--- /dev/null
+/*
+ * jFCPlib - Version.java - Copyright © 2008 David Roden
+ *
+ * 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 2 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+package net.pterodactylus.fcp;
+
+import java.util.StringTokenizer;
+
+/**
+ * Container for the “lastGoodVersion” field.
+ *
+ * @author David ‘Bombe’ Roden <bombe@freenetproject.org>
+ */
+public class Version {
+
+ /** The name of the node implementation. */
+ private final String nodeName;
+
+ /** The tree version of the node. */
+ private final String treeVersion;
+
+ /** The protocol version of the node. */
+ private final String protocolVersion;
+
+ /** The build number of the node. */
+ private final int buildNumber;
+
+ /**
+ * Creates a new Version from the given string. The string consists of the
+ * four required fields node name, tree version, protocol version, and build
+ * number, separated by a comma.
+ *
+ * @param version
+ * The version string
+ * @throws NullPointerException
+ * if <code>version</code> is <code>null</code>
+ * @throws IllegalArgumentException
+ * if <code>version</code> is not in the right format
+ */
+ public Version(String version) {
+ if (version == null) {
+ throw new NullPointerException("version must not be null");
+ }
+ StringTokenizer versionTokens = new StringTokenizer(version, ",");
+ if (versionTokens.countTokens() != 4) {
+ throw new IllegalArgumentException("version must consist of four fields");
+ }
+ this.nodeName = versionTokens.nextToken();
+ this.treeVersion = versionTokens.nextToken();
+ this.protocolVersion = versionTokens.nextToken();
+ try {
+ this.buildNumber = Integer.valueOf(versionTokens.nextToken());
+ } catch (NumberFormatException nfe1) {
+ throw new IllegalArgumentException("last part of version must be numeric", nfe1);
+ }
+ }
+
+ /**
+ * Creates a new Version from the given parts.
+ *
+ * @param nodeName
+ * The name of the node implementation
+ * @param treeVersion
+ * The tree version
+ * @param protocolVersion
+ * The protocol version
+ * @param buildNumber
+ * The build number of the node
+ */
+ public Version(String nodeName, String treeVersion, String protocolVersion, int buildNumber) {
+ this.nodeName = nodeName;
+ this.treeVersion = treeVersion;
+ this.protocolVersion = protocolVersion;
+ this.buildNumber = buildNumber;
+ }
+
+ /**
+ * Returns the name of the node implementation.
+ *
+ * @return The node name
+ */
+ public String getNodeName() {
+ return nodeName;
+ }
+
+ /**
+ * The tree version of the node.
+ *
+ * @return The tree version of the node
+ */
+ public String getTreeVersion() {
+ return treeVersion;
+ }
+
+ /**
+ * The protocol version of the node
+ *
+ * @return The protocol version of the node
+ */
+ public String getProtocolVersion() {
+ return protocolVersion;
+ }
+
+ /**
+ * The build number of the node.
+ *
+ * @return The build number of the node
+ */
+ public int getBuildNumber() {
+ return buildNumber;
+ }
+
+ /**
+ * @see java.lang.Object#toString()
+ */
+ @Override
+ public String toString() {
+ return nodeName + "," + treeVersion + "," + protocolVersion + "," + buildNumber;
+ }
+
+}