Polishing

This commit is contained in:
Juergen Hoeller
2015-07-21 20:33:13 +02:00
parent 7c22d60fd8
commit 1a636b1023
8 changed files with 92 additions and 136 deletions

View File

@@ -172,7 +172,7 @@ public class EnableSchedulingTests {
@Test
public void withExplicitScheduledTaskRegistrar() throws InterruptedException {
AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext(
ExplicitScheduledTaskRegistrarConfig.class);
ExplicitScheduledTaskRegistrarConfig.class);
Thread.sleep(100);
assertThat(ctx.getBean(AtomicInteger.class).get(), greaterThanOrEqualTo(10));
@@ -287,7 +287,7 @@ public class EnableSchedulingTests {
@Test
public void withAmbiguousTaskSchedulers_andSingleTask_disambiguatedByScheduledTaskRegistrarBean() throws InterruptedException {
AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext(
SchedulingEnabled_withAmbiguousTaskSchedulers_andSingleTask_disambiguatedByScheduledTaskRegistrar.class);
SchedulingEnabled_withAmbiguousTaskSchedulers_andSingleTask_disambiguatedByScheduledTaskRegistrar.class);
Thread.sleep(20);
assertThat(ctx.getBean(ThreadAwareWorker.class).executedByThread, startsWith("explicitScheduler2-"));
@@ -296,9 +296,11 @@ public class EnableSchedulingTests {
static class ThreadAwareWorker {
String executedByThread;
}
@Configuration
@EnableScheduling
static class SchedulingEnabled_withAmbiguousTaskSchedulers_andSingleTask_disambiguatedByScheduledTaskRegistrar implements SchedulingConfigurer {
@@ -337,7 +339,7 @@ public class EnableSchedulingTests {
@Test
public void withAmbiguousTaskSchedulers_andSingleTask_disambiguatedBySchedulerNameAttribute() throws InterruptedException {
AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext(
SchedulingEnabled_withAmbiguousTaskSchedulers_andSingleTask_disambiguatedBySchedulerNameAttribute.class);
SchedulingEnabled_withAmbiguousTaskSchedulers_andSingleTask_disambiguatedBySchedulerNameAttribute.class);
Thread.sleep(20);
assertThat(ctx.getBean(ThreadAwareWorker.class).executedByThread, startsWith("explicitScheduler2-"));
@@ -383,7 +385,7 @@ public class EnableSchedulingTests {
@Test
public void withTaskAddedVia_configureTasks() throws InterruptedException {
AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext(
SchedulingEnabled_withTaskAddedVia_configureTasks.class);
SchedulingEnabled_withTaskAddedVia_configureTasks.class);
Thread.sleep(20);
assertThat(ctx.getBean(ThreadAwareWorker.class).executedByThread, startsWith("taskScheduler-"));
@@ -463,7 +465,7 @@ public class EnableSchedulingTests {
@Test
public void withInitiallyDelayedFixedRateTask() throws InterruptedException {
AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext(
FixedRateTaskConfig_withInitialDelay.class);
FixedRateTaskConfig_withInitialDelay.class);
Thread.sleep(1950);
AtomicInteger counter = ctx.getBean(AtomicInteger.class);

