| /******************************************************************************* |
| * Copyright (c) 2008 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.equinox.internal.transforms; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.net.URL; |
| |
| /** |
| * This class represents the fundamental building block of the transformer system. |
| * Implementations of this class are capable of transforming an input stream based on a given transformer url. |
| * The meaning and content of this URL are unspecified - it is the transformers responsibility to interpret these as need be. |
| */ |
| public abstract class StreamTransformer { |
| /** |
| * Provided a transformed version of the provided input stream. |
| * @param inputStream the original stream |
| * @param transformerUrl an url that may be used by the transformer in determining the proper transform to invoke. |
| * @return the transformed stream |
| * @throws IOException thrown if there is an issue invoking the transform |
| */ |
| public abstract InputStream getInputStream(InputStream inputStream, URL transformerUrl) throws IOException; |
| } |