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68 lines
2.4 KiB
Java
68 lines
2.4 KiB
Java
package org.gcube.data.access.storagehub.handlers;
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import java.util.Arrays;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import org.gcube.common.storagehub.model.annotations.RootNode;
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import org.gcube.common.storagehub.model.items.RootItem;
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import org.reflections.Reflections;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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public class ClassHandler {
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private static Logger log = LoggerFactory.getLogger(ClassHandler.class);
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private static ClassHandler instance = null;
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public static ClassHandler instance() {
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if (instance == null)
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instance = new ClassHandler();
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return instance;
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}
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private Reflections reflection = new Reflections();
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private List<String> deprecatedNode = Arrays.asList("nthl:query", "nthl:aquamapsItem", "nthl:timeSeriesItem", "nthl:report", "nthl:reportTemplate", "nthl:workflowReport",
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"nthl:workflowTemplate", "nthl:gCubeMetadata", "nthl:gCubeDocument", "nthl:gCubeDocumentLink", "nthl:gCubeImageDocumentLink", "nthl:gCubePDFDocumentLink",
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"nthl:gCubeImageDocument", "nthl:gCubePDFDocument", "nthl:gCubeURLDocument", "nthl:gCubeAnnotation", "nthl:externalResourceLink", "nthl:tabularDataLink");
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private Map<String, Class<? extends RootItem>> classMap = new HashMap<String, Class<? extends RootItem>>();
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private Map<Class<? extends RootItem>, String> typeMap = new HashMap<Class<? extends RootItem>, String>();
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@SuppressWarnings("unchecked")
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private ClassHandler() {
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Set<Class<?>> classesAnnotated = reflection.getTypesAnnotatedWith(RootNode.class);
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for (Class<?> clazz: classesAnnotated ){
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if (RootItem.class.isAssignableFrom(clazz)) {
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String value = clazz.getAnnotation(RootNode.class).value();
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log.debug("loading class {} with value {} ", clazz, value );
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classMap.put(value, (Class<? extends RootItem>) clazz);
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typeMap.put((Class<? extends RootItem>) clazz, value);
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}
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}
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}
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public Class<? extends RootItem> get(String nodeType){
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if (classMap.containsKey(nodeType)) return classMap.get(nodeType);
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if (deprecatedNode.contains(nodeType)) return RootItem.class;
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return null;
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//throw new RuntimeException("mapping not found for nodetype "+ nodeType);
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}
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public String getNodeType(Class<? extends RootItem> clazz){
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if (typeMap.containsKey(clazz)) return typeMap.get(clazz);
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throw new RuntimeException("mapping not found for nodetype "+ clazz.getSimpleName());
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}
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}
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