Java Code Examples for org.springframework.http.CacheControl#empty()

The following examples show how to use org.springframework.http.CacheControl#empty() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: WebContentGenerator.java    From spring-analysis-note with MIT License 5 votes vote down vote up 
/**
 * Apply the given cache seconds and generate corresponding HTTP headers,
 * i.e. allow caching for the given number of seconds in case of a positive
 * value, prevent caching if given a 0 value, do nothing else.
 * Does not tell the browser to revalidate the resource.
 * @param response current HTTP response
 * @param cacheSeconds positive number of seconds into the future that the
 * response should be cacheable for, 0 to prevent caching
 */
@SuppressWarnings("deprecation")
protected final void applyCacheSeconds(HttpServletResponse response, int cacheSeconds) {
	if (this.useExpiresHeader || !this.useCacheControlHeader) {
		// Deprecated HTTP 1.0 cache behavior, as in previous Spring versions
		if (cacheSeconds > 0) {
			cacheForSeconds(response, cacheSeconds);
		}
		else if (cacheSeconds == 0) {
			preventCaching(response);
		}
	}
	else {
		CacheControl cControl;
		if (cacheSeconds > 0) {
			cControl = CacheControl.maxAge(cacheSeconds, TimeUnit.SECONDS);
			if (this.alwaysMustRevalidate) {
				cControl = cControl.mustRevalidate();
			}
		}
		else if (cacheSeconds == 0) {
			cControl = (this.useCacheControlNoStore ? CacheControl.noStore() : CacheControl.noCache());
		}
		else {
			cControl = CacheControl.empty();
		}
		applyCacheControl(response, cControl);
	}
}
Example 2
Source File: WebContentGenerator.java    From java-technology-stack with MIT License 5 votes vote down vote up 
/**
 * Apply the given cache seconds and generate corresponding HTTP headers,
 * i.e. allow caching for the given number of seconds in case of a positive
 * value, prevent caching if given a 0 value, do nothing else.
 * Does not tell the browser to revalidate the resource.
 * @param response current HTTP response
 * @param cacheSeconds positive number of seconds into the future that the
 * response should be cacheable for, 0 to prevent caching
 */
@SuppressWarnings("deprecation")
protected final void applyCacheSeconds(HttpServletResponse response, int cacheSeconds) {
	if (this.useExpiresHeader || !this.useCacheControlHeader) {
		// Deprecated HTTP 1.0 cache behavior, as in previous Spring versions
		if (cacheSeconds > 0) {
			cacheForSeconds(response, cacheSeconds);
		}
		else if (cacheSeconds == 0) {
			preventCaching(response);
		}
	}
	else {
		CacheControl cControl;
		if (cacheSeconds > 0) {
			cControl = CacheControl.maxAge(cacheSeconds, TimeUnit.SECONDS);
			if (this.alwaysMustRevalidate) {
				cControl = cControl.mustRevalidate();
			}
		}
		else if (cacheSeconds == 0) {
			cControl = (this.useCacheControlNoStore ? CacheControl.noStore() : CacheControl.noCache());
		}
		else {
			cControl = CacheControl.empty();
		}
		applyCacheControl(response, cControl);
	}
}
Example 3
Source File: WebContentGenerator.java    From lams with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Apply the given cache seconds and generate corresponding HTTP headers,
 * i.e. allow caching for the given number of seconds in case of a positive
 * value, prevent caching if given a 0 value, do nothing else.
 * Does not tell the browser to revalidate the resource.
