package net.i2p.router.web;
import java.io.File;
import java.util.Locale;
import net.i2p.util.FileUtil;
public class ContentHelper extends HelperBase {
protected String _page;
private int _maxLines;
private boolean _startAtBeginning;
private String _lang;
/**
* Caution, use absolute paths only, do not assume files are in CWD
*/
public void setPage(String page) { _page = page; }
public void setStartAtBeginning(String moo) {
_startAtBeginning = Boolean.parseBoolean(moo);
}
public void setLang(String l) {
/*****
if((_lang == null || !_lang.equals(l)) && (l != null)) {
//Set language for router console
_lang = l;
TODO - Temporary for 0.8.4
Needed for desktopgui. But there's no nonce protection.
Move the following to CSSHelper setLang(), or disable completely,
See comments in CSSHelper
if(_context == null) {
setContextId(null);
}
if (_context.getBooleanProperty("desktopgui.enabled")) {
//Set language persistently throughout I2P
_context.router().setConfigSetting(Messages.PROP_LANG, _lang);
_context.router().saveConfig();
_context.setProperty(Messages.PROP_LANG, _lang);
}
}
*****/
}
public void setMaxLines(String lines) {
if (lines != null) {
try {
_maxLines = Integer.parseInt(lines);
} catch (NumberFormatException nfe) {
_maxLines = -1;
}
} else {
_maxLines = -1;
}
}
public String getContent() {
String str = FileUtil.readTextFile(filename(), _maxLines, _startAtBeginning);
if (str == null)
return "";
else
return str;
}
public String getTextContent() {
String str = FileUtil.readTextFile(filename(), _maxLines, _startAtBeginning);
if (str == null)
return "";
else {
StringBuilder sb = new StringBuilder(str.length()+11);
sb.append("<pre>");
for (int i=0; i < str.length(); i++) {
char c = str.charAt(i);
switch (str.charAt(i)) {
case '<': sb.append("<"); break;
case '>': sb.append(">"); break;
case '&': sb.append("&"); break;
default: sb.append(c); break;
}
}
return sb.append("</pre>").toString();
}
}
/**
* Convert file.ext to file_lang.ext if it exists.
* Get lang from the cgi lang param, then properties, then from the default locale.
* _context must be set to check the property.
*/
private String filename() {
int lastdot = _page.lastIndexOf('.');
if (lastdot <= 0)
return _page;
String lang = _lang;
if (lang == null || lang.length() <= 0) {
if (_context != null)
lang = _context.getProperty(Messages.PROP_LANG);
if (lang == null || lang.length() <= 0) {
lang = Locale.getDefault().getLanguage();
if (lang == null || lang.length() <= 0)
return _page;
}
}
if (lang.equals("en"))
return _page;
String newname = _page.substring(0, lastdot) + '_' + lang + _page.substring(lastdot);
File newfile = new File(newname);
if (newfile.exists())
return newname;
return _page;
}
}