View File

@@ -13,6 +13,7 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.http;
import java.util.concurrent.TimeUnit;
@@ -22,79 +23,78 @@ import org.springframework.util.StringUtils;
/**
* A builder for creating "Cache-Control" HTTP response headers.
*
* <p>Adding Cache-Control directives to HTTP responses can significantly improve the client experience when interacting
* with a web application. This builder creates opinionated "Cache-Control" headers with response directives only, with
* several use cases in mind.
* <p>Adding Cache-Control directives to HTTP responses can significantly improve the client
* experience when interacting with a web application. This builder creates opinionated
* "Cache-Control" headers with response directives only, with several use cases in mind.
*
* <ul>
* <li>Caching HTTP responses with {@code CacheControl cc = CacheControl.maxAge(1, TimeUnit.HOURS)}
* will result in {@code Cache-Control: "max-age=3600"}</li>
* <li>Preventing cache with {@code CacheControl cc = CacheControl.noStore()}
* will result in {@code Cache-Control: "no-store"}</li>
* <li>Advanced cases like {@code CacheControl cc = CacheControl.maxAge(1, TimeUnit.HOURS).noTransform().cachePublic()}
* will result in {@code Cache-Control: "max-age=3600, no-transform, public"}</li>
* <li>Caching HTTP responses with {@code CacheControl cc = CacheControl.maxAge(1, TimeUnit.HOURS)}
* will result in {@code Cache-Control: "max-age=3600"}</li>
* <li>Preventing cache with {@code CacheControl cc = CacheControl.noStore()}
* will result in {@code Cache-Control: "no-store"}</li>
* <li>Advanced cases like {@code CacheControl cc = CacheControl.maxAge(1, TimeUnit.HOURS).noTransform().cachePublic()}
* will result in {@code Cache-Control: "max-age=3600, no-transform, public"}</li>
* </ul>
*
* <p>Note that to be efficient, Cache-Control headers should be written along HTTP validators such as
* "Last-Modifed" or "ETag" headers.
* <p>Note that to be efficient, Cache-Control headers should be written along HTTP validators
* such as "Last-Modified" or "ETag" headers.
*
* @author Brian Clozel
* @author Juergen Hoeller
* @since 4.2
* @see <a href="https://tools.ietf.org/html/rfc7234#section-5.2.2">rfc7234 section 5.2.2</a>
* @see <a href="https://developers.google.com/web/fundamentals/performance/optimizing-content-efficiency/http-caching">
* HTTP caching - Google developers reference</a>
* HTTP caching - Google developers reference</a>
* @see <a href="https://www.mnot.net/cache_docs/">Mark Nottingham's cache documentation</a>
* @since 4.2
*/
public class CacheControl {
private boolean mustRevalidate;
private long maxAge = -1;
private boolean noCache;
private boolean noCache = false;
private boolean noStore;
private boolean noStore = false;
private boolean noTransform;
private boolean mustRevalidate = false;
private boolean cachePublic;
private boolean noTransform = false;
private boolean cachePrivate;
private boolean cachePublic = false;
private boolean proxyRevalidate;
private boolean cachePrivate = false;
private long maxAge;
private boolean proxyRevalidate = false;
private long sMaxAge = -1;
private long sMaxAge;
/**
* Create a CacheControl instance with default values,
* i.e. that will produce an empty "Cache-Control" header value.
* Create an empty CacheControl instance.
* @see #empty()
*/
protected CacheControl() {
this.mustRevalidate = false;
this.noCache = false;
this.noStore = false;
this.noTransform = false;
this.cachePublic = false;
this.cachePrivate = false;
this.proxyRevalidate = false;
this.maxAge = -1;
this.sMaxAge = -1;
}
/**
* Return an empty directive.
* <p>This is well suited for using other optional directives without "max-age", "no-cache" or "no-store".
* @return {@code this}, to facilitate method chaining
*/
public static CacheControl empty() {
return new CacheControl();
}
/**
* Add a "max-age=" directive.
*
* <p>This directive is well suited for publicly caching resources, knowing that they won't change within
* the configured amount of time. Additional directives can be also used, in case resources shouldn't be
* cached ({@link #cachePrivate()}) or transformed ({@link #noTransform()}) by shared caches.
*
* <p>In order to prevent caches to reuse the cached response even when it has become stale
* (i.e. the "max-age" delay is passed), the "must-revalidate" directive should be set ({@link #mustRevalidate()}
*
* @param maxAge the maximum time the response should be cached
* @param unit the time unit of the {@code maxAge} argument
* @return {@code this}, to facilitate method chaining
*
* @see <a href="https://tools.ietf.org/html/rfc7234#section-5.2.2.8">rfc7234 section 5.2.2.8</a>
*/
public static CacheControl maxAge(long maxAge, TimeUnit unit) {
@@ -103,34 +103,15 @@ public class CacheControl {
return cc;
}
/**
* Add a "no-store" directive
*
* <p>This directive is well suited for preventing caches (browsers and proxies) to cache the content of responses.
*
* @return {@code this}, to facilitate method chaining
*
* @see <a href="https://tools.ietf.org/html/rfc7234#section-5.2.2.3">rfc7234 section 5.2.2.3</a>
*/
public static CacheControl noStore() {
CacheControl cc = new CacheControl();
cc.noStore = true;
return cc;
}
/**
* Add a "no-cache" directive.
*
* <p>This directive is well suited for telling caches that the response can be reused only if the client
* revalidates it with the server. This directive won't disable cache altogether and may result with
