Polishing

spring-context/src/main/java/org/springframework/format/datetime/DateFormatter.java

@@ -29,7 +29,6 @@ import java.util.TimeZone;
 import org.springframework.format.Formatter;
 import org.springframework.format.annotation.DateTimeFormat;
 import org.springframework.format.annotation.DateTimeFormat.ISO;
-import org.springframework.util.Assert;
 import org.springframework.util.StringUtils;
 
 /**
@@ -45,6 +44,7 @@ import org.springframework.util.StringUtils;
 public class DateFormatter implements Formatter<Date> {
 
 	private static final Map<ISO, String> ISO_PATTERNS;
+
 	static {
 		Map<ISO, String> formats = new HashMap<DateTimeFormat.ISO, String>(4);
 		formats.put(ISO.DATE, "yyyy-MM-dd");
@@ -170,34 +170,36 @@ public class DateFormatter implements Formatter<Date> {
 		if (StringUtils.hasLength(this.pattern)) {
 			return new SimpleDateFormat(this.pattern, locale);
 		}
-		if (iso != null && iso != ISO.NONE) {
-			String pattern = ISO_PATTERNS.get(iso);
-			Assert.state(pattern != null, "Unsupported ISO format " + iso);
+		if (this.iso != null && this.iso != ISO.NONE) {
+			String pattern = ISO_PATTERNS.get(this.iso);
+			if (pattern == null) {
+				throw new IllegalStateException("Unsupported ISO format " + this.iso);
+			}
 			SimpleDateFormat format = new SimpleDateFormat(pattern);
 			format.setTimeZone(TimeZone.getTimeZone("UTC"));
 			return format;
 		}
-		if(StringUtils.hasLength(stylePattern)) {
+		if (StringUtils.hasLength(this.stylePattern)) {
 			int dateStyle = getStylePatternForChar(0);
 			int timeStyle = getStylePatternForChar(1);
-			if(dateStyle != -1 && timeStyle != -1) {
+			if (dateStyle != -1 && timeStyle != -1) {
 				return DateFormat.getDateTimeInstance(dateStyle, timeStyle, locale);
 			}
-			if(dateStyle != -1) {
+			if (dateStyle != -1) {
 				return DateFormat.getDateInstance(dateStyle, locale);
 			}
-			if(timeStyle != -1) {
+			if (timeStyle != -1) {
 				return DateFormat.getTimeInstance(timeStyle, locale);
 			}
-			throw new IllegalStateException("Unsupported style pattern '"+ stylePattern+ "'");
+			throw new IllegalStateException("Unsupported style pattern '"+ this.stylePattern+ "'");
 
 		}
 		return DateFormat.getDateInstance(this.style, locale);
 	}
 
 	private int getStylePatternForChar(int index) {
-		if(stylePattern != null && stylePattern.length() > index) {
-			switch (stylePattern.charAt(index)) {
+		if (this.stylePattern != null && this.stylePattern.length() > index) {
+			switch (this.stylePattern.charAt(index)) {
 				case 'S': return DateFormat.SHORT;
 				case 'M': return DateFormat.MEDIUM;
 				case 'L': return DateFormat.LONG;
@@ -205,7 +207,7 @@ public class DateFormatter implements Formatter<Date> {
 				case '-': return -1;
 			}
 		}
-		throw new IllegalStateException("Unsupported style pattern '"+ stylePattern+ "'");
+		throw new IllegalStateException("Unsupported style pattern '" + this.stylePattern + "'");
 	}
 
 }

spring-jdbc/src/main/java/org/springframework/jdbc/core/metadata/HsqlTableMetaDataProvider.java

 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2013 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.
@@ -20,8 +20,8 @@ import java.sql.DatabaseMetaData;
 import java.sql.SQLException;
 
 /**
- * The HSQL specific implementation of the {@link TableMetaDataProvider}. Suports a feature for
- * retreiving generated keys without the JDBC 3.0 getGeneratedKeys support.
+ * The HSQL specific implementation of the {@link TableMetaDataProvider}.
+ * Supports a feature for retreiving generated keys without the JDBC 3.0 getGeneratedKeys support.
  *
  * @author Thomas Risberg
  * @since 2.5
@@ -32,15 +32,14 @@ public class HsqlTableMetaDataProvider extends GenericTableMetaDataProvider {
 		super(databaseMetaData);
 	}
 
-
 	@Override
 	public boolean isGetGeneratedKeysSimulated() {
 		return true;
 	}
 
-
 	@Override
 	public String getSimpleQueryForGetGeneratedKey(String tableName, String keyColumnName) {
 		return "select max(identity()) from " + tableName;
 	}
+
 }

spring-web/src/main/java/org/springframework/web/util/CookieGenerator.java

 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2013 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.
@@ -22,13 +22,15 @@ import javax.servlet.http.HttpServletResponse;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 
+import org.springframework.util.Assert;
+
 /**
  * Helper class for cookie generation, carrying cookie descriptor settings
  * as bean properties and being able to add and remove cookie to/from a
  * given response.
  *
  * <p>Can serve as base class for components that generate specific cookies,
- * like CookieLocaleResolcer and CookieThemeResolver.
+ * such as CookieLocaleResolver and CookieThemeResolver.
  *
  * @author Juergen Hoeller
  * @since 1.1.4
@@ -177,6 +179,7 @@ public class CookieGenerator {
 	 * @see #setCookieMaxAge
 	 */
 	public void addCookie(HttpServletResponse response, String cookieValue) {
+		Assert.notNull(response, "HttpServletResponse must not be null");
 		Cookie cookie = createCookie(cookieValue);
 		Integer maxAge = getCookieMaxAge();
 		if (maxAge != null) {
@@ -204,6 +207,7 @@ public class CookieGenerator {
 	 * @see #setCookiePath
 	 */
 	public void removeCookie(HttpServletResponse response) {
+		Assert.notNull(response, "HttpServletResponse must not be null");
 		Cookie cookie = createCookie("");
 		cookie.setMaxAge(0);
 		response.addCookie(cookie);

