Hi Bhatt
I am using synapse 1.1 binary distribution and want to use groovy script to
mediate. I couldn't find any example in this distribution on groovy mediation.
Yes, but since Groovy is an Apache BSF scripting language, it gets
automatically supported by Synapse. So all you have to do is write your
script and make it available to a script mediator. You have to point to
an external script or specify it in-line, and also tell synapse which
type of script it is..
1. Which synapse distribution has groovy examples ("hello world" etc) /
support?
2. Should I compile "service.groovy" to bytecode and put somewhere in
synapse?
Here is a sample Groovy in-line script I used recently to create a HTTP
basic authentication header...
<syn:script language="groovy">byte[] username =
mc.getProperty("username").getBytes();
byte[] password = mc.getProperty("password").getBytes();
byte[] authString = new byte[username.length + password.length + 1];
System.arraycopy(username, 0, authString, 0, username.length);
authString[username.length] = (byte) ':';
System.arraycopy(password, 0, authString, username.length+1,
password.length);
mc.setProperty("Authorization", "Basic " +
org.apache.axiom.om.util.Base64.encode(authString));</syn:script>
3. Referring to the folowing link
http://wso2.org/project/esb/java/1.0/docs/ESB_Samples.html#ExtensionMediators
I tried to add the following lines in an existing sample
<localEntry key="groovyScript"
src="file:repository/conf/sample/resources/script/service.groovy"/>
<script language="groovy" key="groovyScript"/>
where service.groovy has the following lines:
def name='World'; println "Hello $name!"
Now I tried to start a synapse configuration and I got the following
exception:
.......
.......
2008-01-24 20:40:17,811 [10.140.15.208-petris-chandra] [main] INFO
XMLConfigurationBuilder Generating the Synapse configuration model by parsing
the XML
.......
.......
Please help me so that groovy script can mediate.
Wrap the actual [external] Groovy script as any XML as follows: (Refer
Sample # 350
http://ws.apache.org/synapse/Synapse_Samples.html#ScriptMediator)
<x><![CDATA[
def name='World'; println "Hello $name!"
]]></x>
asankha
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