INT-1477 restructuring samples repo to have basic, intermediate, advancedand applications directories

basic/oddeven/src/main/java/org/springframework/integration/samples/oddeven/Counter.java

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+/*
+ * 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.oddeven;
+
+import java.util.concurrent.atomic.AtomicInteger;
+
+/**
+ * A simple POJO providing a method that returns incrementing integer values.
+ * This is referenced in the sample's configuration by an inbound Channel
+ * Adapter acting as a Polling Consumer.
+ * <p/>
+ * Every 5th number will be returned as a negative value.
+ * 
+ * @author Mark Fisher
+ */
+public class Counter {
+
+	private final AtomicInteger count = new AtomicInteger();
+
+	public int next() {
+		int nextNumber = count.incrementAndGet();
+		return (nextNumber % 5 == 0) ? -nextNumber : nextNumber;
+	}
+
+}

basic/oddeven/src/main/java/org/springframework/integration/samples/oddeven/EvenLogger.java

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+/*
+ * 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.oddeven;
+
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+import org.apache.log4j.Logger;
+import org.springframework.integration.annotation.MessageEndpoint;
+import org.springframework.integration.annotation.ServiceActivator;
+
+/**
+ * A POJO Service Activator that logs even numbers and the current time.
+ * 
+ * @author Mark Fisher
+ * @author Marius Bogoevici
+ */
+@MessageEndpoint
+public class EvenLogger {
+	private static Logger logger = Logger.getLogger(EvenLogger.class);
+	
+	@ServiceActivator
+	public void log(int i) {
+		logger.info("even: " + i + " at " + new SimpleDateFormat("yyyy-MM-dd hh:mm:ss").format(new Date()));
+	}
+
+}

basic/oddeven/src/main/java/org/springframework/integration/samples/oddeven/OddLogger.java

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+/*
+ * 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.oddeven;
+
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+import org.apache.log4j.Logger;
+import org.springframework.integration.annotation.MessageEndpoint;
+import org.springframework.integration.annotation.ServiceActivator;
+
+/**
+ * A POJO Service Activator that logs odd numbers and the current time.
+ * 
+ * @author Mark Fisher
+ * @author Marius Bogoevici
+ */
+@MessageEndpoint
+public class OddLogger {
+	private static Logger logger = Logger.getLogger(OddLogger.class);
+
+	@ServiceActivator
+	public void log(int i) {
+		logger.info("odd:  " + i  + " at " + new SimpleDateFormat("yyyy-MM-dd hh:mm:ss").format(new Date()));
+	}
+
+}

basic/oddeven/src/main/resources/META-INF/spring/integration/cronOddEvenDemo.xml

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+<?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"
+	xsi:schemaLocation="http://www.springframework.org/schema/beans
+			http://www.springframework.org/schema/beans/spring-beans.xsd
+			http://www.springframework.org/schema/integration
+			http://www.springframework.org/schema/integration/spring-integration.xsd">
+
+	<annotation-config/>
+
+	<channel id="even"/>
+	<channel id="odd"/>
+
+	<inbound-channel-adapter id="numbers" ref="counter" method="next">
+		<poller max-messages-per-poll="1" cron="1,2,3,5,8,13,21,34,55 * * * * ?"/>
+	</inbound-channel-adapter>
+
+	<filter input-channel="numbers" output-channel="positives"
+			expression="payload > 0"
+			discard-channel="nullChannel"/>
+
+	<router input-channel="positives" expression="payload % 2 == 0 ? 'even' : 'odd'"/>
+
+	<service-activator input-channel="odd" ref="oddLogger"/>
+
+	<service-activator input-channel="even" ref="evenLogger"/>
+
+	<beans:bean id="counter" class="org.springframework.integration.samples.oddeven.Counter"/>
+
+	<beans:bean id="oddLogger" class="org.springframework.integration.samples.oddeven.OddLogger"/>
+
+	<beans:bean id="evenLogger" class="org.springframework.integration.samples.oddeven.EvenLogger"/>
+
+</beans:beans>

basic/oddeven/src/main/resources/META-INF/spring/integration/intervalOddEvenDemo.xml

