diff options
Diffstat (limited to 'common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/transformer/FactoryTransformer.java')
-rw-r--r-- | common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/transformer/FactoryTransformer.java | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/transformer/FactoryTransformer.java b/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/transformer/FactoryTransformer.java new file mode 100644 index 0000000000..df77b9e198 --- /dev/null +++ b/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/transformer/FactoryTransformer.java @@ -0,0 +1,47 @@ +/******************************************************************************* + * Copyright (c) 2013 Oracle. All rights reserved. + * This program and the accompanying materials are made available under the + * terms of the Eclipse Public License v1.0, which accompanies this distribution + * and is available at http://www.eclipse.org/legal/epl-v10.html. + * + * Contributors: + * Oracle - initial API and implementation + ******************************************************************************/ +package org.eclipse.jpt.common.utility.internal.transformer; + +import org.eclipse.jpt.common.utility.factory.Factory; +import org.eclipse.jpt.common.utility.internal.ObjectTools; +import org.eclipse.jpt.common.utility.transformer.Transformer; + +/** + * Adapt a {@link Factory} to the {@link Transformer} interface. + * + * @param <I> input: the type of the object passed to the transformer; + * ignored + * @param <O> output: the type of the object returned by the transformer; + * as generated by the factory + * + * @see org.eclipse.jpt.common.utility.internal.factory.TransformerFactory + */ +public class FactoryTransformer<I, O> + implements Transformer<I, O> +{ + private final Factory<? extends O> factory; + + public FactoryTransformer(Factory<? extends O> factory) { + super(); + if (factory == null) { + throw new NullPointerException(); + } + this.factory = factory; + } + + public O transform(I input) { + return this.factory.create(); + } + + @Override + public String toString() { + return ObjectTools.toString(this, this.factory); + } +} |