X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fio%2FJalviewFileFilter.java;h=10dc9ea939b2d22d600be98037bfb66028acb005;hb=c3eb495269d836f7a8a2addf402425acbcc53c7b;hp=85ac084ad9d5068aee5c65199197d1154f7241e2;hpb=e67588afd890cb74a529a4f69c076456725fead7;p=jalview.git
diff --git a/src/jalview/io/JalviewFileFilter.java b/src/jalview/io/JalviewFileFilter.java
index 85ac084..10dc9ea 100755
--- a/src/jalview/io/JalviewFileFilter.java
+++ b/src/jalview/io/JalviewFileFilter.java
@@ -1,118 +1,215 @@
-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.
+ * The Jalview Authors are detailed in the 'AUTHORS' file.
+ */
+package jalview.io;
+
+import java.util.Locale;
+
+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 filters = null;
+
+ private String description = "no description";
+
+ private String fullDescription = "full description";
+
+ private boolean useExtensionsInDescription = true;
+
+ private JalviewFileChooser parentJFC = null;
+
+ 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;
+ }
+
+ }
+
+ if (parentJFC != null && parentJFC.includeBackupFiles)
+ {
+ Iterator it = filters.keySet().iterator();
+ EXTENSION: while (it.hasNext())
+ {
+ String ext = it.next();
+
+ // quick negative test
+ if (!f.getName().contains(ext))
+ {
+ continue EXTENSION;
+ }
+
+ BackupFilenameParts bfp = BackupFilenameParts
+ .currentBackupFilenameParts(f.getName(), ext, true);
+ if (bfp.isBackupFile())
+ {
+ 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(Locale.ROOT);
+ }
+
+ ;
+ }
+
+ return "";
+ }
+
+ public void addExtension(String extension)
+ {
+ if (filters == null)
+ {
+ filters = new LinkedHashMap<>(5);
+ }
+
+ filters.put(extension.toLowerCase(Locale.ROOT), 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 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;
+ }
+
+ protected void setParentJFC(JalviewFileChooser p)
+ {
+ this.parentJFC = p;
+ }
+
+}