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SMACK-304: Extend the IQ API to create IQ responses

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git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@11669 b35dd754-fafc-0310-a699-88a17e54d16e
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Günther Niess 2010-03-24 19:44:02 +00:00 committed by niess
parent bcc1c55894
commit 446a601b73
2 changed files with 208 additions and 0 deletions
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69
source/org/jivesoftware/smack/packet/IQ.java
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@ -108,6 +108,75 @@ public abstract class IQ extends Packet {
*/ */
public abstract String getChildElementXML(); public abstract String getChildElementXML();
/**
* Convenience method to create a new empty {@link Type#RESULT IQ.Type.RESULT}
* IQ based on a {@link Type#GET IQ.Type.GET} or {@link Type#SET IQ.Type.SET}
* IQ. The new packet will be initialized with:<ul>
* <li>The sender set to the recipient of the originating IQ.
* <li>The recipient set to the sender of the originating IQ.
* <li>The type set to {@link Type#RESULT IQ.Type.RESULT}.
* <li>The id set to the id of the originating IQ.
* <li>No child element of the IQ element.
* </ul>
*
* @param iq the {@link Type#GET IQ.Type.GET} or {@link Type#SET IQ.Type.SET} IQ packet.
* @throws IllegalArgumentException if the IQ packet does not have a type of
* {@link Type#GET IQ.Type.GET} or {@link Type#SET IQ.Type.SET}.
* @return a new {@link Type#RESULT IQ.Type.RESULT} IQ based on the originating IQ.
*/
public static IQ createResultIQ(final IQ request) {
if (!(request.getType() == Type.GET || request.getType() == Type.SET)) {
throw new IllegalArgumentException(
"IQ must be of type 'set' or 'get'. Original IQ: " + request.toXML());
}
final IQ result = new IQ() {
public String getChildElementXML() {
return null;
}
};
result.setType(Type.RESULT);
result.setPacketID(request.getPacketID());
result.setFrom(request.getTo());
result.setTo(request.getFrom());
return result;
}
/**
* Convenience method to create a new {@link Type#ERROR IQ.Type.ERROR} IQ
* based on a {@link Type#GET IQ.Type.GET} or {@link Type#SET IQ.Type.SET}
* IQ. The new packet will be initialized with:<ul>
* <li>The sender set to the recipient of the originating IQ.
* <li>The recipient set to the sender of the originating IQ.
* <li>The type set to {@link Type#ERROR IQ.Type.ERROR}.
* <li>The id set to the id of the originating IQ.
* <li>The child element contained in the associated originating IQ.
* <li>The provided {@link XMPPError XMPPError}.
* </ul>
*
* @param iq the {@link Type#GET IQ.Type.GET} or {@link Type#SET IQ.Type.SET} IQ packet.
* @param error the error to associate with the created IQ packet.
* @throws IllegalArgumentException if the IQ packet does not have a type of
* {@link Type#GET IQ.Type.GET} or {@link Type#SET IQ.Type.SET}.
* @return a new {@link Type#ERROR IQ.Type.ERROR} IQ based on the originating IQ.
*/
public static IQ createErrorResponse(final IQ request, final XMPPError error) {
if (!(request.getType() == Type.GET || request.getType() == Type.SET)) {
throw new IllegalArgumentException(
"IQ must be of type 'set' or 'get'. Original IQ: " + request.toXML());
}
final IQ result = new IQ() {
public String getChildElementXML() {
return request.getChildElementXML();
}
};
result.setType(Type.ERROR);
result.setPacketID(request.getPacketID());
result.setFrom(request.getTo());
result.setTo(request.getFrom());
result.setError(error);
return result;
}
/** /**
* A class to represent the type of the IQ packet. The types are: * A class to represent the type of the IQ packet. The types are:
* *

139
test-unit/org/jivesoftware/smack/packet/IQResponseTest.java Normal file
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@ -0,0 +1,139 @@
/**
* $RCSfile$
* $Revision$
* $Date$
*
* Copyright 2010 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.smack.packet;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.fail;
import org.junit.Test;
/**
* Tests that verifies the correct behavior of creating result and error IQ packets.
*
* @see <a href="http://xmpp.org/rfcs/rfc3920.html#stanzas-semantics-iq">IQ Semantics</a>
* @author Guenther Niess
*/
public class IQResponseTest {
final static private String childElement = "<child xmlns=\"http://igniterealtime.org/protocol/test\"/>";
/**
* Test creating a simple and empty IQ response.
*/
@Test
public void testGeneratingSimpleResponse() {
final IQ request = new IQ() {
public String getChildElementXML() {
return childElement;
}
};
request.setFrom("sender@test/Smack");
request.setTo("receiver@test/Smack");
final IQ result = IQ.createResultIQ(request);
assertEquals(IQ.Type.RESULT, result.getType());
assertNotNull(result.getPacketID());
assertEquals(request.getPacketID(), result.getPacketID());
assertEquals(request.getFrom(), result.getTo());
assertEquals(request.getTo(), result.getFrom());
assertNull(result.getChildElementXML());
}
/**
* Test creating a error response based on an IQ request.
*/
@Test
public void testGeneratingValidErrorResponse() {
final XMPPError error = new XMPPError(XMPPError.Condition.bad_request);
final IQ request = new IQ() {
public String getChildElementXML() {
return childElement;
}
};
request.setType(IQ.Type.SET);
request.setFrom("sender@test/Smack");
request.setTo("receiver@test/Smack");
final IQ result = IQ.createErrorResponse(request, error);
assertEquals(IQ.Type.ERROR, result.getType());
assertNotNull(result.getPacketID());
assertEquals(request.getPacketID(), result.getPacketID());
assertEquals(request.getFrom(), result.getTo());
assertEquals(error, result.getError());
assertEquals(childElement, result.getChildElementXML());
}
/**
* According to <a href="http://xmpp.org/rfcs/rfc3920.html#stanzas-semantics-iq"
* >RFC3920: IQ Semantics</a> we shouldn't respond to an IQ of type result.
*/
@Test
public void testGeneratingResponseBasedOnResult() {
final IQ request = new IQ() {
public String getChildElementXML() {
return childElement;
}
};
request.setType(IQ.Type.RESULT);
request.setFrom("sender@test/Smack");
request.setTo("receiver@test/Smack");
try {
IQ.createResultIQ(request);
}
catch (IllegalArgumentException e) {
return;
}
fail("It shouldn't be possible to generate a response for a result IQ!");
}
/**
* According to <a href="http://xmpp.org/rfcs/rfc3920.html#stanzas-semantics-iq"
* >RFC3920: IQ Semantics</a> we shouldn't respond to an IQ of type error.
*/
@Test
public void testGeneratingErrorBasedOnError() {
final XMPPError error = new XMPPError(XMPPError.Condition.bad_request);
final IQ request = new IQ() {
public String getChildElementXML() {
return childElement;
}
};
request.setType(IQ.Type.ERROR);
request.setFrom("sender@test/Smack");
request.setTo("receiver@test/Smack");
request.setError(error);
try {
IQ.createErrorResponse(request, error);
}
catch (IllegalArgumentException e) {
return;
}
fail("It shouldn't be possible to generate a response for a error IQ!");
}
}