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Polish MultipartConfigElement support

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Polish MultipartConfigElement changes introduced in commit e8e59ea6
as follows:

- Fix javadoc formatting
- Fix tab/spaces formatting
- Fix asciidoc formatting
- Move creation of MultipartConfigElement into MultipartProperties
- Add @Since tags
- Restore random port in tests
pull/733/merge
Phillip Webb 11 years ago
parent 3e3d1e837b
commit 1ae91a135c
4 changed files with 144 additions and 106 deletions
Show Stats Download Patch File Download Diff File

23
spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/MultipartAutoConfiguration.java
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@ -25,11 +25,9 @@ import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnExpression;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.context.embedded.EmbeddedWebApplicationContext;
import org.springframework.boot.context.embedded.MultipartConfigFactory;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.util.StringUtils;
import org.springframework.web.multipart.support.StandardServletMultipartResolver;
/**
@ -57,25 +55,7 @@ public class MultipartAutoConfiguration {
@Bean
@ConditionalOnMissingBean
public MultipartConfigElement multipartConfigElement() {
MultipartConfigFactory factory = new MultipartConfigFactory();
if (StringUtils.hasText(this.multipartProperties.getFileSizeThreshold())) {
factory.setFileSizeThreshold(this.multipartProperties.getFileSizeThreshold());
}
if (StringUtils.hasText(this.multipartProperties.getLocation())) {
factory.setLocation(this.multipartProperties.getLocation());
}
if (StringUtils.hasText(this.multipartProperties.getMaxRequestSize())) {
factory.setMaxRequestSize(this.multipartProperties.getMaxRequestSize());
}
if (StringUtils.hasText(this.multipartProperties.getMaxFileSize())) {
factory.setMaxFileSize(this.multipartProperties.getMaxFileSize());
}
return factory.createMultipartConfig();
return this.multipartProperties.createMultipartConfig();
}
@Bean
@ -83,4 +63,5 @@ public class MultipartAutoConfiguration {
public StandardServletMultipartResolver multipartResolver() {
return new StandardServletMultipartResolver();
}
}

136
spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/MultipartProperties.java
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@ -16,65 +16,99 @@
package org.springframework.boot.autoconfigure.web;
import javax.servlet.MultipartConfigElement;
import org.springframework.boot.context.embedded.MultipartConfigFactory;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.util.StringUtils;
/**
* Properties to be used in configuring
* a <A href="http://docs.oracle.com/javaee/6/api/javax/servlet/MultipartConfigElement.html">javax.servlet.MultipartConfigElement</a>.
* <p/>
* {@literal multipart.fileSizeThreshold} specifies the size threshold after which files will be written to disk. Default is 0, which means that the file will be written to disk immediately.
* {@literal multipart.location} specifies the directory where files will be stored. The default is "". A common value is to use the system's temporary directory, which can be obtained
* {@literal multipart.maxFileSize} specifies the maximum size permitted for uploaded files. The default is unlimited.
* {@literal multipart.maxRequestSize} specifies the maximum size allowed for {@literal multipart/form-data} requests.
* <p/>
* These properties are ultimately passed through {@link org.springframework.boot.context.embedded.MultipartConfigFactory}
* which means you may specify the values using {@literal long} values or using more readable {@literal String}
* variants that accept {@literal KB} or {@literal MB} suffixes.
* Properties to be used in configuring a {@link MultipartConfigElement}.
* <ul>
* <li>{@literal multipart.location} specifies the directory where files will be stored.
* The default is "". A common value is to use the system's temporary directory, which can
* be obtained.</li>
* <li>{@literal multipart.maxFileSize} specifies the maximum size permitted for uploaded
* files. The default is 1Mb.</li>
* <li>
* {@literal multipart.maxRequestSize} specifies the maximum size allowed for
* {@literal multipart/form-data} requests. The default is 10Mb</li>
* <li>
* {@literal multipart.fileSizeThreshold} specifies the size threshold after which files
* will be written to disk. Default is 0, which means that the file will be written to
* disk immediately.</li>
* </ul>
* <p>
* These properties are ultimately passed through
* {@link org.springframework.boot.context.embedded.MultipartConfigFactory} which means
* you may specify the values using {@literal long} values or using more readable
* {@literal String} variants that accept {@literal Kb} or {@literal Mb} suffixes.
*
* @author Josh Long
* @since 1.1.0
*/
@ConfigurationProperties(prefix = "multipart", ignoreUnknownFields = false)
public class MultipartProperties {
private String maxFileSize = "1Mb";
private String maxRequestSize = "10Mb";
private String fileSizeThreshold = null;
private String location = null;
public String getMaxFileSize() {
return maxFileSize;
}
public String getMaxRequestSize() {
return maxRequestSize;
}
public String getFileSizeThreshold() {
return fileSizeThreshold;
}
public String getLocation() {
return location;
}
public void setMaxFileSize(String maxFileSize) {
this.maxFileSize = maxFileSize;
}
public void setMaxRequestSize(String maxRequestSize) {
this.maxRequestSize = maxRequestSize;
}
public void setLocation(String location) {
this.location = location;
}
public void setFileSizeThreshold(String fileSizeThreshold) {
this.fileSizeThreshold = fileSizeThreshold;
}
private String location;
private String maxFileSize = "1Mb";
private String maxRequestSize = "10Mb";
private String fileSizeThreshold = "0";
public String getMaxFileSize() {
return this.maxFileSize;
}
public String getMaxRequestSize() {
return this.maxRequestSize;
}
public String getFileSizeThreshold() {
return this.fileSizeThreshold;
}
public String getLocation() {
return this.location;
}
public void setMaxFileSize(String maxFileSize) {
this.maxFileSize = maxFileSize;
}
public void setMaxRequestSize(String maxRequestSize) {
this.maxRequestSize = maxRequestSize;
}
public void setLocation(String location) {
this.location = location;
}
public void setFileSizeThreshold(String fileSizeThreshold) {
this.fileSizeThreshold = fileSizeThreshold;
}
/**
* Create a new {@link MultipartConfigElement} using the
* @return a new {@link MultipartConfigElement} configured using there properties
*/
public MultipartConfigElement createMultipartConfig() {
MultipartConfigFactory factory = new MultipartConfigFactory();
if (StringUtils.hasText(this.fileSizeThreshold)) {
factory.setFileSizeThreshold(this.fileSizeThreshold);
}
if (StringUtils.hasText(this.location)) {
factory.setLocation(this.location);
}
if (StringUtils.hasText(this.maxRequestSize)) {
factory.setMaxRequestSize(this.maxRequestSize);
}
if (StringUtils.hasText(this.maxFileSize)) {
factory.setMaxFileSize(this.maxFileSize);
}
return factory.createMultipartConfig();
}
}

