/*
* 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.config.xml.endpoints;
import org.apache.axiom.om.OMAttribute;
import org.apache.axiom.om.OMElement;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.synapse.SynapseConstants;
import org.apache.synapse.SynapseException;
import org.apache.synapse.aspects.AspectConfiguration;
import org.apache.synapse.config.xml.XMLConfigConstants;
import org.apache.synapse.endpoints.EndpointDefinition;
import org.apache.synapse.util.xpath.SynapseXPath;
import org.jaxen.JaxenException;
import javax.xml.namespace.QName;
import java.util.StringTokenizer;
import java.util.regex.Pattern;
public class EndpointDefinitionFactory implements DefinitionFactory{
public static final Log log = LogFactory.getLog(EndpointDefinitionFactory.class);
/**
* Extracts the QoS information from the XML which represents a WSDL/Address/Default endpoints
*
* @param elem XML which represents the endpoint with QoS information
* @return the created endpoint definition
*/
public EndpointDefinition createDefinition(OMElement elem) {
EndpointDefinition definition = new EndpointDefinition();
OMAttribute optimize
= elem.getAttribute(new QName(XMLConfigConstants.NULL_NAMESPACE, "optimize"));
OMAttribute encoding
= elem.getAttribute(new QName(XMLConfigConstants.NULL_NAMESPACE, "encoding"));
/*
OMAttribute trace = elem.getAttribute(new QName(
XMLConfigConstants.NULL_NAMESPACE, XMLConfigConstants.TRACE_ATTRIB_NAME));
if (trace != null && trace.getAttributeValue() != null) {
String traceValue = trace.getAttributeValue();
if (XMLConfigConstants.TRACE_ENABLE.equals(traceValue)) {
AspectConfiguration aspectConfiguration = definition.getAspectConfiguration();
if (aspectConfiguration == null) {
aspectConfiguration = new AspectConfiguration(null);
}
aspectConfiguration.enableTracing();
definition.configure(aspectConfiguration);
}
}
*/
if (optimize != null && optimize.getAttributeValue().length() > 0) {
String method = optimize.getAttributeValue().trim();
if ("mtom".equalsIgnoreCase(method)) {
definition.setUseMTOM(true);
} else if ("swa".equalsIgnoreCase(method)) {
definition.setUseSwa(true);
}
}
if (encoding != null && encoding.getAttributeValue() != null) {
definition.setCharSetEncoding(encoding.getAttributeValue());
}
OMElement wsAddr = elem.getFirstChildWithName(
new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "enableAddressing"));
if (wsAddr != null) {
definition.setAddressingOn(true);
OMAttribute version = wsAddr.getAttribute(new QName("version"));
if (version != null && version.getAttributeValue() != null) {
String versionValue = version.getAttributeValue().trim().toLowerCase();
if (SynapseConstants.ADDRESSING_VERSION_FINAL.equals(versionValue) ||
SynapseConstants.ADDRESSING_VERSION_SUBMISSION.equals(versionValue)) {
definition.setAddressingVersion(version.getAttributeValue());
} else {
handleException("Unknown value for the addressing version. Possible values " +
"for the addressing version are 'final' and 'submission' only.");
}
}
String useSepList = wsAddr.getAttributeValue(new QName("separateListener"));
if (useSepList != null) {
if ("true".equals(useSepList.trim().toLowerCase())) {
definition.setUseSeparateListener(true);
}
}
}
OMElement wsSec = elem.getFirstChildWithName(
new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "enableSec"));
if (wsSec != null) {
definition.setSecurityOn(true);
OMAttribute policyKey = wsSec.getAttribute(
new QName(XMLConfigConstants.NULL_NAMESPACE, "policy"));
OMAttribute inboundPolicyKey = wsSec.getAttribute(
new QName(XMLConfigConstants.NULL_NAMESPACE, "inboundPolicy"));
OMAttribute outboundPolicyKey = wsSec.getAttribute(
new QName(XMLConfigConstants.NULL_NAMESPACE, "outboundPolicy"));
if (policyKey != null && policyKey.getAttributeValue() != null) {
definition.setWsSecPolicyKey(policyKey.getAttributeValue());
} else {
if (inboundPolicyKey != null && inboundPolicyKey.getAttributeValue() != null) {
definition.setInboundWsSecPolicyKey(inboundPolicyKey.getAttributeValue());
}
