/**
* Copyright (c) 2005-2010, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. licenses this file to you 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.apache.synapse.commons.json;
import org.apache.axiom.om.OMAbstractFactory;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.soap.SOAPEnvelope;
import org.apache.axiom.soap.SOAPFactory;
import org.apache.axis2.AxisFault;
import org.apache.axis2.addressing.EndpointReference;
import org.apache.axis2.builder.Builder;
import org.apache.axis2.context.MessageContext;
import org.apache.axis2.transport.http.util.URIEncoderDecoder;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import java.io.*;
public final class JsonStreamBuilder implements Builder {
private static final Log logger = LogFactory.getLog(JsonStreamBuilder.class.getName());
public OMElement processDocument(InputStream inputStream, String s,
MessageContext messageContext) throws AxisFault {
SOAPFactory factory = OMAbstractFactory.getSOAP12Factory();
SOAPEnvelope envelope = factory.getDefaultEnvelope();
if (inputStream != null) {
OMElement element = JsonUtil.getNewJsonPayload(messageContext, inputStream, false, false);
if (element != null) {
if (logger.isDebugEnabled()) {
logger.debug("#processDocument. Built JSON payload from JSON stream. MessageID: " + messageContext.getMessageID());
}
return element;
}
} else {
EndpointReference endpointReference = messageContext.getTo();
if (endpointReference == null) {
logger.error("#processDocument. Cannot build payload without a valid EPR. MessageID: " + messageContext.getMessageID());
throw new AxisFault("Cannot build payload without a valid EPR.");
}
String requestURL;
try {
requestURL = URIEncoderDecoder.decode(endpointReference.getAddress());
} catch (UnsupportedEncodingException e) {
logger.error("#processDocument. Could not decode request URL. MessageID: " + messageContext.getMessageID());
throw new AxisFault("Could not decode request URL.", e);
}
String jsonString;
int index;
//As the message is received through GET, check for "=" sign and consider the second
//half as the incoming JSON message
if ((index = requestURL.indexOf('=')) > 0) {
jsonString = requestURL.substring(index + 1);
messageContext.setProperty(Constants.JSON_STRING, jsonString);
ByteArrayInputStream is = new ByteArrayInputStream(jsonString.getBytes());
return processDocument(is, s, messageContext);
} else {
messageContext.setProperty(Constants.JSON_STRING, null);
}
}
if (logger.isDebugEnabled()) {
logger.debug("#processDocument. No JSON payload found in request. MessageID: " + messageContext.getMessageID());
}
return envelope;
}
}