spring-web/src/main/java/org/springframework/web/util/WebUtils.java

@@ -22,7 +22,6 @@ import java.util.Enumeration;
 import java.util.Map;
 import java.util.StringTokenizer;
 import java.util.TreeMap;
-
 import javax.servlet.ServletContext;
 import javax.servlet.ServletRequest;
 import javax.servlet.ServletRequestWrapper;
@@ -199,7 +198,6 @@ public abstract class WebUtils {
 		if (servletContext == null) {
 			return null;
 		}
-		Assert.notNull(servletContext, "ServletContext must not be null");
 		String param = servletContext.getInitParameter(HTML_ESCAPE_CONTEXT_PARAM);
 		return (StringUtils.hasText(param)? Boolean.valueOf(param) : null);
 	}

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

 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2013 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.
@@ -17,7 +17,6 @@
 package org.springframework.web.servlet;
 
 import java.util.Locale;
-
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
@@ -27,22 +26,22 @@ import javax.servlet.http.HttpServletResponse;
  * request and response.
  *
  * <p>This interface allows for implementations based on request, session,
- * cookies, etc. The default implementation is AcceptHeaderLocaleResolver,
+ * cookies, etc. The default implementation is
+ * {@link org.springframework.web.servlet.i18n.AcceptHeaderLocaleResolver},
  * simply using the request's locale provided by the respective HTTP header.
  *
- * <p>Use {@code RequestContext.getLocale()} to retrieve the current locale
- * in controllers or views, independent of the actual resolution strategy.
+ * <p>Use {@link org.springframework.web.servlet.support.RequestContext#getLocale()}
+ * to retrieve the current locale in controllers or views, independent
+ * of the actual resolution strategy.
  *
  * @author Juergen Hoeller
  * @since 27.02.2003
- * @see org.springframework.web.servlet.i18n.AcceptHeaderLocaleResolver
- * @see org.springframework.web.servlet.support.RequestContext#getLocale
  */
 public interface LocaleResolver {
 
   /**
    * Resolve the current locale via the given request.
-   * Should return a default locale as fallback in any case.
+   * Can return a default locale as fallback in any case.
    * @param request the request to resolve the locale for
    * @return the current locale (never {@code null})
    */
@@ -54,7 +53,7 @@ public interface LocaleResolver {
    * @param response the response to be used for locale modification
    * @param locale the new locale, or {@code null} to clear the locale
    * @throws UnsupportedOperationException if the LocaleResolver implementation
-   * does not support dynamic changing of the theme
+   * does not support dynamic changing of the locale
    */
 	void setLocale(HttpServletRequest request, HttpServletResponse response, Locale locale);
 

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

 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2013 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.
@@ -25,7 +25,8 @@ import javax.servlet.http.HttpServletResponse;
  * request and response.
  *
  * <p>This interface allows for implementations based on session,
- * cookies, etc. The default implementation is FixedThemeResolver,
+ * cookies, etc. The default implementation is
+ * {@link org.springframework.web.servlet.theme.FixedThemeResolver},
  * simply using a configured default theme.
  *
  * <p>Note that this resolver is only responsible for determining the
@@ -33,35 +34,34 @@ import javax.servlet.http.HttpServletResponse;
  * gets looked up by DispatcherServlet via the respective ThemeSource,
  * i.e. the current WebApplicationContext.
  *
- * <p>Use RequestContext.getTheme() to retrieve the current theme in
- * controllers or views, independent of the actual resolution strategy.
+ * <p>Use {@link org.springframework.web.servlet.support.RequestContext#getTheme()}
+ * to retrieve the current theme in controllers or views, independent
+ * of the actual resolution strategy.
  *
  * @author Jean-Pierre Pawlak
  * @author Juergen Hoeller
  * @since 17.06.2003
- * @see org.springframework.web.servlet.theme.FixedThemeResolver
  * @see org.springframework.ui.context.Theme
  * @see org.springframework.ui.context.ThemeSource
- * @see org.springframework.web.servlet.support.RequestContext#getTheme
  */
 public interface ThemeResolver {
 
-  /**
-   * Resolve the current theme name via the given request.
-   * Should return a default theme as fallback in any case.
-   * @param request request to be used for resolution
-   * @return the current theme name
-   */
+	/**
+	 * Resolve the current theme name via the given request.
+	 * Should return a default theme as fallback in any case.
+	 * @param request request to be used for resolution
+	 * @return the current theme name
+	 */
 	String resolveThemeName(HttpServletRequest request);
 
-  /**
-   * Set the current theme name to the given one.
-   * @param request request to be used for theme name modification
-   * @param response response to be used for theme name modification
-   * @param themeName the new theme name
+	/**
+	 * Set the current theme name to the given one.
+	 * @param request request to be used for theme name modification
+	 * @param response response to be used for theme name modification
+	 * @param themeName the new theme name
 	 * @throws UnsupportedOperationException if the ThemeResolver implementation
 	 * does not support dynamic changing of the theme
-   */
+	 */
 	void setThemeName(HttpServletRequest request, HttpServletResponse response, String themeName);
 
 }