I made some changes to LogMediator, LogMediatorFactory and
LogMediatorSerializer by adding the quick log feature which allows to add
quickly log a literal or expression. Patch file is attached.
Examples;
<log value = 'value' />
<log expression = "XPath expression" />
<log [(value="literal" | expression="xpath")] [level="string"]
[separator="string"]>
<property name="string" (value="literal" | expression="xpath")/>*
</log>
Index: modules/core/src/main/java/org/apache/synapse/config/xml/LogMediatorSerializer.java
===================================================================
--- modules/core/src/main/java/org/apache/synapse/config/xml/LogMediatorSerializer.java (revision 988018)
+++ modules/core/src/main/java/org/apache/synapse/config/xml/LogMediatorSerializer.java (revision )
@@ -42,6 +42,16 @@
OMElement log = fac.createOMElement("log", synNS);
saveTracingState(log,mediator);
+ //Serialize the quick message
+ if(mediator.getQuickMessage() != null){
+ if(mediator.getQuickMessage().getKeyValue() != null){
+ log.addAttribute(fac.createOMAttribute("value",nullNS,mediator.getQuickMessage().getKeyValue() ));
+ }else if(mediator.getQuickMessage().getExpression() != null){
+ SynapseXPathSerializer.serializeXPath(mediator.getQuickMessage().getExpression(),log,"expression");
+ }
+ }
+
+
if (mediator.getLogLevel() != LogMediator.SIMPLE) {
log.addAttribute(fac.createOMAttribute(
"level", nullNS,
Index: modules/core/src/main/java/org/apache/synapse/mediators/builtin/LogMediator.java
===================================================================
--- modules/core/src/main/java/org/apache/synapse/mediators/builtin/LogMediator.java (revision 909373)
+++ modules/core/src/main/java/org/apache/synapse/mediators/builtin/LogMediator.java (revision )
@@ -24,8 +24,11 @@
import org.apache.axiom.soap.SOAPHeaderBlock;
import org.apache.synapse.MessageContext;
import org.apache.synapse.SynapseLog;
+import org.apache.synapse.config.xml.SynapseXPathFactory;
import org.apache.synapse.mediators.AbstractMediator;
import org.apache.synapse.mediators.MediatorProperty;
+import org.apache.synapse.mediators.Value;
+import org.apache.synapse.util.xpath.SynapseXPath;
import java.util.ArrayList;
import java.util.Iterator;
@@ -57,8 +60,11 @@
public static final int CATEGORY_ERROR = 4;
public static final int CATEGORY_FATAL = 5;
+
public static final String DEFAULT_SEP = ", ";
+ private Value quickMessage = null;
+
/** The default log level is set to SIMPLE */
private int logLevel = SIMPLE;
/** The separator for which used to separate logging information */
@@ -186,6 +192,13 @@
}
private void setCustomProperties(StringBuffer sb, MessageContext synCtx) {
+
+ //append the quick log message
+ if(quickMessage != null){
+ sb.append(" Log Message = "+ (quickMessage.getKeyValue() != null ? quickMessage.getKeyValue() :
+ quickMessage.getExpression().stringValueOf(synCtx)));
+ }
+
if (properties != null && !properties.isEmpty()) {
for (MediatorProperty property : properties) {
if(property != null){
@@ -245,4 +258,13 @@
return retStr;
}
}
+
+
+ public Value getQuickMessage() {
+ return quickMessage;
-}
+ }
+
+ public void setQuickMessage(Value quickMessage) {
+ this.quickMessage = quickMessage;
+ }
+}
Index: modules/core/src/main/java/org/apache/synapse/config/xml/LogMediatorFactory.java
===================================================================
--- modules/core/src/main/java/org/apache/synapse/config/xml/LogMediatorFactory.java (revision 999840)
+++ modules/core/src/main/java/org/apache/synapse/config/xml/LogMediatorFactory.java (revision )
@@ -22,7 +22,10 @@
import org.apache.axiom.om.OMAttribute;
import org.apache.axiom.om.OMElement;
import org.apache.synapse.Mediator;
+import org.apache.synapse.mediators.Value;
import org.apache.synapse.mediators.builtin.LogMediator;
+import org.apache.synapse.util.xpath.SynapseXPath;
+import org.jaxen.JaxenException;
import javax.xml.namespace.QName;
import java.util.Properties;
@@ -52,6 +55,8 @@
private static final QName ATT_LEVEL = new QName("level");
private static final QName ATT_SEPERATOR = new QName("separator");
private static final QName ATT_CATEGORY = new QName("category");
+ private static final QName ATT_QUICK_VALUE = new QName("value");
+ private static final QName ATT_QUICK_EXPRESSION = new QName("expression");
public QName getTagQName() {
return LOG_Q;
@@ -64,7 +69,27 @@
// after successfully creating the mediator
// set its common attributes such as tracing etc
processAuditStatus(logMediator,elem);
-
+
+ //Set the quick log message
+ OMAttribute value = elem.getAttribute(ATT_QUICK_VALUE);
+ OMAttribute expression = elem.getAttribute(ATT_QUICK_EXPRESSION);
+ Value logMessage;
+
+ if(value !=null){
+ logMessage = new Value(value.getAttributeValue());
+ logMediator.setQuickMessage(logMessage);
+
+ }else if(expression != null){
+ try {
+ SynapseXPath xPathExpression = SynapseXPathFactory.getSynapseXPath(elem,expression.getAttributeValue());
+ logMessage = new Value(xPathExpression);
+ logMediator.setQuickMessage(logMessage);
+ } catch (JaxenException e) {
+ handleException("Invalid XPath specified for the source attribute : " +
+ expression.getAttributeValue());
+ }
+ }
+
// Set the high level set of properties to be logged (i.e. log level)
OMAttribute level = elem.getAttribute(ATT_LEVEL);
if (level != null) {
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