Polishing

(cherry picked from commit 22ca7ac)

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

@@ -509,10 +509,12 @@ public class DefaultListableBeanFactory extends AbstractAutowireCapableBeanFacto
 	//---------------------------------------------------------------------
 
 	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);
 		}
 	}

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 2002-2013 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.
@@ -39,13 +39,13 @@ import org.springframework.util.xml.DomUtils;
  * 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
@@ -171,14 +171,13 @@ 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.
@@ -213,7 +212,7 @@ class ScriptBeanDefinitionParser extends AbstractBeanDefinitionParser {
 	 */
 	private String resolveScriptSource(Element element, XmlReaderContext readerContext) {
 		boolean hasScriptSource = element.hasAttribute(SCRIPT_SOURCE_ATTRIBUTE);
-		List elements = DomUtils.getChildElementsByTagName(element, INLINE_SCRIPT_ELEMENT);
+		List<Element> elements = DomUtils.getChildElementsByTagName(element, INLINE_SCRIPT_ELEMENT);
 		if (hasScriptSource && !elements.isEmpty()) {
 			readerContext.error("Only one of 'script-source' and 'inline-script' should be specified.", element);
 			return null;
@@ -222,7 +221,7 @@ class ScriptBeanDefinitionParser extends AbstractBeanDefinitionParser {
 			return element.getAttribute(SCRIPT_SOURCE_ATTRIBUTE);
 		}
 		else if (!elements.isEmpty()) {
-			Element inlineElement = (Element) elements.get(0);
+			Element inlineElement = elements.get(0);
 			return "inline:" + DomUtils.getTextValue(inlineElement);
 		}
 		else {

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.
@@ -40,7 +40,7 @@ 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 2002-2012 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.
@@ -95,7 +95,7 @@ class JcaListenerContainerParser extends AbstractListenerContainerParser {
 
 		String prefetch = containerEle.getAttribute(PREFETCH_ATTRIBUTE);
 		if (StringUtils.hasText(prefetch)) {
-			configDef.getPropertyValues().add("prefetchSize", new Integer(prefetch));
+			configDef.getPropertyValues().add("prefetchSize", Integer.valueOf(prefetch));
 		}
 
 		String phase = containerEle.getAttribute(PHASE_ATTRIBUTE);

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2013 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 2002-2013 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.
@@ -312,7 +312,7 @@ public abstract class AbstractJasperReportsView extends AbstractUrlBasedView {
 						"'reportDataKey' for main report is required when specifying a value for 'subReportDataKeys'");
 			}
 			this.subReports = new HashMap<String, JasperReport>(this.subReportUrls.size());
-			for (Enumeration urls = this.subReportUrls.propertyNames(); urls.hasMoreElements();) {
+			for (Enumeration<?> urls = this.subReportUrls.propertyNames(); urls.hasMoreElements();) {
 				String key = (String) urls.nextElement();
 				String path = this.subReportUrls.getProperty(key);
 				Resource resource = getApplicationContext().getResource(path);
@@ -383,7 +383,7 @@ 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.