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Juergen Hoeller
2018-03-03 17:18:44 +01:00
parent 6e8a3fb4db
commit bc043245cc
4 changed files with 447 additions and 412 deletions
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50
spring-web/src/main/java/org/springframework/http/MediaType.java
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@@ -35,8 +35,8 @@ import org.springframework.util.StringUtils;
import org.springframework.util.comparator.CompoundComparator;
/**
* A sub-class of {@link MimeType} that adds support for quality parameters as defined
* in the HTTP specification.
* A subclass of {@link MimeType} that adds support for quality parameters
* as defined in the HTTP specification.
*
* @author Arjen Poutsma
* @author Juergen Hoeller
@@ -367,18 +367,49 @@ public class MediaType extends MimeType implements Serializable {
}
/**
* Return the quality value, as indicated by a {@code q} parameter, if any.
* Return the quality factor, as indicated by a {@code q} parameter, if any.
* Defaults to {@code 1.0}.
* @return the quality factory
* @return the quality factor as double value
*/
public double getQualityValue() {
String qualityFactory = getParameter(PARAM_QUALITY_FACTOR);
return (qualityFactory != null ? Double.parseDouble(unquote(qualityFactory)) : 1D);
String qualityFactor = getParameter(PARAM_QUALITY_FACTOR);
return (qualityFactor != null ? Double.parseDouble(unquote(qualityFactor)) : 1D);
}
/**
* Return a replica of this instance with the quality value of the given MediaType.
* @return the same instance if the given MediaType doesn't have a quality value, or a new one otherwise
* Indicate whether this {@code MediaType} includes the given media type.
* <p>For instance, {@code text/*} includes {@code text/plain} and {@code text/html},
* and {@code application/*+xml} includes {@code application/soap+xml}, etc.
* This method is <b>not</b> symmetric.
* <p>Simply calls {@link #includes(MimeType)} but declared with a
* {@code MediaType} parameter for binary backwards compatibility.
* @param other the reference media type with which to compare
* @return {@code true} if this media type includes the given media type;
* {@code false} otherwise
*/
public boolean includes(MediaType other) {
return super.includes(other);
}
/**
* Indicate whether this {@code MediaType} is compatible with the given media type.
* <p>For instance, {@code text/*} is compatible with {@code text/plain},
* {@code text/html}, and vice versa. In effect, this method is similar to
* {@link #includes}, except that it <b>is</b> symmetric.
* <p>Simply calls {@link #isCompatibleWith(MimeType)} but declared with a
* {@code MediaType} parameter for binary backwards compatibility.
* @param other the reference media type with which to compare
* @return {@code true} if this media type is compatible with the given media type;
* {@code false} otherwise
*/
public boolean isCompatibleWith(MediaType other) {
return super.isCompatibleWith(other);
}
/**
* Return a replica of this instance with the quality value of the given {@code MediaType}.
* @return the same instance if the given MediaType doesn't have a quality value,
* or a new one otherwise
*/
public MediaType copyQualityValue(MediaType mediaType) {
if (!mediaType.getParameters().containsKey(PARAM_QUALITY_FACTOR)) {
@@ -391,7 +422,8 @@ public class MediaType extends MimeType implements Serializable {
/**
* Return a replica of this instance with its quality value removed.
* @return the same instance if the media type doesn't contain a quality value, or a new one otherwise
* @return the same instance if the media type doesn't contain a quality value,
* or a new one otherwise
*/
public MediaType removeQualityValue() {
if (!getParameters().containsKey(PARAM_QUALITY_FACTOR)) {