Export DocBook to file system.
[gpl/argeo-suite.git] / publishing / org.argeo.publishing.ui / src / org / argeo / docbook / DbkUtils.java
index 8426a80b7f32ba0dae0d91e54963a172d01f8209..19f7cd40fd905dd46c543785e3d292cb655caf34 100644 (file)
@@ -1,20 +1,30 @@
 package org.argeo.docbook;
 
-import static org.argeo.docbook.DocBookType.para;
+import static org.argeo.docbook.DbkType.para;
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.nio.file.Files;
+import java.nio.file.Path;
 
 import javax.jcr.Node;
 import javax.jcr.NodeIterator;
 import javax.jcr.RepositoryException;
 
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
 import org.argeo.entity.EntityType;
 import org.argeo.jcr.Jcr;
 import org.argeo.jcr.JcrException;
+import org.argeo.jcr.JcrUtils;
 import org.argeo.jcr.JcrxApi;
 
 /** Utilities around DocBook. */
 public class DbkUtils {
+       private final static Log log = LogFactory.getLog(DbkUtils.class);
+
        /** Get or add a DocBook element. */
-       public static Node getOrAddDbk(Node parent, DocBookType child) {
+       public static Node getOrAddDbk(Node parent, DbkType child) {
                try {
                        if (!parent.hasNode(child.get())) {
                                return addDbk(parent, child);
@@ -27,7 +37,7 @@ public class DbkUtils {
        }
 
        /** Add a DocBook element to this node. */
-       public static Node addDbk(Node parent, DocBookType child) {
+       public static Node addDbk(Node parent, DbkType child) {
                try {
                        Node node = parent.addNode(child.get(), child.get());
                        return node;
@@ -37,24 +47,24 @@ public class DbkUtils {
        }
 
        /** Whether this DocBook element is of this type. */
-       public static boolean isDbk(Node node, DocBookType type) {
+       public static boolean isDbk(Node node, DbkType type) {
                return Jcr.getName(node).equals(type.get());
        }
 
        public static String getTitle(Node node) {
-               return JcrxApi.getXmlValue(node, DocBookType.title.get());
+               return JcrxApi.getXmlValue(node, DbkType.title.get());
        }
 
        public static void setTitle(Node node, String txt) {
-               Node titleNode = getOrAddDbk(node, DocBookType.title);
+               Node titleNode = getOrAddDbk(node, DbkType.title);
                JcrxApi.setXmlValue(node, titleNode, txt);
        }
 
        public static Node getMetadata(Node infoContainer) {
                try {
-                       if (!infoContainer.hasNode(DocBookType.info.get()))
+                       if (!infoContainer.hasNode(DbkType.info.get()))
                                return null;
-                       Node info = infoContainer.getNode(DocBookType.info.get());
+                       Node info = infoContainer.getNode(DbkType.info.get());
                        if (!info.hasNode(EntityType.local.get()))
                                return null;
                        return info.getNode(EntityType.local.get());
@@ -68,7 +78,7 @@ public class DbkUtils {
                        NodeIterator baseSections = parent.getNodes();
                        while (baseSections.hasNext()) {
                                Node n = baseSections.nextNode();
-                               String r = Jcr.get(n, DocBookNames.DBK_ROLE);
+                               String r = Jcr.get(n, DbkAttr.role.name());
                                if (r != null && r.equals(role))
                                        return n;
                        }
@@ -88,20 +98,20 @@ public class DbkUtils {
                try {
 
                        // FIXME make it more robust
-                       if (DocBookType.imagedata.get().equals(sibling.getName())) {
+                       if (DbkType.imagedata.get().equals(sibling.getName())) {
                                sibling = sibling.getParent().getParent();
                        }
 
                        Node parent = sibling.getParent();
-                       Node mediaNode = addDbk(parent, DocBookType.mediaobject);
+                       Node mediaNode = addDbk(parent, DbkType.mediaobject);
                        // TODO optimise?
                        parent.orderBefore(mediaNode.getName() + "[" + mediaNode.getIndex() + "]",
                                        sibling.getName() + "[" + sibling.getIndex() + "]");
                        parent.orderBefore(sibling.getName() + "[" + sibling.getIndex() + "]",
                                        mediaNode.getName() + "[" + mediaNode.getIndex() + "]");
 
-                       Node imageNode = addDbk(mediaNode, DocBookType.imageobject);
-                       Node imageDataNode = addDbk(imageNode, DocBookType.imagedata);
+                       Node imageNode = addDbk(mediaNode, DbkType.imageobject);
+                       Node imageDataNode = addDbk(imageNode, DbkType.imagedata);
 //                     Node infoNode = imageNode.addNode(DocBookTypes.INFO, DocBookTypes.INFO);
 //                     Node fileNode = JcrUtils.copyBytesAsFile(mediaFolder, EntityType.box.get(), new byte[0]);
 //                     fileNode.addMixin(EntityType.box.get());
@@ -119,7 +129,35 @@ public class DbkUtils {
                }
        }
 
+       public static void exportXml(Node node, OutputStream out) throws IOException {
+               try {
+                       node.getSession().exportDocumentView(node.getPath(), out, false, false);
+               } catch (RepositoryException e) {
+                       throw new JcrException("Cannot export " + node + " to XML", e);
+               }
+       }
+
+       public static void exportToFs(Node baseNode, DbkType type, Path directory) {
+               String fileName = Jcr.getName(baseNode) + ".dbk.xml";
+               Path filePath = directory.resolve(fileName);
+               Node docBookNode = Jcr.getNode(baseNode, type.get());
+               if (docBookNode == null)
+                       throw new IllegalArgumentException("No " + type.get() + " under " + baseNode);
+               try {
+                       Files.createDirectories(directory);
+                       try (OutputStream out = Files.newOutputStream(filePath)) {
+                               exportXml(docBookNode, out);
+                       }
+                       JcrUtils.copyFilesToFs(baseNode, directory, true);
+                       if (log.isDebugEnabled())
+                               log.debug("DocBook " + baseNode + " exported to " + filePath.toAbsolutePath());
+               } catch (IOException e) {
+                       throw new RuntimeException(e);
+               }
+       }
+
        /** Singleton. */
        private DbkUtils() {
        }
+
 }