| /******************************************************************************* |
| * Copyright (c) 2009, 2019 Xored Software Inc and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-v20.html |
| * |
| * Contributors: |
| * Xored Software Inc - initial API and implementation and/or initial documentation |
| *******************************************************************************/ |
| package org.eclipse.rcptt.ecl.filesystem.internal; |
| |
| import java.io.IOException; |
| import java.net.URI; |
| import java.net.URISyntaxException; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.rcptt.ecl.filesystem.EclFile; |
| |
| public class CompositeEclFileResolver implements EclFileResolver { |
| |
| private final List<EclFileResolver> children = new ArrayList<EclFileResolver>(); |
| |
| public void add(EclFileResolver resolver) { |
| children.add(resolver); |
| } |
| |
| @Override |
| public EclFile resolve(URI uri) throws IOException { |
| EclFile result = resolveRaw(uri); |
| if (result != null) { |
| return result; |
| } |
| try { |
| uri = new URI("file", null, uri.getPath(), null); |
| } catch (URISyntaxException e) { |
| throw new IOException(e.getMessage()); |
| } |
| result = resolveRaw(uri); |
| if (result != null) { |
| return result; |
| } |
| throw new IOException("failed to resolve " + uri); |
| } |
| |
| private EclFile resolveRaw(URI uri) throws IOException { |
| for (EclFileResolver child : children) { |
| EclFile rv = child.resolve(uri); |
| if (rv != null) |
| return rv; |
| } |
| return null; |
| } |
| |
| } |