Spring integration visual editor

[petem103072]

I have a question about using the STS visual editor for Spring Integration. I am using STS 2.7.2 with Spring Integration 2.0. The visual editor seems a bit buggy. Many times when I try to drag an item from a pallette and drop it on the page, the item does not show in the page. When I go to view the source, it does not show there either. However if I make any changes to the source, they do show up in the visual editor. Is there a trick to the drag and drop?

[ldossantos]

If you attempt to drag a part onto the graph that might result in bad XML, the visual editor will not accept the drop. However, if you're able to make the same edits in the source page then there must be some other issue at play. Do you get any entries in your error log when you try to use the visual editor? If not, then do you have a configuration that can reliably reproduce the error that you can share with me?

Leo Dos Santos
Committer, SpringSource Tool Suite

[petem103072]

<?xml version="1.0" encoding="UTF-8"?>
<beans:beans xmlns="http://www.springframework.org/schema/integration"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns:beans="http://www.springframework.org/schema/beans"
	xmlns:int="http://www.springframework.org/schema/integration"
	xmlns:stream="http://www.springframework.org/schema/integration/stream"
	xmlns:amqp="http://www.springframework.org/schema/integration/amqp"
	xmlns:context="http://www.springframework.org/schema/context"
	xmlns:mail="http://www.springframework.org/schema/integration/mail"
	xmlns:ws="http://www.springframework.org/schema/integration/ws"
	xmlns:int-http="http://www.springframework.org/schema/integration/http"
	xmlns:oxm="http://www.springframework.org/schema/oxm"
	xmlns:int-xml="http://www.springframework.org/schema/integration/xml"
	xmlns:int-xmpp="http://www.springframework.org/schema/integration/xmpp"
	xsi:schemaLocation="http://www.springframework.org/schema/beans
			http://www.springframework.org/schem...-beans-3.0.xsd
			http://www.springframework.org/schema/integration
			http://www.springframework.org/schem...ration-2.0.xsd
			http://www.springframework.org/schem...gration/stream
			http://www.springframework.org/schem...stream-2.0.xsd
			http://www.springframework.org/schema/context 
			http://www.springframework.org/schem...ontext-3.0.xsd
			http://www.springframework.org/schema/integration/amqp
			http://www.springframework.org/schem...n-amqp-2.1.xsd
			http://www.springframework.org/schema/integration/mail
			http://www.springframework.org/schem...n-mail-2.0.xsd
			http://www.springframework.org/schema/integration/ws
			http://www.springframework.org/schem...ion-ws-2.0.xsd
			http://www.springframework.org/schema/integration/http
			http://www.springframework.org/schem...n-http-2.0.xsd
			http://www.springframework.org/schema/oxm
			http://www.springframework.org/schem...ng-oxm-3.0.xsd
			http://www.springframework.org/schema/integration/xml
			http://www.springframework.org/schem...on-xml-2.0.xsd
			http://www.springframework.org/schema/integration/xmpp
			http://www.springframework.org/schema/integration/xmpp/spring-integration-xmpp-2.0.xsd">

	<amqp:inbound-channel-adapter queue-names="queue.requestqueue"
		channel="inboundChannel" connection-factory="connectionFactory" />
	<context:component-scan base-package="com.somepackage"/>


	<int:channel id="inboundChannel">
		<int:queue capacity="1000000" />
	</int:channel>

	<int:router input-channel="inboundChannel" expression="payload%2==0">
		<int:mapping value="true" channel="evenChannel" />
		<int:mapping value="false" channel="oddChannel" />
	</int:router>
	<int:channel id="oddChannel" />

	<int:publish-subscribe-channel id="evenChannel"
		apply-sequence="true" />

	<int-http:outbound-gateway
		url="http://www.mapquestapi.com/geocoding/v1/address?outFormat=xml&amp;location={location}"
		http-method="GET" request-channel="evenChannel"
		expected-response-type="javax.xml.transform.Source" reply-channel="geocodingChannelXML">
		<int-http:uri-variable name="location"
			expression="payload" />
	</int-http:outbound-gateway>

	<int:channel id="geocodingChannelXML" />
	<oxm:jaxb2-marshaller contextPath="com.somepackage.traffic.jaxb"
		id="trafficmarshaller" />
	<int-xml:unmarshalling-transformer
		unmarshaller="trafficmarshaller" input-channel="geocodingChannelXML"
		output-channel="geocodingChannel" />

	<int:channel id="geocodingChannel" />

	<beans:bean
		class="com.somepackage.springintegration.serviceactivators.BoundingBoxFactoryImpl"
		id="boundingBoxFactory" />
	<int:service-activator ref="boundingBoxFactory"
		input-channel="geocodingChannel" output-channel="boundingBoxChannel" />


