Util


1   /* 
2    * Copyright 2004-2005 OpenSymphony 
3    * 
4    * Licensed under the Apache License, Version 2.0 (the "License"); you may not 
5    * use this file except in compliance with the License. You may obtain a copy 
6    * 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, WITHOUT 
12   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 
13   * License for the specific language governing permissions and limitations 
14   * under the License.
15   * 
16   */
17  
18  /*
19   * Previously Copyright (c) 2001-2004 James House
20   */
21  package org.quartz.impl.jdbcjobstore;
22  
23  import java.text.MessageFormat  ;
24  
25  /**
26   * <p>
27   * This class contains utility functions for use in all delegate classes.
28   * </p>
29   * 
30   * @author <a HREF="mailto:jeff@binaryfeed.org">Jeffrey Wescott</a>
31   */
32  public final class Util {
33  
34      /**
35       * Private constructor because this is a pure utility class.
36       */
37      private Util() {
38      }
39      
40      /*
41       * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
42       * 
43       * Interface.
44       * 
45       * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
46       */
47  
48      /**
49       * <p>
50       * Replace the table prefix in a query by replacing any occurrences of
51       * "{0}" with the table prefix.
52       * </p>
53       * 
54       * @param query
55       *          the unsubstitued query
56       * @param tablePrefix
57       *          the table prefix
58       * @return the query, with proper table prefix substituted
59       */
60      public static String   rtp(String   query, String   tablePrefix) {
61          return MessageFormat.format(query, new Object  []{tablePrefix});
62      }
63  
64      /**
65       * <p>
66       * Obtain a unique key for a given job.
67       * </p>
68       * 
69       * @param jobName
70       *          the job name
71       * @param groupName
72       *          the group containing the job
73       * @return a unique <code>String</code> key
74       */
75      static String   getJobNameKey(String   jobName, String   groupName) {
76          return (groupName + "_$x$x$_" + jobName).intern();
77      }
78  
79      /**
80       * <p>
81       * Obtain a unique key for a given trigger.
82       * </p>
83       * 
84       * @param triggerName
85       *          the trigger name
86       * @param groupName
87       *          the group containing the trigger
88       * @return a unique <code>String</code> key
89       */
90      static String   getTriggerNameKey(String   triggerName, String   groupName) {
91          return (groupName + "_$x$x$_" + triggerName).intern();
92      }
93  }
94  
95  // EOF
96
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