Support writing file as XML

diff --git a/org.argeo.cms/src/org/argeo/cms/acr/fs/FsContent.java b/org.argeo.cms/src/org/argeo/cms/acr/fs/FsContent.java
index 77c2f7a7585fe778834ec9735635b749905581d1..55ef6ec46d89e7f4dbc01ef0b6ac2352c8901cf9 100644 (file)
--- a/org.argeo.cms/src/org/argeo/cms/acr/fs/FsContent.java
+++ b/org.argeo.cms/src/org/argeo/cms/acr/fs/FsContent.java
@@ -24,6 +24,10 @@ import java.util.Set;
 import java.util.concurrent.CompletableFuture;
 
 import javax.xml.namespace.QName;
+import javax.xml.transform.Source;
+import javax.xml.transform.TransformerException;
+import javax.xml.transform.TransformerFactory;
+import javax.xml.transform.stream.StreamResult;
 
 import org.argeo.api.acr.Content;
 import org.argeo.api.acr.ContentName;
@@ -327,6 +331,7 @@ public class FsContent extends AbstractContent implements ProvidedContent {
        /*
         * READ / WRITE
         */
+       @SuppressWarnings("unchecked")
        public <A> CompletableFuture<A> write(Class<A> clss) {
                if (isContentClass(CrName.collection.qName())) {
                        throw new IllegalStateException("Cannot directly write to a collection");
@@ -341,7 +346,21 @@ public class FsContent extends AbstractContent implements ProvidedContent {
                                }
                        });
                        return (CompletableFuture<A>) res;
+               } else if (Source.class.isAssignableFrom(clss)) {
+                       CompletableFuture<Source> res = new CompletableFuture<Source>();
+                       res.thenAccept((source) -> {
+//                             Path targetPath = path.getParent().resolve(path.getFileName()+".xml");
+                               Path targetPath = path;
+                               try (OutputStream out = Files.newOutputStream(targetPath)) {
+                                       StreamResult result = new StreamResult(out);
+                                       TransformerFactory.newDefaultInstance().newTransformer().transform(source, result);
+                               } catch (IOException | TransformerException e) {
+                                       throw new RuntimeException("Cannot write to " + path, e);
+                               }
+                       });
+                       return (CompletableFuture<A>) res;
+               } else {
+                       return super.write(clss);
                }
-               return super.write(clss);
        }
 }