INT-1380, added async-gateway sample, polishing others
This commit is contained in:
Oleg Zhurakousky
@@ -0,0 +1,11 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<beans xmlns="http://www.springframework.org/schema/beans"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">
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<import resource="classpath:META-INF/spring/integration/stub-services-config.xml" />
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<import resource="classpath:META-INF/spring/integration/loan-broker-config.xml" />
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<import resource="classpath:META-INF/spring/integration/bank-channel-mappings-config.xml" />
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<import resource="classpath:META-INF/spring/integration/shark-detector-config.xml"/>
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</beans>
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@@ -3,8 +3,8 @@
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">
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<import resource="classpath:stub-services-config.xml" />
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<import resource="classpath:loan-broker-config.xml" />
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<import resource="classpath:bank-channel-mappings-config.xml" />
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<import resource="classpath:META-INF/spring/integration/stub-services-config.xml" />
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<import resource="classpath:META-INF/spring/integration/loan-broker-config.xml" />
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<import resource="classpath:META-INF/spring/integration/bank-channel-mappings-config.xml" />
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</beans>
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@@ -1,11 +0,0 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<beans xmlns="http://www.springframework.org/schema/beans"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">
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<import resource="classpath:stub-services-config.xml" />
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<import resource="classpath:loan-broker-config.xml" />
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<import resource="classpath:bank-channel-mappings-config.xml" />
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<import resource="classpath:shark-detector-config.xml"/>
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</beans>
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@@ -41,7 +41,7 @@ public class LoanBrokerDemo {
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@Test
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public void runDemo() {
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ApplicationContext context = new ClassPathXmlApplicationContext("bootstrap-config/stubbed-loan-broker.xml");
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ApplicationContext context = new ClassPathXmlApplicationContext("META-INF/spring/integration/bootstrap-config/stubbed-loan-broker.xml");
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LoanBrokerGateway broker = context.getBean("loanBrokerGateway", LoanBrokerGateway.class);
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LoanRequest loanRequest = new LoanRequest();
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loanRequest.setCustomer(new Customer());
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@@ -38,7 +38,7 @@ public class LoanBrokerSharkDetectorDemo {
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@Test
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public void testUdpMulticast() {
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ConfigurableApplicationContext context =
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new ClassPathXmlApplicationContext("bootstrap-config/stubbed-loan-broker-multicast.xml");
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new ClassPathXmlApplicationContext("META-INF/spring/integration/bootstrap-config/stubbed-loan-broker-multicast.xml");
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LoanBrokerGateway broker = context.getBean("loanBrokerGateway", LoanBrokerGateway.class);
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LoanRequest loanRequest = new LoanRequest();
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loanRequest.setCustomer(new Customer());
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12
case-studies/loan-broker/udps.groovy
Normal file
12
case-studies/loan-broker/udps.groovy
Normal file
@@ -0,0 +1,12 @@
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//Groovy Script to catch multicast packets.
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socket = new MulticastSocket(11111)
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mcast = InetAddress.getByName("225.6.7.8")
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socket.joinGroup(mcast)
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buffer = (' ' * 1024) as byte[]
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while(true) {
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incoming = new DatagramPacket(buffer, buffer.length)
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socket.receive(incoming)
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s = new String(incoming.data, 0, incoming.length)
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println ("** Shark **" + s)
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}
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16
case-studies/loan-broker/udps.pl
Executable file
16
case-studies/loan-broker/udps.pl
Executable file
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#!/usr/bin/perl -w
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#Perl Script to catch multicast packets.
