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16 changes: 16 additions & 0 deletions
16
dotCMS/src/main/java/com/dotcms/util/transform/DBTransformer.java
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| @@ -0,0 +1,16 @@ | ||
| package com.dotcms.util.transform; | ||
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| import java.util.List; | ||
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| /** | ||
| * Interface that contains the definition that a transformer needs to implement in order to convert | ||
| * DB objects into entities(eg. Folder, Template, Containers) | ||
| * @param <T> | ||
| */ | ||
| public interface DBTransformer<T> { | ||
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| /** | ||
| * @return List of converted objects | ||
| */ | ||
| List<T> asList(); | ||
| } |
124 changes: 124 additions & 0 deletions
124
dotCMS/src/main/java/com/dotcms/util/transform/TransformerLocator.java
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| package com.dotcms.util.transform; | ||
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| import com.dotmarketing.beans.Identifier; | ||
| import com.dotmarketing.beans.transform.IdentifierTransformer; | ||
| import com.dotmarketing.portlets.containers.model.Container; | ||
| import com.dotmarketing.portlets.containers.transform.ContainerTransformer; | ||
| import com.dotmarketing.portlets.folders.model.Folder; | ||
| import com.dotmarketing.portlets.folders.transform.TemplateTransformer; | ||
| import com.dotmarketing.portlets.links.model.Link; | ||
| import com.dotmarketing.portlets.links.transform.LinkTransformer; | ||
| import com.dotmarketing.portlets.templates.model.Template; | ||
| import com.dotmarketing.portlets.templates.transform.FolderTransformer; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.concurrent.ConcurrentHashMap; | ||
| import java.util.function.Function; | ||
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| /** | ||
| * Factory class used to instantiate DBTransformer objects | ||
| * Default DBTransformer objects supported so far are: FolderTransformer, TemplateTransformer, | ||
| * ContainerTransformer, LinkTransformer and IdentifierTransformer | ||
| * However, new implementations can be included calling the addTransformer | ||
| * method and removed calling removeTransformer. | ||
| * @author nollymar | ||
| */ | ||
| public class TransformerLocator { | ||
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| private TransformerLocator() { | ||
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| } | ||
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| /** | ||
| * Map that contains DbTransformer implementations | ||
| */ | ||
| private static Map<Class, Function<List<Map<String, Object>>, DBTransformer>> transformerMapping = new ConcurrentHashMap<>(); | ||
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| static { | ||
| transformerMapping.put (Folder.class, TransformerLocator::createFolderTransformer); | ||
| transformerMapping.put (Template.class, TransformerLocator::createTemplateTransformer); | ||
| transformerMapping.put (Container.class, TransformerLocator::createContainerTransformer); | ||
| transformerMapping.put (Link.class, TransformerLocator::createLinkTransformer); | ||
| transformerMapping.put (Identifier.class, TransformerLocator::createIdentifierTransformer); | ||
| } | ||
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| public static DBTransformer createDBTransformer(List<Map<String, Object>> list, Class clazz) { | ||
| DBTransformer transformer = null; | ||
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| if (transformerMapping.containsKey(clazz)){ | ||
| transformer = transformerMapping.get(clazz).apply(list); | ||
| } | ||
| return transformer; | ||
| } | ||
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| /** | ||
| * Extends default DBTransformer map | ||
| * @param clazz Class which DB results will be transformed to | ||
| * @param transformerFunction DBTransformer that contains the implementation | ||
| */ | ||
| public static void addTransformer(Class clazz, | ||
| Function<List<Map<String, Object>>, DBTransformer> transformerFunction) { | ||
| transformerMapping.put(clazz, transformerFunction); | ||
| } | ||
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| /** | ||
| * Remove a DBTransformer implementation from the map given the class as a key | ||
| * @param clazz | ||
| */ | ||
| public static void removeTransformer(Class clazz){ | ||
| transformerMapping.remove(clazz); | ||
| } | ||
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| /** | ||
| * Creates a DBTransformer for Folder objects | ||
| * @param initList List of DB results to be transformed | ||
| * @return | ||
| */ | ||
| public static FolderTransformer createFolderTransformer(List<Map<String, Object>> initList) { | ||
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| return new FolderTransformer(initList); | ||
| } | ||
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| /** | ||
| * Creates a DBTransformer for Template objects | ||
| * @param initList List of DB results to be transformed | ||
| * @return | ||
| */ | ||
| public static TemplateTransformer createTemplateTransformer( | ||
| List<Map<String, Object>> initList) { | ||
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| return new TemplateTransformer(initList); | ||
| } | ||
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| /** | ||
| * Creates a DBTransformer for Container objects | ||
| * @param initList List of DB results to be transformed | ||
| * @return | ||
| */ | ||
| public static ContainerTransformer createContainerTransformer( | ||
| List<Map<String, Object>> initList) { | ||
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| return new ContainerTransformer(initList); | ||
| } | ||
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| /** | ||
| * Creates a DBTransformer for Link objects | ||
| * @param initList List of DB results to be transformed | ||
| * @return | ||
| */ | ||
| public static LinkTransformer createLinkTransformer(List<Map<String, Object>> initList) { | ||
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| return new LinkTransformer(initList); | ||
| } | ||
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| /** | ||
| * Creates a DBTransformer for Identifier objects | ||
| * @param initList List of DB results to be transformed | ||
| * @return | ||
| */ | ||
| public static IdentifierTransformer createIdentifierTransformer( | ||
| List<Map<String, Object>> initList) { | ||
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| return new IdentifierTransformer(initList); | ||
| } | ||
| } |
47 changes: 47 additions & 0 deletions
47
dotCMS/src/main/java/com/dotmarketing/beans/transform/IdentifierTransformer.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,47 @@ | ||
| package com.dotmarketing.beans.transform; | ||
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| import com.dotcms.util.transform.DBTransformer; | ||
| import com.dotmarketing.beans.Identifier; | ||
| import java.util.ArrayList; | ||
| import java.util.Date; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import org.jetbrains.annotations.NotNull; | ||
|
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| /** | ||
| * DBTransformer that converts DB objects into Identifier instances | ||
| */ | ||
| public class IdentifierTransformer implements DBTransformer { | ||
| final List<Identifier> list; | ||
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| public IdentifierTransformer(List<Map<String, Object>> initList){ | ||
| List<Identifier> newList = new ArrayList<>(); | ||
| if (initList != null){ | ||
| for(Map<String, Object> map : initList){ | ||
| newList.add(transform(map)); | ||
| } | ||
| } | ||
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| this.list = newList; | ||
| } | ||
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| @Override | ||
| public List<Identifier> asList() { | ||
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| return this.list; | ||
| } | ||
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| @NotNull | ||
| private static Identifier transform(Map<String, Object> map) { | ||
| final Identifier i = new Identifier(); | ||
| i.setAssetName((String) map.get("asset_name")); | ||
| i.setAssetType((String) map.get("asset_type")); | ||
| i.setHostId((String) map.get("host_inode")); | ||
| i.setId((String) map.get("id")); | ||
| i.setParentPath((String) map.get("parent_path")); | ||
| i.setSysPublishDate((Date) map.get("syspublish_date")); | ||
| i.setSysExpireDate((Date) map.get("sysexpire_date")); | ||
| return i; | ||
| } | ||
| } |
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