwable ex) {
49: throw new IllegalStateException(
50: "Unable to load Java 1.5 dependent class ["
51: + ANNOTATION_TRANSACTION_ATTRIBUTE_SOURCE_CLASS_NAME
52: + "]", ex);
53: }
54: }
55:
56: }
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