new picaxml to metadata xml transformation

src/test/resources/xslt/normalized-picaxml-to-metadataxml.xml

 <?xml version="1.0" encoding="UTF-8"?>
-
-<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
+<xsl:stylesheet version="2.0"
+  xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
+  xmlns:pica="info:srw/schema/5/picaXML-v1.0"
+  >
+  
   <xsl:output indent="yes"/>
-  <xsl:template match="/record">
+  <xsl:strip-space elements="*"/>
+  <!-- <xsl:message terminate="no">here is the tree at the current node <xsl:copy-of select="."/>  </xsl:message> -->
+  <!-- <xsl:message terminate="no">here is some message for stderr, e.g. <xsl:value-of select='text()' /> </xsl:message> -->
+  <!-- 
+       <xsl:for-each select="./*">
+         <xsl:message terminate="no">a child=<xsl:value-of select="name()"/></xsl:message>
+       </xsl:for-each>
+     -->
+  
+  
+  <xsl:template match="/">
     <publication>
       <ssoar>
         <wgl>
@@ -13,11 +26,11 @@
         </contributor>
       </ssoar>
       <dc>
-        <source>
+        <!--source>
           <journal>
             Deutsches Schiffahrtsarchiv
           </journal>
-        </source>
+        </source-->
         <language>de</language>
         <rights>
           <licence>3</licence>
@@ -34,75 +47,99 @@
           <issn>0343-3668</issn>
         </identifier>
       </dc>
-      
-      <xsl:variable name="preferredMainTitle" select="datafield[tag='039I']/subfield[code='t']/content" />
-      <xsl:variable name="mainTitle">
+      <xsl:apply-templates select="pica:record" />
+    </publication>
+  </xsl:template>
+  <xsl:template match="pica:record">
+    <xsl:apply-templates select="pica:datafield[@tag='021A']"/>
+    <xsl:apply-templates select="pica:datafield[@tag='031A']"/>
+    <xsl:apply-templates select="pica:datafield[@tag='028A']"/>
+    <xsl:apply-templates select="pica:datafield[@tag='027D']"/>
+    <xsl:apply-templates select="pica:datafield[@tag='028C']"/>
+    <xsl:apply-templates select="pica:datafield[@tag='009P']"/>
+  </xsl:template>
+     
+  <xsl:template match="pica:datafield[@tag='021A']">
+    <dc>
+      <title>
         <xsl:choose>
-          <xsl:when test="$preferredMainTitle != ''">
-            <xsl:value-of select="$preferredMainTitle" />
+          <xsl:when test="string-length(/pica:record/pica:datafield[@tag='039I']/pica:subfield[@code='t']/text()) > 0">
+            <xsl:value-of select="/pica:record/pica:datafield[@tag='039I']/pica:subfield[@code='t']/text()"/>
           </xsl:when>
           <xsl:otherwise>
-            <xsl:value-of select="datafield[tag='021A']/subfield[code='a']/content" />
+            <xsl:value-of select="pica:subfield[@code='a']/text()"/>
+            <xsl:if test="pica:subfield[@code='d']">
+              <xsl:text>: </xsl:text>
+              <xsl:value-of select="pica:subfield[@code='d']/text()"/>
+            </xsl:if>
           </xsl:otherwise>
         </xsl:choose>
-      </xsl:variable>
-    
-      <xsl:for-each select="datafield[tag='021A']">
-        <dc>
-          <title>
-              <xsl:value-of select="$mainTitle"/><xsl:if test="subfield[code='d']">: <xsl:value-of select="subfield[code='d']/content"/></xsl:if>
-          </title>
-        </dc>
-      </xsl:for-each>
+      </title>
+    </dc>
+  </xsl:template>
+      
       
-      <xsl:for-each select="datafield[tag='031A']">
+  <xsl:template match="pica:datafield[@tag='031A']">
         <dc>
           <source>
-            <volume>
-              <xsl:value-of select="subfield[code='d']/content"/>
-            </volume>
-            <pageinfo>
-              <xsl:value-of select="subfield[code='h']/content"/>
-            </pageinfo>
+            <xsl:if test="pica:subfield[@code='d']/text()">
+              <volume>
+                <xsl:value-of select="pica:subfield[@code='d']/text()"/>
+              </volume>
+            </xsl:if>
+            <xsl:if test="pica:subfield[@code='h']/text()">
+              <pageinfo>
+                <xsl:value-of select="pica:subfield[@code='h']/text()"/>
+              </pageinfo>
+            </xsl:if>
           </source>
-          <date>
-            <issued>
-              <xsl:value-of select="subfield[code='j']/content"/>
-            </issued>
-          </date>
-        </dc>
-      </xsl:for-each>
-      
-      <xsl:for-each select="datafield[tag='028A']">
-        <dc>
-          <contributor>
-            <author>
-              <xsl:value-of select="subfield[code='a']/content"/>, <xsl:value-of select="subfield[code='d']/content"/>
-            </author>
-          </contributor>
+          <xsl:if test="pica:subfield[@code='j']/text()">
+              <date>
+                <issued>
+                  <xsl:value-of select="pica:subfield[@code='j']/text()"/>
+                </issued>
+              </date>
+            </xsl:if>
         </dc>
-      </xsl:for-each>
-      
-      <xsl:for-each select="datafield[tag='028C']">
+      </xsl:template>
+
+  <xsl:template match="pica:datafield[@tag='028A']">
         <dc>
           <contributor>
             <author>
-              <xsl:value-of select="subfield[code='a']/content"/>, <xsl:value-of select="subfield[code='d']/content"/>
+              <xsl:value-of select="pica:subfield[@code='a']/text()"/>, <xsl:value-of select="pica:subfield[@code='d']/text()"/>
             </author>
           </contributor>
         </dc>
-      </xsl:for-each>
-      
-      <xsl:for-each select="datafield[tag='009P']">
-        <dc>
-          <identifier>
-            <url>
-              <xsl:value-of select="subfield[code='a']/content"/>
-            </url>
-          </identifier>
-        </dc>
-      </xsl:for-each>
-    </publication>
+    </xsl:template>
+  <xsl:template match="pica:datafield[@tag='027D']">
+    <dc>
+      <source>
+        <journal>
+          <xsl:value-of select="pica:subfield[@code='a']/text()"/>
+        </journal>
+      </source>
+    </dc>
   </xsl:template>
+  <xsl:template match="pica:datafield[@tag='028C']">
+      <dc>
+        <contributor>
+          <author>
+            <xsl:value-of select="pica:subfield[@code='a']/text()"/>, <xsl:value-of select="pica:subfield[@code='d']/text()"/>
+          </author>
+        </contributor>
+      </dc>
+    </xsl:template>
+  <xsl:template match="pica:datafield[@tag='009P']">
+    <dc>
+      <identifier>
+        <url>
+          <xsl:value-of select="pica:subfield[@code='a']/text()"/>
+        </url>
+      </identifier>
+    </dc>
+  </xsl:template>
+      
+  
 
 </xsl:stylesheet>
\ No newline at end of file