/*
* Copyright (c) 2002 Stefan Matthias Aust. All Rights Reserved.
*
* You are granted the right to use this code in a) GPL based projects in
* which case this code shall be also protected by the GPL, or b) in other
* projects as long as you make all modifications or extensions to this
* code freely available, or c) make any other special agreement with the
* copyright holder.
*/
import java.io.*;
import java.util.*;
/**
* This class can read properties files in Microsoft .ini file style and provides
* an interface to read string, integer and boolean values. The .ini files has the
* following structure:
* <pre>; a comment
* [section]
* key=value</pre>
*
* @author Stefan Matthias Aust (sma@3plus4.de)
* @version 1
*/
public class IniReader {
private Map sections = new HashMap();
public IniReader(String pathname) throws FileNotFoundException, IOException {
this(new FileReader(pathname));
}
public IniReader(InputStream input) throws FileNotFoundException, IOException {
this(new InputStreamReader(input));
}
public IniReader(Reader input) throws FileNotFoundException, IOException {
initialize(new BufferedReader(input));
}
private void initialize(BufferedReader r) throws IOException {
String section = null, line;
while ((line = r.readLine()) != null) {
line = line.trim();
if (line.equals("") || line.startsWith(";")) {
continue;
}
if (line.startsWith("[")) {
if (!line.endsWith("]")) {
throw new IOException("] expected in section header");
}
section = line.substring(1, line.length() - 1).toLowerCase();
} else if (section == null) {
throw new IOException("[section] header expected");
} else {
int index = line.indexOf('=');
if (index < 0) {
throw new IOException("key/value pair without =");
}
String key = line.substring(0, index).trim().toLowerCase();
String value = line.substring(index + 1).trim();
Map map = (Map) sections.get(section);
if (map == null) {
sections.put(section, (map = new HashMap()));
}
map.put(key, value);
}
}
}
public String getPropertyString(String section, String key, String defaultValue) {
Map map = (Map) sections.get(section.toLowerCase());
if (map != null) {
String value = (String) map.get(key.toLowerCase());
if (value != null) {
return value;
}
}
return defaultValue;
}
public int getPropertyInt(String section, String key, int defaultValue) {
String s = getPropertyString(section, key, null);
if (s != null) {
return Integer.parseInt(s);
}
return defaultValue;
}
public boolean getPropertyBool(String section, String key, boolean defaultValue) {
String s = getPropertyString(section, key, null);
if (s != null) {
return s.equalsIgnoreCase("true");
}
return defaultValue;
}
public static void main(String[] args)
{
try
{
IniReader v = new IniReader("d:\\text.ini");
System.out.println("Land: " + v.getPropertyString("section","Land","fehlt"));
System.out.println("Stadt: " + v.getPropertyString("section","Stadt","fehlt"));
System.out.println("Fluss: " + v.getPropertyString("section","Fluss","fehlt"));
System.out.println("Bla Bla: " + v.getPropertyString("section","Bla Bla","fehlt"));
}
catch (Exception e) { e.printStackTrace(); }
}
}
