diff -r d78b74a2abe9 -r 93208f791318 java/dictionary-generator/src/cz/frantovo/telco/dictionary/MappedNamespaceContext.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/java/dictionary-generator/src/cz/frantovo/telco/dictionary/MappedNamespaceContext.java	Tue Jul 09 18:59:07 2013 +0200
@@ -0,0 +1,63 @@
+/**
+ * Free Telco Dictionary
+ * Copyright © 2013 František Kučera (frantovo.cz)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package cz.frantovo.telco.dictionary;
+
+import static cz.frantovo.telco.dictionary.Functions.*;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.Map.Entry;
+import javax.xml.namespace.NamespaceContext;
+
+/**
+ *
+ * @author Ing. František Kučera (frantovo.cz)
+ */
+public class MappedNamespaceContext implements NamespaceContext {
+
+	/**
+	 * maps prexix to namespace URI
+	 */
+	private Map<String, String> prefixMap;
+
+	public MappedNamespaceContext(Map<String, String> prefixMap) {
+		this.prefixMap = prefixMap;
+	}
+
+	@Override
+	public String getNamespaceURI(String prefix) {
+		return prefixMap.get(prefix);
+	}
+
+	@Override
+	public String getPrefix(String xmlns) {
+		for (Entry<String, String> e : prefixMap.entrySet()) {
+			if (equalz(xmlns, e.getValue())) {
+				return e.getKey();
+			}
+		}
+		return null;
+	}
+
+	/**
+	 * TODO: support multiple prefixes
+	 */
+	@Override
+	public Iterator getPrefixes(String xmlns) {
+		return new OneItemIterator(getPrefix(xmlns));
+	}
+}
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