if (outboundPolicyKey != null && outboundPolicyKey.getAttributeValue() != null) {
definition.setOutboundWsSecPolicyKey(outboundPolicyKey.getAttributeValue());
}
}
}
// set the timeout configuration
OMElement timeout = elem.getFirstChildWithName(
new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "timeout"));
if (timeout != null) {
OMElement duration = timeout.getFirstChildWithName(
new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "duration"));
if (duration != null) {
String d = duration.getText();
if (d != null) {
try {
Pattern pattern = Pattern.compile("\\{.*\\}");
if (pattern.matcher(d).matches()) {
d = d.trim().substring(1, d.length() - 1);
SynapseXPath xpath = new SynapseXPath(d);
definition.setDynamicTimeoutExpression(xpath);
} else {
long timeoutMilliSeconds = Long.parseLong(d.trim());
definition.setTimeoutDuration(timeoutMilliSeconds);
}
} catch (NumberFormatException e) {
handleException("Endpoint timeout duration expected as a " +
"number but was not a number");
} catch (JaxenException e) {
handleException("Couldn't assign dynamic endpoint timeout as Synapse expression");
}
}
}
OMElement action = timeout.getFirstChildWithName(
new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "responseAction"));
if (action != null && action.getText() != null) {
String actionString = action.getText();
if ("discard".equalsIgnoreCase(actionString.trim())) {
definition.setTimeoutAction(SynapseConstants.DISCARD);
} else if ("fault".equalsIgnoreCase(actionString.trim())) {
definition.setTimeoutAction(SynapseConstants.DISCARD_AND_FAULT);
} else {
handleException("Invalid timeout action, action : "
+ actionString + " is not supported");
}
}
}
OMElement markAsTimedOut = elem.getFirstChildWithName(new QName(
SynapseConstants.SYNAPSE_NAMESPACE,
XMLConfigConstants.MARK_FOR_SUSPENSION));
if (markAsTimedOut != null) {
OMElement timeoutCodes = markAsTimedOut.getFirstChildWithName(new QName(
SynapseConstants.SYNAPSE_NAMESPACE,
XMLConfigConstants.ERROR_CODES));
if (timeoutCodes != null && timeoutCodes.getText() != null) {
StringTokenizer st = new StringTokenizer(timeoutCodes.getText().trim(), ", ");
while (st.hasMoreTokens()) {
String s = st.nextToken();
try {
definition.addTimeoutErrorCode(Integer.parseInt(s));
} catch (NumberFormatException e) {
handleException("The timeout error codes should be specified " +
"as valid numbers separated by commas : " + timeoutCodes.getText(), e);
}
}
}
OMElement retriesBeforeSuspend = markAsTimedOut.getFirstChildWithName(new QName(
SynapseConstants.SYNAPSE_NAMESPACE,
XMLConfigConstants.RETRIES_BEFORE_SUSPENSION));
if (retriesBeforeSuspend != null && retriesBeforeSuspend.getText() != null) {
try {
definition.setRetriesOnTimeoutBeforeSuspend(
Integer.parseInt(retriesBeforeSuspend.getText().trim()));
} catch (NumberFormatException e) {
handleException("The retries before suspend [for timeouts] should be " +
"specified as a valid number : " + retriesBeforeSuspend.getText(), e);
}
}
OMElement retryDelay = markAsTimedOut.getFirstChildWithName(new QName(
SynapseConstants.SYNAPSE_NAMESPACE,
XMLConfigConstants.RETRY_DELAY));
if (retryDelay != null && retryDelay.getText() != null) {
try {
definition.setRetryDurationOnTimeout(
Integer.parseInt(retryDelay.getText().trim()));
} catch (NumberFormatException e) {
handleException("The retry delay for timeouts should be specified " +
"as a valid number : " + retryDelay.getText(), e);
}
}
}
// support backwards compatibility with Synapse 1.2 - for suspendDurationOnFailure
OMElement suspendDurationOnFailure = elem.getFirstChildWithName(new QName(
SynapseConstants.SYNAPSE_NAMESPACE, "suspendDurationOnFailure"));
if (suspendDurationOnFailure != null && suspendDurationOnFailure.getText() != null) {
log.warn("Configuration uses deprecated style for endpoint 'suspendDurationOnFailure'");
try {
definition.setInitialSuspendDuration(
1000 * Long.parseLong(suspendDurationOnFailure.getText().trim()));
definition.setSuspendProgressionFactor((float) 1.0);
} catch (NumberFormatException e) {
