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diff --git a/libjava/classpath/javax/swing/plaf/synth/SynthStyle.java b/libjava/classpath/javax/swing/plaf/synth/SynthStyle.java
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+/* SynthStyle.java -- A set of style properties
+   Copyright (C) 2006 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath 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, or (at your option)
+any later version.
+
+GNU Classpath 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 GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package javax.swing.plaf.synth;
+
+import gnu.classpath.NotImplementedException;
+
+import java.awt.Color;
+import java.awt.Font;
+import java.awt.Insets;
+
+import javax.swing.Icon;
+
+/**
+ * A set of style properties that can be installed on a component.
+ *
+ * @author Roman Kennke (kennke@aicas.com)
+ *
+ * @since 1.5
+ */
+public abstract class SynthStyle
+{
+
+  /**
+   * Creates a new <code>SynthStyle</code> object.
+   */
+  public SynthStyle()
+    throws NotImplementedException
+  {
+    // FIXME: Implement this correctly.
+  }
+
+  public SynthGraphicsUtils getGraphicsUtils(SynthContext ctx)
+    throws NotImplementedException
+  {
+    // FIXME: Implement this correctly.
+    return null;
+  }
+
+  public Color getColor(SynthContext ctx, ColorType type)
+    throws NotImplementedException
+  {
+    // FIXME: Implement this correctly.
+    return null;
+  }
+
+  protected abstract Color getColorForState(SynthContext ctx, ColorType type);
+
+  public Font getFont(SynthContext ctx)
+    throws NotImplementedException
+  {
+    // FIXME: Implement this correctly.
+    return null;
+  }
+
+  protected abstract Font getFontForState(SynthContext ctx);
+
+  public Insets getInsets(SynthContext ctx, Insets result)
+    throws NotImplementedException
+  {
+    // FIXME: Implement this correctly.
+    return null;
+  }
+
+  public SynthPainter getPainter(SynthContext ctx)
+    throws NotImplementedException
+  {
+    // FIXME: Implement this correctly.
+    return null;
+  }
+
+  public boolean isOpaque(SynthContext ctx)
+    throws NotImplementedException
+  {
+    // FIXME: Implement this correctly.
+    return true;
+  }
+
+  public Object get(SynthContext ctx, Object key)
+    throws NotImplementedException
+  {
+    // FIXME: Implement this correctly.
+    return null;
+  }
+
+  public void installDefaults(SynthContext ctx)
+    throws NotImplementedException
+  {
+    // FIXME: Implement this correctly.
+  }
+
+  public void uninstallDefaults(SynthContext ctx)
+    throws NotImplementedException
+  {
+    // FIXME: Implement this correctly.
+  }
+
+  /**
+   * A convenience method to fetch an integer property.
+   * If the property's value is a {@link Number}, then the
+   * integer value is returned.  Otherwise, the default value
+   * is returned.
+   * @param ctx the context
+   * @param key the key to fetch
+   * @param defaultValue the default value
+   * @return the integer value of the property, or the default value
+   */
+  public int getInt(SynthContext ctx, Object key, int defaultValue)
+  {
+    Object obj = get(ctx, key);
+    if (obj instanceof Number)
+      return ((Number) obj).intValue();
+    return defaultValue;
+  }
+
+  /**
+   * A convenience method to fetch an integer property.
+   * If the property's value is a {@link Boolean}, then the
+   * value is returned.  Otherwise, the default value
+   * is returned.
+   * @param ctx the context
+   * @param key the key to fetch
+   * @param defaultValue the default value
+   * @return the boolean value of the property, or the default value
+   */
+  public boolean getBoolean(SynthContext ctx, Object key,
+                            boolean defaultValue)
+  {
+    Object obj = get(ctx, key);
+    if (obj instanceof Boolean)
+      return ((Boolean) obj).booleanValue();
+    return defaultValue;
+  }
+
+  /**
+   * A convenience method to fetch an Icon-valued property.
+   * If the property's value is an {@link Icon}, then the
+   * value is returned.  Otherwise, null is returned.
+   * @param ctx the context
+   * @param key the key to fetch
+   * @return the icon, or null
+   */
+  public Icon getIcon(SynthContext ctx, Object key)
+  {
+    Object obj = get(ctx, key);
+    if (key instanceof Icon)
+      return (Icon) obj;
+    return null;
+  }
+
+  /**
+   * A convenience method to fetch a String property.
+   * If the property's value is a {@link String}, then the
+   * value is returned.  Otherwise, the default value
+   * is returned.
+   * @param ctx the context
+   * @param key the key to fetch
+   * @param defaultValue the default value
+   * @return the String value of the property, or the default value
+   */
+  public String getString(SynthContext ctx, Object key, String defaultValue)
+  {
+    Object obj = get(ctx, key);
+    if (obj instanceof String)
+      return (String) obj;
+    return defaultValue;
+  }
+}