INTEXT-116: Migrate to Gradle

JIRA: https://jira.spring.io/browse/INTEXT-116

Fix all compilation and JavaDocs warnings

INTEXT-116: Addressing PR comments

src/main/java/org/springframework/integration/flow/ChannelNamePortConfiguration.java

@@ -1,12 +1,12 @@
 /*
  * Copyright 2002-2011 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
@@ -25,7 +25,7 @@ import java.util.List;
 /**
  * Container for {@link Flow} {@link PortConfiguration} metadata
  * @author David Turanski
- * 
+ *
  */
 public class ChannelNamePortConfiguration implements PortConfiguration {
 
@@ -46,8 +46,8 @@ public class ChannelNamePortConfiguration implements PortConfiguration {
 
 	/**
 	 * A simple configuration for a flow with one input and one output port
-	 * @param inputChannelName
-	 * @param outputChannelName
+	 * @param inputChannelName the input channel name.
+	 * @param outputChannelName the output channel name.
 	 */
 	public ChannelNamePortConfiguration(String inputChannelName, String outputChannelName) {
 		this.inputPortMetadata = new PortMetadata("input", inputChannelName);

src/main/java/org/springframework/integration/flow/Flow.java

@@ -46,7 +46,8 @@ import org.springframework.util.StringUtils;
  * @author David Turanski
  *
  */
-public class Flow implements InitializingBean, BeanNameAware, DestinationResolver, ApplicationContextAware {
+public class Flow
+		implements InitializingBean, BeanNameAware, DestinationResolver<MessageChannel>, ApplicationContextAware {
 
 	private static Log logger = LogFactory.getLog(Flow.class);
 
@@ -216,7 +217,7 @@ public class Flow implements InitializingBean, BeanNameAware, DestinationResolve
 	/**
 	 * All flow outputs defined in the {@link PortConfiguration} are bridged to
 	 * a single PublishSubscribeChannel
-	 * @param the publish-subscribe channel
+	 * @param flowOutputChannel the publish-subscribe channel
 	 */
 	public void setFlowOutputChannel(SubscribableChannel flowOutputChannel) {
 		this.flowOutputChannel = flowOutputChannel;

src/main/java/org/springframework/integration/flow/FlowConfiguration.java

@@ -1,12 +1,12 @@
 /*
  * Copyright 2002-2011 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
@@ -18,28 +18,24 @@ package org.springframework.integration.flow;
 import java.util.List;
 
 /**
- * A container holding a {@link Flow} configuration. A flow configuration 
+ * A container holding a {@link Flow} configuration. A flow configuration
  * may contain multiple {@link PortConfiguration}s
- * 
+ *
  * @author David Turanski
- * 
+ *
  */
 public class FlowConfiguration {
 
 	private final List<PortConfiguration> portConfigurations;
-	
-	/**
-	 * 
-	 * @param portConfigurations  
-	 */ 
+
 	public FlowConfiguration(List<PortConfiguration> portConfigurations) {
 		this.portConfigurations = portConfigurations;
 	}
 
 	/**
-	 * Get the configuration by input port name
-	 * @param inputPortName
-	 * @return
+	 * Get the configuration by input port name.
+	 * @param inputPortName the input port name.
+	 * @return the configuration.
 	 */
 	public PortConfiguration getConfigurationForInputPort(String inputPortName) {
 		for (PortConfiguration pc : portConfigurations) {

src/main/java/org/springframework/integration/flow/config/FlowMessageHandlerFactoryBean.java

@@ -31,7 +31,7 @@ import org.springframework.util.Assert;
  * @author David Turanski
  *
  */
-public class FlowMessageHandlerFactoryBean extends AbstractSimpleMessageHandlerFactoryBean
+public class FlowMessageHandlerFactoryBean extends AbstractSimpleMessageHandlerFactoryBean<FlowMessageHandler>
 		implements InitializingBean {
 
 	@SuppressWarnings("unused")
@@ -88,10 +88,6 @@ public class FlowMessageHandlerFactoryBean extends AbstractSimpleMessageHandlerF
 		this.timeout = timeout;
 	}
 
-	/**
-	 *
-	 * @param errorChannel
-	 */
 	public void setErrorChannel(MessageChannel errorChannel) {
 		this.errorChannel = errorChannel;
 	}

src/main/java/org/springframework/integration/flow/config/FlowUtils.java

@@ -1,11 +1,11 @@
 /*
  * Copyright 2002-2011 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.
@@ -33,35 +33,21 @@ import org.springframework.util.ResourceUtils;
 
 /**
  * Utility functions used by the flow parsers
- * 
+ *
  * @author David Turanski
- * 
+ *
  */
 public class FlowUtils {
 
 	private FlowUtils() {
 	}
 
-	/**
-	 * Create a bridge
-	 * 
-	 * @param inputChannel
-	 * @param outputChannel
-	 */
-
 	public static void bridgeChannels(SubscribableChannel inputChannel, MessageChannel outputChannel) {
 		BridgeHandler bridgeHandler = new BridgeHandler();
 		bridgeHandler.setOutputChannel(outputChannel);
 		inputChannel.subscribe(bridgeHandler);
 	}
 
-	/**
-	 * Register a bean with "flow" prefix
-	 * 
-	 * @param beanDefinition
-	 * @param registry
-	 * @return
-	 */
 	public static String registerBeanDefinition(BeanDefinition beanDefinition, BeanDefinitionRegistry registry) {
 		String beanName = BeanDefinitionReaderUtils.generateBeanName(beanDefinition, registry);
 		beanName = "flow." + beanName;
@@ -116,20 +102,20 @@ public class FlowUtils {
 	}
 
 	private static void _displayDependencies(ConfigurableListableBeanFactory beanFactory, String[] beans, int level) {
-		for (int i = 0; i < beans.length; i++) {
+		for (String bean : beans) {
 
-			System.out.println(indent(level) + beans[i]);
+			System.out.println(indent(level) + bean);
 
-			String[] dependencies = beanFactory.getDependenciesForBean(beans[i]);
+			String[] dependencies = beanFactory.getDependenciesForBean(bean);
 			String[] depsArray = new String[dependencies.length];
 			int index = 0;
 			for (String dependency : dependencies) {
-				if (!dependency.equals(beans[i])) {
+				if (!dependency.equals(bean)) {
 
 					depsArray[index++] = dependency;
 				}
 				else {
-					System.out.println(indent(level + 1) + beans[i]);
+					System.out.println(indent(level + 1) + bean);
 				}
 			}
 			if (depsArray.length > 0) {