1 files changed, 123 insertions, 0 deletions
diff --git a/src/org/xbill/DNS/TXTBase.java b/src/org/xbill/DNS/TXTBase.java
new file mode 100644
index 0000000..fd99bfb
--- /dev/null
+++ b/src/org/xbill/DNS/TXTBase.java
@@ -0,0 +1,123 @@
+// Copyright (c) 1999-2004 Brian Wellington (bwelling@xbill.org)
+
+package org.xbill.DNS;
+
+import java.io.*;
+import java.util.*;
+
+/**
+ * Implements common functionality for the many record types whose format
+ * is a list of strings.
+ *
+ * @author Brian Wellington
+ */
+
+abstract class TXTBase extends Record {
+
+private static final long serialVersionUID = -4319510507246305931L;
+
+protected List strings;
+
+protected
+TXTBase() {}
+
+protected
+TXTBase(Name name, int type, int dclass, long ttl) {
+	super(name, type, dclass, ttl);
+}
+
+protected
+TXTBase(Name name, int type, int dclass, long ttl, List strings) {
+	super(name, type, dclass, ttl);
+	if (strings == null)
+		throw new IllegalArgumentException("strings must not be null");
+	this.strings = new ArrayList(strings.size());
+	Iterator it = strings.iterator();
+	try {
+		while (it.hasNext()) {
+			String s = (String) it.next();
+			this.strings.add(byteArrayFromString(s));
+		}
+	}
+	catch (TextParseException e) {
+		throw new IllegalArgumentException(e.getMessage());
+	}
+}
+
+protected
+TXTBase(Name name, int type, int dclass, long ttl, String string) {
+	this(name, type, dclass, ttl, Collections.singletonList(string));
+}
+
+void
+rrFromWire(DNSInput in) throws IOException {
+	strings = new ArrayList(2);
+	while (in.remaining() > 0) {
+		byte [] b = in.readCountedString();
+		strings.add(b);
+	}
+}
+
+void
+rdataFromString(Tokenizer st, Name origin) throws IOException {
+	strings = new ArrayList(2);
+	while (true) {
+		Tokenizer.Token t = st.get();
+		if (!t.isString())
+			break;
+		try {
+			strings.add(byteArrayFromString(t.value));
+		}
+		catch (TextParseException e) { 
+			throw st.exception(e.getMessage());
+		}
+
+	}
+	st.unget();
+}
+
+/** converts to a String */
+String
+rrToString() {
+	StringBuffer sb = new StringBuffer();
+	Iterator it = strings.iterator();
+	while (it.hasNext()) {
+		byte [] array = (byte []) it.next();
+		sb.append(byteArrayToString(array, true));
+		if (it.hasNext())
+			sb.append(" ");
+	}
+	return sb.toString();
+}
+
+/**
+ * Returns the text strings
+ * @return A list of Strings corresponding to the text strings.
+ */
+public List
+getStrings() {
+	List list = new ArrayList(strings.size());
+	for (int i = 0; i < strings.size(); i++)
+		list.add(byteArrayToString((byte []) strings.get(i), false));
+	return list;
+}
+
+/**
+ * Returns the text strings
+ * @return A list of byte arrays corresponding to the text strings.
+ */
+public List
+getStringsAsByteArrays() {
+	return strings;
+}
+
+void
+rrToWire(DNSOutput out, Compression c, boolean canonical) {
+	Iterator it = strings.iterator();
+	while (it.hasNext()) {
+		byte [] b = (byte []) it.next();
+		out.writeCountedString(b);
+	}
+}
+
+}