Complete null annotations in API

src/main/java/io/wcm/handler/media/Media.java

@@ -97,7 +97,7 @@ public void setMediaRequest(@NotNull MediaRequest mediaRequest) {
    * @return Html element
    */
   @JsonIgnore
-  public HtmlElement<?> getElement() {
+  public @Nullable HtmlElement<?> getElement() {
     if (this.element == null && this.elementBuilder != null) {
       this.element = this.elementBuilder.apply(this);
       this.elementBuilder = null;
@@ -109,7 +109,7 @@ public HtmlElement<?> getElement() {
    * @return Media HTML element serialized to string. Returns null if media element is null.
    */
   @JsonIgnore
-  public String getMarkup() {
+  public @Nullable String getMarkup() {
     HtmlElement<?> el = getElement();
     if (markup == null && el != null) {
       if (el instanceof Span) {
@@ -130,38 +130,38 @@ public String getMarkup() {
   /**
    * @param value Function that builds the HTML element representation on demand
    */
-  public void setElementBuilder(Function<Media, HtmlElement<?>> value) {
+  public void setElementBuilder(@NotNull Function<Media, HtmlElement<?>> value) {
     this.elementBuilder = value;
     this.markup = null;
   }
 
   /**
    * @return Media URL
    */
-  public String getUrl() {
+  public @Nullable String getUrl() {
     return this.url;
   }
 
   /**
    * @param value Media URL
    */
-  public void setUrl(String value) {
+  public void setUrl(@Nullable String value) {
     this.url = value;
   }
 
   /**
    * Get media item info that was resolved during media handler processing
    * @return Media item
    */
-  public Asset getAsset() {
+  public @Nullable Asset getAsset() {
     return this.asset;
   }
 
   /**
    * Set media item that was resolved during media handler processing
    * @param asset Media item
    */
-  public void setAsset(Asset asset) {
+  public void setAsset(@Nullable Asset asset) {
     this.asset = asset;
   }
 
@@ -170,7 +170,7 @@ public void setAsset(Asset asset) {
    * @return Rendition
    */
   @JsonIgnore
-  public Rendition getRendition() {
+  public @Nullable Rendition getRendition() {
     if (this.renditions == null || this.renditions.isEmpty()) {
       return null;
     }
@@ -181,7 +181,7 @@ public Rendition getRendition() {
    * Get all renditions that were resolved during media handler processing
    * @return Renditions
    */
-  public Collection<Rendition> getRenditions() {
+  public @NotNull Collection<Rendition> getRenditions() {
     if (this.renditions == null) {
       return Collections.emptyList();
     }
@@ -194,7 +194,7 @@ public Collection<Rendition> getRenditions() {
    * Set all renditions that was resolved during media handler processing
    * @param renditions Renditions
    */
-  public void setRenditions(Collection<Rendition> renditions) {
+  public void setRenditions(@Nullable Collection<Rendition> renditions) {
     this.renditions = renditions;
   }
 
@@ -254,30 +254,30 @@ public boolean isValid() {
    * @return Reason why the requested media could not be resolved and is invalid
    */
   @JsonIgnore
-  public MediaInvalidReason getMediaInvalidReason() {
+  public @Nullable MediaInvalidReason getMediaInvalidReason() {
     return this.mediaInvalidReason;
   }
 
   /**
    * @param mediaInvalidReason Reason why the requested media could not be resolved and is invalid
    */
-  public void setMediaInvalidReason(MediaInvalidReason mediaInvalidReason) {
+  public void setMediaInvalidReason(@Nullable MediaInvalidReason mediaInvalidReason) {
     this.mediaInvalidReason = mediaInvalidReason;
   }
 
   /**
    * @return Custom message when {@link #getMediaInvalidReason()} is set to {@link MediaInvalidReason#CUSTOM}.
    *         Message is interpreted as i18n key.
    */
-  public String getMediaInvalidReasonCustomMessage() {
+  public @Nullable String getMediaInvalidReasonCustomMessage() {
     return this.mediaInvalidReasonCustomMessage;
   }
 