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use strict;
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use IO::Socket::Multicast;
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my $socket = IO::Socket::Multicast->new(LocalPort=>11111, ReuseAddr=>1)
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or die "Can't start UDP server: $@";
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$socket->mcast_add('225.6.7.8');
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my ($datagram,$flags);
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while ($socket->recv($datagram,1024,$flags)) {
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print "**Shark** $datagram\n";
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}
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$socket->close();
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10
cook-books/async-gateway/.classpath
Normal file
10
cook-books/async-gateway/.classpath
Normal file
@@ -0,0 +1,10 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<classpath>
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<classpathentry kind="src" output="target/classes" path="src/main/java"/>
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<classpathentry kind="src" path="src/test/resources"/>
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<classpathentry excluding="**" kind="src" output="target/classes" path="src/main/resources"/>
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<classpathentry kind="src" path="src/test/java"/>
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<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
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<classpathentry kind="con" path="org.maven.ide.eclipse.MAVEN2_CLASSPATH_CONTAINER"/>
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<classpathentry kind="output" path="target/classes"/>
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</classpath>
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1
cook-books/async-gateway/.gitignore
vendored
Normal file
1
cook-books/async-gateway/.gitignore
vendored
Normal file
@@ -0,0 +1 @@
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/target
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29
cook-books/async-gateway/.project
Normal file
29
cook-books/async-gateway/.project
Normal file
@@ -0,0 +1,29 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<projectDescription>
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<name>async-gateway</name>
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<comment></comment>
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<projects>
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</projects>
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<buildSpec>
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<buildCommand>
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<name>org.eclipse.jdt.core.javabuilder</name>
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<arguments>
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</arguments>
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</buildCommand>
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<buildCommand>
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<name>org.maven.ide.eclipse.maven2Builder</name>
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<arguments>
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</arguments>
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</buildCommand>
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<buildCommand>
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<name>org.springframework.ide.eclipse.core.springbuilder</name>
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<arguments>
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</arguments>
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</buildCommand>
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</buildSpec>
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<natures>
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<nature>org.springframework.ide.eclipse.core.springnature</nature>
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<nature>org.eclipse.jdt.core.javanature</nature>
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<nature>org.maven.ide.eclipse.maven2Nature</nature>
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</natures>
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</projectDescription>
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@@ -0,0 +1,3 @@
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#Thu Sep 16 13:45:10 EDT 2010
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//com.springsource.sts.config.flow.coordinates\:http\://www.springframework.org/schema/integration\:/async-gateway/src/main/resources/META-INF/spring/integration/math-service-config.xml=<?xml version\="1.0" encoding\="UTF-8"?>\n<graph>\n<element clazz\="GatewayModelElement" type\="gateway">\n<structure end\="1018" endstart\="1018" start\="824" startend\="1018"/>\n<bounds height\="112" width\="116" x\="19" y\="17"/>\n</element>\n<element clazz\="ChannelModelElement" type\="channel">\n<structure end\="1099" endstart\="1085" start\="1035" startend\="1068"/>\n<bounds height\="112" width\="116" x\="155" y\="17"/>\n</element>\n<element clazz\="FilterModelElement" type\="filter">\n<structure end\="1312" endstart\="1299" start\="1103" startend\="1212"/>\n<bounds height\="112" width\="116" x\="291" y\="17"/>\n</element>\n<element clazz\="ChannelModelElement" type\="channel">\n<structure end\="1415" endstart\="1401" start\="1316" startend\="1354"/>\n<bounds height\="112" width\="116" x\="427" y\="17"/>\n</element>\n<element clazz\="ServiceActivatorModelElement" type\="service-activator">\n<structure end\="1587" endstart\="1563" start\="1419" startend\="1477"/>\n<bounds height\="112" width\="116" x\="563" y\="17"/>\n</element>\n</graph>
