OpenConcerto

Dépôt officiel du code source de l'ERP OpenConcerto
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svn://code.openconcerto.org/openconcerto

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/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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 *
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 * Copyright 2011 OpenConcerto, by ILM Informatique. All rights reserved.
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 *
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 * The contents of this file are subject to the terms of the GNU General Public License Version 3
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 * only ("GPL"). You may not use this file except in compliance with the License. You can obtain a
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 * copy of the License at http://www.gnu.org/licenses/gpl-3.0.html See the License for the specific
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 * language governing permissions and limitations under the License.
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 *
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 * When distributing the software, include this License Header Notice in each file.
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 */
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 package org.openconcerto.utils.cc;
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public abstract class Transformer<E, T> implements ITransformer<E, T>, IClosure<E>, org.apache.commons.collections.Transformer {
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    private static final ITransformer<Object, Object> nopTransf = new ITransformer<Object, Object>() {
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        @Override
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        public Object transformChecked(Object input) {
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            return input;
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        }
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    };
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    @SuppressWarnings("unchecked")
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    public static final <N> ITransformer<N, N> nopTransformer() {
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        return (ITransformer<N, N>) nopTransf;
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    }
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    @SuppressWarnings("unchecked")
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    public final Object transform(Object input) {
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        return this.transformChecked((E) input);
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    }
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    public abstract T transformChecked(E input);
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    public final void executeChecked(E input) {
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        this.transformChecked(input);
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    }
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}