 * @param response current HTTP response
 * @param cacheSeconds positive number of seconds into the future that the
 * response should be cacheable for, 0 to prevent caching
 */
@SuppressWarnings("deprecation")
protected final void applyCacheSeconds(HttpServletResponse response, int cacheSeconds) {
	if (this.useExpiresHeader || !this.useCacheControlHeader) {
		// Deprecated HTTP 1.0 cache behavior, as in previous Spring versions
		if (cacheSeconds > 0) {
			cacheForSeconds(response, cacheSeconds);
		}
		else if (cacheSeconds == 0) {
			preventCaching(response);
		}
	}
	else {
		CacheControl cControl;
		if (cacheSeconds > 0) {
			cControl = CacheControl.maxAge(cacheSeconds, TimeUnit.SECONDS);
			if (this.alwaysMustRevalidate) {
				cControl = cControl.mustRevalidate();
			}
		}
		else if (cacheSeconds == 0) {
			cControl = (this.useCacheControlNoStore ? CacheControl.noStore() : CacheControl.noCache());
		}
		else {
			cControl = CacheControl.empty();
		}
		applyCacheControl(response, cControl);
	}
}
Example 4
Source File: ResourcesBeanDefinitionParser.java    From lams with GNU General Public License v2.0 5 votes vote down vote up 
private CacheControl parseCacheControl(Element element) {
	CacheControl cacheControl = CacheControl.empty();
	if ("true".equals(element.getAttribute("no-cache"))) {
		cacheControl = CacheControl.noCache();
	}
	else if ("true".equals(element.getAttribute("no-store"))) {
		cacheControl = CacheControl.noStore();
	}
	else if (element.hasAttribute("max-age")) {
		cacheControl = CacheControl.maxAge(Long.parseLong(element.getAttribute("max-age")), TimeUnit.SECONDS);
	}
	if ("true".equals(element.getAttribute("must-revalidate"))) {
		cacheControl = cacheControl.mustRevalidate();
	}
	if ("true".equals(element.getAttribute("no-transform"))) {
		cacheControl = cacheControl.noTransform();
	}
	if ("true".equals(element.getAttribute("cache-public"))) {
		cacheControl = cacheControl.cachePublic();
	}
	if ("true".equals(element.getAttribute("cache-private"))) {
		cacheControl = cacheControl.cachePrivate();
	}
	if ("true".equals(element.getAttribute("proxy-revalidate"))) {
		cacheControl = cacheControl.proxyRevalidate();
	}
	if (element.hasAttribute("s-maxage")) {
		cacheControl = cacheControl.sMaxAge(Long.parseLong(element.getAttribute("s-maxage")), TimeUnit.SECONDS);
	}
	if (element.hasAttribute("stale-while-revalidate")) {
		cacheControl = cacheControl.staleWhileRevalidate(
				Long.parseLong(element.getAttribute("stale-while-revalidate")), TimeUnit.SECONDS);
	}
	if (element.hasAttribute("stale-if-error")) {
		cacheControl = cacheControl.staleIfError(
				Long.parseLong(element.getAttribute("stale-if-error")), TimeUnit.SECONDS);
	}
	return cacheControl;
}
Example 5
Source File: WebContentGenerator.java    From spring4-understanding with Apache License 2.0 5 votes vote down vote up 
/**
 * Apply the given cache seconds and generate corresponding HTTP headers,
 * i.e. allow caching for the given number of seconds in case of a positive
 * value, prevent caching if given a 0 value, do nothing else.
 * Does not tell the browser to revalidate the resource.
 * @param response current HTTP response
 * @param cacheSeconds positive number of seconds into the future that the
 * response should be cacheable for, 0 to prevent caching
 */
@SuppressWarnings("deprecation")
protected final void applyCacheSeconds(HttpServletResponse response, int cacheSeconds) {
	if (this.useExpiresHeader || !this.useCacheControlHeader) {
		// Deprecated HTTP 1.0 cache behavior, as in previous Spring versions
		if (cacheSeconds > 0) {
			cacheForSeconds(response, cacheSeconds);
		}
		else if (cacheSeconds == 0) {
			preventCaching(response);
		}
	}
	else {
		CacheControl cControl;
		if (cacheSeconds > 0) {
			cControl = CacheControl.maxAge(cacheSeconds, TimeUnit.SECONDS);
			if (this.alwaysMustRevalidate) {
				cControl = cControl.mustRevalidate();
			}
		}
		else if (cacheSeconds == 0) {
			cControl = (this.useCacheControlNoStore ? CacheControl.noStore() : CacheControl.noCache());
		}
		else {
			cControl = CacheControl.empty();
		}
		applyCacheControl(response, cControl);
	}
}
Example 6
Source File: ResourcesBeanDefinitionParser.java    From spring4-understanding with Apache License 2.0 5 votes vote down vote up 
private CacheControl parseCacheControl(Element element) {
	CacheControl cacheControl = CacheControl.empty();
	if ("true".equals(element.getAttribute("no-cache"))) {
		cacheControl = CacheControl.noCache();
	}
	else if ("true".equals(element.getAttribute("no-store"))) {
		cacheControl = CacheControl.noStore();
	}
	else if (element.hasAttribute("max-age")) {
		cacheControl = CacheControl.maxAge(Long.parseLong(element.getAttribute("max-age")), TimeUnit.SECONDS);
