Checksum.java
- /**
- *
- * Copyright 2017 Paul Schaub
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
- package org.jivesoftware.smackx.jingle_filetransfer.element;
- import javax.xml.namespace.QName;
- import org.jivesoftware.smack.packet.ExtensionElement;
- import org.jivesoftware.smack.util.Objects;
- import org.jivesoftware.smack.util.XmlStringBuilder;
- import org.jivesoftware.smackx.jingle.element.JingleContent;
- /**
- * Checksum element.
- */
- public class Checksum implements ExtensionElement {
- public static final String ELEMENT = "checksum";
- public static final QName QNAME = new QName(JingleFileTransfer.NAMESPACE_V5, ELEMENT);
- public static final String ATTR_CREATOR = "creator";
- public static final String ATTR_NAME = "name";
- private final JingleContent.Creator creator;
- private final String name;
- private final JingleFileTransferChild file;
- public Checksum(JingleContent.Creator creator, String name, JingleFileTransferChild file) {
- this.creator = creator;
- this.name = name;
- this.file = Objects.requireNonNull(file, "file MUST NOT be null.");
- Objects.requireNonNull(file.getHash(), "file MUST contain at least one hash element.");
- }
- @Override
- public String getElementName() {
- return QNAME.getLocalPart();
- }
- @Override
- public CharSequence toXML(org.jivesoftware.smack.packet.XmlEnvironment enclosingNamespace) {
- XmlStringBuilder sb = new XmlStringBuilder(this);
- sb.optAttribute(ATTR_CREATOR, creator);
- sb.optAttribute(ATTR_NAME, name);
- sb.rightAngleBracket();
- sb.append(file);
- sb.closeElement(this);
- return sb;
- }
- @Override
- public String getNamespace() {
- return QNAME.getNamespaceURI();
- }
- }