* clients sending conditional requests (with "ETag", "If-Modified-Since" headers) and the server responding
* with "304 - Not Modified" status.
*
* <p>In order to disable caching and minimize requests/responses exchanges, the {@link #noStore()} directive
* should be used.
*
* @return {@code this}, to facilitate method chaining
*
* @see <a href="https://tools.ietf.org/html/rfc7234#section-5.2.2.2">rfc7234 section 5.2.2.2</a>
*/
public static CacheControl noCache() {
@@ -140,25 +121,23 @@ public class CacheControl {
}
/**
* Return an empty directive.
*
* <p>This is well suited for using other optional directives without "no-cache", "no-store" or "max-age".
*
* Add a "no-store" directive.
* <p>This directive is well suited for preventing caches (browsers and proxies) to cache the content of responses.
* @return {@code this}, to facilitate method chaining
* @see <a href="https://tools.ietf.org/html/rfc7234#section-5.2.2.3">rfc7234 section 5.2.2.3</a>
*/
public static CacheControl empty() {
public static CacheControl noStore() {
CacheControl cc = new CacheControl();
cc.noStore = true;
return cc;
}
/**
* Add a "must-revalidate" directive
*
* Add a "must-revalidate" directive.
* <p>This directive indicates that once it has become stale, a cache MUST NOT use the response
* to satisfy subsequent requests without successful validation on the origin server.
*
* @return {@code this}, to facilitate method chaining
*
* @see <a href="https://tools.ietf.org/html/rfc7234#section-5.2.2.1">rfc7234 section 5.2.2.1</a>
*/
public CacheControl mustRevalidate() {
@@ -167,13 +146,10 @@ public class CacheControl {
}
/**
* Add a "no-transform" directive
*
* Add a "no-transform" directive.
* <p>This directive indicates that intermediaries (caches and others) should not transform the response content.
* This can be useful to force caches and CDNs not to automatically gzip or optimize the response content.
*
* @return {@code this}, to facilitate method chaining
*
* @see <a href="https://tools.ietf.org/html/rfc7234#section-5.2.2.4">rfc7234 section 5.2.2.4</a>
*/
public CacheControl noTransform() {
@@ -182,13 +158,10 @@ public class CacheControl {
}
/**
* Add a "public" directive
*
* Add a "public" directive.
* <p>This directive indicates that any cache MAY store the response, even if the response
* would normally be non-cacheable or cacheable only within a private cache.
*
* @return {@code this}, to facilitate method chaining
*
* @see <a href="https://tools.ietf.org/html/rfc7234#section-5.2.2.5">rfc7234 section 5.2.2.5</a>
*/
public CacheControl cachePublic() {
@@ -197,13 +170,10 @@ public class CacheControl {
}
/**
* Add a "private" directive
*
* Add a "private" directive.
* <p>This directive indicates that the response message is intended for a single user
* and MUST NOT be stored by a shared cache.
*
* @return {@code this}, to facilitate method chaining
*
* @see <a href="https://tools.ietf.org/html/rfc7234#section-5.2.2.6">rfc7234 section 5.2.2.6</a>
*/
public CacheControl cachePrivate() {
@@ -212,13 +182,10 @@ public class CacheControl {
}
/**
* Add a "proxy-revalidate" directive
*
* Add a "proxy-revalidate" directive.
* <p>This directive has the same meaning as the "must-revalidate" directive,
* except that it does not apply to private caches (i.e. browsers, HTTP clients)
*
* except that it does not apply to private caches (i.e. browsers, HTTP clients).
* @return {@code this}, to facilitate method chaining
*
* @see <a href="https://tools.ietf.org/html/rfc7234#section-5.2.2.7">rfc7234 section 5.2.2.7</a>
*/
public CacheControl proxyRevalidate() {
@@ -227,15 +194,12 @@ public class CacheControl {
}
/**
* Add a "s-maxage" directive
*
* Add an "s-maxage" directive.
* <p>This directive indicates that, in shared caches, the maximum age specified by this directive
* overrides the maximum age specified by other directives.
*
* @param sMaxAge the maximum time the response should be cached
* @param unit the time unit of the {@code sMaxAge} argument
* @return {@code this}, to facilitate method chaining
*
* @see <a href="https://tools.ietf.org/html/rfc7234#section-5.2.2.9">rfc7234 section 5.2.2.9</a>
*/
public CacheControl sMaxAge(long sMaxAge, TimeUnit unit) {
@@ -243,15 +207,15 @@ public class CacheControl {
return this;
}
/**
* Return the "Cache-Control" header value
*
* @return null if no directive was added, the header value otherwise
* Return the "Cache-Control" header value.
* @return {@code null} if no directive was added, or the header value otherwise
*/
public String getHeaderValue() {
StringBuilder ccValue = new StringBuilder();
if (this.maxAge != -1) {
appendDirective(ccValue, "max-age=" + Long.toString(maxAge));
appendDirective(ccValue, "max-age=" + Long.toString(this.maxAge));
}
if (this.noCache) {
appendDirective(ccValue, "no-cache");
@@ -278,17 +242,14 @@ public class CacheControl {
appendDirective(ccValue, "s-maxage=" + Long.toString(this.sMaxAge));
}
String ccHeaderValue = ccValue.toString();
if (StringUtils.hasText(ccHeaderValue)) {
return ccHeaderValue;
}
return null;
return (StringUtils.hasText(ccHeaderValue) ? ccHeaderValue : null);
}
private void appendDirective(StringBuilder b, String value) {
if (b.length() > 0) {
b.append(", ");
private void appendDirective(StringBuilder builder, String value) {
if (builder.length() > 0) {
builder.append(", ");
}
b.append(value);
builder.append(value);
}
}

