|
1
20
21 package fr.dyade.aaa.util;
22
23 import java.io.*;
24 import java.util.Hashtable  ;
25
26 public class SimplePropertiesReader {
27 private Hashtable propertiesTable;
28 private File file;
29
30 public SimplePropertiesReader(File file) {
31 this.file = file;
32 propertiesTable = new Hashtable ();
33 putProperties();
34 }
35
36 public SimplePropertiesReader(String file) {
37 this.file = new File(file);
38 propertiesTable = new Hashtable ();
39 putProperties();
40 }
41
42 private String buildString(String line, int index) {
43 StringBuffer buf = new StringBuffer ();
44 StringBuffer fbuf = new StringBuffer ();
45 for (int i=index; i<line.length(); i++) {
46 char c = line.charAt(i);
47 if (c=='\\') buf.append('\\');
48 buf.append(c);
49 }
50 for (int i=0; i<buf.length(); i++) {
51 char c = buf.charAt(i);
52 if (c==' ' || c=='\t') continue;
53 for (int j=i;j<buf.length();j++)
54 fbuf.append(buf.charAt(j));
55 break;
56 }
57 return fbuf.toString();
58 }
59
60 private void putProperties() {
61 if (file.exists()) {
62 try {
63 FileInputStream fileInputStream = new FileInputStream(file);
64 BufferedReader in = new BufferedReader(new InputStreamReader(fileInputStream));
65 while (true) {
66 String line = in.readLine();
68 if (line == null) {
69 fileInputStream.close();
70 return;
71 }
72
73 if (line.length() > 0) {
74 char firstChar = line.charAt(0);
75 if (firstChar == '#') continue;
76 int i = line.indexOf(' ');
77 if (i<0) {
78 i = line.indexOf('\t');
79 if (i<0) continue;
80 }
81 String propName = line.substring(0,i);
82 String propValue = buildString(line,i);
83 try {
84 propertiesTable.put(propName,propValue);
85 } catch (NullPointerException e) {}
86 }
87 }
88 } catch (IOException e) {
89 e.printStackTrace();
90 }
91 }
92 }
93
94 public String getProperty(String prop) {
95 return (String ) propertiesTable.get(prop);
96 }
97
98 public String toString() {
99 return propertiesTable.toString();
100 }
101 }
102 |
Popular Tags |
Java API By Example, From Geeks To Geeks.