Adding taglet for @preview.
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package build.tools.taglet;
import java.util.EnumSet;
import java.util.List;
import java.util.Set;
import javax.lang.model.element.Element;
import com.sun.source.doctree.DocTree;
import com.sun.source.doctree.UnknownBlockTagTree;
import jdk.javadoc.doclet.Taglet;
import static jdk.javadoc.doclet.Taglet.Location.*;
/**
* An block tag to insert a standard warning about a preview API.
*/
public class Preview implements Taglet {
/** Returns the set of locations in which a taglet may be used. */
@Override
public Set<Location> getAllowedLocations() {
return EnumSet.of(MODULE, PACKAGE, TYPE, CONSTRUCTOR, METHOD, FIELD);
}
@Override
public boolean isInlineTag() {
return false;
}
@Override
public String getName() {
return "preview";
}
@Override
public String toString(List<? extends DocTree> tags, Element elem) {
StringBuilder sb = new StringBuilder();
sb.append("<dt>Preview Feature:\n");
for (DocTree tag : tags) {
UnknownBlockTagTree ubt = (UnknownBlockTagTree) tag;
sb.append("<dd style=\"border: 1px solid red; border-radius: 5px; padding: 5px; font-size: larger\"> <b>Preview:</b> ")
.append(ubt.getContent());
}
return sb.toString();
}
}