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/*******************************************************************************
* Copyright (c) 2000, 2015 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.ui.keys;
import org.eclipse.jface.bindings.keys.IKeyLookup;
import org.eclipse.jface.bindings.keys.KeyLookupFactory;
import org.eclipse.ui.internal.util.Util;
/**
* <p>
* <code>Key</code> is the abstract base class for all objects representing
* keys on the keyboard.
* </p>
* <p>
* All <code>Key</code> objects have a formal string representation, called
* the 'name' of the key, available via the <code>toString()</code> method.
* </p>
* <p>
* All <code>Key</code> objects, via the <code>format()</code> method,
* provide a version of their formal string representation translated by
* platform and locale, suitable for display to a user.
* </p>
* <p>
* <code>Key</code> objects are immutable. Clients are not permitted to extend
* this class.
* </p>
*
* @deprecated Please use org.eclipse.jface.bindings.keys.KeyStroke and
* org.eclipse.jface.bindings.keys.KeyLookupFactory
* @since 3.0
* @noextend This class is not intended to be subclassed by clients.
*/
@Deprecated
public abstract class Key implements Comparable {
/**
* The key from which this key was constructed. This value is defined by
* <code>KeyLookupFactory.getDefault()</code>.
*/
protected final int key;
/**
* Constructs an instance of <code>Key</code> given its formal string
* representation.
*
* @param key
* the integer representation of this key, as defined by
* <code>KeyLookupFactory.getDefault()</code>.
*/
Key(final int key) {
this.key = key;
}
/**
* @see java.lang.Comparable#compareTo(java.lang.Object)
*/
@Override
public final int compareTo(final Object object) {
return Util.compare(key, ((Key) object).key);
}
@Override
public final boolean equals(final Object object) {
if (!(object instanceof Key)) {
return false;
}
return key == ((Key) object).key;
}
@Override
public final int hashCode() {
return Util.hashCode(key);
}
/**
* Returns the formal string representation for this key.
*
* @return The formal string representation for this key. Guaranteed not to
* be <code>null</code>.
*/
@Override
public final String toString() {
final IKeyLookup lookup = KeyLookupFactory.getDefault();
return lookup.formalNameLookup(key);
}
}
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