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+<?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"
+	xsi:schemaLocation="http://www.springframework.org/schema/beans
+			http://www.springframework.org/schema/beans/spring-beans.xsd
+			http://www.springframework.org/schema/integration
+			http://www.springframework.org/schema/integration/spring-integration.xsd">
+
+	<annotation-config/>
+
+	<channel id="even"/>
+	<channel id="odd"/>
+
+	<inbound-channel-adapter id="numbers" ref="counter" method="next">
+		<poller max-messages-per-poll="1" fixed-delay="3000"/>
+	</inbound-channel-adapter>
+
+	<router input-channel="numbers" expression="payload % 2 == 0 ? 'even' : 'odd'"/>
+
+	<service-activator input-channel="odd" ref="oddLogger"/>
+
+	<service-activator input-channel="even" ref="evenLogger"/>
+
+	<beans:bean id="counter" class="org.springframework.integration.samples.oddeven.Counter"/>
+
+	<beans:bean id="oddLogger" class="org.springframework.integration.samples.oddeven.OddLogger"/>
+
+	<beans:bean id="evenLogger" class="org.springframework.integration.samples.oddeven.EvenLogger"/>
+
+</beans:beans>

basic/oddeven/src/test/java/org/springframework/integration/samples/oddeven/CronOddEvenDemo.java

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+/*
+ * 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.oddeven;
+
+import org.springframework.context.support.ClassPathXmlApplicationContext;
+
+/**
+ * Demonstrates a method-invoking inbound Channel Adapter acting as a Polling
+ * Consumer with a cron-based trigger. That adapter is followed, downstream, by
+ * a simple method-invoking Message Filter that discards negative numbers to
+ * the "nullChannel". Next is a Content Based Router. The router sends to one of
+ * two channels based on whether the payload number is odd or even. Each of
+ * those two channels has an Event Driven Consumer ready to log the number
+ * and the current time.
+ * <p>
+ * See the 'cronOddEvenDemo.xml' configuration file for more detail. The cron
+ * expression is based on the Fibonacci sequence. Feel free to modify it.
+ * 
+ * @author Mark Fisher
+ */
+public class CronOddEvenDemo {
+
+	public static void main(String[] args) {
+		new ClassPathXmlApplicationContext("/META-INF/spring/integration/cronOddEvenDemo.xml", CronOddEvenDemo.class);
+	}
+
+}

basic/oddeven/src/test/java/org/springframework/integration/samples/oddeven/IntervalOddEvenDemoTest.java

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+/*
+ * 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.oddeven;
+
+import org.springframework.context.support.ClassPathXmlApplicationContext;
+
+/**
+ * Demonstrates a method-invoking inbound Channel Adapter acting as a Polling
+ * Consumer with an interval-based trigger. That adapter is followed,
+ * downstream, by a simple method-invoking Message Filter that discards
+ * negative numbers to the "nullChannel". Next is a Content Based Router. The
+ * router sends to one of two channels based on whether the payload number is
+ * odd or even. Each of those two channels has an Event Driven Consumer ready
+ * to log the number and the current time.
+ * <p>
+ * See the 'intervalOddEvenDemo.xml' configuration file for more detail.
+ * 
+ * @author Mark Fisher
+ */
+public class IntervalOddEvenDemoTest {
+
+	public static void main(String[] args) {
+		new ClassPathXmlApplicationContext("/META-INF/spring/integration/intervalOddEvenDemo.xml", IntervalOddEvenDemoTest.class);
+	}
+
+}

basic/oddeven/src/test/resources/log4j.xml

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+<?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>
+
+	<!-- Loggers -->
+	<logger name="org.springframework">
+		<level value="warn" />
+	</logger>
+
+	<logger name="org.springframework.integration.samples">
+		<level value="debug" />
+	</logger>
+
+	<logger name="org.springframework.integration.channel.NullChannel">
+		<level value="debug" />
+	</logger>
+
+	<!-- Root Logger -->
+	<root>
+		<priority value="warn" />
+		<appender-ref ref="console" />
+	</root>
+	
+</log4j:configuration>