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Smack/source/org/jivesoftware/smackx/packet/IBBExtensions.java
Gaston Dombiak f57ff10ad9 1. Clean up code
2. Refactoring work
3. Optimization work. SMACK-153
4. Fixed roster test cases. SMACK-154
4. Fixed vCard issue. SMACK-152

git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@4538 b35dd754-fafc-0310-a699-88a17e54d16e
2006-07-18 05:14:33 +00:00

241 lines
5.7 KiB
Java

/**
* $RCSfile$
* $Revision: $
* $Date: $
*
* Copyright 2003-2006 Jive Software.
*
* All rights reserved. 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.packet;
import org.jivesoftware.smack.packet.IQ;
import org.jivesoftware.smack.packet.PacketExtension;
/**
* The different extensions used throughtout the negotiation and transfer
* process.
*
* @author Alexander Wenckus
*
*/
public class IBBExtensions {
public static final String NAMESPACE = "http://jabber.org/protocol/ibb";
private abstract static class IBB extends IQ {
final String sid;
private IBB(final String sid) {
this.sid = sid;
}
/**
* Returns the unique stream ID for this file transfer.
*
* @return Returns the unique stream ID for this file transfer.
*/
public String getSessionID() {
return sid;
}
public String getNamespace() {
return NAMESPACE;
}
}
/**
* Represents a request to open the file transfer.
*
* @author Alexander Wenckus
*
*/
public static class Open extends IBB {
public static final String ELEMENT_NAME = "open";
private final int blockSize;
/**
* Constructs an open packet.
*
* @param sid
* The streamID of the file transfer.
* @param blockSize
* The block size of the file transfer.
*/
public Open(final String sid, final int blockSize) {
super(sid);
this.blockSize = blockSize;
}
/**
* The size blocks in which the data will be sent.
*
* @return The size blocks in which the data will be sent.
*/
public int getBlockSize() {
return blockSize;
}
public String getElementName() {
return ELEMENT_NAME;
}
public String getChildElementXML() {
StringBuilder buf = new StringBuilder();
buf.append("<").append(getElementName()).append(" xmlns=\"").append(getNamespace()).append("\" ");
buf.append("sid=\"").append(getSessionID()).append("\" ");
buf.append("block-size=\"").append(getBlockSize()).append("\"");
buf.append("/>");
return buf.toString();
}
}
/**
* A data packet containing a portion of the file being sent encoded in
* base64.
*
* @author Alexander Wenckus
*
*/
public static class Data implements PacketExtension {
private long seq;
private String data;
public static final String ELEMENT_NAME = "data";
final String sid;
/**
* Returns the unique stream ID identifying this file transfer.
*
* @return Returns the unique stream ID identifying this file transfer.
*/
public String getSessionID() {
return sid;
}
public String getNamespace() {
return NAMESPACE;
}
/**
* A constructor.
*
* @param sid
* The stream ID.
*/
public Data(final String sid) {
this.sid = sid;
}
public Data(final String sid, final long seq, final String data) {
this(sid);
this.seq = seq;
this.data = data;
}
public String getElementName() {
return ELEMENT_NAME;
}
/**
* Returns the data contained in this packet.
*
* @return Returns the data contained in this packet.
*/
public String getData() {
return data;
}
/**
* Sets the data contained in this packet.
*
* @param data
* The data encoded in base65
*/
public void setData(final String data) {
this.data = data;
}
/**
* Returns the sequence of this packet in regard to the other data
* packets.
*
* @return Returns the sequence of this packet in regard to the other
* data packets.
*/
public long getSeq() {
return seq;
}
/**
* Sets the sequence of this packet.
*
* @param seq
* A number between 0 and 65535
*/
public void setSeq(final long seq) {
this.seq = seq;
}
public String toXML() {
StringBuilder buf = new StringBuilder();
buf.append("<").append(getElementName()).append(" xmlns=\"").append(getNamespace())
.append("\" ");
buf.append("sid=\"").append(getSessionID()).append("\" ");
buf.append("seq=\"").append(getSeq()).append("\"");
buf.append(">");
buf.append(getData());
buf.append("</").append(getElementName()).append(">");
return buf.toString();
}
}
/**
* Represents the closing of the file transfer.
*
*
* @author Alexander Wenckus
*
*/
public static class Close extends IBB {
public static final String ELEMENT_NAME = "close";
/**
* The constructor.
*
* @param sid
* The unique stream ID identifying this file transfer.
*/
public Close(String sid) {
super(sid);
}
public String getElementName() {
return ELEMENT_NAME;
}
public String getChildElementXML() {
StringBuilder buf = new StringBuilder();
buf.append("<").append(getElementName()).append(" xmlns=\"").append(getNamespace()).append("\" ");
buf.append("sid=\"").append(getSessionID()).append("\"");
buf.append("/>");
return buf.toString();
}
}
}