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eclipse.preferences.version=1
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@@ -0,0 +1,9 @@
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#Fri Sep 03 11:06:43 EDT 2010
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activeProfiles=
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eclipse.preferences.version=1
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fullBuildGoals=process-test-resources
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includeModules=false
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resolveWorkspaceProjects=true
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resourceFilterGoals=process-resources resources\:testResources
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skipCompilerPlugin=true
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version=1
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@@ -0,0 +1,68 @@
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#Fri Sep 03 10:29:08 EDT 2010
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eclipse.preferences.version=1
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org.springframework.ide.eclipse.core.builders.enable.aopreferencemodelbuilder=true
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org.springframework.ide.eclipse.core.builders.enable.beanmetadatabuilder=true
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org.springframework.ide.eclipse.core.builders.enable.osgibundleupdater=false
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org.springframework.ide.eclipse.core.enable.project.preferences=true
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org.springframework.ide.eclipse.core.validator.enable.com.springsource.server.ide.manifest.core.manifestvalidator=false
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org.springframework.ide.eclipse.core.validator.enable.com.springsource.sts.bestpractices.beansvalidator=false
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org.springframework.ide.eclipse.core.validator.enable.com.springsource.sts.server.quickfix.manifestvalidator=false
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org.springframework.ide.eclipse.core.validator.enable.org.springframework.ide.eclipse.beans.core.beansvalidator=false
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org.springframework.ide.eclipse.core.validator.enable.org.springframework.ide.eclipse.core.springvalidator=false
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org.springframework.ide.eclipse.core.validator.enable.org.springframework.ide.eclipse.webflow.core.validator=false
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org.springframework.ide.eclipse.core.validator.rule.enable.com.springsource.server.ide.manifest.core.applicationSymbolicNameRule-com.springsource.server.ide.manifest.core.manifestvalidator=false
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org.springframework.ide.eclipse.core.validator.rule.enable.com.springsource.server.ide.manifest.core.applicationVersionRule-com.springsource.server.ide.manifest.core.manifestvalidator=false
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org.springframework.ide.eclipse.core.validator.rule.enable.com.springsource.server.ide.manifest.core.bundleActivationPolicyRule-com.springsource.server.ide.manifest.core.manifestvalidator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.com.springsource.server.ide.manifest.core.bundleActivatorRule-com.springsource.server.ide.manifest.core.manifestvalidator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.com.springsource.server.ide.manifest.core.bundleManifestVersionRule-com.springsource.server.ide.manifest.core.manifestvalidator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.com.springsource.server.ide.manifest.core.bundleSymbolicNameRule-com.springsource.server.ide.manifest.core.manifestvalidator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.com.springsource.server.ide.manifest.core.bundleVersionRule-com.springsource.server.ide.manifest.core.manifestvalidator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.com.springsource.server.ide.manifest.core.exportPackageRule-com.springsource.server.ide.manifest.core.manifestvalidator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.com.springsource.server.ide.manifest.core.importRule-com.springsource.server.ide.manifest.core.manifestvalidator=false
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||||