   /**
    * @param mediaInvalidReasonCustomMessage Custom message when {@link #getMediaInvalidReason()} is set to
    *          {@link MediaInvalidReason#CUSTOM}. Message is interpreted as i18n key.
    */
-  public void setMediaInvalidReasonCustomMessage(String mediaInvalidReasonCustomMessage) {
+  public void setMediaInvalidReasonCustomMessage(@Nullable String mediaInvalidReasonCustomMessage) {
     this.mediaInvalidReasonCustomMessage = mediaInvalidReasonCustomMessage;
   }
 

src/main/java/io/wcm/handler/media/MediaComponentPropertyResolver.java

@@ -193,7 +193,6 @@ else if (mediaFormatsMandatory.length > i) {
   /**
    * @return Image sizes
    */
-  @SuppressWarnings("null")
   public @Nullable ImageSizes getImageSizes() {
     String responsiveType = getResponsiveType();
     if (responsiveType != null && !StringUtils.equals(responsiveType, RESPONSIVE_TYPE_IMAGE_SIZES)) {

src/main/java/io/wcm/handler/media/MediaHandler.java

@@ -46,7 +46,7 @@ public interface MediaHandler {
    * @return Media builder
    */
   @NotNull
-  MediaBuilder get(Resource resource);
+  MediaBuilder get(@Nullable Resource resource);
 
   /**
    * Build media which is referenced in the resource (as property or inline binary data).
@@ -57,7 +57,7 @@ public interface MediaHandler {
    * @return Media builder
    */
   @NotNull
-  MediaBuilder get(Resource resource, MediaArgs mediaArgs);
+  MediaBuilder get(@Nullable Resource resource, @NotNull MediaArgs mediaArgs);
 
   /**
    * Build media which is referenced in the resource (as property or inline binary data).
@@ -68,7 +68,7 @@ public interface MediaHandler {
    * @return Media builder
    */
   @NotNull
-  MediaBuilder get(Resource resource, MediaFormat... mediaFormats);
+  MediaBuilder get(@Nullable Resource resource, MediaFormat @NotNull... mediaFormats);
 
   /**
    * Build media which is referenced via its string address.
@@ -78,7 +78,7 @@ public interface MediaHandler {
    * @see #get(String, Resource)
    */
   @NotNull
-  MediaBuilder get(String mediaRef);
+  MediaBuilder get(@Nullable String mediaRef);
 
   /**
    * Build media which is referenced via its string address.
@@ -88,7 +88,7 @@ public interface MediaHandler {
    * @return Media builder
    */
   @NotNull
-  MediaBuilder get(String mediaRef, @Nullable Resource contextResource);
+  MediaBuilder get(@Nullable String mediaRef, @Nullable Resource contextResource);
 
   /**
    * Build media which is referenced via its string address.
@@ -97,7 +97,7 @@ public interface MediaHandler {
    * @return Media builder
    */
   @NotNull
-  MediaBuilder get(String mediaRef, MediaArgs mediaArgs);
+  MediaBuilder get(@Nullable String mediaRef, @NotNull MediaArgs mediaArgs);
 
   /**
    * Build media which is referenced via its string address.
@@ -106,7 +106,7 @@ public interface MediaHandler {
    * @return Media builder
    */
   @NotNull
-  MediaBuilder get(String mediaRef, MediaFormat... mediaFormats);
+  MediaBuilder get(@Nullable String mediaRef, MediaFormat @NotNull... mediaFormats);
 
   /**
    * Build media for the given request holding all further request properties.
@@ -122,7 +122,7 @@ public interface MediaHandler {
    * @param element Media markup element.
    * @return true if media element is invalid
    */
-  boolean isValidElement(HtmlElement<?> element);
+  boolean isValidElement(@Nullable HtmlElement<?> element);
 
   /**
    * Returns an empty media that is marked as invalid.