Java tutorial
package ch.cyberduck.core.manta; /* * Copyright (c) 2002-2017 iterate GmbH. All rights reserved. * https://cyberduck.io/ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ import ch.cyberduck.core.AlphanumericRandomStringService; import ch.cyberduck.core.DisabledConnectionCallback; import ch.cyberduck.core.DisabledLoginCallback; import ch.cyberduck.core.Path; import ch.cyberduck.core.PathAttributes; import ch.cyberduck.core.features.Delete; import ch.cyberduck.core.http.HttpResponseOutputStream; import ch.cyberduck.core.shared.DefaultFindFeature; import ch.cyberduck.core.transfer.TransferStatus; import ch.cyberduck.test.IntegrationTest; import org.apache.commons.io.IOUtils; import org.apache.commons.lang3.RandomUtils; import org.junit.Test; import org.junit.experimental.categories.Category; import java.io.ByteArrayInputStream; import java.io.InputStream; import java.util.Collections; import java.util.EnumSet; import static org.junit.Assert.*; @Category(IntegrationTest.class) public class MantaWriteFeatureTest extends AbstractMantaTest { @Test public void testWrite() throws Exception { final MantaWriteFeature feature = new MantaWriteFeature(session); final Path container = new MantaDirectoryFeature(session).mkdir(randomDirectory(), "", new TransferStatus()); final byte[] content = RandomUtils.nextBytes(5 * 1024 * 1024); final TransferStatus status = new TransferStatus(); status.setLength(content.length); final Path file = new Path(container, new AlphanumericRandomStringService().random(), EnumSet.of(Path.Type.file)); final HttpResponseOutputStream<Void> out = feature.write(file, status, new DisabledConnectionCallback()); final ByteArrayInputStream in = new ByteArrayInputStream(content); final byte[] buffer = new byte[32 * 1024]; assertEquals(content.length, IOUtils.copyLarge(in, out, buffer)); in.close(); out.close(); assertNull(out.getStatus()); assertTrue(new DefaultFindFeature(session).find(file)); final byte[] compare = new byte[content.length]; final InputStream stream = new MantaReadFeature(session).read(file, new TransferStatus().length(content.length), new DisabledConnectionCallback()); IOUtils.readFully(stream, compare); stream.close(); assertArrayEquals(content, compare); new MantaDeleteFeature(session).delete(Collections.singletonList(container), new DisabledLoginCallback(), new Delete.DisabledCallback()); } @Test public void testWriteUnknownLength() throws Exception { final MantaWriteFeature feature = new MantaWriteFeature(session); final Path container = randomDirectory(); new MantaDirectoryFeature(session).mkdir(container, "", new TransferStatus()); final byte[] content = RandomUtils.nextBytes(5 * 1024 * 1024); final TransferStatus status = new TransferStatus(); status.setLength(-1L); final Path file = new Path(container, new AlphanumericRandomStringService().random(), EnumSet.of(Path.Type.file)); final HttpResponseOutputStream<Void> out = feature.write(file, status, new DisabledConnectionCallback()); final ByteArrayInputStream in = new ByteArrayInputStream(content); final int alloc = 1024; final byte[] buffer = new byte[alloc]; assertEquals(content.length, IOUtils.copyLarge(in, out, buffer)); out.close(); final PathAttributes found = new MantaAttributesFinderFeature(session).find(file); assertEquals(found.getSize(), content.length); new MantaDeleteFeature(session).delete(Collections.singletonList(file), new DisabledLoginCallback(), new Delete.DisabledCallback()); } }