	<int:channel id="boundingBoxChannel" />

	<int-http:outbound-gateway
		url="http://www.mapquestapi.com/traffic/v1/incidents?callback=handleIncidentsResponse&amp;boundingBox={boundingBox}&amp;filters=construction,incidents&amp;inFormat=kvp&amp;outFormat=xml"
		http-method="GET" request-channel="boundingBoxChannel"
		expected-response-type="javax.xml.transform.Source" reply-channel="trafficIssuesXML">
		<int-http:uri-variable name="boundingBox"
			expression="payload" />
	</int-http:outbound-gateway>

	<int:channel id="trafficIssuesXML" />

	<oxm:jaxb2-marshaller contextPath="com.somepackage.traffic.incident.jaxb"
		id="trafficincidentmarshaller" />
	<int-xml:unmarshalling-transformer
		unmarshaller="trafficincidentmarshaller" input-channel="trafficIssuesXML"
		output-channel="trafficAndWeatherChannelUnaggregated" />

	<int:channel id="trafficAndWeatherChannelUnaggregated" />


	<int:aggregator input-channel="trafficAndWeatherChannelUnaggregated"
		output-channel="trafficAndWeatherChannel" />


	<int-http:outbound-gateway
		url="http://www.google.com/ig/api?weather={location}" http-method="GET"
		request-channel="evenChannel" expected-response-type="javax.xml.transform.Source"
		reply-channel="weatherXML">
		<int-http:uri-variable name="location"
			expression="payload" />
	</int-http:outbound-gateway>


	<int:channel id="weatherXML" />
	<oxm:jaxb2-marshaller contextPath="com.somepackage.weather.jaxb"
		id="weathermarshaller" />
	<int-xml:unmarshalling-transformer
		unmarshaller="weathermarshaller" input-channel="weatherXML"
		output-channel="trafficAndWeatherChannelUnaggregated" />


	<int:channel id="trafficAndWeatherChannel" />

	<beans:bean id="mailMessageBuilder"
		class="com.somepackage.springintegration.serviceactivators.MailMessageBuilderImpl" />
	<beans:bean id="mailSplitter"
		class="com.somepackage.springintegration.splitters.MailMessageSplitter" />
	<int:chain input-channel="trafficAndWeatherChannel"
		output-channel="messageChannel">
		<int:service-activator ref="mailMessageBuilder" />
		<int:splitter ref="mailSplitter" />
		<mail:header-enricher>
			<mail:from value="someaddress@nonexistentdomain.com" />
			<mail:reply-to value="anotheradress@nonexistentdomain.com" />
			<mail:subject value="Hello" />
		</mail:header-enricher>
	</int:chain>
	<int:publish-subscribe-channel id="messageChannel">
		<int:interceptors>
			<int:wire-tap channel="wiretapChannel" />
		</int:interceptors>
	</int:publish-subscribe-channel>
	<int:chain input-channel="messageChannel" output-channel="imchannel">
		<int:filter expression="payload?.to[0] matches '.*nonexistentdomain[.]com'"/>
		<int:header-enricher>
			<int:header name="xmpp_chatTo" expression="payload.to[0]"></int:header>
		</int:header-enricher>
		<int:transformer expression="payload.text.substring(0,1999)"/>
	</int:chain>
	<int:channel id="imchannel"/>
	<int-xmpp:outbound-channel-adapter xmpp-connection="googleTalkConnection"  channel="imchannel"/>


	<mail:outbound-channel-adapter host="mailout.someaddress.com"
		channel="messageChannel" />
	<int:publish-subscribe-channel id="wiretapChannel" />
	<stream:stdout-channel-adapter channel="wiretapChannel" />
	<int:logging-channel-adapter level="WARN" channel="wiretapChannel"/>
	<context:property-placeholder location="classpath:xmpp.properties" />

	<beans:bean id="dummySocketFactory" class="org.jivesoftware.spark.util.DummySSLSocketFactory"/>

	
	<stream:stdout-channel-adapter channel="oddChannel"/>
</beans:beans>

[petem103072]

I later noticed that the ide was only blocking putting certain components on the page. The ones it was blocking were the Channels, Routing, Transformation and Endpoints. Knowing that the editor is driven off of what schemas are included, I changed the 2nd line from:

<beans:beans xmlns="http://www.springframework.org/schema/integration"

to:

<beans:beans xmlns="http://www.springframework.org/schema/beans"

and it worked. Now I am able to put components in the page.

[ldossantos]

Great that you found a workaround!

In your file you've declared the Spring Integration schema twice, first as:

xmlns="http://www.springframework.org/schema/integration"

and then again as:

xmlns:int="http://www.springframework.org/schema/integration"

It's the duplicate declaration that's confusing the visual editor. Normally you'd only need to declare the import once, but if this case works with the XML editor then we should try to ensure that it works with the visual editor as well.