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Diffstat (limited to 'src/com/isode/stroke/serializer/payloadserializers/BlockSerializer.java')
-rw-r--r-- | src/com/isode/stroke/serializer/payloadserializers/BlockSerializer.java | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/src/com/isode/stroke/serializer/payloadserializers/BlockSerializer.java b/src/com/isode/stroke/serializer/payloadserializers/BlockSerializer.java new file mode 100644 index 0000000..2bdfea9 --- /dev/null +++ b/src/com/isode/stroke/serializer/payloadserializers/BlockSerializer.java @@ -0,0 +1,55 @@ +/* Copyright (c) 2016, Isode Limited, London, England. + * All rights reserved. + * + * Acquisition and use of this software and related materials for any + * purpose requires a written license agreement from Isode Limited, + * or a written license from an organisation licensed by Isode Limited + * to grant such a license. + * + */ +package com.isode.stroke.serializer.payloadserializers; + +import com.isode.stroke.elements.AbstractBlockPayload; +import com.isode.stroke.jid.JID; +import com.isode.stroke.serializer.GenericPayloadSerializer; +import com.isode.stroke.serializer.xml.XMLElement; + +/** + * Abstract class for serializing pay loads of type {@link AbstractBlockPayload} + * + * @param <T> Type of {@link AbstractBlockPayload} to serialize + */ +public abstract class BlockSerializer<T extends AbstractBlockPayload> extends GenericPayloadSerializer<T> { + /* + * Note this is slightly different to Swiften code as templates in C++ work + * different to Java Generics. In Swiften there exits a BlockSerialize template + * for which instances can be created of type <BlockPayload>, <BlockListPayload> and + * <UnblockPayload>. In Java as we need to pass an instance of the class to the constructor + * (which we can't do with generics) we need to create specific sub types for each of + * the different Block payloads. + */ + + private final String tag; + + /** + * Constructor + * @param c Class of the {@link AbstractBlockPayload} that this will serialize + * @param tag Tag for the XML element to serialize + */ + protected BlockSerializer(Class<T> c,String tag) { + super(c); + this.tag = tag; + } + + @Override + protected String serializePayload(T payload) { + XMLElement element = new XMLElement(tag,"urn:xmpp:blocking"); + for (JID jid : payload.getItems()) { + XMLElement item = new XMLElement("item"); + item.setAttribute("jid", jid.toString()); + element.addNode(item); + } + return element.serialize(); + } + +} |