Java tutorial
/* * Copyright (C) 2012 Jan Pokorsky * * 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 3 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. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package cz.cas.lib.proarc.common.fedora; import com.yourmediashelf.fedora.client.FedoraClient; import com.yourmediashelf.fedora.client.response.DescribeRepositoryResponse; import com.yourmediashelf.fedora.client.response.ListDatastreamsResponse; import com.yourmediashelf.fedora.generated.access.DatastreamType; import com.yourmediashelf.fedora.generated.management.DatastreamProfile; import cz.cas.lib.proarc.common.CustomTemporaryFolder; import cz.cas.lib.proarc.common.dublincore.DcStreamEditor; import cz.cas.lib.proarc.common.fedora.FoxmlUtils.ControlGroup; import cz.cas.lib.proarc.common.fedora.LocalStorage.LocalObject; import cz.cas.lib.proarc.common.fedora.RemoteStorage.RemoteObject; import cz.cas.lib.proarc.common.fedora.RemoteStorage.RemoteXmlStreamEditor; import cz.cas.lib.proarc.common.fedora.XmlStreamEditor.EditorResult; import cz.cas.lib.proarc.common.fedora.relation.RelationEditor; import cz.cas.lib.proarc.common.mods.ModsStreamEditor; import cz.cas.lib.proarc.mods.ModsDefinition; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.File; import java.io.FileOutputStream; import java.io.InputStream; import java.util.List; import javax.ws.rs.core.MediaType; import javax.xml.bind.JAXB; import javax.xml.bind.annotation.XmlAccessType; import javax.xml.bind.annotation.XmlAccessorType; import javax.xml.bind.annotation.XmlRootElement; import javax.xml.transform.Source; import org.apache.commons.io.FileUtils; import org.junit.After; import org.junit.AfterClass; import static org.junit.Assert.*; import org.junit.Before; import org.junit.BeforeClass; import org.junit.Rule; import org.junit.Test; import org.junit.rules.ExpectedException; import org.junit.rules.TestName; /** * * @author Jan Pokorsky */ public class RemoteStorageTest { private static FedoraClient client; private static FedoraTestSupport support; @Rule public TestName test = new TestName(); @Rule public ExpectedException thrown = ExpectedException.none(); @Rule public CustomTemporaryFolder tmp = new CustomTemporaryFolder(); public RemoteStorageTest() { } @BeforeClass public static void setUpClass() throws Exception { support = new FedoraTestSupport(); client = support.getClient(); } @AfterClass public static void tearDownClass() throws Exception { } @Before public void setUp() throws Exception { support.cleanUp(); } @After public void tearDown() { } @Test public void testVersion() throws Exception { RemoteStorage fedora = new RemoteStorage(client); DescribeRepositoryResponse descr = fedora.getRepositoryDescription(true); assertNotNull(descr); String version = descr.getRepositoryVersion(); assertNotNull(version); assertTrue(version, fedora.isCompatible("3.5")); } @Test public void testIngest() throws Exception { RemoteStorage fedora = new RemoteStorage(client); LocalObject object = new LocalStorage().create(); String label = "testing"; object.setLabel(label); fedora.ingest(object, "junit", "{\"key\":\"val\"}"); } @Test public void testIngestPage() throws Exception { RemoteStorage fedora = new RemoteStorage(client); // client.debug(true); LocalObject local = new LocalStorage().create(); // LocalObject local = new LocalStorage().create(new File("/tmp/failing_ingest.foxml")); String model = "model:page"; RelationEditor relsExt = new RelationEditor(local); relsExt.setModel(model); relsExt.write(0, null); ModsStreamEditor modsEditor = new ModsStreamEditor(local); ModsDefinition mods = modsEditor.createPage(local.getPid(), "1", "[1]", "Blank"); DcStreamEditor dcEditor = new DcStreamEditor(local); dcEditor.write(mods, model, 0, null); modsEditor.write(mods, 0, null); StringEditor ocrEditor = StringEditor.ocr(local); ocrEditor.write("ocr", 0, null); File thumb = tmp.newFile(); assertTrue(thumb.exists()); BinaryEditor.dissemination(local, BinaryEditor.THUMB_ID).write(thumb, 0, null); local.flush(); // System.out.println(FoxmlUtils.toXml(local.getDigitalObject(), true)); String label = "testing"; local.setLabel(label); fedora.ingest(local, "junit"); ListDatastreamsResponse response = FedoraClient.listDatastreams(local.getPid()).execute(client); List<DatastreamType> datastreams = response.getDatastreams(); assertDatastream(DcStreamEditor.DATASTREAM_ID, datastreams); assertDatastream(ModsStreamEditor.DATASTREAM_ID, datastreams); assertDatastream(RelationEditor.DATASTREAM_ID, datastreams); assertDatastream(StringEditor.OCR_ID, datastreams); assertDatastream(BinaryEditor.THUMB_ID, datastreams); } @Test public void testPurge() throws Exception { RemoteStorage fedora = new RemoteStorage(client); LocalObject object = new LocalStorage().create(); String label = "testPurge"; object.setLabel(label); fedora.ingest(object, "junit"); assertTrue(object.getPid(), fedora.exist(object.getPid())); RemoteObject robject = fedora.find(object.getPid()); robject.purge("{\"key\":\"val\"}"); assertFalse(object.getPid(), fedora.exist(object.getPid())); } @Test public void testPurgeMissing() throws Exception { RemoteStorage fedora = new RemoteStorage(client); RemoteObject missing = fedora.find("uuid:missing"); thrown.expect(DigitalObjectNotFoundException.class); missing.purge("testPurgeMissing"); } private static void assertDatastream(String id, List<DatastreamType> datastreams) { for (DatastreamType ds : datastreams) { if (id.equals(ds.getDsid())) { return; } } fail(id); } @Test public void testXmlRead() throws Exception { String dsId = "testId"; LocalObject local = new LocalStorage().create(); local.setLabel(test.getMethodName()); String format = "testns"; XmlStreamEditor leditor = local.getEditor(FoxmlUtils.inlineProfile(dsId, format, "label")); EditorResult editorResult = leditor.createResult(); TestXml content = new TestXml("test content"); JAXB.marshal(content, editorResult); leditor.write(editorResult, 0, null); RemoteStorage fedora = new RemoteStorage(client); fedora.ingest(local, "junit"); RemoteObject remote = fedora.find(local.getPid()); RemoteXmlStreamEditor editor = new RemoteXmlStreamEditor(remote, dsId); Source src = editor.read(); assertNotNull(src); TestXml resultContent = JAXB.unmarshal(src, TestXml.class); assertEquals(content, resultContent); long lastModified = editor.getLastModified(); assertTrue(String.valueOf(lastModified), lastModified != 0 && lastModified < System.currentTimeMillis()); assertEquals(format, editor.getProfile().getDsFormatURI()); } @Test(expected = DigitalObjectNotFoundException.class) public void testXmlReadDataStreamOfMissingPid() throws Exception { RemoteStorage fedora = new RemoteStorage(client); LocalObject local = new LocalStorage().create(); local.setLabel(test.getMethodName()); // no ingest! RemoteObject remote = fedora.find(local.getPid()); RemoteXmlStreamEditor editor = new RemoteXmlStreamEditor(remote, FoxmlUtils .managedProfile("managedDatastream", MediaType.TEXT_PLAIN_TYPE, "managedDatastreamLabel")); editor.read(); } /** * test read missing data stream with * {@link RemoteXmlStreamEditor#RemoteXmlStreamEditor(RemoteObject, String) }. */ @Test(expected = DigitalObjectException.class) public void testReadMissingDataStreamFailure() throws Exception { RemoteStorage fedora = new RemoteStorage(client); LocalObject local = new LocalStorage().create(); local.setLabel(test.getMethodName()); fedora.ingest(local, "junit"); RemoteObject remote = fedora.find(local.getPid()); RemoteXmlStreamEditor editor = new RemoteXmlStreamEditor(remote, "missingDatastream"); editor.read(); } @Test public void testPlainTextReadWriteMissingDataStream() throws Exception { RemoteStorage fedora = new RemoteStorage(client); LocalObject local = new LocalStorage().create(); local.setLabel(test.getMethodName()); fedora.ingest(local, "junit"); RemoteObject remote = fedora.find(local.getPid()); RemoteXmlStreamEditor