JingleS5BTransport.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.transports.jingle_s5b.elements;
- import java.util.ArrayList;
- import java.util.List;
- import javax.xml.namespace.QName;
- import org.jivesoftware.smack.packet.ExtensionElement;
- import org.jivesoftware.smack.util.StringUtils;
- import org.jivesoftware.smack.util.XmlStringBuilder;
- import org.jivesoftware.smackx.bytestreams.socks5.packet.Bytestream;
- import org.jivesoftware.smackx.jingle.element.JingleContentTransport;
- import org.jivesoftware.smackx.jingle.element.JingleContentTransportCandidate;
- import org.jivesoftware.smackx.jingle.element.JingleContentTransportInfo;
- /**
- * Socks5Bytestream transport element.
- */
- public class JingleS5BTransport extends JingleContentTransport implements ExtensionElement {
- public static final String NAMESPACE_V1 = "urn:xmpp:jingle:transports:s5b:1";
- public static final String ATTR_DSTADDR = "dstaddr";
- public static final String ATTR_MODE = "mode";
- public static final String ATTR_SID = "sid";
- public static final QName QNAME = new QName(NAMESPACE_V1, ELEMENT);
- private final String streamId;
- private final String dstAddr;
- private final Bytestream.Mode mode;
- protected JingleS5BTransport(List<JingleContentTransportCandidate> candidates, JingleContentTransportInfo info, String streamId, String dstAddr, Bytestream.Mode mode) {
- super(candidates, info);
- StringUtils.requireNotNullNorEmpty(streamId, "sid MUST be neither null, nor empty.");
- this.streamId = streamId;
- this.dstAddr = dstAddr;
- this.mode = mode;
- }
- public String getStreamId() {
- return streamId;
- }
- public String getDestinationAddress() {
- return dstAddr;
- }
- public Bytestream.Mode getMode() {
- return mode == null ? Bytestream.Mode.tcp : mode;
- }
- @Override
- public String getNamespace() {
- return QNAME.getNamespaceURI();
- }
- @Override
- protected void addExtraAttributes(XmlStringBuilder xml) {
- xml.optAttribute(ATTR_DSTADDR, dstAddr);
- xml.optAttribute(ATTR_MODE, mode);
- xml.attribute(ATTR_SID, streamId);
- }
- public boolean hasCandidate(String candidateId) {
- return getCandidate(candidateId) != null;
- }
- public JingleS5BTransportCandidate getCandidate(String candidateId) {
- for (JingleContentTransportCandidate c : candidates) {
- JingleS5BTransportCandidate candidate = (JingleS5BTransportCandidate) c;
- if (candidate.getCandidateId().equals(candidateId)) {
- return candidate;
- }
- }
- return null;
- }
- public static Builder getBuilder() {
- return new Builder();
- }
- public static class Builder {
- private String streamId;
- private String dstAddr;
- private Bytestream.Mode mode;
- private final ArrayList<JingleContentTransportCandidate> candidates = new ArrayList<>();
- private JingleContentTransportInfo info;
- public Builder setStreamId(String sid) {
- this.streamId = sid;
- return this;
- }
- public Builder setDestinationAddress(String dstAddr) {
- this.dstAddr = dstAddr;
- return this;
- }
- public Builder setMode(Bytestream.Mode mode) {
- this.mode = mode;
- return this;
- }
- public Builder addTransportCandidate(JingleS5BTransportCandidate candidate) {
- if (info != null) {
- throw new IllegalStateException("Builder has already an info set. " +
- "The transport can only have either an info or transport candidates, not both.");
- }
- this.candidates.add(candidate);
- return this;
- }
- public Builder setTransportInfo(JingleContentTransportInfo info) {
- if (!candidates.isEmpty()) {
- throw new IllegalStateException("Builder has already at least one candidate set. " +
- "The transport can only have either an info or transport candidates, not both.");
- }
- if (this.info != null) {
- throw new IllegalStateException("Builder has already an info set.");
- }
- this.info = info;
- return this;
- }
- public Builder setCandidateUsed(String candidateId) {
- return setTransportInfo(new JingleS5BTransportInfo.CandidateUsed(candidateId));
- }
- public Builder setCandidateActivated(String candidateId) {
- return setTransportInfo(new JingleS5BTransportInfo.CandidateActivated(candidateId));
- }
- public Builder setCandidateError() {
- return setTransportInfo(JingleS5BTransportInfo.CandidateError.INSTANCE);
- }
- public Builder setProxyError() {
- return setTransportInfo(JingleS5BTransportInfo.ProxyError.INSTANCE);
- }
- public JingleS5BTransport build() {
- return new JingleS5BTransport(candidates, info, streamId, dstAddr, mode);
- }
- }
- }