/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
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 * This code 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
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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package sun.font;

import java.awt.Rectangle;
import java.awt.Shape;
import java.awt.geom.AffineTransform;
import java.awt.geom.PathIterator;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;

To avoid people downcasting Shape to a known mutable subclass and mucking with its internals, we need to interpose a subclass that cannot be mutated or downcasted.
/** * To avoid people downcasting Shape to a known mutable subclass and * mucking with its internals, we need to interpose a subclass that * cannot be mutated or downcasted. */
public final class DelegatingShape implements Shape { Shape delegate; public DelegatingShape(Shape delegate) { this.delegate = delegate; } public Rectangle getBounds() { return delegate.getBounds(); // assumes all delegates are immutable via the returned Rectangle } public Rectangle2D getBounds2D() { return delegate.getBounds2D(); // assumes all delegates are immutable via the returned Rectangle2D } public boolean contains(double x, double y) { return delegate.contains(x, y); } public boolean contains(Point2D p) { return delegate.contains(p); } public boolean intersects(double x, double y, double w, double h) { return delegate.intersects(x, y, w, h); } public boolean intersects(Rectangle2D r) { return delegate.intersects(r); } public boolean contains(double x, double y, double w, double h) { return delegate.contains(x, y, w, h); } public boolean contains(Rectangle2D r) { return delegate.contains(r); } public PathIterator getPathIterator(AffineTransform at) { return delegate.getPathIterator(at); } public PathIterator getPathIterator(AffineTransform at, double flatness) { return delegate.getPathIterator(at, flatness); } }