org.springframework.ide.eclipse.core.validator.rule.enable.com.springsource.server.ide.manifest.core.parsingProblemsRule-com.springsource.server.ide.manifest.core.manifestvalidator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.com.springsource.server.ide.manifest.core.requireBundleRule-com.springsource.server.ide.manifest.core.manifestvalidator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.com.springsource.sts.bestpractices.com.springsource.sts.bestpractices.AvoidDriverManagerDataSource-com.springsource.sts.bestpractices.beansvalidator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.com.springsource.sts.bestpractices.com.springsource.sts.bestpractices.ImportElementsAtTopRulee-com.springsource.sts.bestpractices.beansvalidator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.com.springsource.sts.bestpractices.com.springsource.sts.bestpractices.ParentBeanSpecifiesAbstractClassRule-com.springsource.sts.bestpractices.beansvalidator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.com.springsource.sts.bestpractices.com.springsource.sts.bestpractices.RefElementRule-com.springsource.sts.bestpractices.beansvalidator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.com.springsource.sts.bestpractices.com.springsource.sts.bestpractices.TooManyBeansInFileRule-com.springsource.sts.bestpractices.beansvalidator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.com.springsource.sts.bestpractices.com.springsource.sts.bestpractices.UnnecessaryValueElementRule-com.springsource.sts.bestpractices.beansvalidator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.com.springsource.sts.bestpractices.com.springsource.sts.bestpractices.UseBeanInheritance-com.springsource.sts.bestpractices.beansvalidator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.com.springsource.sts.bestpractices.legacyxmlusage.jndiobjectfactory-com.springsource.sts.bestpractices.beansvalidator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.com.springsource.sts.server.quickfix.importBundleVersionRule-com.springsource.sts.server.quickfix.manifestvalidator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.com.springsource.sts.server.quickfix.importLibraryVersionRule-com.springsource.sts.server.quickfix.manifestvalidator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.com.springsource.sts.server.quickfix.importPackageVersionRule-com.springsource.sts.server.quickfix.manifestvalidator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.com.springsource.sts.server.quickfix.requireBundleVersionRule-com.springsource.sts.server.quickfix.manifestvalidator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.org.springframework.ide.eclipse.beans.core.autowire.autowire-org.springframework.ide.eclipse.beans.core.beansvalidator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.org.springframework.ide.eclipse.beans.core.beanAlias-org.springframework.ide.eclipse.beans.core.beansvalidator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.org.springframework.ide.eclipse.beans.core.beanClass-org.springframework.ide.eclipse.beans.core.beansvalidator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.org.springframework.ide.eclipse.beans.core.beanConstructorArgument-org.springframework.ide.eclipse.beans.core.beansvalidator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.org.springframework.ide.eclipse.beans.core.beanDefinition-org.springframework.ide.eclipse.beans.core.beansvalidator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.org.springframework.ide.eclipse.beans.core.beanDefinitionHolder-org.springframework.ide.eclipse.beans.core.beansvalidator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.org.springframework.ide.eclipse.beans.core.beanFactory-org.springframework.ide.eclipse.beans.core.beansvalidator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.org.springframework.ide.eclipse.beans.core.beanInitDestroyMethod-org.springframework.ide.eclipse.beans.core.beansvalidator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.org.springframework.ide.eclipse.beans.core.beanProperty-org.springframework.ide.eclipse.beans.core.beansvalidator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.org.springframework.ide.eclipse.beans.core.beanReference-org.springframework.ide.eclipse.beans.core.beansvalidator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.org.springframework.ide.eclipse.beans.core.methodOverride-org.springframework.ide.eclipse.beans.core.beansvalidator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.org.springframework.ide.eclipse.beans.core.parsingProblems-org.springframework.ide.eclipse.beans.core.beansvalidator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.org.springframework.ide.eclipse.beans.core.requiredProperty-org.springframework.ide.eclipse.beans.core.beansvalidator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.org.springframework.ide.eclipse.beans.core.toolAnnotation-org.springframework.ide.eclipse.beans.core.beansvalidator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.org.springframework.ide.eclipse.core.springClasspath-org.springframework.ide.eclipse.core.springvalidator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.org.springframework.ide.eclipse.webflow.core.validation.action-org.springframework.ide.eclipse.webflow.core.validator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.org.springframework.ide.eclipse.webflow.core.validation.actionstate-org.springframework.ide.eclipse.webflow.core.validator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.org.springframework.ide.eclipse.webflow.core.validation.attribute-org.springframework.ide.eclipse.webflow.core.validator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.org.springframework.ide.eclipse.webflow.core.validation.attributemapper-org.springframework.ide.eclipse.webflow.core.validator