forked from I2P_Developers/i2p.i2p
98 lines
3.0 KiB
Java
98 lines
3.0 KiB
Java
package net.i2p.router.web;
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import java.io.File;
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import java.util.Locale;
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import net.i2p.router.RouterContext;
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import net.i2p.util.FileUtil;
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public class ContentHelper {
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private String _page;
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private int _maxLines;
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private boolean _startAtBeginning;
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private String _lang;
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private RouterContext _context;
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/**
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* Configure this bean to query a particular router context
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*
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* @param contextId begging few characters of the routerHash, or null to pick
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* the first one we come across.
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*/
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public void setContextId(String contextId) {
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try {
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_context = ContextHelper.getContext(contextId);
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} catch (Throwable t) {
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t.printStackTrace();
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}
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}
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public ContentHelper() {}
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public void setPage(String page) { _page = page; }
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public void setStartAtBeginning(String moo) {
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_startAtBeginning = Boolean.valueOf(""+moo).booleanValue();
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}
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public void setLang(String l) { _lang = l; }
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public void setMaxLines(String lines) {
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if (lines != null) {
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try {
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_maxLines = Integer.parseInt(lines);
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} catch (NumberFormatException nfe) {
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_maxLines = -1;
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}
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} else {
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_maxLines = -1;
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}
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}
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public String getContent() {
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String str = FileUtil.readTextFile(filename(), _maxLines, _startAtBeginning);
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if (str == null)
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return "";
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else
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return str;
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}
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public String getTextContent() {
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String str = FileUtil.readTextFile(filename(), _maxLines, _startAtBeginning);
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if (str == null)
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return "";
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else {
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StringBuffer sb = new StringBuffer(str.length()+11);
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sb.append("<pre>");
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for (int i=0; i < str.length(); i++) {
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char c = str.charAt(i);
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switch (str.charAt(i)) {
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case '<': sb.append("<"); break;
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case '>': sb.append(">"); break;
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case '&': sb.append("&"); break;
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default: sb.append(c); break;
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}
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}
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return sb.append("</pre>").toString();
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}
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}
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/**
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* Convert file.ext to file_lang.ext if it exists.
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* Get lang from either the cgi lang param or from the default locale.
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*/
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private String filename() {
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int lastdot = _page.lastIndexOf('.');
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if (lastdot <= 0)
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return _page;
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String lang = _lang;
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if (lang == null || lang.length() <= 0) {
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lang = Locale.getDefault().getLanguage();
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if (lang == null || lang.length() <= 0)
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return _page;
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}
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if (lang.equals("en"))
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return _page;
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String newname = _page.substring(0, lastdot) + '_' + lang + _page.substring(lastdot);
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File newfile = new File(newname);
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if (newfile.exists())
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return newname;
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return _page;
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}
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}
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