55
spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/MultipartAutoConfigurationTests.java
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@ -38,10 +38,12 @@ import org.springframework.web.multipart.support.StandardServletMultipartResolve
import org.springframework.web.servlet.DispatcherServlet;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import static org.hamcrest.Matchers.equalTo;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertThat;
/**
* Tests for {@link MultipartAutoConfiguration}. Tests an empty configuration, no
@ -71,10 +73,10 @@ public class MultipartAutoConfigurationTests {
ContainerWithNothing.class, BaseConfiguration.class);
DispatcherServlet servlet = this.context.getBean(DispatcherServlet.class);
assertNotNull(servlet.getMultipartResolver());
assertEquals(1,
this.context.getBeansOfType(StandardServletMultipartResolver.class)
.size());
assertEquals(1, this.context.getBeansOfType(MultipartResolver.class).size());
assertThat(this.context.getBeansOfType(StandardServletMultipartResolver.class)
.size(), equalTo(1));
assertThat(this.context.getBeansOfType(MultipartResolver.class).size(),
equalTo(1));
}
@Configuration
@ -87,10 +89,10 @@ public class MultipartAutoConfigurationTests {
ContainerWithNoMultipartJetty.class, BaseConfiguration.class);
DispatcherServlet servlet = this.context.getBean(DispatcherServlet.class);
assertNotNull(servlet.getMultipartResolver());
assertEquals(1,
this.context.getBeansOfType(StandardServletMultipartResolver.class)
.size());
assertEquals(1, this.context.getBeansOfType(MultipartResolver.class).size());
assertThat(this.context.getBeansOfType(StandardServletMultipartResolver.class)
.size(), equalTo(1));
assertThat(this.context.getBeansOfType(MultipartResolver.class).size(),
equalTo(1));
verifyServletWorks();
}
@ -113,10 +115,10 @@ public class MultipartAutoConfigurationTests {
ContainerWithNoMultipartTomcat.class, BaseConfiguration.class);
DispatcherServlet servlet = this.context.getBean(DispatcherServlet.class);
assertNull(servlet.getMultipartResolver());
assertEquals(1,
this.context.getBeansOfType(StandardServletMultipartResolver.class)
.size());
assertEquals(1, this.context.getBeansOfType(MultipartResolver.class).size());
assertThat(this.context.getBeansOfType(StandardServletMultipartResolver.class)
.size(), equalTo(1));
assertThat(this.context.getBeansOfType(MultipartResolver.class).size(),
equalTo(1));
verifyServletWorks();
}
@ -134,7 +136,9 @@ public class MultipartAutoConfigurationTests {
public void containerWithAutomatedMultipartTomcatConfiguration() throws Exception {
this.context = new AnnotationConfigEmbeddedWebApplicationContext(
ContainerWithEverythingTomcat.class, BaseConfiguration.class);
new RestTemplate().getForObject("http://localhost:8080/", String.class);
new RestTemplate().getForObject("http://localhost:"
+ this.context.getEmbeddedServletContainer().getPort() + "/",
String.class);
this.context.getBean(MultipartConfigElement.class);
assertSame(this.context.getBean(DispatcherServlet.class).getMultipartResolver(),
this.context.getBean(StandardServletMultipartResolver.class));
@ -149,8 +153,9 @@ public class MultipartAutoConfigurationTests {
.addFirst(new PropertySource<Object>("test") {
@Override
public Object getProperty(String name) {
if (name.toLowerCase().contains("multipart.enabled"))
if (name.toLowerCase().contains("multipart.enabled")) {
return "false";
}
return null;
}
});
@ -162,8 +167,9 @@ public class MultipartAutoConfigurationTests {
private void verifyServletWorks() {
RestTemplate restTemplate = new RestTemplate();
assertEquals(restTemplate.getForObject("http://localhost:8080/", String.class),
"Hello");
assertEquals(restTemplate.getForObject("http://localhost:"
+ this.context.getEmbeddedServletContainer().getPort() + "/",
String.class), "Hello");
}
@Configuration
@ -172,6 +178,13 @@ public class MultipartAutoConfigurationTests {
ServerPropertiesAutoConfiguration.class })
protected static class BaseConfiguration {
@Bean
public ServerProperties serverProperties() {
ServerProperties properties = new ServerProperties();
properties.setPort(0);
return properties;
}
}
@Configuration
@ -186,10 +199,12 @@ public class MultipartAutoConfigurationTests {
WebController controller() {
return new WebController();
}
}
@Configuration
public static class ContainerWithEverythingJetty {
@Bean
MultipartConfigElement multipartConfigElement() {
return new MultipartConfigElement("");
@ -204,11 +219,13 @@ public class MultipartAutoConfigurationTests {
WebController webController() {
return new WebController();
}
}
@Configuration
@EnableWebMvc
public static class ContainerWithEverythingTomcat {
@Bean
MultipartConfigElement multipartConfigElement() {
return new MultipartConfigElement("");
@ -223,14 +240,18 @@ public class MultipartAutoConfigurationTests {
WebController webController() {
return new WebController();
}
}
@Controller
public static class WebController {
@RequestMapping("/")
public @ResponseBody String index() {
@ResponseBody
public String index() {
return "Hello";
}
}
}

