Dave Jarvis' Repositories
git clone https://repo.autonoma.ca/repo/keenwrite.git
Make static YAML objects
| Author | DaveJarvis <email> |
|---|---|
| Date | 2021-01-06 18:05:19 GMT-0800 |
| Commit | d51b44412f28c17d912e690d900a46478dba2b04 |
| Parent | 5a68c79 |
| Delta | 12 lines added, 5 lines removed, 7-line increase |
src/main/java/com/keenwrite/editors/definition/yaml/YamlTreeTransformer.java
| import static com.fasterxml.jackson.dataformat.yaml.YAMLGenerator.Feature.MINIMIZE_QUOTES; | ||
| +import static com.fasterxml.jackson.dataformat.yaml.YAMLGenerator.Feature.SPLIT_LINES; | ||
| /** | ||
| * Transforms a JsonNode hierarchy into a tree that can be displayed in a user | ||
| * interface and vice-versa. | ||
| */ | ||
| public final class YamlTreeTransformer implements TreeTransformer { | ||
| + private static final YAMLFactory sFactory; | ||
| + private static final YAMLMapper sMapper; | ||
| + | ||
| + static { | ||
| + sFactory = new YAMLFactory(); | ||
| + sFactory.configure( MINIMIZE_QUOTES, true ); | ||
| + sFactory.configure( SPLIT_LINES, false ); | ||
| + sMapper = new YAMLMapper( sFactory ); | ||
| + } | ||
| /** | ||
 | ||
| public String transform( final TreeItem<String> treeItem ) { | ||
| try { | ||
| - final var factory = new YAMLFactory(); | ||
| - factory.configure( MINIMIZE_QUOTES, true ); | ||
| - final var mapper = new YAMLMapper( factory ); | ||
| - final var root = mapper.createObjectNode(); | ||
| + final var root = sMapper.createObjectNode(); | ||
| // Iterate over the root item's children. The root item is used by the | ||
| // application to ensure definitions can always be added to a tree, as | ||
| // such it is not meant to be exported, only its children. | ||
| for( final var child : treeItem.getChildren() ) { | ||
| transform( child, root ); | ||
| } | ||
| - return mapper.writeValueAsString( root ); | ||
| + return sMapper.writeValueAsString( root ); | ||
| } catch( final Exception ex ) { | ||
| throw new RuntimeException( ex ); | ||