handleException("The initial suspend duration should be specified " +
"as a valid number : " + suspendDurationOnFailure.getText(), e);
}
}
OMElement suspendOnFailure = elem.getFirstChildWithName(new QName(
SynapseConstants.SYNAPSE_NAMESPACE,
XMLConfigConstants.SUSPEND_ON_FAILURE));
if (suspendOnFailure != null) {
OMElement suspendCodes = suspendOnFailure.getFirstChildWithName(new QName(
SynapseConstants.SYNAPSE_NAMESPACE,
XMLConfigConstants.ERROR_CODES));
if (suspendCodes != null && suspendCodes.getText() != null) {
StringTokenizer st = new StringTokenizer(suspendCodes.getText().trim(), ", ");
while (st.hasMoreTokens()) {
String s = st.nextToken();
try {
definition.addSuspendErrorCode(Integer.parseInt(s));
} catch (NumberFormatException e) {
handleException("The suspend error codes should be specified " +
"as valid numbers separated by commas : " + suspendCodes.getText(), e);
}
}
}
OMElement initialDuration = suspendOnFailure.getFirstChildWithName(new QName(
SynapseConstants.SYNAPSE_NAMESPACE,
XMLConfigConstants.SUSPEND_INITIAL_DURATION));
if (initialDuration != null && initialDuration.getText() != null) {
try {
definition.setInitialSuspendDuration(
Integer.parseInt(initialDuration.getText().trim()));
} catch (NumberFormatException e) {
handleException("The initial suspend duration should be specified " +
"as a valid number : " + initialDuration.getText(), e);
}
}
OMElement progressionFactor = suspendOnFailure.getFirstChildWithName(new QName(
SynapseConstants.SYNAPSE_NAMESPACE,
XMLConfigConstants.SUSPEND_PROGRESSION_FACTOR));
if (progressionFactor != null && progressionFactor.getText() != null) {
try {
definition.setSuspendProgressionFactor(
Float.parseFloat(progressionFactor.getText().trim()));
} catch (NumberFormatException e) {
handleException("The suspend duration progression factor should be specified " +
"as a valid float : " + progressionFactor.getText(), e);
}
}
OMElement maximumDuration = suspendOnFailure.getFirstChildWithName(new QName(
SynapseConstants.SYNAPSE_NAMESPACE,
XMLConfigConstants.SUSPEND_MAXIMUM_DURATION));
if (maximumDuration != null && maximumDuration.getText() != null) {
try {
definition.setSuspendMaximumDuration(
Long.parseLong(maximumDuration.getText().trim()));
} catch (NumberFormatException e) {
handleException("The maximum suspend duration should be specified " +
"as a valid number : " + maximumDuration.getText(), e);
}
}
}
OMElement retryConfig = elem.getFirstChildWithName(new QName(
SynapseConstants.SYNAPSE_NAMESPACE, XMLConfigConstants.RETRY_CONFIG));
if (retryConfig != null) {
OMElement retryDisabledErrorCodes = retryConfig.getFirstChildWithName(new QName(
SynapseConstants.SYNAPSE_NAMESPACE, "disabledErrorCodes"));
if (retryDisabledErrorCodes != null && retryDisabledErrorCodes.getText() != null) {
StringTokenizer st = new StringTokenizer(
retryDisabledErrorCodes.getText().trim(), ", ");
while (st.hasMoreTokens()) {
String s = st.nextToken();
try {
definition.addRetryDisabledErrorCode(Integer.parseInt(s));
} catch (NumberFormatException e) {
handleException("The suspend error codes should be specified as valid " +
"numbers separated by commas : "
+ retryDisabledErrorCodes.getText(), e);
}
}
}
OMElement retryEnabledErrorCodes = retryConfig.getFirstChildWithName(new QName(
SynapseConstants.SYNAPSE_NAMESPACE, "enabledErrorCodes"));
if (retryEnabledErrorCodes != null && retryEnabledErrorCodes.getText() != null) {
StringTokenizer st = new StringTokenizer(
retryEnabledErrorCodes.getText().trim(), ", ");
while (st.hasMoreTokens()) {
String s = st.nextToken();
try {
definition.addRetryEnabledErrorCode(Integer.parseInt(s));
} catch (NumberFormatException e) {
handleException("The suspend error codes should be specified as valid " +
"numbers separated by commas : "
+ retryEnabledErrorCodes.getText(), e);
}
}
}
}
return definition;
}
protected static void handleException(String msg) {
log.error(msg);
throw new SynapseException(msg);
}
protected static void handleException(String msg, Exception e) {
log.error(msg, e);
throw new SynapseException(msg, e);
}
}