Java tutorial
package ch.cyberduck.core.googledrive; /* * Copyright (c) 2002-2016 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.DisabledConnectionCallback; import ch.cyberduck.core.DisabledListProgressListener; import ch.cyberduck.core.DisabledLoginCallback; import ch.cyberduck.core.Path; import ch.cyberduck.core.PathAttributes; import ch.cyberduck.core.PathCache; import ch.cyberduck.core.features.Delete; import ch.cyberduck.core.features.Write; import ch.cyberduck.core.io.StreamCopier; 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.io.OutputStream; import java.util.Collections; import java.util.EnumSet; import java.util.UUID; import static org.junit.Assert.*; @Category(IntegrationTest.class) public class DriveWriteFeatureTest extends AbstractDriveTest { @Test public void testWrite() throws Exception { final Path test = new Path(new DriveHomeFinderService(session).find(), UUID.randomUUID().toString(), EnumSet.of(Path.Type.file)); { final TransferStatus status = new TransferStatus(); status.setMime("x-application/cyberduck"); final byte[] content = RandomUtils.nextBytes(2048); status.setLength(content.length); final OutputStream out = new DriveWriteFeature(session).write(test, status, new DisabledConnectionCallback()); assertNotNull(out); new StreamCopier(new TransferStatus(), new TransferStatus()).transfer(new ByteArrayInputStream(content), out); out.close(); test.attributes().setVersionId( new DriveFileidProvider(session).getFileid(test, new DisabledListProgressListener())); assertTrue(new DefaultFindFeature(session).find(test)); final PathAttributes attributes = session.list(test.getParent(), new DisabledListProgressListener()) .get(test).attributes(); assertEquals(content.length, attributes.getSize()); final Write.Append append = new DriveWriteFeature(session).append(test, status.getLength(), PathCache.empty()); assertTrue(append.override); assertEquals(content.length, append.size, 0L); final byte[] buffer = new byte[content.length]; final InputStream in = new DriveReadFeature(session).read(test, new TransferStatus(), new DisabledConnectionCallback()); IOUtils.readFully(in, buffer); in.close(); assertArrayEquals(content, buffer); assertEquals("x-application/cyberduck", session.getClient().files().get(test.attributes().getVersionId()).execute().getMimeType()); } { final TransferStatus status = new TransferStatus(); status.setMime("x-application/cyberduck"); status.setExists(true); final byte[] content = RandomUtils.nextBytes(1024); status.setLength(content.length); final OutputStream out = new DriveWriteFeature(session).write(test, status, new DisabledConnectionCallback()); assertNotNull(out); new StreamCopier(new TransferStatus(), new TransferStatus()).transfer(new ByteArrayInputStream(content), out); out.close(); final PathAttributes attributes = session.list(test.getParent(), new DisabledListProgressListener()) .get(test).attributes(); assertEquals(content.length, attributes.getSize()); assertEquals("x-application/cyberduck", session.getClient().files().get(test.attributes().getVersionId()).execute().getMimeType()); } new DriveDeleteFeature(session).delete(Collections.singletonList(test), new DisabledLoginCallback(), new Delete.DisabledCallback()); } }