X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fio%2FJalviewFileFilter.java;h=21f5b0fe36fddd092fc5cbed9af6993ae04fdae8;hb=ede7927272c6b59e01466d3120e834b26e021003;hp=85ac084ad9d5068aee5c65199197d1154f7241e2;hpb=e67588afd890cb74a529a4f69c076456725fead7;p=jalview.git

diff --git a/src/jalview/io/JalviewFileFilter.java b/src/jalview/io/JalviewFileFilter.java
index 85ac084..21f5b0f 100755
--- a/src/jalview/io/JalviewFileFilter.java
+++ b/src/jalview/io/JalviewFileFilter.java
@@ -1,118 +1,181 @@
-package jalview.io;
-
-import javax.swing.filechooser.*;
-import java.io.File;
-import java.util.*;
-
-public class JalviewFileFilter extends FileFilter
-{
-      private static String TYPE_UNKNOWN = "Type Unknown";
-      private static String HIDDEN_FILE = "Hidden File";
-      public static Hashtable suffixHash = new Hashtable();
-
-      private Hashtable filters = null;
-      private String description = "no description";
-      private String fullDescription = "full description";
-      private boolean useExtensionsInDescription = true;
-
-      public JalviewFileFilter() {
-          this.filters = new Hashtable();
-      }
-
-      public JalviewFileFilter(String extension) {
-          this(extension,null);
-      }
-
-      public JalviewFileFilter(String extension, String description) {
-          this();
-          if(extension!=null) addExtension(extension);
-           if(description!=null) setDescription(description);
-      }
-
-      public JalviewFileFilter(String[] filts) {
-          this(filts, null);
-      }
-
-      public JalviewFileFilter(String[] filts, String description) {
-          this();
-          for (int i = 0; i < filts.length; i++) {
-              // add filters one by one
-              addExtension(filts[i]);
-          }
-           if(description!=null) setDescription(description);
-      }
-
-      // takes account of the fact that database is a directory
-      public boolean accept(File f) {
-          if(f != null) {
-              String extension = getExtension(f);
-              if(f.isDirectory()) {
-                 if(extension == null || extension.equals("")) {
-                    return true;
-                 } else {
-                    if(filters.get(getExtension(f)) != null) {
-                       return true;
-                    }
-                 }
-              }
-              if(extension != null && filters.get(getExtension(f)) != null) {
-                  return true;
-              }
-          }
-          return false;
-      }
-
-       public String getExtension(File f) {
-          if(f != null) {
-              String filename = f.getName();
-              int i = filename.lastIndexOf('.');
-              if(i>0 && i<filename.length()-1) {
-                  return filename.substring(i+1).toLowerCase();
-              };
-          }
-          return "";
-      }
-
-      public void addExtension(String extension) {
-          if(filters == null) {
-              filters = new Hashtable(5);
-          }
-          filters.put(extension.toLowerCase(), this);
-          fullDescription = null;
-      }
-
-
-      public String getDescription() {
-          if(fullDescription == null) {
-              if(description == null || isExtensionListInDescription()) {
-                   fullDescription = description==null ? "(" : description + " (";
-                  // build the description from the extension list
-                  Enumeration extensions = filters.keys();
-                  if(extensions != null) {
-                      fullDescription += "." + (String) extensions.nextElement();
-                      while (extensions.hasMoreElements()) {
-                          fullDescription += ", " + (String) extensions.nextElement();
-                      }
-                  }
-                  fullDescription += ")";
-              } else {
-                  fullDescription = description;
-              }
-          }
-          return fullDescription;
-      }
-
-      public void setDescription(String description) {
-          this.description = description;
-          fullDescription = null;
-      }
-
-      public void setExtensionListInDescription(boolean b) {
-          useExtensionsInDescription = b;
-          fullDescription = null;
-      }
-
-      public boolean isExtensionListInDescription() {
-          return useExtensionsInDescription;
-      }
-  }
+/*
+ * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
+ * Copyright (C) $$Year-Rel$$ The Jalview Authors
+ * 
+ * This file is part of Jalview.