View File

@@ -321,14 +321,14 @@ public class ResponseEntity<T> extends HttpEntity<T> {
B location(URI location);
/**
* Set the caching directives for the resource, as specified by the
* Set the caching directives for the resource, as specified by the HTTP 1.1
* {@code Cache-Control} header.
* <p>A {@code CacheControl} instance can be built like
* {@code CacheControl.maxAge(3600).cachePublic().noTransform()}.
* @param cacheControl the instance that builds cache related HTTP response headers
* @param cacheControl a builder for cache-related HTTP response headers
* @return this builder
* @see <a href="https://tools.ietf.org/html/rfc7234#section-5.2">RFC-7234 Section 5.2</a>
* @since 4.2
* @see <a href="https://tools.ietf.org/html/rfc7234#section-5.2">RFC-7234 Section 5.2</a>
*/
B cacheControl(CacheControl cacheControl);

View File

@@ -81,7 +81,6 @@ import org.springframework.web.servlet.support.RequestContextUtils;
* @author Arjen Poutsma
* @author Juergen Hoeller
* @since 3.0
*
* @deprecated as of Spring 3.2, in favor of
* {@link org.springframework.web.servlet.mvc.method.annotation.ExceptionHandlerExceptionResolver ExceptionHandlerExceptionResolver}
*/

