1 | /* |
2 | * Copyright 2006-2008 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.springframework.batch.core.launch.support; |
17 | |
18 | import java.text.DateFormat; |
19 | import java.text.ParseException; |
20 | import java.text.SimpleDateFormat; |
21 | import java.util.Date; |
22 | import java.util.Iterator; |
23 | import java.util.Map; |
24 | import java.util.Properties; |
25 | import java.util.Map.Entry; |
26 | |
27 | import org.springframework.batch.core.JobParameters; |
28 | import org.springframework.batch.core.JobParametersBuilder; |
29 | import org.springframework.batch.core.converter.JobParametersConverter; |
30 | |
31 | /** |
32 | * @author Lucas Ward |
33 | * |
34 | */ |
35 | public class ScheduledJobParametersFactory implements JobParametersConverter { |
36 | |
37 | public static final String SCHEDULE_DATE_KEY = "schedule.date"; |
38 | |
39 | private DateFormat dateFormat = new SimpleDateFormat("yyyy/MM/dd"); |
40 | |
41 | /* |
42 | * (non-Javadoc) |
43 | * |
44 | * @see org.springframework.batch.core.runtime.JobParametersFactory#getJobParameters(java.util.Properties) |
45 | */ |
46 | public JobParameters getJobParameters(Properties props) { |
47 | |
48 | if (props == null || props.isEmpty()) { |
49 | return new JobParameters(); |
50 | } |
51 | |
52 | JobParametersBuilder propertiesBuilder = new JobParametersBuilder(); |
53 | |
54 | for (Iterator it = props.entrySet().iterator(); it.hasNext();) { |
55 | Entry entry = (Entry) it.next(); |
56 | if (entry.getKey().equals(SCHEDULE_DATE_KEY)) { |
57 | Date scheduleDate; |
58 | try { |
59 | scheduleDate = dateFormat.parse(entry.getValue().toString()); |
60 | } catch (ParseException ex) { |
61 | throw new IllegalArgumentException("Date format is invalid: [" + entry.getValue() + "]"); |
62 | } |
63 | propertiesBuilder.addDate(entry.getKey().toString(), scheduleDate); |
64 | } else { |
65 | propertiesBuilder.addString(entry.getKey().toString(), entry.getValue().toString()); |
66 | } |
67 | } |
68 | |
69 | return propertiesBuilder.toJobParameters(); |
70 | } |
71 | |
72 | /** |
73 | * Convert schedule date to Date, and assume all other parameters can be represented by their default string value. |
74 | * |
75 | * @see org.springframework.batch.core.converter.JobParametersConverter#getProperties(org.springframework.batch.core.JobParameters) |
76 | */ |
77 | public Properties getProperties(JobParameters params) { |
78 | |
79 | if (params == null || params.isEmpty()) { |
80 | return new Properties(); |
81 | } |
82 | |
83 | Map parameters = params.getParameters(); |
84 | Properties result = new Properties(); |
85 | for (Iterator iterator = parameters.entrySet().iterator(); iterator.hasNext();) { |
86 | Entry entry = (Entry) iterator.next(); |
87 | String key = (String) entry.getKey(); |
88 | if (key.equals(SCHEDULE_DATE_KEY)) { |
89 | result.setProperty(key, dateFormat.format(entry.getValue())); |
90 | } else { |
91 | result.setProperty(key, "" + entry.getValue()); |
92 | } |
93 | } |
94 | return result; |
95 | } |
96 | |
97 | /** |
98 | * Public setter for injecting a date format. |
99 | * |
100 | * @param dateFormat a {@link DateFormat}, defaults to "yyyy/MM/dd" |
101 | */ |
102 | public void setDateFormat(DateFormat dateFormat) { |
103 | this.dateFormat = dateFormat; |
104 | } |
105 | } |