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.org.springframework.ide.eclipse.webflow.core.validation.beanaction-org.springframework.ide.eclipse.webflow.core.validator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.org.springframework.ide.eclipse.webflow.core.validation.evaluationaction-org.springframework.ide.eclipse.webflow.core.validator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.org.springframework.ide.eclipse.webflow.core.validation.evaluationresult-org.springframework.ide.eclipse.webflow.core.validator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.org.springframework.ide.eclipse.webflow.core.validation.exceptionhandler-org.springframework.ide.eclipse.webflow.core.validator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.org.springframework.ide.eclipse.webflow.core.validation.import-org.springframework.ide.eclipse.webflow.core.validator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.org.springframework.ide.eclipse.webflow.core.validation.inputattribute-org.springframework.ide.eclipse.webflow.core.validator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.org.springframework.ide.eclipse.webflow.core.validation.mapping-org.springframework.ide.eclipse.webflow.core.validator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.org.springframework.ide.eclipse.webflow.core.validation.outputattribute-org.springframework.ide.eclipse.webflow.core.validator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.org.springframework.ide.eclipse.webflow.core.validation.set-org.springframework.ide.eclipse.webflow.core.validator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.org.springframework.ide.eclipse.webflow.core.validation.state-org.springframework.ide.eclipse.webflow.core.validator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.org.springframework.ide.eclipse.webflow.core.validation.subflowstate-org.springframework.ide.eclipse.webflow.core.validator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.org.springframework.ide.eclipse.webflow.core.validation.transition-org.springframework.ide.eclipse.webflow.core.validator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.org.springframework.ide.eclipse.webflow.core.validation.variable-org.springframework.ide.eclipse.webflow.core.validator=false
|
||||
org.springframework.ide.eclipse.core.validator.rule.enable.org.springframework.ide.eclipse.webflow.core.validation.webflowstate-org.springframework.ide.eclipse.webflow.core.validator=false
|
||||
13
cook-books/async-gateway/.springBeans
Normal file
13
cook-books/async-gateway/.springBeans
Normal file
@@ -0,0 +1,13 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<beansProjectDescription>
|
||||
<version>1</version>
|
||||
<pluginVersion><![CDATA[2.3.3.201007151000-M2]]></pluginVersion>
|
||||
<configSuffixes>
|
||||
<configSuffix><![CDATA[xml]]></configSuffix>
|
||||
</configSuffixes>
|
||||
<enableImports><![CDATA[false]]></enableImports>
|
||||
<configs>
|
||||
</configs>
|
||||
<configSets>
|
||||
</configSets>
|
||||
</beansProjectDescription>
|
||||
47
cook-books/async-gateway/pom.xml
Normal file
47
cook-books/async-gateway/pom.xml
Normal file
@@ -0,0 +1,47 @@
|
||||
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
|
||||
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
|
||||
<modelVersion>4.0.0</modelVersion>
|
||||
<groupId>org.springframework.integration.samples</groupId>
|
||||
<artifactId>async-gateway</artifactId>
|
||||
<version>2.0.0</version>
|
||||
<name>Async Gateway Demo</name>
|
||||
<packaging>jar</packaging>
|
||||
<properties>
|
||||
<spring.integration.version>2.0.0.M7</spring.integration.version>
|
||||
<log4j.version>1.2.15</log4j.version>
|
||||
<junit.version>4.7</junit.version>
|
||||
</properties>
|
||||
<dependencies>
|
||||
<dependency>
|
||||
<groupId>org.springframework.integration</groupId>
|
||||
<artifactId>spring-integration-core</artifactId>
|
||||
<version>${spring.integration.version}</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>log4j</groupId>
|
||||
<artifactId>log4j</artifactId>
|
||||
<version>${log4j.version}</version>
|
||||
</dependency>
|
||||
<!-- test-scoped dependencies -->
|
||||
<dependency>
|
||||
<groupId>junit</groupId>
|
||||
<artifactId>junit</artifactId>
|
||||
<version>${junit.version}</version>
|
||||
</dependency>
|
||||
</dependencies>
|
||||
<build>
|
||||
<plugins>
|
||||
<plugin>
|
||||
<groupId>org.apache.maven.plugins</groupId>
|
||||
<artifactId>maven-compiler-plugin</artifactId>
|
||||
<configuration>
|
||||
<source>1.5</source>
|
||||
<target>1.5</target>
|
||||
<compilerArgument>-Xlint:all</compilerArgument>
|
||||
<showWarnings>true</showWarnings>
|
||||
<showDeprecation>false</showDeprecation>
|
||||
</configuration>
|
||||
</plugin>
|
||||
</plugins>
|
||||
</build>
|
||||
</project>
|
||||
28
cook-books/async-gateway/readme.txt
Normal file
28
cook-books/async-gateway/readme.txt
Normal file
@@ -0,0 +1,28 @@
|
||||
However when you invoke a method you expect the method to return. And since gateway's method call represents a contract with the messaging system which states that for each request there will always be a reply you must always guarantee that your message flow is in compliance with such contract. And in a lot of cases you can based on how your flow is structured. But what about the cases where you can't (e.g, message was filtered out and discarded or routed into a unidirectional sub-flow)?
