1 /*
2 * Copyright 2012 the original author or authors.
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.openehealth.ipf.commons.ihe.core.payload;
17
18 import java.lang.management.ManagementFactory;
19 import java.lang.management.RuntimeMXBean;
20 import java.text.SimpleDateFormat;
21 import java.util.Date;
22
23 /**
24 * Evaluation context of expressions for payload log file names. Expression or templating engines being
25 * used should be able to call
26 *
27 * @author Dmytro Rud
28 */
29 public class PayloadLoggingContext {
30 private static final String PROCESS_ID;
31
32 static {
33 RuntimeMXBean mx = ManagementFactory.getRuntimeMXBean();
34 PROCESS_ID = mx.getName().replace("@", "-");
35 }
36
37 private final String sequenceId;
38 private final Date currentDate;
39
40 /**
41 * Initializes this context with a sequence ID
42 *
43 * @param sequenceId sequence ID
44 */
45 public PayloadLoggingContext(Long sequenceId) {
46 this.sequenceId = String.format("%012d", sequenceId);
47 this.currentDate = new Date();
48 }
49
50 /**
51 * @return the current process ID
52 */
53 public String getProcessId() {
54 return PROCESS_ID;
55 }
56
57 /**
58 * @return the sequence ID
59 */
60 public String getSequenceId() {
61 return sequenceId;
62 }
63
64 /**
65 * @param formatSpecification date format specification
66 * @return the current date/time of this context
67 * @see SimpleDateFormat
68 */
69 public String date(String formatSpecification) {
70 return new SimpleDateFormat(formatSpecification).format(currentDate);
71 }
72 }