editor = new RemoteXmlStreamEditor(remote, FoxmlUtils .managedProfile("managedDatastream", MediaType.TEXT_PLAIN_TYPE, "managedDatastreamLabel")); InputStream src = editor.readStream(); assertNull(src); long lastModified = editor.getLastModified(); assertEquals(-1, lastModified); assertEquals(MediaType.TEXT_PLAIN, editor.getProfile().getDsMIME()); editor.write("plain text".getBytes("UTF-8"), lastModified, null); remote.flush(); // first test current editor src = editor.readStream(); assertNotNull(src); assertEquals(MediaType.TEXT_PLAIN, editor.getProfile().getDsMIME()); assertTrue(lastModified < editor.getLastModified()); String content = StringEditor.read(src); assertEquals("plain text", content); assertNull(editor.getProfile().getDsFormatURI()); // test new editor editor = new RemoteXmlStreamEditor(remote, FoxmlUtils.managedProfile("managedDatastream", MediaType.TEXT_PLAIN_TYPE, "managedDatastreamLabel")); src = editor.readStream(); assertNotNull(src); assertEquals(MediaType.TEXT_PLAIN, editor.getProfile().getDsMIME()); assertTrue(lastModified < editor.getLastModified()); content = StringEditor.read(src); assertEquals("plain text", content); assertNull(editor.getProfile().getDsFormatURI()); } @Test public void testXmlWrite() throws Exception { String dsId = "testId"; LocalObject local = new LocalStorage().create(); local.setLabel(test.getMethodName()); String format = "testns"; XmlStreamEditor leditor = local.getEditor(FoxmlUtils.inlineProfile(dsId, format, "label")); EditorResult editorResult = leditor.createResult(); TestXml content = new TestXml("test content"); JAXB.marshal(content, editorResult); leditor.write(editorResult, 0, null); RemoteStorage fedora = new RemoteStorage(client); fedora.ingest(local, "junit"); RemoteObject remote = fedora.find(local.getPid()); RemoteXmlStreamEditor editor = new RemoteXmlStreamEditor(remote, dsId); Source src = editor.read(); assertNotNull(src); TestXml resultContent = JAXB.unmarshal(src, TestXml.class); // write modification String expectedContent = "changed test content"; resultContent.data = expectedContent; editorResult = editor.createResult(); JAXB.marshal(resultContent, editorResult); long lastModified = editor.getLastModified(); assertEquals(format, editor.getProfile().getDsFormatURI()); editor.write(editorResult, lastModified, null); remote.flush(); // test current editor assertTrue(lastModified < editor.getLastModified()); long expectLastModified = editor.getLastModified(); resultContent = JAXB.unmarshal(editor.read(), TestXml.class); assertEquals(new TestXml(expectedContent), resultContent); assertEquals(format, editor.getProfile().getDsFormatURI()); // test new editor remote = fedora.find(local.getPid()); editor = new RemoteXmlStreamEditor(remote, dsId); src = editor.read(); assertNotNull(src); resultContent = JAXB.unmarshal(src, TestXml.class); assertEquals(new TestXml(expectedContent), resultContent); long resultLastModified = editor.getLastModified(); assertEquals(expectLastModified, resultLastModified); assertEquals(format, editor.getProfile().getDsFormatURI()); } @Test(expected = DigitalObjectConcurrentModificationException.class) public void testXmlWriteConcurrent() throws Exception { String dsId = "testId"; LocalObject local = new LocalStorage().create(); local.setLabel(test.getMethodName()); XmlStreamEditor leditor = local.getEditor(FoxmlUtils.inlineProfile(dsId, "testns", "label")); EditorResult editorResult = leditor.createResult(); TestXml content = new TestXml("test content"); JAXB.marshal(content, editorResult); leditor.write(editorResult, 0, null); RemoteStorage fedora = new RemoteStorage(client); fedora.ingest(local, "junit"); RemoteObject remote = fedora.find(local.getPid()); RemoteXmlStreamEditor editor = new RemoteXmlStreamEditor(remote, dsId); Source src = editor.read(); assertNotNull(src); TestXml resultContent = JAXB.unmarshal(src, TestXml.class); // concurrent write RemoteObject