|
||||
With Spring Integration 2.0 we are introducing support for an Asynchronous Gateway which is
|
||||
a convenient way to initiate flows where you may not know if a reply is expected or how long will it take for it
|
||||
to arrive.
|
||||
A natural way to handle these types of scenarios in Java would be relying upon java.util.concurrent.Future
|
||||
instances, and that is exactly what Spring Integration uses to support an Asynchronous Gateway.
|
||||
|
||||
This example demonstrates how you can apply Asynchronous Gateway based on the simple use case:
|
||||
|
||||
We are sending request to a MathService to multiply random numbers by 2. As you can see from the configuration there is a filter that
|
||||
discards any request for the number that is less then a 100. This means that there will be no replies coming for the requests with
|
||||
numbers less then 100.
|
||||
Typically when using the regular Gateway the gateway method would lock until a timeout where here responses are coming back right away as Java Futures
|
||||
which we evaluate.
|
||||
|
||||
To run this sample simply execute To run this sample simply execute org.springframework.integration.samples.async.gateway.AsyncGatewayTest
|
||||
|
||||
You should see the following output:
|
||||
|
||||
INFO : org.springframework.integration.samples.async.gateway.AsyncGatewayTest - Result of multiplication of 107 by 2 is 214
|
||||
INFO : org.springframework.integration.samples.async.gateway.AsyncGatewayTest - Result of multiplication of 146 by 2 is 292
|
||||
INFO : org.springframework.integration.samples.async.gateway.AsyncGatewayTest - Result of multiplication of 189 by 2 is 378
|
||||
INFO : org.springframework.integration.samples.async.gateway.AsyncGatewayTest - Result of multiplication of 130 by 2 is 260
|
||||
. . . . .
|
||||
INFO : org.springframework.integration.samples.async.gateway.AsyncGatewayTest - Multiplication of 38 by 2 is can not be accomplished in 20 seconds
|
||||
INFO : org.springframework.integration.samples.async.gateway.AsyncGatewayTest - Multiplication of 39 by 2 is can not be accomplished in 20 seconds
|
||||
INFO : org.springframework.integration.samples.async.gateway.AsyncGatewayTest - Multiplication of 36 by 2 is can not be accomplished in 20 seconds
|
||||
INFO : org.springframework.integration.samples.async.gateway.AsyncGatewayTest - Multiplication of 37 by 2 is can not be accomplished in 20 seconds
|
||||
@@ -0,0 +1,32 @@
|
||||
/*
|
||||
* Copyright 2002-2010 the original author or authors.
|
||||
*
|
||||
* Licensed 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.springframework.integration.samples.async.gateway;
|
||||
|
||||
import java.util.Random;
|
||||
|
||||
/**
|
||||
* @author Oleg Zhurakousky
|
||||
*
|
||||
*/
|
||||
public class MathService {
|
||||
private final Random random = new Random();
|
||||
|
||||
public int multiplyByTwo(int i) throws Exception{
|
||||
long sleep = random.nextInt(10) * 500;
|
||||
Thread.sleep(sleep);
|
||||
return i*2;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,27 @@
|
||||
/*
|
||||
* Copyright 2002-2010 the original author or authors.
