Used List<String> instead of String for Transfer target field

src/main/java/net/ivoa/xml/vospace/v2/Transfer.java

@@ -19,6 +19,7 @@ import javax.xml.bind.annotation.XmlAccessType;
 import javax.xml.bind.annotation.XmlAccessorType;
 import javax.xml.bind.annotation.XmlAttribute;
 import javax.xml.bind.annotation.XmlElement;
+import javax.xml.bind.annotation.XmlElements;
 import javax.xml.bind.annotation.XmlRootElement;
 import javax.xml.bind.annotation.XmlSchemaType;
 import javax.xml.bind.annotation.XmlType;
@@ -82,9 +83,12 @@ import javax.xml.bind.annotation.XmlType;
 // </edit>
 public class Transfer {
 
-    @XmlElement(required = true)
+    @XmlElements({
+        @XmlElement(required = true)
+    })
     @XmlSchemaType(name = "anyURI")
-    protected String target;
+    private List<String> target;
+
     protected String direction;
     protected View view;
     @XmlElement(name = "protocol")
@@ -106,7 +110,7 @@ public class Transfer {
      *     {@link String }
      *     
      */
-    public String getTarget() {
+    public List<String> getTarget() {
         return target;
     }
 
@@ -118,7 +122,7 @@ public class Transfer {
      *     {@link String }
      *     
      */
-    public void setTarget(String value) {
+    public void setTarget(List<String> value) {
         this.target = value;
     }
 

src/test/java/net/ivoa/xml/uws/v1/JobSummaryTest.java

@@ -8,6 +8,7 @@ package net.ivoa.xml.uws.v1;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import java.io.StringReader;
 import java.io.StringWriter;
+import java.util.Arrays;
 import javax.xml.bind.JAXB;
 import javax.xml.datatype.DatatypeConfigurationException;
 import javax.xml.datatype.DatatypeFactory;
@@ -62,7 +63,7 @@ public class JobSummaryTest {
      */
     @Test
     public void testDeserializeTransferServiceResponse() throws Exception {
-        String response = "{\"jobId\": \"917c784f814c4a1a91a9d5d1af07dbe9\", \"ownerId\": \"2386\", \"jobType\": \"pullToVoSpace\", \"phase\": \"PENDING\", \"startTime\": null, \"endTime\": null, \"creationTime\": \"2021-02-03T15:05:57.233602\", \"jobInfo\": {\"transfer\": {\"view\": null, \"target\": \"vos://example.com!vospace/szorba/aaa\", \"version\": null, \"direction\": \"pullToVoSpace\", \"keepBytes\": null, \"protocols\": [{\"uri\": \"ia2:async-recall\", \"param\": [{\"uri\": \"ia2:node-type\", \"value\": \"single\"}], \"endpoint\": null}]}}, \"results\": null}";
+        String response = "{\"jobId\": \"917c784f814c4a1a91a9d5d1af07dbe9\", \"ownerId\": \"2386\", \"jobType\": \"pullToVoSpace\", \"phase\": \"PENDING\", \"startTime\": null, \"endTime\": null, \"creationTime\": \"2021-02-03T15:05:57.233602\", \"jobInfo\": {\"transfer\": {\"view\": null, \"target\": [\"vos://example.com!vospace/szorba/aaa\"], \"version\": null, \"direction\": \"pullToVoSpace\", \"keepBytes\": null, \"protocols\": [{\"uri\": \"ia2:async-recall\", \"endpoint\": null}]}}, \"results\": null}";
         MAPPER.readValue(response, JobSummary.class);
     }
 