	}
	if ("true".equals(element.getAttribute("must-revalidate"))) {
		cacheControl = cacheControl.mustRevalidate();
	}
	if ("true".equals(element.getAttribute("no-transform"))) {
		cacheControl = cacheControl.noTransform();
	}
	if ("true".equals(element.getAttribute("cache-public"))) {
		cacheControl = cacheControl.cachePublic();
	}
	if ("true".equals(element.getAttribute("cache-private"))) {
		cacheControl = cacheControl.cachePrivate();
	}
	if ("true".equals(element.getAttribute("proxy-revalidate"))) {
		cacheControl = cacheControl.proxyRevalidate();
	}
	if (element.hasAttribute("s-maxage")) {
		cacheControl = cacheControl.sMaxAge(Long.parseLong(element.getAttribute("s-maxage")), TimeUnit.SECONDS);
	}
	return cacheControl;
}
Example 7
Source File: AdminServerUiProperties.java    From spring-boot-admin with Apache License 2.0 5 votes vote down vote up 
public CacheControl toCacheControl() {
	if (Boolean.TRUE.equals(this.noStore)) {
		return CacheControl.noStore();
	}
	if (Boolean.TRUE.equals(this.noCache)) {
		return CacheControl.noCache();
	}
	if (this.maxAge != null) {
		return CacheControl.maxAge(this.maxAge.getSeconds(), TimeUnit.SECONDS);
	}
	return CacheControl.empty();
}
Example 8
Source File: ResourcesBeanDefinitionParser.java    From spring-analysis-note with MIT License 4 votes vote down vote up 
private CacheControl parseCacheControl(Element element) {
	CacheControl cacheControl;
	if ("true".equals(element.getAttribute("no-cache"))) {
		cacheControl = CacheControl.noCache();
	}
	else if ("true".equals(element.getAttribute("no-store"))) {
		cacheControl = CacheControl.noStore();
	}
	else if (element.hasAttribute("max-age")) {
		cacheControl = CacheControl.maxAge(Long.parseLong(element.getAttribute("max-age")), TimeUnit.SECONDS);
	}
	else {
		cacheControl = CacheControl.empty();
	}

	if ("true".equals(element.getAttribute("must-revalidate"))) {
		cacheControl = cacheControl.mustRevalidate();
	}
	if ("true".equals(element.getAttribute("no-transform"))) {
		cacheControl = cacheControl.noTransform();
	}
	if ("true".equals(element.getAttribute("cache-public"))) {
		cacheControl = cacheControl.cachePublic();
	}
	if ("true".equals(element.getAttribute("cache-private"))) {
		cacheControl = cacheControl.cachePrivate();
	}
	if ("true".equals(element.getAttribute("proxy-revalidate"))) {
		cacheControl = cacheControl.proxyRevalidate();
	}
	if (element.hasAttribute("s-maxage")) {
		cacheControl = cacheControl.sMaxAge(Long.parseLong(element.getAttribute("s-maxage")), TimeUnit.SECONDS);
	}
	if (element.hasAttribute("stale-while-revalidate")) {
		cacheControl = cacheControl.staleWhileRevalidate(
				Long.parseLong(element.getAttribute("stale-while-revalidate")), TimeUnit.SECONDS);
	}
	if (element.hasAttribute("stale-if-error")) {
		cacheControl = cacheControl.staleIfError(
				Long.parseLong(element.getAttribute("stale-if-error")), TimeUnit.SECONDS);
	}
	return cacheControl;
}
Example 9
Source File: ResourcesBeanDefinitionParser.java    From java-technology-stack with MIT License 4 votes vote down vote up 
private CacheControl parseCacheControl(Element element) {
	CacheControl cacheControl;
	if ("true".equals(element.getAttribute("no-cache"))) {
		cacheControl = CacheControl.noCache();
	}
	else if ("true".equals(element.getAttribute("no-store"))) {
		cacheControl = CacheControl.noStore();
	}
	else if (element.hasAttribute("max-age")) {
		cacheControl = CacheControl.maxAge(Long.parseLong(element.getAttribute("max-age")), TimeUnit.SECONDS);
	}
	else {
		cacheControl = CacheControl.empty();
	}

	if ("true".equals(element.getAttribute("must-revalidate"))) {
		cacheControl = cacheControl.mustRevalidate();
	}
	if ("true".equals(element.getAttribute("no-transform"))) {
		cacheControl = cacheControl.noTransform();
	}
	if ("true".equals(element.getAttribute("cache-public"))) {
		cacheControl = cacheControl.cachePublic();
	}
	if ("true".equals(element.getAttribute("cache-private"))) {
		cacheControl = cacheControl.cachePrivate();
	}
	if ("true".equals(element.getAttribute("proxy-revalidate"))) {
		cacheControl = cacheControl.proxyRevalidate();
	}
	if (element.hasAttribute("s-maxage")) {
		cacheControl = cacheControl.sMaxAge(Long.parseLong(element.getAttribute("s-maxage")), TimeUnit.SECONDS);
	}
	if (element.hasAttribute("stale-while-revalidate")) {
		cacheControl = cacheControl.staleWhileRevalidate(
				Long.parseLong(element.getAttribute("stale-while-revalidate")), TimeUnit.SECONDS);
	}
	if (element.hasAttribute("stale-if-error")) {
		cacheControl = cacheControl.staleIfError(
				Long.parseLong(element.getAttribute("stale-if-error")), TimeUnit.SECONDS);
	}
	return cacheControl;
}