X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fio%2FFileFormatI.java;h=0593d1e3613a78c7ca20b222c3d9a003d476740d;hb=92d5aeaf6d48b15a8122060f7dd32f16d2f552dc;hp=c9d56ae4c0e030a3e9911908278693f7a274225b;hpb=8dd4255a671e95df3fc6d6bc4d5d6b172f682c5d;p=jalview.git

diff --git a/src/jalview/io/FileFormatI.java b/src/jalview/io/FileFormatI.java
index c9d56ae..0593d1e 100644
--- a/src/jalview/io/FileFormatI.java
+++ b/src/jalview/io/FileFormatI.java
@@ -1,5 +1,7 @@
 package jalview.io;
 
+import jalview.datamodel.AlignmentI;
+
 import java.io.IOException;
 
 public interface FileFormatI
@@ -8,12 +10,54 @@ public interface FileFormatI
   AlignmentFileI getAlignmentFile(String inFile, DataSourceType sourceType)
           throws IOException;
 
+  // TODO can we get rid of one of these methods?
   AlignmentFileI getAlignmentFile(FileParse source) throws IOException;
 
+  AlignmentFileI getAlignmentFile(AlignmentI al);
+
   AlignmentFileI getAlignmentFile();
 
   boolean isComplexAlignFile();
 
-  String getShortDescription();
-
+  /**
+   * Returns a comma-separated list of file extensions associated with the
+   * format
+   * 
+   * @return
+   */
+  String getExtensions();
+
+  /**
+   * Answers true if the format is one that Jalview can read. This implies that
+   * the format provides implementations for getAlignmentFile(FileParse) and
+   * getAlignmentFile(String, DataSourceType) which parse the data source for
+   * sequence data.
+   * 
+   * @return
+   */
+  boolean isReadable();
+
+  /**
+   * Answers true if the format is one that Jalview can write. This implies that
+   * the object returned by getAlignmentFile provides an implementation of the
+   * print() method.
+   * 
+   * @return
+   */
+  boolean isWritable();
+
+  /**
+   * Answers true if the format is one that Jalview can output as text, e.g. to
+   * a text box
+   * 
+   * @return
+   */
+  boolean isTextFormat();
+
+  /**
+   * Answers true if the file format is one that provides a 3D structure
+   * 
+   * @return
+   */
+  boolean isStructureFile();
 }