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diff --git a/libjava/javax/swing/Spring.java b/libjava/javax/swing/Spring.java
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--- a/libjava/javax/swing/Spring.java
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@@ -1,580 +0,0 @@
-/* Spring.java -- 
-   Copyright (C) 2004 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;
-
-/**
- * Calculates the space between component edges, that are layed out by
- * {@link SpringLayout}.
- * <p>
- * A Spring defines a minimum, preferred and maximum distance for each edge
- * (north, east, south, west) of a component.
- * </p>
- * However, springs are not static, their actual values are computed at
- * runtime. That means, if a Spring C is defined as the sum of Spring A and
- * Spring B, then the values (min, pref and max) are not calculated at
- * creation of Spring C, but instead always when {@link #getValue} is
- * called. So, when Spring A or Spring B changes, this is reflected in
- * Spring C.
- *
- * @author Roman Kennke (roman@ontographics.com)
- */
-public abstract class Spring
-{
-
-  /** Indicates a not-set value. **/
-  public static final int UNSET = -2147483648;
-
-  /**
-   * Creates a new Spring object. This constructor is used by the static
-   * methods which create Springs.
-   */
-  protected Spring()
-  {
-  }
-
-  /**
-   * Creates a Spring which min, pref and max values are all the same.
-   * These kind of Springs are 'struts'.
-   *
-   * @param val the constant for min, pref and max values.
-   * @return a Spring object with constant values for min, pref and max.
-   */
-  public static Spring constant(int val)
-  {
-    return new SimpleSpring(val, val, val);
-  }
-
-  /** Creates a Spring which min, pref and max values are constants.
-   * @param min the constant for the minimum value.
-   * @param pref the constant for the preferred value.
-   * @param max the constant for the maximum value.
-   * @return a Spring object with constant values for min, pref and max.
-   */
-  public static Spring constant(int min, int pref, int max)
-  {
-    return new SimpleSpring(min, pref, max);
-  }
-
-  /**
-   * Returns the maximum value of the Spring.
-   *
-   * @return the maximum value.
-   */
-  public abstract int getMaximumValue();
-
-  /**
-   * Returns the minimum value of this Spring.
-   *
-   * @return the minimum value.
-   */
-  public abstract int getMinimumValue();
-
-  /**
-   * Return the preferred value of this Spring.
-   *
-   * @return the preferred value.
-   */
-  public abstract int getPreferredValue();
-
-  /**
-   * Return the actual value of this Spring.
-   *
-   * @return the actual value of this Spring.
-   */
-  public abstract int getValue();
-
-  /**
-   * Creates and returns a Spring, which always has the maximum values
-   * min = max(min_s1, min_s2), pref = max(pref_s1, pref_s2), max =
-   * max(max_s1, max_s2).
-   *
-   * @param s1 the first summand of the max Spring.
-   * @param s2 the second summand of the max Spring.
-   * @return a Spring which is max(s1, s2).
-   */
-  public static Spring max(Spring s1, Spring s2)
-  {
-    return new MaxSpring(s1, s2);
-  }
-
-  /**
-   * Creates and returns a Spring, which is always the negation of s.
-   * min = -min_s, pref = -pref_s, max = -max_pref.
-   *
-   * @param s the Spring to be negated.
-   * @return the negative of <code>s</code>.
-   */
-  public static Spring minus(Spring s)
-  {
-    return new MinusSpring(s);
-  }
-
-  /**
-   * Sets the actual value. If <code>value</code> is out of the (min, max)
-   * bounds, then the value is adjusted, so that is inside these bounds.
-   *
-   * @param value the value to be set.
-   */
-  public abstract void setValue(int value);
-
-  /**
-   * Creates and returns a Spring, which is always the sum of s1 and s2.
-   * min_sum = min_s1 + min_s2, pref_sum = pref_s1 + pref_s2, max_sum =
-   * max_s1 + max_s2.
-   *
-   * @param s1 the 1st summand of the sum Spring.
-   * @param s2 the 2nd summand of the sum Spring.
-   * @return a sum which is <code>s1 + s2</code>.
-   */
-  public static Spring sum(Spring s1, Spring s2)
-  {
-    return new AddSpring(s1, s2);
-  }
-
-  /**
-   * A simple Spring, that holds constant values for min, pref and max.
