feat(ext-api): migrate Exporter and ExportException to module IQSS#9175

Author: poikilotherm

…iq/dataverse/export/ExportException.java …xtension/exceptions/ExportException.javasrc/main/java/edu/harvard/iq/dataverse/export/ExportException.java renamed to modules/extension-api/src/main/java/io/gdcc/dataverse/extension/exceptions/ExportException.java src/main/java/edu/harvard/iq/dataverse/export/ExportException.java renamed to modules/extension-api/src/main/java/io/gdcc/dataverse/extension/exceptions/ExportException.java

@@ -3,7 +3,7 @@
  * To change this template file, choose Tools | Templates
  * and open the template in the editor.
  */
-package edu.harvard.iq.dataverse.export;
+package io.gdcc.dataverse.extension.exceptions;
 
 /**
  *

modules/extension-api/src/main/java/io/gdcc/dataverse/extension/spi/Exporter.java

@@ -0,0 +1,41 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package io.gdcc.dataverse.extension.spi;
+
+import io.gdcc.dataverse.extension.exceptions.ExportException;
+
+import javax.json.JsonObject;
+import javax.ws.rs.core.MediaType;
+import java.io.OutputStream;
+
+public interface Exporter {
+    
+    void exportDataset(JsonObject json, OutputStream outputStream) throws ExportException;
+    
+    String getProviderName();
+    
+    String getDisplayName();
+    
+    Boolean isXMLFormat();
+    
+    Boolean isHarvestable();
+    
+    Boolean isAvailableToUsers();
+    
+    /* These should throw an ExportException if called on an Exporter that is not isXMLFormat(): */
+    String getXMLNameSpace() throws ExportException;
+    
+    String getXMLSchemaLocation() throws ExportException;
+    
+    String getXMLSchemaVersion() throws ExportException;
+    
+    void setParam(String name, Object value);
+    
+    default String getMediaType() {
+        return MediaType.APPLICATION_XML;
+    }
+    
+}