1 /*
2 * Licensed under the Apache License, Version 2.0 (the "License");
3 * you may not use this file except in compliance with the License.
4 * You may obtain a copy of the License at
5 *
6 * http://www.apache.org/licenses/LICENSE-2.0
7 *
8 * Unless required by applicable law or agreed to in writing, software
9 * distributed under the License is distributed on an "AS IS" BASIS,
10 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
11 * See the License for the specific language governing permissions and
12 * limitations under the License.
13 */
14
15 package org.basepom.mojo.propertyhelper;
16
17 import static com.google.common.base.Preconditions.checkNotNull;
18
19 import java.util.Locale;
20 import java.util.function.Supplier;
21
22 import com.google.common.flogger.FluentLogger;
23
24 public enum IgnoreWarnFail {
25 IGNORE, WARN, FAIL;
26
27 private static final FluentLogger LOG = FluentLogger.forEnclosingClass();
28
29 public static IgnoreWarnFail forString(final String value) {
30 checkNotNull(value, "the value can not be null");
31 return Enum.valueOf(IgnoreWarnFail.class, value.toUpperCase(Locale.getDefault()));
32 }
33
34 /**
35 * Ensure that a given element exists. If it does not exist, react based on the {@link IgnoreWarnFail} attribute:
36 * <ul>
37 * <li>IGNORE - do nothing</li>
38 * <li>WARN - warn that an element does not exist</li>
39 * <li>FAIL - throw an exception</li>
40 * </ul>
41 *
42 * @param check Should be true
43 * @param iwf What to do
44 * @return True if the thing exists, false otherwise
45 */
46 public static boolean checkIgnoreWarnFailState(final boolean check, final IgnoreWarnFail iwf,
47 final Supplier<String> checkMessage, final Supplier<String> errorMessage) {
48
49 if (check) {
50 LOG.atFine().log(checkMessage.get());
51 return true;
52 }
53
54 switch (iwf) {
55 case IGNORE:
56 LOG.atFine().log(errorMessage.get());
57 break;
58 case WARN:
59 LOG.atWarning().log(errorMessage.get());
60 break;
61 case FAIL:
62 throw new IllegalStateException(errorMessage.get());
63 default:
64 throw new IllegalStateException("Unknown state: " + iwf);
65 }
66
67 return false;
68 }
69 }