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ConfigurationSettings xref

1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   * http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.chemistry.opencmis.inmemory;
20  
21  import java.util.Map;
22  
23  import org.apache.commons.logging.Log;
24  import org.apache.commons.logging.LogFactory;
25  
26  public class ConfigurationSettings {
27  
28      private static final Log LOG = LogFactory.getLog(ConfigurationSettings.class.getName());
29  
30      private static ConfigurationSettings singleInstance;
31  
32      final Map<String, String> parameters;
33  
34      private ConfigurationSettings(Map<String, String> parameters) {
35          this.parameters = parameters;
36      }
37  
38      private String getConfigurationValueIntern(String key) {
39          return parameters.get(key);
40      }
41  
42      public static String getConfigurationValueAsString(String key) {
43          if (null == singleInstance) {
44              LOG.error("ConfigurationSettings are not initialized. Initialize before reading values");
45              throw new RuntimeException("ConfigurationSettings are not initialized.");
46          }
47          return singleInstance.getConfigurationValueIntern(key);
48      }
49  
50      public static Long getConfigurationValueAsLong(String key) {
51          String str = getConfigurationValueAsString(key);
52          if (null != str) {
53              return Long.valueOf(str);
54          } else {
55              return null;
56          }
57      }
58  
59      public static void init(Map<String, String> parameters) {
60          singleInstance = new ConfigurationSettings(parameters);
61      }
62  
63      public static Map<String, String> getParameters() {
64          return singleInstance.parameters;
65      }
66  }