-   *
-   * @author Roman Kennke (roman@ontographics.com)
-   */
-  private static final class SimpleSpring extends Spring
-  {
-
-    /** The constant value for min. */
-    private final int min;
-
-    /** The constant value for pref. */
-    private final int pref;
-
-    /** The constant value for max. */
-    private final int max;
-
-    /** The actual value of the spring. */
-    private int value;
-
-    /**
-     * Creates a new SimpleSpring object.
-     *
-     * @param min the constant minimum value.
-     * @param pref the constant preferred value.
-     * @param max the constant maximum value.
-     */
-    public SimpleSpring(int newMin, int newPref, int newMax)
-    {
-      min = newMin;
-      pref = newPref;
-      max = newMax;
-      value = Spring.UNSET;
-    }
-
-    /**
-     * Returns the maximum value of this Spring.
-     *
-     * @return the maximum value.
-     */
-    public int getMaximumValue()
-    {
-      return max;
-    }
-
-    /**
-     * Returns the minimum value of this Spring.
-     *
-     * @return the minimum value.
-     */
-    public int getMinimumValue()
-    {
-      return min;
-    }
-
-    /**
-     * Returns the preferred value of this Spring.
-     *
-     * @return the preferred value.
-     */
-    public int getPreferredValue()
-    {
-      return pref;
-    }
-
-    /**
-     * Return the actual current value of this Spring.
-     *
-     * @return the current value.
-     */
-    public int getValue()
-    {
-
-      if (value == Spring.UNSET)
-        {
-          value = pref;
-        }
-	    
-      return value;
-    }
-	
-    /**
-     * Sets the current value.
-     *
-     * @param val the value to be set.
-     */
-    public void setValue(int val)
-    {
-
-      if (val > max)
-        {
-          value = max;
-	}
-      else if (val < min)
-        {
-          value = min;
-	}
-      else
-        {
-          value = val;
-        }
-    }
-
-  }
-
-
-  /**
-   * A Spring, that is the sum of two other Springs.
-   *
-   * @author Roman Kennke (roman@ontographics.com)
-   */
-  private static final class AddSpring extends Spring
-  {
-
-    /** The springs, that are the 'operands' of this Spring. */
-    private final Spring s1;
-    private final Spring s2;
-
-    /** The current value for this Spring. */
-    private int value;
-
-    /**
-     * Creates a new AddSpring object.
-     *
-     * @param s1 the first operand.
-     * @param s2 the second operand.
-     */
-    protected AddSpring(Spring s1, Spring s2)
-    {
-      super();
-      this.s1 = s1;
-      this.s2 = s2;
-      value = Spring.UNSET;
-    }
-
-    /**
-     * Returns the maximum value of this Spring.
-     *
-     * @return the maximum value.
-     */
-    public int getMaximumValue()
-    {
-      int max1 = s1.getMaximumValue();
-      int max2 = s2.getMaximumValue();
-      return max1 + max2;
-    }
-
-    /**
-     * Return the minimum value of this Spring.
-     *
-     * @return the minimum value.
-     */
-    public int getMinimumValue()
-    {
-      int min1 = s1.getMinimumValue();
-      int min2 = s2.getMinimumValue();
-      return min1 + min2;
-    }
-
-    /**
-     * Returns the preferred value of this Spring.
-     *
-     * @return the preferred value.
-     */
-    public int getPreferredValue()
-    {
-      int pref1 = s1.getPreferredValue();
-      int pref2 = s2.getPreferredValue();
-      return pref1 + pref2;
-    }
-
-    /**
-     * Returns the actual current value of this Spring.
-     *
-     * @return the current value of this Spring.
-     */
-    public int getValue()
-    {
-      if (value == Spring.UNSET)
-        {
-          int val1 = s1.getValue();
-          int val2 = s2.getValue();
-          value = val1 + val2;
-        }
-      return value;
-    }
-
-    /**
-     * Sets the current value.
-     *
-     * @param val the value to be set.
-     */
-    public void setValue(int val)
-    {
-
-      if (val > getMaximumValue())
-        {
-          value = getMaximumValue();
-        }
-      else if (val < getMinimumValue())
-        {
-          value = getMinimumValue();
-        }
-      else
-        {
-          value = val;
-        }
-
-    }
-	
-  }
-
-
-  /**
-   * A Spring that is calculated as the negation of another Spring.
