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 org.junit.Assert.assertEquals; import static org.junit.Assert.assertNotNull; import static org.junit.Assert.assertTrue; import java.io.OutputStream; import java.net.URI; import java.nio.charset.Charset; import java.nio.file.Files; import java.nio.file.Path; import java.nio.file.StandardCopyOption; import java.nio.file.StandardOpenOption; import org.apache.taverna.robundle.Bundle; import org.apache.taverna.robundle.Bundles; import org.junit.Test; public class TestExample { @Test public void example() throws Exception { // Create a new (temporary) RO bundle Bundle bundle = Bundles.createBundle(); // Get the inputs Path inputs = bundle.getRoot().resolve("inputs"); Files.createDirectory(inputs); // Get an input port: Path in1 = inputs.resolve("in1"); // Setting a string value for the input port: Bundles.setStringValue(in1, "Hello"); // And retrieving it assertTrue(Bundles.isValue(in1)); assertEquals("Hello", Bundles.getStringValue(in1)); // Or just use the regular Files methods: int lines = 0; for (String line : Files.readAllLines(in1, Charset.forName("UTF-8"))) { assertEquals("Hello", line); lines++; } assertEquals(1, lines); // Binaries and large files are done through the Files API try (OutputStream out = Files.newOutputStream(in1, StandardOpenOption.APPEND)) { out.write(32); } // Or Java 7 style Path localFile = Files.createTempFile("", ".txt"); Files.copy(in1, localFile, StandardCopyOption.REPLACE_EXISTING); //System.out.println("Written to: " + localFile); Files.copy(localFile, bundle.getRoot().resolve("out1")); // Representing references URI ref = URI.create("http://example.com/external.txt"); Path out3 = bundle.getRoot().resolve("out3"); Bundles.setReference(out3, ref); if (Bundles.isReference(out3)) { URI resolved = Bundles.getReference(out3); assertNotNull(resolved); //System.out.println(resolved); } // Saving a bundle: Path zip = Files.createTempFile("bundle", ".zip"); Bundles.closeAndSaveBundle(bundle, zip); // NOTE: From now "bundle" and its Path's are CLOSED // and can no longer be accessed //System.out.println("Saved to " + zip); // Loading a bundle back from disk try (Bundle bundle2 = Bundles.openBundle(zip)) { assertEquals(zip, bundle2.getSource()); } // if (Desktop.isDesktopSupported()) { // // Open ZIP file for browsing // Desktop.getDesktop().open(zip.toFile()); // } } }