components/visual-panels/core/src/java/util/com/oracle/solaris/vp/util/misc/converter/DimensionStringConverter.java
changeset 827 0944d8c0158b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/components/visual-panels/core/src/java/util/com/oracle/solaris/vp/util/misc/converter/DimensionStringConverter.java	Thu May 24 04:16:47 2012 -0400
@@ -0,0 +1,82 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved.
+ */
+
+package com.oracle.solaris.vp.util.misc.converter;
+
+import java.awt.Dimension;
+import com.oracle.solaris.vp.util.misc.TextUtil;
+
+public class DimensionStringConverter extends StringConverter<Dimension> {
+    //
+    // Static data
+    //
+
+    public static final DimensionStringConverter INSTANCE =
+	new DimensionStringConverter();
+
+    //
+    // Converter methods
+    //
+
+    /**
+     * Converts the given {@code String} to a {@code Dimension}.
+     *
+     * @param	    s
+     *		    the {@code String} to convert: two integers (width and
+     *		    height) separated by whitespace and/or commas
+     *
+     * @return	    {@code null} if {@code s} is {@code null}, a {@code
+     *		    Dimension} otherwise
+     *
+     * @exception   IllegalArgumentException if the given {@code String} could
+     *		    not be converted to a {@code Dimension}
+     */
+    @Override
+    public Dimension convert(String s) {
+	if (s == null) {
+	    return null;
+	}
+
+	String[] groups = TextUtil.match(
+	    s, "^\\s*(\\d+)[\\s,]+(\\d+)\\s*$");
+
+	if (groups != null) {
+	    return new Dimension(Integer.parseInt(groups[1]),
+		Integer.parseInt(groups[2]));
+	}
+
+	throw new IllegalArgumentException(String.format(
+	    "invalid dimension: %s", s));
+    }
+
+    //
+    // DualConverter methods
+    //
+
+    @Override
+    public String revert(Dimension d) {
+	return d.width + ", " + d.height;
+    }
+}