added collection utilities

src/main/java/it/inaf/oats/vospace/datamodel/collections/NodeCollection.java

 /*
- * This file is part of vospace-rest
+ * This file is part of vospace-datamodel
  * Copyright (C) 2021 Istituto Nazionale di Astrofisica
  * SPDX-License-Identifier: GPL-3.0-or-later
  */

src/main/java/it/inaf/oats/vospace/datamodel/collections/NodeCollectionsWrapper.java

 /*
- * To change this license header, choose License Headers in Project Properties.
- * To change this template file, choose Tools | Templates
- * and open the template in the editor.
+ * This file is part of vospace-datamodel
+ * Copyright (C) 2021 Istituto Nazionale di Astrofisica
+ * SPDX-License-Identifier: GPL-3.0-or-later
  */
 package it.inaf.oats.vospace.datamodel.collections;
 

src/main/java/it/inaf/oats/vospace/datamodel/collections/NodeDetails.java

+/*
+ * This file is part of vospace-datamodel
+ * Copyright (C) 2021 Istituto Nazionale di Astrofisica
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+package it.inaf.oats.vospace.datamodel.collections;
+
+import javax.xml.bind.annotation.XmlAccessType;
+import javax.xml.bind.annotation.XmlAccessorType;
+import javax.xml.bind.annotation.XmlAttribute;
+import javax.xml.bind.annotation.XmlRootElement;
+
+/**
+ *
+ * @author Nicola Fulvio Calabria <nicola.calabria at inaf.it>
+ */
+@XmlAccessorType(XmlAccessType.FIELD)
+@XmlRootElement(name = "node-details")
+public class NodeDetails {
+
+    @XmlAttribute(name = "node-id", required = true)
+    private Long nodeId;
+
+    @XmlAttribute(name = "node-vos-path", required = true)
+    private String nodeVosPath;
+
+    public NodeDetails() {
+        // no op       
+    }
+
+    public Long getNodeId() {
+        return nodeId;
+    }
+
+    public void setNodeId(Long nodeId) {
+        this.nodeId = nodeId;
+    }
+
+    public String getNodeVosPath() {
+        return nodeVosPath;
+    }
+
+    public void setNodeVosPath(String nodeVosPath) {
+        this.nodeVosPath = nodeVosPath;
+    }
+
+}

src/main/java/it/inaf/oats/vospace/datamodel/collections/NodeDetailsWrapper.java

+/*
+ * This file is part of vospace-datamodel
+ * Copyright (C) 2021 Istituto Nazionale di Astrofisica
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+package it.inaf.oats.vospace.datamodel.collections;
+
+import java.util.ArrayList;
+import java.util.List;
+import javax.xml.bind.annotation.XmlAccessType;
+import javax.xml.bind.annotation.XmlAccessorType;
+import javax.xml.bind.annotation.XmlElement;
+import javax.xml.bind.annotation.XmlElementWrapper;
+import javax.xml.bind.annotation.XmlRootElement;
+
+/**
+ * Wrapper class for REST GET
+ *
+ * @author Nicola Fulvio Calabria <nicola.calabria at inaf.it>
+ */
+@XmlAccessorType(XmlAccessType.FIELD)
+@XmlRootElement(name = "node-details-wrapper")
+public class NodeDetailsWrapper {
+
+    @XmlElementWrapper(name = "node-details-list", required = true)
+    @XmlElement(name = "node-details")
+    private List<NodeDetails> nodeDetails;
+
+    public NodeDetailsWrapper() {
+        nodeDetails = new ArrayList<NodeDetails>();
+    }
+
+    public List<NodeDetails> getNodeDetails() {
+        return nodeDetails;
+    }
+
+    public void setNodeDetails(List<NodeDetails> nodeDetails) {
+        this.nodeDetails = nodeDetails;
+    }
+
+}