Polishing

(cherry picked from commit c926ec4)

spring-beans/src/main/java/org/springframework/beans/factory/support/DefaultListableBeanFactory.java

@@ -616,10 +616,12 @@ public class DefaultListableBeanFactory extends AbstractAutowireCapableBeanFacto
 
 	@Override
 	public void registerResolvableDependency(Class<?> dependencyType, Object autowiredValue) {
-		Assert.notNull(dependencyType, "Type must not be null");
+		Assert.notNull(dependencyType, "Dependency type must not be null");
 		if (autowiredValue != null) {
-			Assert.isTrue((autowiredValue instanceof ObjectFactory || dependencyType.isInstance(autowiredValue)),
-					"Value [" + autowiredValue + "] does not implement specified type [" + dependencyType.getName() + "]");
+			if (!(autowiredValue instanceof ObjectFactory || dependencyType.isInstance(autowiredValue))) {
+				throw new IllegalArgumentException("Value [" + autowiredValue +
+						"] does not implement specified dependency type [" + dependencyType.getName() + "]");
+			}
 			this.resolvableDependencies.put(dependencyType, autowiredValue);
 		}
 	}
@@ -1545,7 +1547,7 @@ public class DefaultListableBeanFactory extends AbstractAutowireCapableBeanFacto
 				sources.add(factoryMethod);
 			}
 			Class<?> targetType = beanDefinition.getTargetType();
-			if (targetType != null && !targetType.equals(obj.getClass())) {
+			if (targetType != null && targetType != obj.getClass()) {
 				sources.add(targetType);
 			}
 			return sources.toArray(new Object[sources.size()]);

spring-context/src/main/java/org/springframework/scheduling/support/CronSequenceGenerator.java

@@ -42,6 +42,7 @@ import org.springframework.util.StringUtils;
  * <li>"0 0 * * * *" = the top of every hour of every day.</li>
  * <li>"*&#47;10 * * * * *" = every ten seconds.</li>
  * <li>"0 0 8-10 * * *" = 8, 9 and 10 o'clock of every day.</li>
+ * <li>"0 * 6,19 * * *" = 6:00 AM and 7:00 PM every day.</li>
  * <li>"0 0/30 8-10 * * *" = 8:00, 8:30, 9:00, 9:30 and 10 o'clock every day.</li>
  * <li>"0 0 9-17 * * MON-FRI" = on the hour nine-to-five weekdays</li>
  * <li>"0 0 0 25 12 ?" = every Christmas Day at midnight</li>
@@ -115,7 +116,7 @@ public class CronSequenceGenerator {
 		/*
 		The plan:
 
-		1 Round up to the next whole second
+		1 Start with whole second (rounding up if necessary)
 
 		2 If seconds match move on, otherwise find the next match:
 		2.1 If next match is in the next minute then roll forwards
@@ -127,8 +128,6 @@ public class CronSequenceGenerator {
 		4 If hour matches move on, otherwise find the next match
 		4.1 If next match is in the next day then roll forwards,
 		4.2 Reset the minutes and seconds and go to 2
-
-		...
 		*/
 
 		Calendar calendar = new GregorianCalendar();
@@ -409,7 +408,7 @@ public class CronSequenceGenerator {
 
 	@Override
 	public String toString() {
-		return (getClass().getSimpleName() + ": " + this.expression);
+		return getClass().getSimpleName() + ": " + this.expression;
 	}
 
 }

spring-context/src/main/java/org/springframework/scripting/config/ScriptBeanDefinitionParser.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2015 the original author or authors.
+ * Copyright 2002-2016 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.
@@ -35,17 +35,17 @@ import org.springframework.util.xml.DomUtils;
 
