Add support for Html text when exporting to docx (alpha)

dmp-backend/web/src/main/java/eu/eudat/logic/managers/DataManagementPlanManager.java

@@ -1142,7 +1142,7 @@ public class DataManagementPlanManager {
         wordBuilder.addParagraphContent("Data Management Plan Information", document, ParagraphStyle.HEADER1, BigInteger.ZERO);
         // DMP title custom style.
         wordBuilder.addParagraphContent(dmpEntity.getLabel(), document, ParagraphStyle.HEADER2, BigInteger.ZERO);
-        wordBuilder.addParagraphContent(dmpEntity.getDescription(), document, ParagraphStyle.TEXT, BigInteger.ZERO);
+        wordBuilder.addParagraphContent(dmpEntity.getDescription(), document, ParagraphStyle.HTML, BigInteger.ZERO);
 
         wordBuilder.addParagraphContent("Funder", document, ParagraphStyle.HEADER3, BigInteger.ZERO);
         if (dmpEntity.getGrant().getFunder() != null)
@@ -1246,7 +1246,7 @@ public class DataManagementPlanManager {
                     }*/
 
 
-                     wordBuilder.addParagraphContent(datasetEntity.getDescription(), document, ParagraphStyle.TEXT, BigInteger.ZERO);
+                     wordBuilder.addParagraphContent(datasetEntity.getDescription(), document, ParagraphStyle.HTML, BigInteger.ZERO);
 
                      // Dataset Description custom style.
                      XWPFParagraph datasetDescriptionParagraph = document.createParagraph();

dmp-backend/web/src/main/java/eu/eudat/logic/utilities/documents/types/ParagraphStyle.java

@@ -4,7 +4,7 @@ package eu.eudat.logic.utilities.documents.types;
  * Created by ikalyvas on 2/26/2018.
  */
 public enum ParagraphStyle {
-    TEXT(0), HEADER1(1), HEADER2(2), HEADER3(3), HEADER4(4), TITLE(5), FOOTER(6), COMMENT(7), HEADER5(8), HEADER6(9);
+    TEXT(0), HEADER1(1), HEADER2(2), HEADER3(3), HEADER4(4), TITLE(5), FOOTER(6), COMMENT(7), HEADER5(8), HEADER6(9), HTML(10);
 
     private Integer value;
 
@@ -38,6 +38,8 @@ public enum ParagraphStyle {
                 return HEADER5;
             case 9:
                 return HEADER6;
+            case 10:
+                return HTML;
             default:
                 throw new RuntimeException("Unsupported ParagraphStyle Code");
         }

dmp-backend/web/src/main/java/eu/eudat/logic/utilities/documents/word/WordBuilder.java

@@ -13,6 +13,7 @@ import eu.eudat.models.data.user.components.datasetprofile.FieldSet;
 import eu.eudat.models.data.user.components.datasetprofile.Section;
 import eu.eudat.models.data.user.composite.DatasetProfilePage;
 import eu.eudat.models.data.user.composite.PagedDatasetProfile;
+import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
 import org.apache.poi.xwpf.usermodel.*;
 import org.openxmlformats.schemas.wordprocessingml.x2006.main.CTAbstractNum;
 import org.openxmlformats.schemas.wordprocessingml.x2006.main.CTDecimalNumber;
@@ -48,6 +49,19 @@ public class WordBuilder {
             run.setFontSize(11);
             return paragraph;
         });
+        this.options.put(ParagraphStyle.HTML, (mainDocumentPart, item) -> {
+            try {
+                XWPFHtmlDocument xwpfHtmlDocument = XWPFHtmlDocument.addHtmlDocument(mainDocumentPart);
+                if (item != null) {
+                    xwpfHtmlDocument.setHtml(item);
+                }
+                mainDocumentPart.getDocument().getBody().addNewAltChunk().setId(xwpfHtmlDocument.getId());
+            } catch (InvalidFormatException e) {
+                logger.error(e.getLocalizedMessage(), e);
+            }
+
+            return null;
+        });
         this.options.put(ParagraphStyle.TITLE, (mainDocumentPart, item) -> {
             XWPFParagraph paragraph = mainDocumentPart.createParagraph();
             paragraph.setStyle("Title");
@@ -223,11 +237,13 @@ public class WordBuilder {
     public XWPFParagraph addParagraphContent(String text, XWPFDocument mainDocumentPart, ParagraphStyle style, BigInteger numId) {
         if (text != null && !text.isEmpty()) {
             XWPFParagraph paragraph = this.options.get(style).apply(mainDocumentPart, text);
+            if (paragraph != null) {
                 if (numId != null) {
                     paragraph.setNumID(numId);
                 }
                 return paragraph;
             }
+        }
         return null;
     }
 

dmp-backend/web/src/main/java/eu/eudat/logic/utilities/documents/word/XWPFHtmlDocument.java

@@ -0,0 +1,63 @@
+package eu.eudat.logic.utilities.documents.word;
+
+import org.apache.poi.ooxml.POIXMLDocumentPart;
+import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
+import org.apache.poi.openxml4j.opc.OPCPackage;
+import org.apache.poi.openxml4j.opc.PackagePart;
+import org.apache.poi.openxml4j.opc.PackagePartName;
+import org.apache.poi.openxml4j.opc.PackagingURIHelper;
+import org.apache.poi.xwpf.usermodel.XWPFDocument;
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.OutputStreamWriter;
+import java.io.Writer;
+import java.util.UUID;
+
+public class XWPFHtmlDocument extends POIXMLDocumentPart {
+
+    private String html;
+    private String id;
+
+    public XWPFHtmlDocument(PackagePart pkg, String id) {
+        super(pkg);
+        this.html = "<!DOCTYPE html><html><head><meta http-equiv=\"content-type\" content=\"text/html; charset=utf-8\"><style></style><title>HTML import</title></head><body><p></p></body>";
+        this.id = id;
+    }
+
+    public String getHtml() {
+        return html;
+    }
+
+    public void setHtml(String html) {
+        this.html = this.html.replace("<p></p>", html);
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    @Override
+    protected void commit() throws IOException {
+        PackagePart packagePart = getPackagePart();
+        OutputStream outputStream = packagePart.getOutputStream();
+        Writer writer = new OutputStreamWriter(outputStream, "UTF-8");
+        writer.write(html);
+        writer.close();
+        outputStream.close();
+    }
+
+    public static XWPFHtmlDocument addHtmlDocument(XWPFDocument document) throws InvalidFormatException {
+        OPCPackage oPCPackage = document.getPackage();
+        String id = UUID.randomUUID().toString();
+        PackagePartName partName = PackagingURIHelper.createPartName("/word/" + id + ".html");
+        PackagePart part = oPCPackage.createPart(partName, "text/html");
+        XWPFHtmlDocument xWPFHtmlDocument = new XWPFHtmlDocument(part, id);
+        document.addRelation(xWPFHtmlDocument.getId(), new XWPFHtmlRelation(), xWPFHtmlDocument);
+        return xWPFHtmlDocument;
+    }
+}

dmp-backend/web/src/main/java/eu/eudat/logic/utilities/documents/word/XWPFHtmlRelation.java

@@ -0,0 +1,11 @@
+package eu.eudat.logic.utilities.documents.word;
+
+import org.apache.poi.ooxml.POIXMLRelation;
+
+public class XWPFHtmlRelation extends POIXMLRelation {
+    public XWPFHtmlRelation() {
+        super("text/html",
+                "http://schemas.openxmlformats.org/officeDocument/2006/relationships/aFChunk",
+                "/word/htmlDoc#.html");
+    }
+}