+ * 
+ * Jalview is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License 
+ * as published by the Free Software Foundation, either version 3
+ * of the License, or (at your option) any later version.
+ *  
+ * Jalview is distributed in the hope that it will be useful, but 
+ * WITHOUT ANY WARRANTY; without even the implied warranty 
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
+ * PURPOSE.  See the GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with Jalview.  If not, see <http://www.gnu.org/licenses/>.
+ * The Jalview Authors are detailed in the 'AUTHORS' file.
+ */
+package jalview.io;
+
+import java.io.File;
+import java.util.Hashtable;
+import java.util.Iterator;
+import java.util.LinkedHashMap;
+import java.util.Map;
+import java.util.StringTokenizer;
+
+import javax.swing.filechooser.FileFilter;
+
+public class JalviewFileFilter extends FileFilter
+{
+  public static Hashtable suffixHash = new Hashtable();
+
+  private Map<String, JalviewFileFilter> filters = null;
+
+  private String description = "no description";
+
+  private String fullDescription = "full description";
+
+  private boolean useExtensionsInDescription = true;
+
+  public JalviewFileFilter(String extension, String description)
+  {
+    StringTokenizer st = new StringTokenizer(extension, ",");
+
+    while (st.hasMoreElements())
+    {
+      addExtension(st.nextToken().trim());
+    }
+
+    setDescription(description);
+  }
+
+  public JalviewFileFilter(String[] filts)
+  {
+    this(filts, null);
+  }
+
+  public JalviewFileFilter(String[] filts, String description)
+  {
+    for (int i = 0; i < filts.length; i++)
+    {
+      // add filters one by one
+      addExtension(filts[i]);
+    }
+
+    if (description != null)
+    {
+      setDescription(description);
+    }
+  }
+
+  public String getAcceptableExtension()
+  {
+    return filters.keySet().iterator().next().toString();
+  }
+
+  // takes account of the fact that database is a directory
+  @Override
+  public boolean accept(File f)
+  {
+    if (f != null)
+    {
+      String extension = getExtension(f);
+
+      if (f.isDirectory())
+      {
+        return true;
+      }
+
+      if ((extension != null) && (filters.get(extension) != null))
+      {
+        return true;
+      }
+    }
+
+    return false;
+  }
+
+  public String getExtension(File f)
+  {
+    if (f != null)
+    {
+      String filename = f.getName();
+      int i = filename.lastIndexOf('.');
+
+      if ((i > 0) && (i < (filename.length() - 1)))
+      {
+        return filename.substring(i + 1).toLowerCase();
+      }
+
+      ;
+    }
+
+    return "";
+  }
+
+  public void addExtension(String extension)
+  {
+    if (filters == null)
+    {
+      filters = new LinkedHashMap<>(5);
+    }
+
+    filters.put(extension.toLowerCase(), this);
+    fullDescription = null;
+  }
+
+  @Override
+  public String getDescription()
+  {
+    if (fullDescription == null)
+    {
+      if ((description == null) || isExtensionListInDescription())
+      {
+        fullDescription = (description == null) ? "("
+                : (description + " (");
+
+        // build the description from the extension list
+        Iterator<String> extensions = filters.keySet().iterator();
+
+        if (extensions != null)
+        {
+          fullDescription += ("." + extensions.next());
+
+          while (extensions.hasNext())
+          {
+            fullDescription += (", " + extensions.next());
+          }
+        }
+
+        fullDescription += ")";
+      }
+      else
+      {
+        fullDescription = description;
+      }
+    }
+
+    return fullDescription;
+  }
+
+  public void setDescription(String description)
+  {
+    this.description = description;
+    fullDescription = null;
+  }
+
+  public void setExtensionListInDescription(boolean b)
+  {
+    useExtensionsInDescription = b;
+    fullDescription = null;
+  }
+
+  public boolean isExtensionListInDescription()
+  {
+    return useExtensionsInDescription;
+  }
+}