 /**
  * BeanDefinitionParser implementation for the '{@code <lang:groovy/>}',
- * '{@code <lang:jruby/>}' and '{@code <lang:bsh/>}' tags.
+ * '{@code <lang:std/>}' and '{@code <lang:bsh/>}' tags.
  * Allows for objects written using dynamic languages to be easily exposed with
  * the {@link org.springframework.beans.factory.BeanFactory}.
  *
- * <p>The script for each object can be specified either as a reference to the Resource
- * containing it (using the '{@code script-source}' attribute) or inline in the XML configuration
- * itself (using the '{@code inline-script}' attribute.
+ * <p>The script for each object can be specified either as a reference to the
+ * resource containing it (using the '{@code script-source}' attribute) or inline
+ * in the XML configuration itself (using the '{@code inline-script}' attribute.
  *
- * <p>By default, dynamic objects created with these tags are <strong>not</strong> refreshable.
- * To enable refreshing, specify the refresh check delay for each object (in milliseconds) using the
- * '{@code refresh-check-delay}' attribute.
+ * <p>By default, dynamic objects created with these tags are <strong>not</strong>
+ * refreshable. To enable refreshing, specify the refresh check delay for each
+ * object (in milliseconds) using the '{@code refresh-check-delay}' attribute.
  *
  * @author Rob Harrop
  * @author Rod Johnson
@@ -176,14 +176,13 @@ class ScriptBeanDefinitionParser extends AbstractBeanDefinitionParser {
 		// Attach any refresh metadata.
 		String refreshCheckDelay = element.getAttribute(REFRESH_CHECK_DELAY_ATTRIBUTE);
 		if (StringUtils.hasText(refreshCheckDelay)) {
-			bd.setAttribute(ScriptFactoryPostProcessor.REFRESH_CHECK_DELAY_ATTRIBUTE, new Long(refreshCheckDelay));
+			bd.setAttribute(ScriptFactoryPostProcessor.REFRESH_CHECK_DELAY_ATTRIBUTE, Long.valueOf(refreshCheckDelay));
 		}
 
 		// Attach any proxy target class metadata.
 		String proxyTargetClass = element.getAttribute(PROXY_TARGET_CLASS_ATTRIBUTE);
 		if (StringUtils.hasText(proxyTargetClass)) {
-			Boolean flag = new Boolean(proxyTargetClass);
-			bd.setAttribute(ScriptFactoryPostProcessor.PROXY_TARGET_CLASS_ATTRIBUTE, flag);
+			bd.setAttribute(ScriptFactoryPostProcessor.PROXY_TARGET_CLASS_ATTRIBUTE, Boolean.valueOf(proxyTargetClass));
 		}
 
 		// Add constructor arguments.

spring-context/src/main/java/org/springframework/scripting/config/ScriptingDefaultsParser.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2016 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.
@@ -41,7 +41,7 @@ public class ScriptingDefaultsParser implements BeanDefinitionParser {
 				LangNamespaceUtils.registerScriptFactoryPostProcessorIfNecessary(parserContext.getRegistry());
 		String refreshCheckDelay = element.getAttribute(REFRESH_CHECK_DELAY_ATTRIBUTE);
 		if (StringUtils.hasText(refreshCheckDelay)) {
-			bd.getPropertyValues().add("defaultRefreshCheckDelay", new Long(refreshCheckDelay));
+			bd.getPropertyValues().add("defaultRefreshCheckDelay", Long.valueOf(refreshCheckDelay));
 		}
 		String proxyTargetClass = element.getAttribute(PROXY_TARGET_CLASS_ATTRIBUTE);
 		if (StringUtils.hasText(proxyTargetClass)) {

spring-jdbc/src/main/java/org/springframework/jdbc/datasource/ConnectionHolder.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2016 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.
@@ -161,9 +161,9 @@ public class ConnectionHolder extends ResourceHolderSupport {
 	 */
 	public boolean supportsSavepoints() throws SQLException {
 		if (this.savepointsSupported == null) {
-			this.savepointsSupported = new Boolean(getConnection().getMetaData().supportsSavepoints());
+			this.savepointsSupported = getConnection().getMetaData().supportsSavepoints();
 		}
-		return this.savepointsSupported.booleanValue();
+		return this.savepointsSupported;
 	}
 
 	/**

spring-jms/src/main/java/org/springframework/jms/config/JcaListenerContainerParser.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2014 the original author or authors.
+ * Copyright 2002-2016 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.
@@ -88,7 +88,7 @@ class JcaListenerContainerParser extends AbstractListenerContainerParser {
 
 		String prefetch = containerEle.getAttribute(PREFETCH_ATTRIBUTE);
 		if (StringUtils.hasText(prefetch)) {
-			properties.add("prefetchSize", new Integer(prefetch));
+			properties.add("prefetchSize", Integer.valueOf(prefetch));
 		}
 
 		return properties;

spring-web/src/main/java/org/springframework/http/HttpHeaders.java

@@ -442,10 +442,10 @@ public class HttpHeaders implements MultiValueMap<String, String>, Serializable
 	}
 
