/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF 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.mediators.json;
import org.apache.axiom.soap.SOAP11Constants;
import org.apache.axiom.soap.SOAP12Constants;
import org.apache.axis2.AxisFault;
import org.apache.axis2.Constants;
import org.apache.axis2.addressing.AddressingConstants;
import org.apache.axis2.addressing.EndpointReference;
import org.apache.axis2.context.ConfigurationContext;
import org.apache.axis2.context.MessageContext;
import org.apache.axis2.context.OperationContext;
import org.apache.axis2.description.TransportOutDescription;
import org.apache.axis2.handlers.AbstractHandler;
import org.apache.axis2.i18n.Messages;
import org.apache.axis2.transport.TransportSender;
import org.apache.axis2.transport.http.HTTPConstants;
import org.apache.commons.httpclient.*;
import org.apache.commons.httpclient.methods.ByteArrayRequestEntity;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import java.io.IOException;
import java.io.InputStream;
import java.util.zip.GZIPInputStream;
public class SynapseJsonSender extends AbstractHandler
implements TransportSender {
private static final Log log = LogFactory.getLog(SynapseJsonSender.class);
public InvocationResponse invoke(MessageContext msgContext) throws AxisFault {
//Fix Me For Sending Only
// Trasnport URL can be different from the WSA-To. So processing
// that now.
EndpointReference epr = null;
String transportURL =
(String) msgContext
.getProperty(Constants.Configuration.TRANSPORT_URL);
if (transportURL != null) {
epr = new EndpointReference(transportURL);
} else if ((msgContext.getTo() != null)
&& !AddressingConstants.Submission.WSA_ANONYMOUS_URL
.equals(msgContext.getTo().getAddress()) &&
!AddressingConstants
.Final
.WSA_ANONYMOUS_URL
.equals(msgContext
.getTo().getAddress()))
{
epr = msgContext.getTo();
}
if (epr == null) {
throw new AxisFault("EndpointReference is not available");
}
// Get the JSONObject
JSONObject jsonObject =
(JSONObject) msgContext.getProperty("JSONObject");
if (jsonObject == null) {
throw new AxisFault("Couldn't Find JSONObject");
}
HttpClient agent = new HttpClient();
PostMethod postMethod = new PostMethod(epr.getAddress());
try {
postMethod.setRequestEntity(new ByteArrayRequestEntity(
XML.toString(jsonObject).getBytes()));
agent.executeMethod(postMethod);
if (postMethod.getStatusCode() == HttpStatus.SC_OK) {
processResponse(postMethod, msgContext);
} else if (postMethod.getStatusCode() == HttpStatus.SC_ACCEPTED) {
} else if (postMethod.getStatusCode() == HttpStatus
.SC_INTERNAL_SERVER_ERROR) {
Header contenttypeHheader =
postMethod.getResponseHeader(
HTTPConstants.HEADER_CONTENT_TYPE);
String value = contenttypeHheader.getValue();
if (value != null) {
if ((value.indexOf(SOAP11Constants.SOAP_11_CONTENT_TYPE) >=
0)
|| (value
.indexOf(SOAP12Constants.SOAP_12_CONTENT_TYPE) >=
0)) {
processResponse(postMethod, msgContext);
}
}
} else {
throw new AxisFault(Messages.getMessage("transportError",
String.valueOf(
postMethod.getStatusCode()),
postMethod.getResponseBodyAsString()));
}
} catch (JSONException e) {
log.error(e);
throw new AxisFault(e);
} catch (IOException e) {
log.error(e);
throw new AxisFault(e);
}
return InvocationResponse.CONTINUE;
}
public void cleanup(MessageContext msgContext) throws AxisFault {
//FixMe
}
public void init(ConfigurationContext confContext,
TransportOutDescription transportOut) throws AxisFault {
//As This is an Extension we can Left this out
}
public void stop() {
//FixMe
}
private void processResponse(HttpMethodBase httpMethod,
MessageContext msgContext)
throws IOException {
obtainHTTPHeaderInformation(httpMethod, msgContext);
InputStream in = httpMethod.getResponseBodyAsStream();
Header contentEncoding =
httpMethod.getResponseHeader(
HTTPConstants.HEADER_CONTENT_ENCODING);
if (contentEncoding != null) {
if (contentEncoding.getValue().
equalsIgnoreCase(HTTPConstants.COMPRESSION_GZIP)) {
in =
new GZIPInputStream(in);
} else {
throw new AxisFault("HTTP :"
+ "unsupported content-encoding of '"
+ contentEncoding.getValue()
+ "' found");
}
}
if (in == null) {
throw new AxisFault(
Messages.getMessage("canNotBeNull", "InputStream"));
}
if (msgContext.getOperationContext() != null) {
msgContext.getOperationContext()
.setProperty(MessageContext.TRANSPORT_IN, in);
}
}
private void obtainHTTPHeaderInformation(HttpMethodBase method,
MessageContext msgContext) {
Header header =
method.getResponseHeader(HTTPConstants.HEADER_CONTENT_TYPE);
if (header != null) {
HeaderElement[] headers = header.getElements();
for (int i = 0; i < headers.length; i++) {
NameValuePair charsetEnc =
headers[i].getParameterByName(
HTTPConstants.CHAR_SET_ENCODING);
OperationContext opContext = msgContext.getOperationContext();
if (charsetEnc != null) {
if (opContext != null) {
opContext.setProperty(
Constants.Configuration.CHARACTER_SET_ENCODING,
charsetEnc.getValue());
}
}
}
}
}
}