* New home page, including basic AJAX, home page config and search

apps/routerconsole/java/src/net/i2p/router/web/SearchHelper.java

@@ -0,0 +1,101 @@
+package net.i2p.router.web;
+
+import java.util.Map;
+import java.util.TreeMap;
+
+import net.i2p.util.PortMapper;
+
+/**
+ *  Helper for searches.
+ *
+ *  @since 0.9
+ */
+public class SearchHelper extends HelperBase {
+
+    private String _engine;
+    private String _query;
+    private Map<String, String> _engines = new TreeMap();
+    
+    private static final char S = ';';
+    private static final String PROP_ENGINES = "routerconsole.searchEngines";
+    private static final String PROP_DEFAULT = "routerconsole.searchEngine";
+
+    private static final String PROP_DEFAULTS =
+        "eepsites.i2p" + S + "http://eepsites.i2p/Content/Search/SearchResults.aspx?inpQuery=%s" + S +
+        "epsilon.i2p" + S + "http://epsilon.i2p/search.jsp?q=%s" + S +
+        "sprongle.i2p" + S + "http://sprongle.i2p/sprongle.php?q=%s" + S +
+        "";
+
+    public void setEngine(String s) {
+        _engine = s;
+        if (s != null) {
+            String dflt = _context.getProperty(PROP_DEFAULT);
+            if (!s.equals(dflt))
+                _context.router().saveConfig(PROP_DEFAULT, s);
+        }
+    }
+
+    public void setQuery(String s) {
+        _query = s;
+    }
+
+    private void buildEngineMap() {
+        String config = _context.getProperty(PROP_ENGINES, PROP_DEFAULTS);
+        String[] args = config.split("" + S);
+        for (int i = 0; i < args.length - 1; i += 2) {
+            String name = args[i];
+            String url = args[i+1];
+            _engines.put(name, url);
+        }
+    }
+
+    public String getSelector() {
+        buildEngineMap();
+        if (_engines.isEmpty())
+            return "<b>No search engines specified</b>";
+        String dflt = _context.getProperty(PROP_DEFAULT);
+        if (dflt == null || !_engines.containsKey(dflt)) {
+            // pick a randome one as default and save it
+            int idx = _context.random().nextInt(_engines.size());
+            int i = 0;
+            for (String name : _engines.keySet()) {
+                dflt = name;
+                if (i++ >= idx) {
+                    _context.router().saveConfig(PROP_DEFAULT, dflt);
+                    break;
+                }
+            }
+        }
+        StringBuilder buf = new StringBuilder(1024);
+        buf.append("<select name=\"engine\">");
+        for (String name : _engines.keySet()) {
+            buf.append("<option value=\"").append(name).append('\"');
+            if (name.equals(dflt))
+                buf.append(" selected=\"true\"");
+            buf.append('>').append(name).append("</option>\n");
+        }
+        buf.append("</select>\n");
+        return buf.toString();
+    }
+
+    /**
+     *  @return null on error
+     */
+    public String getURL() {
+        if (_engine == null || _query == null)
+            return null;
+        _query = _query.trim();
+        if (_query.length() <= 0)
+            return null;
+        buildEngineMap();
+        String url = _engines.get(_engine);
+        if (url == null)
+            return null;
+        // _query = escape query
+        if (url.contains("%s"))
+            url = url.replace("%s", _query);
+        else
+            url += _query;
+        return url;
+    }
+}