 	/**
-	 * Returns the value of the {@code Access-Control-Allow-Credentials} response header.
+	 * Return the value of the {@code Access-Control-Allow-Credentials} response header.
 	 */
 	public boolean getAccessControlAllowCredentials() {
-		return new Boolean(getFirst(ACCESS_CONTROL_ALLOW_CREDENTIALS));
+		return Boolean.parseBoolean(getFirst(ACCESS_CONTROL_ALLOW_CREDENTIALS));
 	}
 
 	/**
@@ -456,7 +456,7 @@ public class HttpHeaders implements MultiValueMap<String, String>, Serializable
 	}
 
 	/**
-	 * Returns the value of the {@code Access-Control-Allow-Headers} response header.
+	 * Return the value of the {@code Access-Control-Allow-Headers} response header.
 	 */
 	public List<String> getAccessControlAllowHeaders() {
 		return getFirstValueAsList(ACCESS_CONTROL_ALLOW_HEADERS);
@@ -509,7 +509,7 @@ public class HttpHeaders implements MultiValueMap<String, String>, Serializable
 	}
 
 	/**
-	 * Returns the value of the {@code Access-Control-Expose-Headers} response header.
+	 * Return the value of the {@code Access-Control-Expose-Headers} response header.
 	 */
 	public List<String> getAccessControlExposeHeaders() {
 		return getFirstValueAsList(ACCESS_CONTROL_EXPOSE_HEADERS);
@@ -523,7 +523,7 @@ public class HttpHeaders implements MultiValueMap<String, String>, Serializable
 	}
 
 	/**
-	 * Returns the value of the {@code Access-Control-Max-Age} response header.
+	 * Return the value of the {@code Access-Control-Max-Age} response header.
 	 * <p>Returns -1 when the max age is unknown.
 	 */
 	public long getAccessControlMaxAge() {
@@ -539,7 +539,7 @@ public class HttpHeaders implements MultiValueMap<String, String>, Serializable
 	}
 
 	/**
-	 * Returns the value of the {@code Access-Control-Request-Headers} request header.
+	 * Return the value of the {@code Access-Control-Request-Headers} request header.
 	 */
 	public List<String> getAccessControlRequestHeaders() {
 		return getFirstValueAsList(ACCESS_CONTROL_REQUEST_HEADERS);

spring-webmvc/src/main/java/org/springframework/web/servlet/handler/SimpleMappingExceptionResolver.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2015 the original author or authors.
+ * Copyright 2002-2016 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.
@@ -46,6 +46,7 @@ public class SimpleMappingExceptionResolver extends AbstractHandlerExceptionReso
 	/** The default name of the exception attribute: "exception". */
 	public static final String DEFAULT_EXCEPTION_ATTRIBUTE = "exception";
 
+
 	private Properties exceptionMappings;
 
 	private Class<?>[] excludedExceptions;
@@ -108,7 +109,7 @@ public class SimpleMappingExceptionResolver extends AbstractHandlerExceptionReso
 	public void setStatusCodes(Properties statusCodes) {
 		for (Enumeration<?> enumeration = statusCodes.propertyNames(); enumeration.hasMoreElements();) {
 			String viewName = (String) enumeration.nextElement();
-			Integer statusCode = new Integer(statusCodes.getProperty(viewName));
+			Integer statusCode = Integer.valueOf(statusCodes.getProperty(viewName));
 			this.statusCodes.put(viewName, statusCode);
 		}
 	}

spring-webmvc/src/main/java/org/springframework/web/servlet/view/jasperreports/AbstractJasperReportsView.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2014 the original author or authors.
+ * Copyright 2002-2016 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.
@@ -390,7 +390,7 @@ public abstract class AbstractJasperReportsView extends AbstractUrlBasedView {
 			else if (str.length() > 0 && Character.isDigit(str.charAt(0))) {
 				// Looks like a number... let's try.
 				try {
-					return new Integer(str);
+					return Integer.valueOf(str);
 				}
 				catch (NumberFormatException ex) {
 					// OK, then let's keep it as a String value.