X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fio%2FFileFormatI.java;h=e6f390dd58f7696f607c42f67eacb1689bbffb5e;hb=40fa02b9a58e06d980e9e28df407a9ba703574f5;hp=082d9f11efe94a372370b426426de0f94b6a7d17;hpb=4815037f13748676b04b91dc761b73cf6f2d6ecd;p=jalview.git

diff --git a/src/jalview/io/FileFormatI.java b/src/jalview/io/FileFormatI.java
index 082d9f1..e6f390d 100644
--- a/src/jalview/io/FileFormatI.java
+++ b/src/jalview/io/FileFormatI.java
@@ -6,19 +6,19 @@ import java.io.IOException;
 
 public interface FileFormatI
 {
+  AlignmentFileReaderI getReader(FileParse source) throws IOException;
 
-  AlignmentFileI getAlignmentFile(String inFile, DataSourceType sourceType)
-          throws IOException;
-
-  AlignmentFileI getAlignmentFile(FileParse source) throws IOException;
-
-  AlignmentFileI getAlignmentFile(AlignmentI al);
-
-  AlignmentFileI getAlignmentFile();
+  AlignmentFileWriterI getWriter(AlignmentI al);
 
   boolean isComplexAlignFile();
 
   /**
+   * Answers the display name of the file format (as for example shown in menu
+   * options). This name should not be locale (language) dependent.
+   */
+  String getName();
+
+  /**
    * Returns a comma-separated list of file extensions associated with the
    * format
    * 
@@ -26,7 +26,38 @@ public interface FileFormatI
    */
   String getExtensions();
 
+  /**
+   * Answers true if the format is one that Jalview can read. This implies that
+   * the format provides an implementation for getReader which can parse a data
+   * source for sequence data. Readable formats are included in the options in
+   * the open file dialogue.
+   * 
+   * @return
+   */
   boolean isReadable();
 
+  /**
+   * Answers true if the format is one that Jalview can write. This implies that
+   * the object returned by getWriter provides an implementation of the print()
+   * method. Writable formats are included in the options in the Save As file
+   * dialogue, and the 'output to Textbox' option (if text format).
+   * 
+   * @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 3D structure data
+   * 
+   * @return
+   */
+  boolean isStructureFile();
 }