Rename setPdfUA() to addUAXmpMetadata

DEVSIX-629

Author: pavel-alay

kernel/src/main/java/com/itextpdf/kernel/pdf/PdfDocument.java

@@ -1845,7 +1845,7 @@ protected XMPMeta updateDefaultXmpMetadata() throws XMPException {
         XMPMeta xmpMeta = XMPMetaFactory.parseFromBuffer(getXmpMetadata(true));
         XmpMetaInfoConverter.appendDocumentInfoToMetadata(info, xmpMeta);
 
-        if (isTagged() && writer.properties.pdfUA && !isXmpMetaHasProperty(xmpMeta, XMPConst.NS_PDFUA_ID, XMPConst.PART)) {
+        if (isTagged() && writer.properties.addUAXmpMetadata && !isXmpMetaHasProperty(xmpMeta, XMPConst.NS_PDFUA_ID, XMPConst.PART)) {
             xmpMeta.setPropertyInteger(XMPConst.NS_PDFUA_ID, XMPConst.PART, 1, new PropertyOptions(PropertyOptions.SEPARATE_NODE));
         }
 

kernel/src/main/java/com/itextpdf/kernel/pdf/WriterProperties.java

@@ -64,7 +64,7 @@ public class WriterProperties implements Serializable {
     protected boolean smartMode;
     protected boolean debugMode;
     protected boolean addXmpMetadata;
-    protected boolean pdfUA;
+    protected boolean addUAXmpMetadata;
     protected PdfVersion pdfVersion;
     protected EncryptionProperties encryptionProperties;
     /**
@@ -80,7 +80,7 @@ public class WriterProperties implements Serializable {
     public WriterProperties() {
         smartMode = false;
         debugMode = false;
-        pdfUA = false;
+        addUAXmpMetadata = false;
         compressionLevel = CompressionConstants.DEFAULT_COMPRESSION;
         isFullCompression = null;
         encryptionProperties = new EncryptionProperties();
@@ -128,7 +128,7 @@ public WriterProperties addXmpMetadata() {
      * Defines the level of compression for the document.
      * See {@link CompressionConstants}
      *
-     * @param compressionLevel
+     * @param compressionLevel {@link CompressionConstants} value.
      * @return this {@code WriterProperties} instance
      */
     public WriterProperties setCompressionLevel(int compressionLevel) {
@@ -238,14 +238,15 @@ public WriterProperties useDebugMode() {
 
     /**
      * This method marks the document as PDF/UA and sets related flags is XMPMetaData.
+     * This method calls {@link #addXmpMetadata()} implicitly.
      * NOTE: iText does not validate PDF/UA, which means we don't check if created PDF meets all PDF/UA requirements.
      * Don't use this method if you are not familiar with PDF/UA specification in order to avoid creation of non-conformant PDF/UA file.
      *
      * @return this {@code WriterProperties} instance
      */
-    public WriterProperties setPdfUA() {
-        this.pdfUA = true;
-        return this;
+    public WriterProperties addUAXmpMetadata() {
+        this.addUAXmpMetadata = true;
+        return addXmpMetadata();
     }
 
     boolean isStandardEncryptionUsed() {