Prototype first ikey classes

domain/src/main/java/org/jivesoftware/smackx/ikey/IkeyConstants.java

@@ -0,0 +1,8 @@
+package org.jivesoftware.smackx.ikey;
+
+public class IkeyConstants {
+
+    public static final String NAMESPACE = "urn:xmpp:ikey:0";
+    public static final String IKEY_NODE = NAMESPACE + ":ikey";
+    public static final String SUB_NODE = NAMESPACE + ":sub";
+}

domain/src/main/java/org/jivesoftware/smackx/ikey/IkeyType.java

@@ -0,0 +1,6 @@
+package org.jivesoftware.smackx.ikey;
+
+public enum IkeyType {
+    OX,
+    X509
+}

domain/src/main/java/org/jivesoftware/smackx/ikey/element/PlainIKeyElement.java

@@ -0,0 +1,40 @@
+package org.jivesoftware.smackx.ikey.element;
+
+import org.jivesoftware.smack.packet.ExtensionElement;
+import org.jivesoftware.smack.packet.XmlEnvironment;
+import org.jivesoftware.smack.util.XmlStringBuilder;
+import org.jivesoftware.smackx.ikey.IkeyConstants;
+import org.jivesoftware.smackx.ikey.IkeyType;
+
+import javax.xml.namespace.QName;
+
+public class PlainIKeyElement implements ExtensionElement {
+
+    public static final String NAMESPACE = IkeyConstants.NAMESPACE;
+    public static final String ELEMENT = "ikey";
+    public static final String ATTR_IKEY_TYPE = "type";
+
+    private final IkeyType type;
+
+    private final QName QNAME = new QName(IkeyConstants.NAMESPACE, ELEMENT);
+
+    public PlainIKeyElement() {
+        this.type = IkeyType.OX;
+    }
+
+    @Override
+    public String getNamespace() {
+        return NAMESPACE;
+    }
+
+    @Override
+    public String getElementName() {
+        return ELEMENT;
+    }
+
+    @Override
+    public XmlStringBuilder toXML(XmlEnvironment xmlEnvironment) {
+        XmlStringBuilder xml = new XmlStringBuilder(this, xmlEnvironment);
+        return xml;
+    }
+}

domain/src/main/java/org/jivesoftware/smackx/ikey/element/SubordinateElement.java

@@ -0,0 +1,43 @@
+package org.jivesoftware.smackx.ikey.element;
+
+import org.jivesoftware.smack.packet.NamedElement;
+import org.jivesoftware.smack.packet.XmlEnvironment;
+import org.jivesoftware.smack.util.StringUtils;
+import org.jivesoftware.smack.util.XmlStringBuilder;
+
+public class SubordinateElement implements NamedElement {
+
+    public static final String ELEMENT = "sub";
+    public static final String ATTR_SUB_URI = "uri";
+    public static final String ATTR_SUB_FINGERPRINT = "fingerprint";
+
+    private final String subUri;
+    private final String subFingerprint;
+
+    public SubordinateElement(String subKeyItemUri, String subKeyFingerprint) {
+        this.subUri = StringUtils.requireNotNullNorEmpty(subKeyItemUri, "uri MUST NOT be null nor empty.");
+        this.subFingerprint = StringUtils.requireNotNullNorEmpty(subKeyFingerprint, "fingerprint MUST NOT be null nor empty.");
+    }
+
+    public String getUri() {
+        return subUri;
+    }
+
+    public String getFingerprint() {
+        return subFingerprint;
+    }
+
+    @Override
+    public String getElementName() {
+        return ELEMENT;
+    }
+
+    @Override
+    public XmlStringBuilder toXML(XmlEnvironment xmlEnvironment) {
+        XmlStringBuilder xml = new XmlStringBuilder(this)
+                .attribute(ATTR_SUB_URI, getUri())
+                .attribute(ATTR_SUB_FINGERPRINT, getFingerprint())
+                .closeEmptyElement();
+        return xml;
+    }
+}

domain/src/main/java/org/jivesoftware/smackx/ikey/element/SubordinateListElement.java

@@ -0,0 +1,40 @@
+package org.jivesoftware.smackx.ikey.element;
+
+import org.jivesoftware.smack.packet.ExtensionElement;
+import org.jivesoftware.smack.packet.XmlEnvironment;
+import org.jivesoftware.smack.util.Objects;
+import org.jivesoftware.smack.util.XmlStringBuilder;
+import org.jivesoftware.smackx.ikey.IkeyConstants;
+
+import java.util.List;
+
+public class SubordinateListElement implements ExtensionElement {
+
+    public static final String NAMESPACE = IkeyConstants.NAMESPACE;
+    public static final String ELEMENT = "subordinates";
+
+    private final List<SubordinateElement> subordinates;
+
+    public SubordinateListElement(List<SubordinateElement> subordinates) {
+        this.subordinates = Objects.requireNonNullNorEmpty(subordinates, "List of subordinates MUST NOT be null nor empty.");
+    }
+
+    @Override
+    public String getNamespace() {
+        return NAMESPACE;
+    }
+
+    @Override
+    public String getElementName() {
+        return ELEMENT;
+    }
+
+    @Override
+    public XmlStringBuilder toXML(XmlEnvironment xmlEnvironment) {
+        XmlStringBuilder xml = new XmlStringBuilder(this, xmlEnvironment)
+                .rightAngleBracket()
+                .append(subordinates)
+                .closeElement(this);
+        return xml;
+    }
+}

domain/src/test/java/org/jivesoftware/smackx/ikey/element/SubordinateListElementTest.java

@@ -0,0 +1,24 @@
+package org.jivesoftware.smackx.ikey.element;
+
+import org.junit.Test;
+
+import java.util.Arrays;
+
+public class SubordinateListElementTest {
+
+    @Test
+    public void test() {
+        SubordinateListElement listElement = buildElement(
+                new SubordinateElement("xmpp:hamlet@denmark.lit?;node=urn:xmpp:openpgp:0:public-keys:1357B01865B2503C18453D208CAC2A9678548E35" +
+                        ";item=2020-01-21T10:46:21Z", "1357B01865B2503C18453D208CAC2A9678548E35"),
+                new SubordinateElement("xmpp:hamlet@denmark.lit?;node=urn:xmpp:omemo:1:bundles" +
+                        ";item=123456", "e64dc9166dd34db64c9247bd502c5969e365a98f3aa41c87247d120487fdd32f")
+        );
+
+        System.out.println(listElement.toXML());
+    }
+
+    private SubordinateListElement buildElement(SubordinateElement... subordinateElements) {
+        return new SubordinateListElement(Arrays.asList(subordinateElements));
+    }
+}