/*
* Copyright 2014, The Sporting Exchange Limited
*
* 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 com.betfair.cougar.transport.impl.protocol.http.soap;
import com.betfair.cougar.core.api.exception.CougarMarshallingException;
import com.betfair.cougar.core.api.exception.CougarValidationException;
import com.betfair.cougar.core.api.transcription.Parameter;
import com.betfair.cougar.core.api.transcription.ParameterType;
import com.betfair.cougar.core.api.transcription.Transcribable;
import com.betfair.cougar.core.api.transcription.TranscribableParams;
import com.betfair.cougar.core.api.transcription.TranscriptionInput;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.betfair.cougar.util.dates.DateTimeUtility;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.util.base64.Base64Utils;
import javax.xml.namespace.QName;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.logging.Level;
/**
* Transcribes from XML to types supported by BISDL or Transcribable Java objects.
*/
@SuppressWarnings("unchecked")
public class XMLTranscriptionInput implements TranscriptionInput {
private static final Logger LOGGER = LoggerFactory.getLogger(XMLTranscriptionInput.class);
private static final QName keyAttName = new QName("key");
private OMElement currentNode;
public XMLTranscriptionInput(OMElement currentNode) {
this.currentNode = currentNode;
}
public Object readObject(Parameter param, boolean client) throws Exception {
Iterator iterator = currentNode.getChildrenWithLocalName(param.getName());
if (!iterator.hasNext()) {
return null;
}
return readObject(param.getParameterType(), (OMElement)iterator.next(), client);
}
private Object readObject(ParameterType paramType, OMElement node, boolean client) throws Exception {
switch (paramType.getType()) {
case BOOLEAN:
case DOUBLE:
case FLOAT:
case INT:
case LONG:
case STRING:
case ENUM:
case DATE:
case BYTE:
return node == null ? null : readSimpleObject(paramType, node.getLocalName(), node.getText(), client);
case OBJECT:
//descend - note possibly two levels if inside a collection recursion
OMElement _copy = this.currentNode;
currentNode = node;
Transcribable t = (Transcribable)paramType.getImplementationClass().newInstance();
t.transcribe(this, TranscribableParams.getAll(), client);
//ascend
this.currentNode = _copy;
return t;
case MAP:
Map map = new HashMap();
for (Iterator i = node.getChildElements(); i.hasNext();) {
OMElement element = (OMElement)i.next();
Object key = readSimpleObject(paramType.getComponentTypes()[0], node.getLocalName(), element.getAttributeValue(keyAttName), client);
map.put(key, readObject(paramType.getComponentTypes()[1], (OMElement)element.getChildElements().next(), client));
}
return map;
case LIST:
if (paramType.getComponentTypes()[0].getType() == ParameterType.Type.BYTE) {
try {
return Base64Utils.decode(node.getText());
} catch (Exception e) {
String message = "Unable to parse " + node.getText() + " as type " + paramType;
LOGGER.debug(message, e);
throw CougarMarshallingException.unmarshallingException("soap",message,e,client);
}
} else {
List list = new ArrayList();
for (Iterator i = node.getChildElements(); i.hasNext();) {
list.add(readObject(paramType.getComponentTypes()[0], (OMElement)i.next(),client));
}
return list;
}
case SET:
Set set = new HashSet();
for (Iterator i = node.getChildElements(); i.hasNext();) {
set.add(readObject(paramType.getComponentTypes()[0], (OMElement)i.next(),client));
}
return set;
}
return null;
}
private Object readSimpleObject(ParameterType paramType, String paramName, String textValue, boolean client) {
try {
switch (paramType.getType()) {
case BOOLEAN:
if (textValue.equalsIgnoreCase("true")) {
return true;
}
if (textValue.equalsIgnoreCase("false")) {
return false;
}
throw new IllegalArgumentException();
case DOUBLE:
return Double.valueOf(textValue);
case FLOAT:
return Float.valueOf(textValue);
case INT:
return Integer.valueOf(textValue);
case LONG:
return Long.valueOf(textValue);
case STRING:
return textValue;
case ENUM:
// this is converted to an enum further down in the Transcribable implementation so the original raw value can be stored in a soft failure..
return textValue;
case DATE:
return DateTimeUtility.parse(textValue);
case BYTE:
return Byte.valueOf(textValue);
}
} catch (Exception e) {
throw exceptionDuringDeserialisation(paramType, paramName, e, client);
}
throw new UnsupportedOperationException("Parameter Type " + paramType + " is not supported as a simple object type");
}
public static CougarValidationException exceptionDuringDeserialisation(ParameterType paramType, String paramName, Exception e, boolean client) {
StringBuilder logBuffer = new StringBuilder();
logBuffer.append("Unable to convert data in request to ");
logBuffer.append(paramType.getType().name());
logBuffer.append(" for parameter: ");
logBuffer.append(paramName);
String message = logBuffer.toString();
LOGGER.debug(message , e);
throw CougarMarshallingException.unmarshallingException("xml", message, e, client);
}
}