View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2012 the original author or authors.
* Copyright 2002-2015 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.
@@ -78,8 +78,7 @@ import org.springframework.web.servlet.handler.AbstractDetectingUrlHandlerMappin
* @since 2.5
* @see RequestMapping
* @see AnnotationMethodHandlerAdapter
*
* @deprecated in Spring 3.2 in favor of
* @deprecated as of Spring 3.2, in favor of
* {@link org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping RequestMappingHandlerMapping}
*/
@Deprecated

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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2009 the original author or authors.
* Copyright 2002-2015 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.
@@ -23,39 +23,36 @@ import org.springframework.web.context.request.NativeWebRequest;
import org.springframework.web.servlet.ModelAndView;
/**
* SPI for resolving custom return values from a specific handler method. Typically implemented to detect special return
* types, resolving well-known result values for them.
* SPI for resolving custom return values from a specific handler method.
* Typically implemented to detect special return types, resolving
* well-known result values for them.
*
* <p>A typical implementation could look like as follows:
*
* <pre class="code">
* public class MyModelAndViewResolver implements ModelAndViewResolver {
*
* public ModelAndView resolveModelAndView(Method handlerMethod,
* Class handlerType,
* Object returnValue,
* ExtendedModelMap implicitModel,
* NativeWebRequest webRequest) {
* if (returnValue instanceof MySpecialRetVal.class)) {
* return new MySpecialRetVal(returnValue);
* public ModelAndView resolveModelAndView(Method handlerMethod, Class handlerType,
* Object returnValue, ExtendedModelMap implicitModel, NativeWebRequest webRequest) {
* if (returnValue instanceof MySpecialRetVal.class)) {
* return new MySpecialRetVal(returnValue);
* }
* return UNRESOLVED;
* }
* return UNRESOLVED;
* }
* }</pre>
*
* @author Arjen Poutsma
* @see org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter#setCustomModelAndViewResolvers
* @see org.springframework.web.portlet.mvc.annotation.AnnotationMethodHandlerAdapter#setCustomModelAndViewResolvers
* @since 3.0
*/
public interface ModelAndViewResolver {
/** Marker to be returned when the resolver does not know how to handle the given method parameter. */
/**
* Marker to be returned when the resolver does not know how to handle the given method parameter.
*/
ModelAndView UNRESOLVED = new ModelAndView();
ModelAndView resolveModelAndView(Method handlerMethod,
Class<?> handlerType,
Object returnValue,
ExtendedModelMap implicitModel,
NativeWebRequest webRequest);
ModelAndView resolveModelAndView(Method handlerMethod, Class<?> handlerType, Object returnValue,
ExtendedModelMap implicitModel, NativeWebRequest webRequest);
}

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@@ -54,6 +54,7 @@ public class ResponseStatusExceptionResolver extends AbstractHandlerExceptionRes
this.messageSource = messageSource;
}
@Override
protected ModelAndView doResolveException(HttpServletRequest request, HttpServletResponse response,
Object handler, Exception ex) {
@@ -76,12 +77,10 @@ public class ResponseStatusExceptionResolver extends AbstractHandlerExceptionRes
/**
* Template method that handles {@link ResponseStatus @ResponseStatus} annotation.
*
* <p>Default implementation send a response error using
* <p>The default implementation sends a response error using
* {@link HttpServletResponse#sendError(int)} or
* {@link HttpServletResponse#sendError(int, String)} if the annotation has a
* {@linkplain ResponseStatus#reason() reason} and then returns an empty ModelAndView.
*
* @param responseStatus the annotation
* @param request current HTTP request
* @param response current HTTP response

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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2012 the original author or authors.
* Copyright 2002-2015 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.
@@ -31,8 +31,7 @@ import org.springframework.web.util.WebUtils;
* @author Juergen Hoeller
* @author Arjen Poutsma
* @since 2.5.2
*
* @deprecated in 3.2 together with {@link DefaultAnnotationHandlerMapping},
* @deprecated as of 3.2, together with {@link DefaultAnnotationHandlerMapping},
* {@link AnnotationMethodHandlerAdapter}, and {@link AnnotationMethodHandlerExceptionResolver}.
*/
@Deprecated