|
||||
*
|
||||
* Licensed 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.springframework.integration.samples.async.gateway;
|
||||
|
||||
import java.util.concurrent.Future;
|
||||
|
||||
/**
|
||||
* @author Oleg Zhurakousky
|
||||
*
|
||||
*/
|
||||
public interface MathServiceGateway {
|
||||
|
||||
Future<Integer> multiplyByTwo(int i);
|
||||
}
|
||||
@@ -0,0 +1,33 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<beans xmlns="http://www.springframework.org/schema/beans"
|
||||
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
|
||||
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
|
||||
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd
|
||||
http://www.springframework.org/schema/integration http://www.springframework.org/schema/integration/spring-integration-2.0.xsd
|
||||
http://www.springframework.org/schema/task http://www.springframework.org/schema/task/spring-task-3.0.xsd"
|
||||
xmlns:context="http://www.springframework.org/schema/context"
|
||||
xmlns:int="http://www.springframework.org/schema/integration"
|
||||
xmlns:task="http://www.springframework.org/schema/task">
|
||||
|
||||
<int:gateway id="mathService"
|
||||
service-interface="org.springframework.integration.samples.async.gateway.MathServiceGateway"
|
||||
default-request-channel="requestChannel"/>
|
||||
|
||||
<int:channel id="requestChannel">
|
||||
<int:queue/>
|
||||
</int:channel>
|
||||
|
||||
<int:filter input-channel="requestChannel" output-channel="calculatingChannel" expression="payload > 100">
|
||||
<int:poller fixed-rate="100" max-messages-per-poll="10" task-executor="executor"/>
|
||||
</int:filter>
|
||||
|
||||
<int:channel id="calculatingChannel" >
|
||||
<int:dispatcher task-executor="executor"/>
|
||||
</int:channel>
|
||||
|
||||
<int:service-activator input-channel="calculatingChannel">
|
||||
<bean class="org.springframework.integration.samples.async.gateway.MathService"/>
|
||||
</int:service-activator>
|
||||
|
||||
<task:executor id="executor" pool-size="10"/>
|
||||
</beans>
|
||||
@@ -0,0 +1,88 @@
|
||||
/*
|
||||
* Copyright 2002-2010 the original author or authors.
|
||||
*
|
||||
* Licensed 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.springframework.integration.samples.async.gateway;
|
||||
|
||||
import java.util.HashMap;
|
||||
import java.util.Map;
|
||||
import java.util.Random;
|
||||
import java.util.concurrent.ExecutionException;
|
||||
import java.util.concurrent.ExecutorService;
|
||||
import java.util.concurrent.Executors;
|
||||
import java.util.concurrent.Future;
|
||||
import java.util.concurrent.TimeUnit;
|
||||
import java.util.concurrent.TimeoutException;
|
||||
|
||||
import org.apache.log4j.Logger;
|
||||
import org.junit.Test;
|
||||
import org.springframework.context.ApplicationContext;
|
||||
import org.springframework.context.support.FileSystemXmlApplicationContext;
|
||||
/**
|
||||
* @author Oleg Zhurakousky
|
||||
*
|
||||
*/
|
||||
public class AsyncGatewayTest {
|
||||
private static Logger logger = Logger.getLogger(AsyncGatewayTest.class);
|
||||
private static ExecutorService executor = Executors.newFixedThreadPool(100);
|
||||
private static int timeout = 20;
|
||||
|
||||
@Test
|
||||
public void testAsyncGateway() throws Exception{
|
||||
ApplicationContext ac = new FileSystemXmlApplicationContext("src/main/resources/META-INF/spring/integration/*.xml");
|
||||
MathServiceGateway mathService = ac.getBean("mathService", MathServiceGateway.class);
|
||||
Map<Integer, Future<Integer>> results = new HashMap<Integer, Future<Integer>>();
|
||||
Random random = new Random();
|
||||
for (int i = 0; i < 100; i++) {
|
||||
int number = random.nextInt(200);
|
||||
Future<Integer> result = mathService.multiplyByTwo(number);
