basic IDN support

apps/susidns/src/java/src/i2p/susi/dns/AddressBean.java

@@ -24,6 +24,7 @@
 
 package i2p.susi.dns;
 
+import java.net.IDN;
 import java.util.Date;
 import java.util.Properties;
 
@@ -36,6 +37,19 @@ public class AddressBean
 {
 	private final String name, destination;
 	private Properties props;
+	/** available as of Java 6 */
+	static final boolean haveIDN;
+
+	static {
+		boolean h;
+		try {
+			Class.forName("java.net.IDN", false, ClassLoader.getSystemClassLoader());
+			h = true;
+		} catch (ClassNotFoundException cnfe) {
+			h = false;
+		}
+		haveIDN = h;
+	}
 
 	public AddressBean(String name, String destination)
 	{
@@ -48,11 +62,34 @@ public class AddressBean
 		return destination;
 	}
 
+	/**
+	 * The ASCII (Punycode) name
+	 */
 	public String getName()
 	{
 		return name;
 	}
 
+	/**
+	 * The Unicode name, translated from Punycode
+	 * @since 0.8.6
+	 */
+	public String getDisplayName()
+	{
+		if (haveIDN)
+			return IDN.toUnicode(name);
+		return name;
+	}
+
+	/**
+	 * Is the ASCII name Punycode-encoded?
+	 * @since 0.8.6
+	 */
+	public boolean isIDN()
+	{
+		return haveIDN && !IDN.toUnicode(name).equals(name);
+	}
+
 	/** @since 0.8.6 */
 	public String getB32() 
 	{

apps/susidns/src/java/src/i2p/susi/dns/AddressByNameSorter.java

@@ -36,6 +36,6 @@ public 	class AddressByNameSorter implements Comparator<AddressBean>
 		if( b == null )
 			return -1;
 		
-		return a.getName().compareToIgnoreCase(b.getName());
+		return a.getDisplayName().compareToIgnoreCase(b.getDisplayName());
 	}	
 }

apps/susidns/src/java/src/i2p/susi/dns/NamingServiceBean.java

@@ -22,6 +22,7 @@
 
 package i2p.susi.dns;
 
+import java.net.IDN;
 import java.util.Arrays;
 import java.util.Comparator;
 import java.util.Iterator;
@@ -222,9 +223,15 @@ public class NamingServiceBean extends AddressbookBean
 							message = _("Host name {0} is already in addressbook with a different destination. Click \"Replace\" to overwrite.", hostname);
 						} else {
 							try {
+								String host = hostname;
+								if (AddressBean.haveIDN) {
+									try {
+										host = IDN.toASCII(hostname, IDN.ALLOW_UNASSIGNED);
+									} catch (IllegalArgumentException iae) {}
+								}
 								Destination dest = new Destination(destination);
 					                        nsOptions.setProperty("s", _("Manually added via SusiDNS"));
-								boolean success = getNamingService().put(hostname, dest, nsOptions);
+								boolean success = getNamingService().put(host, dest, nsOptions);
 								if (success) {
 									changed = true;
 									if (oldDest == null)

apps/susidns/src/jsp/addressbook.jsp

@@ -150,7 +150,7 @@ ${book.loadBookMessages}
 <c:if test="${book.master || book.router || book.published || book.private}">
 <td class="checkbox"><input type="checkbox" name="checked" value="${addr.name}" title="<%=intl._("Mark for deletion")%>"></td>
 </c:if>
-<td class="names"><a href="http://${addr.name}/">${addr.name}</a>
+<td class="names"><a href="http://${addr.name}/">${addr.displayName}</a>
 </td><td class="names">
 <span class="addrhlpr">(<a href="http://${addr.b32}/">b32</a>)</span>
 <span class="addrhlpr">(<a href="details.jsp?h=${addr.name}"><%=intl._("details")%></a>)</span>

apps/susidns/src/jsp/details.jsp

@@ -82,8 +82,17 @@
 <table class="book" cellspacing="0" cellpadding="5">
 <tr class="list${book.trClass}">
 <td><%=intl._("Host Name")%></td>
+<td><a href="http://<%=addr.getName()%>/"><%=addr.getDisplayName()%></a></td>
+</tr><tr class="list${book.trClass}">
+<%
+    if (addr.isIDN()) {
+%>
+<td><%=intl._("Punycode Name")%></td>
 <td><a href="http://<%=addr.getName()%>/"><%=addr.getName()%></a></td>
 </tr><tr class="list${book.trClass}">
+<%
+    }
+%>
 <td><%=intl._("Base 32 Address")%></td>
 <td><a href="http://<%=b32%>/"><%=b32%></a></td>
 </tr><tr class="list${book.trClass}">