concurrentRemote = fedora.find(local.getPid()); RemoteXmlStreamEditor concurrentEditor = new RemoteXmlStreamEditor(concurrentRemote, dsId); TestXml concurrentContent = JAXB.unmarshal(concurrentEditor.read(), TestXml.class); concurrentContent.data = "concurrent change"; EditorResult concurrentResult = concurrentEditor.createResult(); JAXB.marshal(concurrentContent, concurrentResult); concurrentEditor.write(concurrentResult, editor.getLastModified(), null); concurrentRemote.flush(); // write out of date modification String expectedContent = "changed test content"; resultContent.data = expectedContent; editorResult = editor.createResult(); JAXB.marshal(resultContent, editorResult); long lastModified = editor.getLastModified(); editor.write(editorResult, lastModified, null); remote.flush(); } @Test public void testDatastreamEditorWriteStream_Managed() throws Exception { LocalStorage storage = new LocalStorage(); LocalObject local = storage.create(); local.setLabel(test.getMethodName()); String dsID = "dsID"; MediaType mime = MediaType.TEXT_PLAIN_TYPE; String label = "label"; DatastreamProfile dsProfile = FoxmlUtils.managedProfile(dsID, mime, label); RemoteStorage fedora = new RemoteStorage(client); fedora.ingest(local, "junit"); byte[] data = "data".getBytes("UTF-8"); RemoteObject remote = fedora.find(local.getPid()); XmlStreamEditor reditor = remote.getEditor(dsProfile); assertNotNull(reditor); reditor.write(new ByteArrayInputStream(data), reditor.getLastModified(), null); // test read cached InputStream is = reditor.readStream(); assertNotNull(is); ByteArrayOutputStream resultData = new ByteArrayOutputStream(); FoxmlUtils.copy(is, resultData); is.close(); assertArrayEquals(data, resultData.toByteArray()); remote.flush(); // test remote read remote = fedora.find(local.getPid()); reditor = remote.getEditor(dsProfile); is = reditor.readStream(); assertNotNull(is); resultData = new ByteArrayOutputStream(); FoxmlUtils.copy(is, resultData); is.close(); assertArrayEquals(data, resultData.toByteArray()); } @Test public void testDatastreamEditorWriteReference_Managed() throws Exception { LocalStorage storage = new LocalStorage(); LocalObject local = storage.create(); local.setLabel(test.getMethodName()); String dsID = "dsID"; MediaType mime = MediaType.TEXT_PLAIN_TYPE; String label = "label"; DatastreamProfile dsProfile = FoxmlUtils.managedProfile(dsID, mime, label); RemoteStorage fedora = new RemoteStorage(client); fedora.ingest(local, "junit"); // prepare referenced contents byte[] data = "data".getBytes("UTF-8"); File file = tmp.newFile(); FileOutputStream fos = new FileOutputStream(file); fos.write(data); fos.close(); RemoteObject remote = fedora.find(local.getPid()); XmlStreamEditor reditor = remote.getEditor(dsProfile); assertNotNull(reditor); reditor.write(file.toURI(), reditor.getLastModified(), null); // test read cached InputStream is = reditor.readStream(); assertNotNull(is); ByteArrayOutputStream resultData = new ByteArrayOutputStream(); FoxmlUtils.copy(is, resultData); is.close(); assertArrayEquals(data, resultData.toByteArray()); remote.flush(); // test remote read remote = fedora.find(local.getPid()); reditor = remote.getEditor(dsProfile); is = reditor.readStream(); assertNotNull(is); resultData = new ByteArrayOutputStream(); FoxmlUtils.copy(is, resultData); is.close(); assertArrayEquals(data, resultData.toByteArray()); } @Test public void testDatastreamEditorWriteReference_External() throws Exception { LocalStorage storage = new LocalStorage(); LocalObject local = storage.create(); local.setLabel(test.getMethodName()); String dsID = "dsID"; MediaType mime = MediaType.TEXT_PLAIN_TYPE; String label = "label"; DatastreamProfile dsProfile = FoxmlUtils.externalProfile(dsID, mime, label); RemoteStorage fedora = new RemoteStorage(client); fedora.ingest(local, support.getTestUser()); // prepare referenced contents byte[] data = "data".getBytes("UTF-8"); File file = tmp.newFile(); FileUtils.writeByteArrayToFile(file, data); RemoteObject remote = fedora.find(local.getPid()); XmlStreamEditor reditor = remote.getEditor(dsProfile); assertNotNull(reditor); reditor.write(file.toURI(), reditor.getLastModified(), "add"); // test read cached InputStream is = reditor.readStream(); assertNotNull(is); ByteArrayOutputStream resultData = new ByteArrayOutputStream(); FoxmlUtils.copy(is, resultData); is.close(); assertArrayEquals(data, resultData.toByteArray()); assertEquals(mime.toString(), reditor.getProfile().getDsMIME()); assertEquals(ControlGroup.EXTERNAL.toExternal(), reditor.getProfile().getDsControlGroup()); // test remote read remote.flush(); remote = fedora.find(local.getPid()); reditor = remote.getEditor(dsProfile); is = reditor.readStream(); assertNotNull(is); resultData = new ByteArrayOutputStream(); FoxmlUtils.copy(is, resultData); is.close(); assertArrayEquals(data, resultData.toByteArray()); assertEquals(mime.toString(), reditor.getProfile().getDsMIME()); assertEquals(ControlGroup.EXTERNAL.toExternal(), reditor.getProfile().getDsControlGroup()); // test update MIME + location MediaType mime2 = MediaType.APPLICATION_OCTET_STREAM_TYPE; byte[] data2 = "data2".getBytes("UTF-8"); File file2 = tmp.newFile(); FileUtils.writeByteArrayToFile(file2, data2); remote = fedora.find(local.getPid()); reditor = remote.getEditor(dsProfile); DatastreamProfile dsProfile2 = FoxmlUtils.externalProfile(dsID, mime2, label); reditor.setProfile(dsProfile2); reditor.write(file2.toURI(), reditor.getLastModified(), "update"); remote.flush(); remote = fedora.find(local.getPid()); reditor = remote.getEditor(dsProfile); is = reditor.readStream(); assertNotNull(is); resultData = new ByteArrayOutputStream(); FoxmlUtils.copy(is, resultData); is.close(); assertArrayEquals(data2, resultData.toByteArray()); assertEquals(mime2.toString(), reditor.getProfile().getDsMIME()); assertEquals(ControlGroup.EXTERNAL.toExternal(), reditor.getProfile().getDsControlGroup()); } @Test public void testDatastreamEditorRewriteControlGroup() throws Exception { // prepare referenced contents byte[] data1 = "data1".getBytes("UTF-8"); File file1 = tmp.newFile(); FileUtils.writeByteArrayToFile(file1, data1); byte[] data2 = "data2".getBytes("UTF-8"); File file2 = tmp.newFile(); FileUtils.writeByteArrayToFile(file2, data2); LocalStorage storage = new LocalStorage(); LocalObject local = storage.create(); System.out.println(local.getPid()); local.setLabel(test.getMethodName()); String dsID = "dsID"; String label = "label"; MediaType mime1 = MediaType.APPLICATION_OCTET_STREAM_TYPE; DatastreamProfile dsProfile1 = FoxmlUtils.managedProfile(dsID, mime1, label); XmlStreamEditor leditor = local.getEditor(dsProfile1); assertNotNull(leditor); leditor.write(file1.toURI(), leditor.getLastModified(), null); local.flush(); RemoteStorage fedora = new RemoteStorage(client); fedora.ingest(local, support.getTestUser()); MediaType mime2 = MediaType.TEXT_PLAIN_TYPE; DatastreamProfile dsProfile2 = FoxmlUtils.externalProfile(dsID, mime2, label); RemoteObject remote = fedora.find(local.getPid()); XmlStreamEditor reditor = remote.getEditor(dsProfile1); assertNotNull(reditor); reditor.setProfile(dsProfile2); reditor.write(file2.toURI(), reditor.getLastModified(), null); // test read cached InputStream is = reditor.readStream(); assertNotNull(is); ByteArrayOutputStream resultData = new ByteArrayOutputStream(); FoxmlUtils.copy(is, resultData); is.close(); assertArrayEquals(data2, resultData.toByteArray()); assertEquals(mime2.toString(), reditor.getProfile().getDsMIME()); assertEquals(ControlGroup.EXTERNAL.toExternal(), reditor.getProfile().getDsControlGroup()); // test remote read remote.flush(); remote = fedora.find(local.getPid()); reditor = remote.getEditor(dsProfile1); is = reditor.readStream(); assertNotNull(is); resultData = new