/*
* ====================================================================
* ======== The Apache Software License, Version 1.1
* ==================
* ==========================================================
* Copyright (C) 2002 The Apache Software Foundation. All rights
* reserved. Redistribution and use in source and binary forms, with
* or without modifica- tion, are permitted provided that the
* following conditions are met: 1. Redistributions of source code
* must retain the above copyright notice, this list of conditions and
* the following disclaimer. 2. Redistributions in binary form must
* reproduce the above copyright notice, this list of conditions and
* the following disclaimer in the documentation and/or other
* materials provided with the distribution. 3. The end-user
* documentation included with the redistribution, if any, must
* include the following acknowledgment: "This product includes
* software developed by SuperBonBon Industries
* (http://www.sbbi.net/)." Alternately, this acknowledgment may
* appear in the software itself, if and wherever such third-party
* acknowledgments normally appear. 4. The names "UPNPLib" and
* "SuperBonBon Industries" must not be used to endorse or promote
* products derived from this software without prior written
* permission. For written permission, please contact info@sbbi.net.
* 5. Products derived from this software may not be called
* "SuperBonBon Industries", nor may "SBBI" appear in their name,
* without prior written permission of SuperBonBon Industries. THIS
* SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR ITS
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU- DING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE. This software consists of voluntary contributions made
* by many individuals on behalf of SuperBonBon Industries. For more
* information on SuperBonBon Industries, please see
* <http://www.sbbi.net/>.
*/
package net.tomp2p.upnp;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
/**
* Simple SAX handler for UPNP state variable query response message parsing,
* this message is in SOAP format
*
* @author <a href="mailto:superbonbon@sbbi.net">SuperBonBon</a>
* @version 1.0
*/
class StateVariableResponseParser extends org.xml.sax.helpers.DefaultHandler {
private final static String SOAP_FAULT_EL = "Fault";
private StateVariable stateVar;
private boolean faultResponse = false;
private UPNPResponseException msgEx;
private boolean readFaultCode = false;
private boolean readFaultString = false;
private boolean readErrorCode = false;
private boolean readErrorDescription = false;
private boolean parseStateVar = false;
private StateVariableResponse result;
StateVariableResponseParser(StateVariable stateVar) {
this.stateVar = stateVar;
}
UPNPResponseException getUPNPResponseException() {
return msgEx;
}
StateVariableResponse getStateVariableResponse() {
return result;
}
@Override
public void characters(char[] ch, int start, int length) {
if (parseStateVar) {
String origChars = result.stateVariableValue;
String newChars = new String(ch, start, length);
if (origChars == null) {
result.stateVariableValue = newChars;
} else {
result.stateVariableValue = origChars + newChars;
}
} else if (readFaultCode) {
msgEx.faultCode = new String(ch, start, length);
readFaultCode = false;
} else if (readFaultString) {
msgEx.faultString = new String(ch, start, length);
readFaultString = false;
} else if (readErrorCode) {
String code = new String(ch, start, length);
try {
msgEx.detailErrorCode = Integer.parseInt(code);
} catch (Throwable ex) {
// log.debug( "Error during returned error code " + code +
// " parsing" );
}
readErrorCode = false;
} else if (readErrorDescription) {
msgEx.detailErrorDescription = new String(ch, start, length);
readErrorDescription = false;
}
}
@Override
public void startElement(String uri, String localName, String qName, Attributes attributes) {
if (faultResponse) {
if (localName.equals("faultcode")) {
readFaultCode = true;
} else if (localName.equals("faultstring")) {
readFaultString = true;
} else if (localName.equals("errorCode")) {
readErrorCode = true;
} else if (localName.equals("errorDescription")) {
readErrorDescription = true;
}
} else if (localName.equals(SOAP_FAULT_EL)) {
msgEx = new UPNPResponseException();
faultResponse = true;
} else if (localName.equals("return") || localName.equals("varName")) {
// some buggy implementations ( intel sample media server )
// do not use the specs compliant return element name but
// varName ...
parseStateVar = true;
result = new StateVariableResponse(stateVar);
}
}
@Override
public void endElement(String uri, String localName, String qName) throws SAXException {
// some buggy implementations ( intel sample media server )
// do not use the specs compliant return element name but
// varName ...
if (localName.equals("return") || localName.equals("varName")) {
parseStateVar = false;
}
}
}