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1   /*
2    * Copyright (c) 2003, Henri Yandell
3    * All rights reserved.
4    * 
5    * Redistribution and use in source and binary forms, with or 
6    * without modification, are permitted provided that the 
7    * following conditions are met:
8    * 
9    * + Redistributions of source code must retain the above copyright notice, 
10   *   this list of conditions and the following disclaimer.
11   * 
12   * + Redistributions in binary form must reproduce the above copyright notice, 
13   *   this list of conditions and the following disclaimer in the documentation 
14   *   and/or other materials provided with the distribution.
15   * 
16   * + Neither the name of Simple-JNDI nor the names of its contributors 
17   *   may be used to endorse or promote products derived from this software 
18   *   without specific prior written permission.
19   * 
20   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
21   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
22   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
23   * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
24   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
25   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
26   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
27   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
28   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
29   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
30   * POSSIBILITY OF SUCH DAMAGE.
31   */
32  
33  package org.osjava.sj.loader.util;
34  
35  import java.io.BufferedReader;
36  import java.io.IOException;
37  import java.io.InputStream;
38  import java.io.InputStreamReader;
39  
40  
41  public class CustomProperties extends AbstractProperties {
42  
43      public synchronized void load(InputStream in) throws IOException {
44          try {
45              BufferedReader reader = new BufferedReader( new InputStreamReader(in) );
46              String line = "";
47              String nextLine = null;
48              while( (line = reader.readLine()) != null) {
49  
50                  // we may already be on a multi-line statement.
51                  if(nextLine != null) {
52                      line = nextLine + line;
53                      nextLine = null;
54                  }
55  
56                  line = line.trim();
57                  if(line.endsWith("//")) {
58                      nextLine = line;
59                      continue;
60                  }
61  
62                  int idx = line.indexOf('#');
63                  // remove comment
64                  if(idx != -1) {
65                      line = line.substring(0,idx);
66                  }
67                  // split equals sign
68                  idx = line.indexOf('=');
69                  if(idx != -1) {
70                      this.setProperty(line.substring(0,idx), line.substring(idx+1));
71                  } else {
72                      // blank line, or just a bad line
73                      // we ignore it
74                  }
75              }
76              reader.close();
77          } catch(IOException ioe) {
78              ioe.printStackTrace();
79          }
80      }
81  
82  }