[Jnode-svn-commits] SF.net SVN: jnode: [3123] trunk/shell/src/shell/org/jnode/shell/help/ argument/SizeArgument.java

[<fd...@us...>]

Revision: 3123
          http://jnode.svn.sourceforge.net/jnode/?rev=3123&view=rev
Author:   fduminy
Date:     2007-02-11 14:30:51 -0800 (Sun, 11 Feb 2007)

Log Message:
-----------
added argument for values of type size, which allow use of multipliers (like K, M, G, ...)

Added Paths:
-----------
    trunk/shell/src/shell/org/jnode/shell/help/argument/SizeArgument.java

Added: trunk/shell/src/shell/org/jnode/shell/help/argument/SizeArgument.java
===================================================================
--- trunk/shell/src/shell/org/jnode/shell/help/argument/SizeArgument.java	                        (rev 0)
+++ trunk/shell/src/shell/org/jnode/shell/help/argument/SizeArgument.java	2007-02-11 22:30:51 UTC (rev 3123)
@@ -0,0 +1,76 @@
+/*
+ * $Id: LongArgument.java 2945 2006-12-20 08:51:17Z qades $
+ *
+ * JNode.org
+ * Copyright (C) 2003-2006 JNode.org
+ *
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation; either version 2.1 of the License, or
+ * (at your option) any later version.
+ *
+ * This library 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 Lesser General Public 
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; If not, write to the Free Software Foundation, Inc., 
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+ 
+package org.jnode.shell.help.argument;
+
+import org.jnode.shell.help.ParsedArguments;
+import org.jnode.util.NumberUtils;
+
+/**
+ * @author Ewout Prangsma (ep...@us...)
+ */
+/**
+ * @author Ewout Prangsma (ep...@us...)
+ * @author Fabien DUMINY (fduminy at jnode.org)
+ * 
+ * TODO should be factorized with IntegerArgument
+ */
+public class SizeArgument extends LongArgument {
+	public SizeArgument(String name, String description, boolean multi,
+			String min, String max) 
+	{
+		this(name, description, multi, NumberUtils.getSize(min), 
+			NumberUtils.getSize(max));
+	}
+	
+	public SizeArgument(String name, String description, boolean multi,
+			long min, long max) 
+	{
+		super(name, description, multi, min, max);
+		checkSize("min", min);
+		checkSize("max", max);
+	}
+
+	public SizeArgument(String name, String description, boolean multi) {
+		this(name, description, multi, 0L, Long.MAX_VALUE);
+	}
+
+	public SizeArgument(String name, String description) {
+		this(name, description, SINGLE);
+	}
+	
+	public boolean hasSizeUnit(ParsedArguments args) {
+		return (NumberUtils.getSizeUnit(this.getValue(args)) != null);
+	}
+	
+	@Override
+	protected long getLongValue(String value) {
+		return NumberUtils.getSize(value);
+	}
+	
+	protected void checkSize(String name, long size)
+	{
+		if(size < 0)
+		{
+			throw new IllegalArgumentException(name+" can't be negative");
+		}		
+	}
+}


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