|
||||
results.put(number, result);
|
||||
}
|
||||
for (final Map.Entry<Integer, Future<Integer>> resultEntry : results.entrySet()) {
|
||||
executor.execute(new Runnable() {
|
||||
public void run() {
|
||||
int[] result = processFuture(resultEntry);
|
||||
|
||||
if (result[1] == -1){
|
||||
logger.info("Multiplying " + result[0] + " should be easy. You should be able to multiply any number < 100 by 2 in your head");
|
||||
} else if (result[1] == -2){
|
||||
logger.info("Multiplication of " + result[0] + " by 2 is can not be accomplished in " + timeout + " seconds");
|
||||
} else {
|
||||
logger.info("Result of multiplication of " + result[0] + " by 2 is " + result[1]);
|
||||
}
|
||||
}
|
||||
});
|
||||
}
|
||||
executor.shutdown();
|
||||
executor.awaitTermination(60, TimeUnit.SECONDS);
|
||||
logger.info("Finished");
|
||||
}
|
||||
|
||||
public static int[] processFuture(Map.Entry<Integer, Future<Integer>> resultEntry){
|
||||
int originalNumber = resultEntry.getKey();
|
||||
Future<Integer> result = resultEntry.getValue();
|
||||
try {
|
||||
int finalResult = result.get(timeout, TimeUnit.SECONDS);
|
||||
return new int[]{originalNumber, finalResult};
|
||||
} catch (ExecutionException e) {
|
||||
return new int[]{originalNumber, -1};
|
||||
} catch (TimeoutException tex){
|
||||
return new int[]{originalNumber, -2};
|
||||
} catch (Exception ex){
|
||||
System.out.println();
|
||||
// ignore
|
||||
}
|
||||
return null;
|
||||
}
|
||||
}
|
||||
26
cook-books/async-gateway/src/test/resources/log4j.xml
Normal file
26
cook-books/async-gateway/src/test/resources/log4j.xml
Normal file
@@ -0,0 +1,26 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">
|
||||
<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/">
|
||||
|
||||
<!-- Appenders -->
|
||||
<appender name="console" class="org.apache.log4j.ConsoleAppender">
|
||||
<param name="Target" value="System.out" />
|
||||
<layout class="org.apache.log4j.PatternLayout">
|
||||
<param name="ConversionPattern" value="%-5p: %c - %m%n" />
|
||||
</layout>
|
||||
</appender>
|
||||
<logger name="org.springframework.integration">
|
||||
<level value="warn" />
|
||||
</logger>
|
||||
|
||||
<logger name="org.springframework.integration.samples.async.gateway">
|
||||
<level value="debug" />
|
||||
</logger>
|
||||
|
||||
<!-- Root Logger -->
|
||||
<root>
|
||||
<priority value="warn" />
|
||||
<appender-ref ref="console" />
|
||||
</root>
|
||||
|
||||
</log4j:configuration>
|
||||
@@ -1,3 +1,10 @@
|
||||
This sample demonstrates how you can send a multipart request to a Spring Integration's HTTP service using Spring's RestTemplate
|
||||
It consists of two parts - Client and Server.
|
||||
|
||||
Client uses Spring's RestTemplate to assemble and send multipart request
|
||||
|
||||
Server is Spring Integration's HTTP endpoint configuration.
|
||||
|
||||
To run this sample
|
||||
1) deploy project
|
||||
- If you are using STS and project is imported as Eclipse project in your workspace you can just execute 'Run on Server'
|
||||
@@ -6,6 +13,6 @@ To run this sample
|
||||
|
||||
You should see the following output from the server:
|
||||
|
||||
### Successfully recieved multipart request ###
|
||||
company - SpringSource
|
||||
company-logo - as UploadedMultipartFile: spring09_logo.png
|
||||
INFO : ...MultipartClient - Successfully recieved multipart request: {company=[[Ljava.lang.String;@147e8bd9], company-logo=[org.springframework.integration.http.UploadedMultipartFile@f5e12]}
|
||||
INFO : ...MultipartClient - company - SpringSource
|
||||
INFO : org.springframework.integration.samples.multipart.MultipartClient - company-logo - as UploadedMultipartFile: spring09_logo.png
|
||||
|
||||
Reference in New Issue
Block a user