@@ -77,7 +78,7 @@ public class JobSummaryTest {
 
         Transfer transfer = new Transfer();
         transfer.setVersion("2.1");
-        transfer.setTarget("vos://example.com!vospace/mydata1");
+        transfer.setTarget(Arrays.asList("vos://example.com!vospace/mydata1"));
         transfer.setDirection("pullFromVoSpace");
         Protocol protocol1 = new Protocol();
         protocol1.setUri("ivo://ivoa.net/vospace/core#httpget");
@@ -109,7 +110,7 @@ public class JobSummaryTest {
         Transfer transfer = (Transfer) deserializedJob.getJobInfo().getAny().get(0);
         assertEquals("2.1", transfer.getVersion());
         assertEquals("pullFromVoSpace", transfer.getDirection());
-        assertEquals("vos://example.com!vospace/mydata1", transfer.getTarget());
+        assertArrayEquals(new String[]{"vos://example.com!vospace/mydata1"}, transfer.getTarget().toArray(String[]::new));
 
         Protocol protocol = transfer.getProtocols().get(0);
         assertEquals("ivo://ivoa.net/vospace/core#httpget", protocol.getUri());

src/test/java/net/ivoa/xml/vospace/v2/TransferTest.java

@@ -9,8 +9,11 @@ import com.fasterxml.jackson.databind.ObjectMapper;
 import it.inaf.oats.vospace.datamodel.NodeProperties;
 import java.io.StringReader;
 import java.io.StringWriter;
+import java.util.Arrays;
 import javax.xml.bind.JAXB;
+import static org.junit.jupiter.api.Assertions.assertArrayEquals;
 import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 import org.junit.jupiter.api.Test;
 
 public class TransferTest {
@@ -20,15 +23,31 @@ public class TransferTest {
     private static final String URI_PREFIX = "vos://example.com!vospace";
 
     @Test
-    public void testXmlSerialization() throws Exception {
+    public void testSingleTarget() throws Exception {
 
-        Transfer transfer = getTransfer();
+        Transfer transfer = getBaseTransfer();
+        transfer.setTarget(Arrays.asList(URI_PREFIX + "/mynode"));
+
+        testXmlSerialization(transfer);
+    }
+
+    @Test
+    public void testMultipleTargets() throws Exception {
+
+        Transfer transfer = getBaseTransfer();
+        transfer.setTarget(Arrays.asList(URI_PREFIX + "/mynode1", URI_PREFIX + "/mynode2"));
+
+        testXmlSerialization(transfer);
+    }
+
+    private void testXmlSerialization(Transfer transfer) throws Exception {
 
         String xml;
         try ( StringWriter sw = new StringWriter()) {
             JAXB.marshal(transfer, sw);
             xml = sw.toString();
             System.out.println(xml);
+            assertTrue(xml.contains("<vos:transfer"));
         }
 
         Transfer deserialized;
@@ -39,22 +58,21 @@ public class TransferTest {
         verifyTransfersAreEquals(transfer, deserialized);
     }
 
-    private Transfer getTransfer() {
-        Transfer transfer = new Transfer();
+    private Transfer getBaseTransfer() {
 
-        transfer.setTarget(URI_PREFIX + "/mynode");
-        transfer.setDirection("pullFromVoSpace");        
+        Transfer transfer = new Transfer();
+        transfer.setDirection("pullFromVoSpace");
 
         Protocol protocol = new Protocol();
         protocol.setUri("ivo://ivoa.net/vospace/core#httpget");
         protocol.setEndpoint("http://ia2.inaf.it/data?param1=value1&param2=value2");
 
         transfer.getProtocols().add(protocol);
-        
+
         Param groupWriteParam = new Param();
         groupWriteParam.setUri(NodeProperties.GROUP_WRITE_URI);
         groupWriteParam.setValue("group1 group2");
-        
+
         transfer.getParam().add(groupWriteParam);
 
         return transfer;
@@ -62,7 +80,7 @@ public class TransferTest {
 
     private void verifyTransfersAreEquals(Transfer serialized, Transfer deserialized) {
 
-        assertEquals(serialized.getTarget(), deserialized.getTarget());
+        assertArrayEquals(serialized.getTarget().toArray(String[]::new), deserialized.getTarget().toArray(String[]::new));
         assertEquals(serialized.getDirection(), deserialized.getDirection());
         assertEquals(serialized.getProtocols().size(), deserialized.getProtocols().size());
         assertEquals(serialized.getParam().size(), deserialized.getParam().size());