org.springframework.web.servlet.HandlerMapping#URI_TEMPLATE_VARIABLES_ATTRIBUTE源码实例Demo

/**
 * Merge URI variables into the property values to use for data binding.
 */
@Override
@SuppressWarnings("unchecked")
protected void addBindValues(MutablePropertyValues mpvs, ServletRequest request) {
	String attr = HandlerMapping.URI_TEMPLATE_VARIABLES_ATTRIBUTE;
	Map<String, String> uriVars = (Map<String, String>) request.getAttribute(attr);
	if (uriVars != null) {
		uriVars.forEach((name, value) -> {
			if (mpvs.contains(name)) {
				if (logger.isWarnEnabled()) {
					logger.warn("Skipping URI variable '" + name +
							"' because request contains bind value with same name.");
				}
			}
			else {
				mpvs.addPropertyValue(name, value);
			}
		});
	}
}
 

@SuppressWarnings("unchecked")
@Test  // SPR-9098
public void handleMatchUriTemplateVariablesDecode() {
	RequestMappingInfo key = RequestMappingInfo.paths("/{group}/{identifier}").build();
	MockHttpServletRequest request = new MockHttpServletRequest("GET", "/group/a%2Fb");

	UrlPathHelper pathHelper = new UrlPathHelper();
	pathHelper.setUrlDecode(false);
	String lookupPath = pathHelper.getLookupPathForRequest(request);

	this.handlerMapping.setUrlPathHelper(pathHelper);
	this.handlerMapping.handleMatch(key, lookupPath, request);

	String name = HandlerMapping.URI_TEMPLATE_VARIABLES_ATTRIBUTE;
	Map<String, String> uriVariables = (Map<String, String>) request.getAttribute(name);

	assertNotNull(uriVariables);
	assertEquals("group", uriVariables.get("group"));
	assertEquals("a/b", uriVariables.get("identifier"));
}
 

/**
 * Merge URI variables into the property values to use for data binding.
 */
@Override
@SuppressWarnings("unchecked")
protected void addBindValues(MutablePropertyValues mpvs, ServletRequest request) {
	String attr = HandlerMapping.URI_TEMPLATE_VARIABLES_ATTRIBUTE;
	Map<String, String> uriVars = (Map<String, String>) request.getAttribute(attr);
	if (uriVars != null) {
		uriVars.forEach((name, value) -> {
			if (mpvs.contains(name)) {
				if (logger.isWarnEnabled()) {
					logger.warn("Skipping URI variable '" + name +
							"' because request contains bind value with same name.");
				}
			}
			else {
				mpvs.addPropertyValue(name, value);
			}
		});
	}
}
 

@SuppressWarnings("unchecked")
@Test  // SPR-9098
public void handleMatchUriTemplateVariablesDecode() {
	RequestMappingInfo key = RequestMappingInfo.paths("/{group}/{identifier}").build();
	MockHttpServletRequest request = new MockHttpServletRequest("GET", "/group/a%2Fb");

	UrlPathHelper pathHelper = new UrlPathHelper();
	pathHelper.setUrlDecode(false);
	String lookupPath = pathHelper.getLookupPathForRequest(request);

	this.handlerMapping.setUrlPathHelper(pathHelper);
	this.handlerMapping.handleMatch(key, lookupPath, request);

	String name = HandlerMapping.URI_TEMPLATE_VARIABLES_ATTRIBUTE;
	Map<String, String> uriVariables = (Map<String, String>) request.getAttribute(name);

	assertNotNull(uriVariables);
	assertEquals("group", uriVariables.get("group"));
	assertEquals("a/b", uriVariables.get("identifier"));
}
 

/**
 * Merge URI variables into the property values to use for data binding.
 */
@Override
@SuppressWarnings("unchecked")
protected void addBindValues(MutablePropertyValues mpvs, ServletRequest request) {
	String attr = HandlerMapping.URI_TEMPLATE_VARIABLES_ATTRIBUTE;
	Map<String, String> uriVars = (Map<String, String>) request.getAttribute(attr);
	if (uriVars != null) {
		for (Entry<String, String> entry : uriVars.entrySet()) {
			if (mpvs.contains(entry.getKey())) {
				if (logger.isWarnEnabled()) {
					logger.warn("Skipping URI variable '" + entry.getKey() +
							"' since the request contains a bind value with the same name.");
				}
			}
			else {
				mpvs.addPropertyValue(entry.getKey(), entry.getValue());
			}
		}
	}
}
 