-   *
-   * @author Roman Kennke (roman@ontographics.com)
-   */
-  private static final class MinusSpring extends Spring
-  {
-
-    /** The Spring from which to calculate the negation. */
-    private final Spring s;
-
-    /** The current value of this Spring. */
-    private int value;
-
-    /**
-     * Creates a new MinusSpring object.
-     * @param s the Spring from which to calculate the negation.
-     */
-    protected MinusSpring(Spring s)
-    {
-      super();
-      this.s = s;
-      value = Spring.UNSET;
-    }
-
-    /** Returns the maximum value of this Spring.
-     *
-     * @return the maximum value.
-     */
-    public int getMaximumValue()
-    {
-      return -s.getMinimumValue();
-    }
-
-    /**
-     * Returns the minimum value of this Spring.
-     *
-     * @return the minimum value.
-     */
-    public int getMinimumValue()
-    {
-      return -s.getMaximumValue();
-    }
-
-    /**
-     * Returns the preferred value of this Spring.
-     *
-     * @return the preferred value.
-     */
-    public int getPreferredValue()
-    {
-      return -s.getPreferredValue();
-    }
-
-    /**
-     * Returns the current value of this Spring.
-     *
-     * @return the current value.
-     */
-    public int getValue()
-    {
-      if (value == Spring.UNSET)
-        {
-	  value = -s.getValue();
-	}
-      return value;
-    }
-
-    /**
-     * Sets the current value.
-     *
-     * @param val the value to be set.
-     */
-    public void setValue(int val)
-    {
-    
-      if (val > getMaximumValue())
-        {
-          value = getMaximumValue();
-	}
-      else if (val < getMinimumValue())
-	{
-          value = getMinimumValue();
-        }
-      else
-	{
-	  value = val;
-        }
-
-    }
-
-  }
-
-
-  /**
-   * A Spring, that is calculated as the maximum of two Springs.
-   *
-   * @author Roman Kennke (roman@ontographics.com)
-   */
-  private static final class MaxSpring extends Spring
-  {
-
-    /** The two other Springs from which to calculate the maximum. */
-    private final Spring s1;
-    private final Spring s2;
-
-    /** The current value of this Spring. */
-    private int value;
-
-    /**
-     * Creates a new MaxSpring object.
-     *
-     * @param s1 the 1st operand.
-     * @param s2 the 2nd operand.
-     */
-    protected MaxSpring(Spring s1, Spring s2)
-    {
-      super();
-      this.s1 = s1;
-      this.s2 = s2;
-      value = Spring.UNSET;
-    }
-
-
-    /**
-     * Returns the maximum value of this Spring.
-     *
-     * @return the maximum value.
-     */
-    public int getMaximumValue()
-    {
-      int max1 = s1.getMaximumValue();
-      int max2 = s2.getMaximumValue();
-      return Math.max(max1, max2);
-    }
-
-    /**
-     * Returns the minimum value of this Spring.
-     *
-     * @return the minimum value.
-     */
-    public int getMinimumValue()
-    {
-      int min1 = s1.getMinimumValue();
-      int min2 = s2.getMinimumValue();
-      return Math.max(min1, min2);
-    }
-
-    /**
-     * Returns the preferred value of this Spring.
-     *
-     * @return the preferred value.
-     */
-    public int getPreferredValue()
-    {
-      int pref1 = s1.getPreferredValue();
-      int pref2 = s2.getPreferredValue();
-      return Math.max(pref1, pref2);
-    }
-
-    /**
-     * Returns the actual value of this Spring.
-     *
-     * @return the current value.
-     */
-    public int getValue()
-    {
-      if (value == Spring.UNSET)
-        {
-          int val1 = s1.getValue();
-          int val2 = s2.getValue();
-          value = Math.max(val1, val2);
-      }
-      return value;
-    }
-
-    /**
-     * Sets the current value.
-     *
-     * @param val the value to be set.
-     */
-    public void setValue(int val)
-    {
-
-      if (val > getMaximumValue())
-        {
-          value = getMaximumValue();
-	}
-      else if (val < getMinimumValue())
-        {
-          value = getMinimumValue();
-        }
-      else
-        {
-          value = val;
-        }
-    }
-  }
-}