30
spring-boot-docs/src/main/asciidoc/howto.adoc
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@ -726,22 +726,24 @@ then you can take control completely and do everything manually using
See the {sc-spring-boot-autoconfigure}/web/WebMvcAutoConfiguration.{sc-ext}[`WebMvcAutoConfiguration`]
source code for more details.
[[howto-multipart-file-upload-configuration]]
=== Handling Multipart File Uploads
Spring Boot embraces the Servlet 3 `javax.servlet.http.Part` API to support uploading files. By default
Spring Boot configures Spring MVC with a maximum file of 1Mb per
file and a maximum of 10Mb of file data in a single request. You may override these values, as well as the location
to which intermediate data is stored (e.g., to the `/tmp` directory) and the threshold past which data is flushed to
disk by using the properties exposed in the `MultipartAutoConfiguration` class. If you want to specify that files be unlimited,
for example, set the `multipart.maxFileSize` property to `-1`.
The multipart support is helpful when you want to receive multipart encoded file data as a `@RequestParam`-annotated
parameter of type `MultipartFile` in a Spring MVC controller handler method.
See the {sc-spring-boot-autoconfigure}/web/MultipartAutoConfiguration.{sc-ext}[`MultipartAutoConfiguration`] source for more details.
[[howto-multipart-file-upload-configuration]]
=== Handling Multipart File Uploads
Spring Boot embraces the Servlet 3 `javax.servlet.http.Part` API to support uploading
files. By default Spring Boot configures Spring MVC with a maximum file of 1Mb per
file and a maximum of 10Mb of file data in a single request. You may override these
values, as well as the location to which intermediate data is stored (e.g., to the `/tmp`
directory) and the threshold past which data is flushed to disk by using the properties
exposed in the `MultipartProperties` class. If you want to specify that files be
unlimited, for example, set the `multipart.maxFileSize` property to `-1`.
The multipart support is helpful when you want to receive multipart encoded file data as
a `@RequestParam`-annotated parameter of type `MultipartFile` in a Spring MVC controller
handler method.
See the {sc-spring-boot-autoconfigure}/web/MultipartAutoConfiguration.{sc-ext}[`MultipartAutoConfiguration`] s
ource for more details.

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