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1   /*******************************************************************************
2    * Copyright 2012 pw999
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 net.sf.oqt.model;
17  
18  import java.io.Serializable;
19  
20  public enum QueryType implements Serializable {
21      SELECT, INSERT, UPDATE, DELETE;
22  
23      public static QueryType getTypeFromJPQL(final String jpql) {
24          if (jpql.toLowerCase().startsWith("select")) {
25              return SELECT;
26          }
27          if (jpql.toLowerCase().startsWith("insert")) {
28              return INSERT;
29          }
30          if (jpql.toLowerCase().startsWith("update")) {
31              return UPDATE;
32          }
33          if (jpql.toLowerCase().startsWith("delete")) {
34              return DELETE;
35          }
36          throw new IllegalArgumentException("unknown query type: " + (jpql.length() < 50 ? jpql : jpql.subSequence(0, 49)));
37      }
38  }