package net.i2p.router.web; import java.io.File; import java.util.Locale; import net.i2p.router.RouterContext; import net.i2p.util.FileUtil; public class ContentHelper { private String _page; private int _maxLines; private boolean _startAtBeginning; private String _lang; private RouterContext _context; /** * Configure this bean to query a particular router context * * @param contextId begging few characters of the routerHash, or null to pick * the first one we come across. */ public void setContextId(String contextId) { try { _context = ContextHelper.getContext(contextId); } catch (Throwable t) { t.printStackTrace(); } } public ContentHelper() {} public void setPage(String page) { _page = page; } public void setStartAtBeginning(String moo) { _startAtBeginning = Boolean.valueOf(""+moo).booleanValue(); } public void setLang(String l) { _lang = l; } 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 { StringBuffer sb = new StringBuffer(str.length()+11); sb.append("
"); 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("").toString(); } } /** * Convert file.ext to file_lang.ext if it exists. * Get lang from either the cgi lang param or from the default locale. */ private String filename() { int lastdot = _page.lastIndexOf('.'); if (lastdot <= 0) return _page; String lang = _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; } }