JAL-3858 report errors when trying to parse JSON to extract PAE and raise a warning...

[jalview.git] / src / jalview / gui / StructureChooser.java

diff --git a/src/jalview/gui/StructureChooser.java b/src/jalview/gui/StructureChooser.java
index 3fce931..03f9269 100644 (file)
--- a/src/jalview/gui/StructureChooser.java
+++ b/src/jalview/gui/StructureChooser.java
@@ -64,6 +64,7 @@ import jalview.gui.structurechooser.PDBStructureChooserQuerySource;
 import jalview.gui.structurechooser.StructureChooserQuerySource;
 import jalview.gui.structurechooser.ThreeDBStructureChooserQuerySource;
 import jalview.io.DataSourceType;
+import jalview.io.FileFormatException;
 import jalview.io.JalviewFileChooser;
 import jalview.io.JalviewFileView;
 import jalview.jbgui.FilterOption;
@@ -76,6 +77,8 @@ import jalview.util.Platform;
 import jalview.util.StringUtils;
 import jalview.ws.DBRefFetcher;
 import jalview.ws.DBRefFetcher.FetchFinishedListenerI;
+import jalview.ws.datamodel.alphafold.PAEContactMatrix;
+import jalview.ws.dbsources.EBIAlfaFold;
 import jalview.ws.seqfetcher.DbSourceProxy;
 import jalview.ws.sifts.SiftsSettings;
 
@@ -699,7 +702,7 @@ public class StructureChooser extends GStructureChooser
   }
 
   /**
-   * Handles action event for btn_pdbFromFile
+   * Handles action event for btn_paeMatrixFile
    */
   @Override
   protected void paeMatrixFile_actionPerformed()
@@ -728,10 +731,24 @@ public class StructureChooser extends GStructureChooser
             "label.load_pae_matrix_file_associate_with_structure",
             pdbFile.getName()));
 
+    // TODO convert to Callable/Promise
     int value = chooser.showOpenDialog(null);
     if (value == JalviewFileChooser.APPROVE_OPTION)
     {
-      localPdbPaeMatrixFileName = chooser.getSelectedFile().getPath();
+      String fileName = chooser.getSelectedFile().getPath();
+      try {
+        PAEContactMatrix.validateContactMatrixFile(fileName);
+      } catch (Exception thr)
+      {
+        JvOptionPane.showInternalMessageDialog(this, MessageManager
+                .formatMessage("label.couldnt_load_file", new Object[]
+                { fileName})+"<br>"+thr.getLocalizedMessage(),
+                MessageManager.getString("label.error_loading_file"),
+                JvOptionPane.WARNING_MESSAGE);
+        Console.error("Couldn't import "+fileName+" as a PAE matrix",thr);
+        return;
+      }
+      localPdbPaeMatrixFileName = fileName;
       Cache.setProperty("LAST_DIRECTORY", localPdbPaeMatrixFileName);
     }
     validateAssociationFromFile();