/**
 * Merge URI variables into the property values to use for data binding.
 */
@Override
@SuppressWarnings("unchecked")
protected void addBindValues(MutablePropertyValues mpvs, ServletRequest request) {
	String attr = HandlerMapping.URI_TEMPLATE_VARIABLES_ATTRIBUTE;
	Map<String, String> uriVars = (Map<String, String>) request.getAttribute(attr);
	if (uriVars != null) {
		for (Entry<String, String> entry : uriVars.entrySet()) {
			if (mpvs.contains(entry.getKey())) {
				logger.warn("Skipping URI variable '" + entry.getKey()
						+ "' since the request contains a bind value with the same name.");
			}
			else {
				mpvs.addPropertyValue(entry.getKey(), entry.getValue());
			}
		}
	}
}
 

@SuppressWarnings("unchecked")
@Test
public void handleMatchUriTemplateVariables() {
	RequestMappingInfo key = RequestMappingInfo.paths("/{path1}/{path2}").build();
	MockHttpServletRequest request = new MockHttpServletRequest("GET", "/1/2");
	String lookupPath = new UrlPathHelper().getLookupPathForRequest(request);
	this.handlerMapping.handleMatch(key, lookupPath, request);

	String name = HandlerMapping.URI_TEMPLATE_VARIABLES_ATTRIBUTE;
	Map<String, String> uriVariables = (Map<String, String>) request.getAttribute(name);

	assertNotNull(uriVariables);
	assertEquals("1", uriVariables.get("path1"));
	assertEquals("2", uriVariables.get("path2"));
}
 

@SuppressWarnings("unchecked")
@Test
public void handleMatchUriTemplateVariables() {
	RequestMappingInfo key = RequestMappingInfo.paths("/{path1}/{path2}").build();
	MockHttpServletRequest request = new MockHttpServletRequest("GET", "/1/2");
	String lookupPath = new UrlPathHelper().getLookupPathForRequest(request);
	this.handlerMapping.handleMatch(key, lookupPath, request);

	String name = HandlerMapping.URI_TEMPLATE_VARIABLES_ATTRIBUTE;
	Map<String, String> uriVariables = (Map<String, String>) request.getAttribute(name);

	assertNotNull(uriVariables);
	assertEquals("1", uriVariables.get("path1"));
	assertEquals("2", uriVariables.get("path2"));
}
 

@SuppressWarnings("unchecked")
private Map<String, String> getCurrentRequestUriVariables(HttpServletRequest request) {
	String name = HandlerMapping.URI_TEMPLATE_VARIABLES_ATTRIBUTE;
	Map<String, String> uriVars = (Map<String, String>) request.getAttribute(name);
	return (uriVars != null) ? uriVars : Collections.<String, String> emptyMap();
}
 

@SuppressWarnings("unchecked")
private Map<String, String> getUriTemplateVariables(HttpServletRequest request) {
	String attrName = HandlerMapping.URI_TEMPLATE_VARIABLES_ATTRIBUTE;
	return (Map<String, String>) request.getAttribute(attrName);
}
 

@SuppressWarnings("unchecked")
private Map<String, String> getCurrentRequestUriVariables(HttpServletRequest request) {
	String name = HandlerMapping.URI_TEMPLATE_VARIABLES_ATTRIBUTE;
	Map<String, String> uriVars = (Map<String, String>) request.getAttribute(name);
	return (uriVars != null) ? uriVars : Collections.<String, String> emptyMap();
}
 

@SuppressWarnings("unchecked")
private Map<String, String> getUriTemplateVariables(HttpServletRequest request) {
	String attrName = HandlerMapping.URI_TEMPLATE_VARIABLES_ATTRIBUTE;
	return (Map<String, String>) request.getAttribute(attrName);
}
 

@SuppressWarnings("unchecked")
private Map<String, String> getCurrentRequestUriVariables(HttpServletRequest request) {
	String name = HandlerMapping.URI_TEMPLATE_VARIABLES_ATTRIBUTE;
	Map<String, String> uriVars = (Map<String, String>) request.getAttribute(name);
	return (uriVars != null) ? uriVars : Collections.<String, String> emptyMap();
}
 

@SuppressWarnings("unchecked")
private Map<String, String> getCurrentRequestUriVariables(HttpServletRequest request) {
	String name = HandlerMapping.URI_TEMPLATE_VARIABLES_ATTRIBUTE;
	Map<String, String> uriVars = (Map<String, String>) request.getAttribute(name);
	return (uriVars != null) ? uriVars : Collections.<String, String> emptyMap();
}
 

@SuppressWarnings("unchecked")
private Map<String, String> getUriTemplateVariables(HttpServletRequest request) {
	String attrName = HandlerMapping.URI_TEMPLATE_VARIABLES_ATTRIBUTE;
	return (Map<String, String>) request.getAttribute(attrName);
}