Add a basic model class for aliases.

Change-Id: I2df03b35733bd60af99f9502166d4e96b02bb300
Reviewed-on: http://gerrit.dmdirc.com/3514
Reviewed-by: Greg Holmes <greg@dmdirc.com>
Automatic-Compile: DMDirc Build Manager

src/com/dmdirc/commandparser/aliases/Alias.java

@@ -0,0 +1,76 @@
+/*
+ * Copyright (c) 2006-2014 DMDirc Developers
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package com.dmdirc.commandparser.aliases;
+
+import com.dmdirc.commandparser.CommandInfo;
+import com.dmdirc.commandparser.CommandType;
+
+/**
+ * Describes a user-defined command alias.
+ */
+public class Alias implements CommandInfo {
+
+    /** The type of this alias. */
+    private final CommandType type;
+    /** The name of the alias. */
+    private final String name;
+    /** The minimum number of arguments this alias requires. */
+    private final int minArguments;
+    /** The command string to substitute arguments into. */
+    private final String substitution;
+
+    public Alias(
+            final CommandType type,
+            final String name,
+            final int minArguments,
+            final String substitution) {
+        this.type = type;
+        this.name = name;
+        this.minArguments = minArguments;
+        this.substitution = substitution;
+    }
+
+    @Override
+    public String getName() {
+        return name;
+    }
+
+    @Override
+    public String getHelp() {
+        return name + " - alias for " + substitution.split(" ", 2)[0];
+    }
+
+    public int getMinArguments() {
+        return minArguments;
+    }
+
+    public String getSubstitution() {
+        return substitution;
+    }
+
+    @Override
+    public CommandType getType() {
+        return type;
+    }
+
+}