ByteArrayOutputStream(); FoxmlUtils.copy(is, resultData); is.close(); assertArrayEquals(data2, resultData.toByteArray()); assertEquals(mime2.toString(), reditor.getProfile().getDsMIME()); assertEquals(ControlGroup.EXTERNAL.toExternal(), reditor.getProfile().getDsControlGroup()); } @Test public void testSetDatastreamProfile() throws Exception { RemoteStorage fedora = new RemoteStorage(client); LocalObject local = new LocalStorage().create(); local.setLabel(test.getMethodName()); fedora.ingest(local, "junit"); RemoteObject remote = fedora.find(local.getPid()); String dsId = "missingDatastream"; MediaType mime = MediaType.TEXT_PLAIN_TYPE; // first test missing datastream RemoteXmlStreamEditor editor = new RemoteXmlStreamEditor(remote, FoxmlUtils.managedProfile(dsId, mime, "defaultLabel")); DatastreamProfile profile = editor.getProfile(); assertEquals(mime.toString(), profile.getDsMIME()); String expectedLabel = "label1"; profile.setDsLabel(expectedLabel); editor.setProfile(profile); editor.write(new byte[2], editor.getLastModified(), "write1"); remote.flush(); editor = new RemoteXmlStreamEditor(remote, FoxmlUtils.managedProfile(dsId, mime, "")); profile = editor.getProfile(); assertEquals(mime.toString(), profile.getDsMIME()); assertEquals(expectedLabel, profile.getDsLabel()); // test existing datastream expectedLabel = "label2"; MediaType newMime = MediaType.TEXT_HTML_TYPE; profile = editor.getProfile(); profile.setDsMIME(newMime.toString()); profile.setDsLabel(expectedLabel); editor.setProfile(profile); editor.write(new byte[2], editor.getLastModified(), "write2"); profile = editor.getProfile(); assertEquals(newMime.toString(), profile.getDsMIME()); assertEquals(expectedLabel, profile.getDsLabel()); remote.flush(); editor = new RemoteXmlStreamEditor(remote, FoxmlUtils.managedProfile(dsId, mime, "")); profile = editor.getProfile(); assertEquals(newMime.toString(), profile.getDsMIME()); assertEquals(expectedLabel, profile.getDsLabel()); // test standalone profile change (without content) newMime = MediaType.APPLICATION_JSON_TYPE; expectedLabel = "label3"; profile.setDsMIME(newMime.toString()); profile.setDsLabel(expectedLabel); editor.setProfile(profile); remote.flush(); editor = new RemoteXmlStreamEditor(remote, FoxmlUtils.managedProfile(dsId, mime, "")); profile = editor.getProfile(); assertEquals(newMime.toString(), profile.getDsMIME()); assertEquals(expectedLabel, profile.getDsLabel()); } @Test public void testGetStreamProfile() throws Exception { String dsId = "testId"; LocalObject local = new LocalStorage().create(); local.setLabel(test.getMethodName()); String format = "testns"; XmlStreamEditor leditor = local.getEditor(FoxmlUtils.inlineProfile(dsId, format, "label")); EditorResult editorResult = leditor.createResult(); TestXml content = new TestXml("test content"); JAXB.marshal(content, editorResult); leditor.write(editorResult, 0, null); RemoteStorage fedora = new RemoteStorage(client); fedora.ingest(local, support.getTestUser()); RemoteObject remote = fedora.find(local.getPid()); List<DatastreamProfile> resultProfiles = remote.getStreamProfile(null); assertNotNull(resultProfiles); assertEquals(2, resultProfiles.size()); // + DC assertEquals(dsId, resultProfiles.get(0).getDsID()); } @Test public void testObjectNotFound() throws Exception { RemoteStorage fedora = new RemoteStorage(client); RemoteObject remote = fedora.find("prefix:unknown"); try { remote.asText(); } catch (DigitalObjectNotFoundException ex) { // ok } } @XmlRootElement(namespace = "testns") @XmlAccessorType(XmlAccessType.FIELD) public static class TestXml { String data; public TestXml() { } public TestXml(String data) { this.data = data; } @Override public boolean equals(Object obj) { if (obj == null) { return false; } if (getClass() != obj.getClass()) { return false; } final TestXml other = (TestXml) obj; if ((this.data == null) ? (other.data != null) : !this.data.equals(other.data)) { return false; } return true; } @Override public String toString() { return "TestXml{" + "data=" + data + '}'; } } }