| package org.apache.taverna.robundle; |
| |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| |
| import static java.nio.file.Files.deleteIfExists; |
| import static java.nio.file.Files.exists; |
| import static java.nio.file.Files.newInputStream; |
| import static org.apache.taverna.robundle.Bundles.getManifestPath; |
| |
| import java.io.Closeable; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.nio.file.FileSystem; |
| import java.nio.file.Path; |
| |
| import org.apache.taverna.robundle.fs.BundleFileSystem; |
| import org.apache.taverna.robundle.manifest.Manifest; |
| import org.apache.taverna.robundle.manifest.RDFToManifest; |
| import org.apache.taverna.robundle.manifest.combine.CombineManifest; |
| import org.apache.taverna.robundle.manifest.odf.ODFManifest; |
| |
| public class Bundle implements Closeable { |
| private boolean deleteOnClose; |
| private Manifest manifest; |
| private final Path root; |
| |
| public Bundle(Path root, boolean deleteOnClose) { |
| this.root = root; |
| this.setDeleteOnClose(deleteOnClose); |
| } |
| |
| @Override |
| public void close() throws IOException { |
| close(isDeleteOnClose()); |
| } |
| |
| protected void close(boolean deleteOnClose) throws IOException { |
| if (!getFileSystem().isOpen()) |
| return; |
| |
| if (!deleteOnClose) { |
| // update manifest |
| getManifest().populateFromBundle(); |
| getManifest().writeAsJsonLD(); |
| if (ODFManifest.containsManifest(this)) |
| getManifest().writeAsODFManifest(); |
| if (CombineManifest.containsManifest(this)) |
| getManifest().writeAsCombineManifest(); |
| } else { |
| /* |
| * FIXME: Enable this if closing temporary bundles is slow doing |
| * closing (as those files are being compressed): |
| * RecursiveDeleteVisitor.deleteRecursively(getRoot()); |
| */ |
| } |
| getFileSystem().close(); |
| if (deleteOnClose) |
| deleteIfExists(getSource()); |
| } |
| |
| public FileSystem getFileSystem() { |
| return getRoot().getFileSystem(); |
| } |
| |
| public Manifest getManifest() throws IOException { |
| if (manifest == null) |
| synchronized (this) { |
| if (manifest == null) |
| manifest = readOrPopulateManifest(); |
| } |
| return manifest; |
| } |
| |
| public Path getPath(String path) { |
| return getRoot().resolve(path); |
| } |
| |
| public Path getRoot() { |
| return root; |
| } |
| |
| public Path getSource() { |
| BundleFileSystem fs = (BundleFileSystem) getFileSystem(); |
| return fs.getSource(); |
| } |
| |
| public boolean isDeleteOnClose() { |
| return deleteOnClose; |
| } |
| |
| protected Manifest readOrPopulateManifest() throws IOException { |
| Manifest newManifest = new Manifest(this); |
| Path manifestPath = getManifestPath(this); |
| if (exists(manifestPath)) { |
| try (InputStream manifestStream = newInputStream(manifestPath)) { |
| new RDFToManifest().readTo(manifestStream, newManifest, |
| manifestPath.toUri()); |
| } |
| // TODO: Also support reading manifest.rdf? |
| } else if (ODFManifest.containsManifest(this)) { |
| new ODFManifest(newManifest).readManifestXML(); |
| } else if (CombineManifest.containsManifest(this)) { |
| new CombineManifest(newManifest).readCombineArchive(); |
| } else { |
| // Fallback (might be a fresh or 3rd party bundle), populate from |
| // zip content |
| newManifest.populateFromBundle(); |
| } |
| return newManifest; |
| } |
| |
| public void setDeleteOnClose(boolean deleteOnClose) { |
| this.deleteOnClose = deleteOnClose; |
| } |
| } |