1 /*
2 * Copyright 2018 SPF4J.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
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 package org.spf4j.test.log;
17
18 import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
19 import org.spf4j.log.Level;
20
21 /**
22 * A Greedy log printer.
23 * will print all logs above a log level, BUT will mark printed logs as PRINTED or NO_NOT_PRINT otherwise,
24 * as such downstream printers will not print them.
25 *
26 * @author Zoltan Farkas
27 */
28 public final class GreedyLogPrinter implements LogHandler {
29
30 private final LogPrinter handler;
31
32 public GreedyLogPrinter(final LogPrinter handler) {
33 this.handler = handler;
34 }
35
36 @Override
37 public Handling handles(final Level level) {
38 return Handling.HANDLE_PASS;
39 }
40
41 @Override
42 @SuppressFBWarnings("CFS_CONFUSING_FUNCTION_SEMANTICS")
43 public TestLogRecord handle(final TestLogRecord record) {
44 if (handler.handles(record.getLevel()) != Handling.NONE) {
45 return handler.handle(record);
46 }
47 record.attach(Attachments.DO_NOT_PRINT);
48 return record;
49 }
50
51 @Override
52 public String toString() {
53 return "GreedyLogPrinter{" + "handler=" + handler + '}';
54 }
55
56 }