Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.export.core / src / org / simantics / export / core / manager / TransferableGraphWriter.java

diff --git a/bundles/org.simantics.export.core/src/org/simantics/export/core/manager/TransferableGraphWriter.java b/bundles/org.simantics.export.core/src/org/simantics/export/core/manager/TransferableGraphWriter.java
new file mode 100644 (file)
index 0000000..209b455
--- /dev/null
+++ b/bundles/org.simantics.export.core/src/org/simantics/export/core/manager/TransferableGraphWriter.java
@@ -0,0 +1,79 @@
+package org.simantics.export.core.manager;\r
+\r
+import java.io.File;\r
+import java.io.IOException;\r
+import java.util.TreeMap;\r
+\r
+import org.simantics.databoard.binding.Binding;\r
+import org.simantics.databoard.binding.mutable.Variant;\r
+import org.simantics.databoard.container.DataContainer;\r
+import org.simantics.databoard.container.DataContainers;\r
+import org.simantics.db.RequestProcessor;\r
+import org.simantics.export.core.error.ExportException;\r
+import org.simantics.graph.db.TransferableGraphSource;\r
+import org.simantics.graph.db.TransferableGraphs;\r
+\r
+public class TransferableGraphWriter {\r
+\r
+       public final File file;         \r
+       public final String format;\r
+       public final int version;\r
+       \r
+       public TransferableGraphWriter(File file, String format, int version) {\r
+               this.file = file;\r
+               this.format = format;\r
+               this.version = version;\r
+       }\r
+       \r
+       /**\r
+        * Write TG to the file that is associated with this writer.\r
+        * \r
+        * @param tgBinding\r
+        * @param tg\r
+        * @throws ExportException\r
+        */\r
+       public void writeFile(Binding tgBinding, Object tg) throws ExportException {\r
+        try {\r
+               Variant variant = new Variant(tgBinding, tg);\r
+               DataContainer dataContainer = new DataContainer(format, version, variant);\r
+                       DataContainers.writeFile(file, dataContainer);\r
+               } catch (IOException e) {\r
+                       throw new ExportException( "I/O Error occured: "+e.getMessage() );\r
+               }                               \r
+       }\r
+       \r
+       /**\r
+        * Write from TG Source to the file that is associated with this writer.\r
+        *  \r
+        * @param session request processor to be used for reading the source\r
+        * @param source TG source\r
+        * @throws ExportException\r
+        */\r
+       public void writeFile(RequestProcessor session, TransferableGraphSource source) throws ExportException\r
+       {\r
+               writeFile(session, source, new TreeMap<String, Variant>());\r
+       }\r
+\r
+       /**\r
+        * Write from TG Source to the file that is associated with this writer.\r
+        *  \r
+        * @param session request processor to be used for reading the source\r
+        * @param source TG source\r
+        * @throws ExportException\r
+        */\r
+       public void writeFile(RequestProcessor session, TransferableGraphSource source, TreeMap<String,Variant> metadata) throws ExportException\r
+       {\r
+               try {\r
+                       TransferableGraphs.writeTransferableGraph(\r
+                                       session, \r
+                                       format, \r
+                                       version, \r
+                                       metadata, \r
+                                       source, \r
+                                       file);\r
+               } catch (Exception e) {\r
+                       throw new ExportException(e);\r
+               }\r
+       }\r
+\r
+}\r