X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=forester%2Fjava%2Fsrc%2Forg%2Fforester%2Futil%2FForesterUtil.java;h=dddbf28842b2130123b506aad00f924a2e3ed962;hb=5bae4861f59350b3158d6ebd5034ea7698d81b98;hp=c254c8bf3414b830f53e8e5fc6d059dd4952c54f;hpb=03e7c823c2f9f2b9766bf486a164a8eec69d5214;p=jalview.git

diff --git a/forester/java/src/org/forester/util/ForesterUtil.java b/forester/java/src/org/forester/util/ForesterUtil.java
index c254c8b..dddbf28 100644
--- a/forester/java/src/org/forester/util/ForesterUtil.java
+++ b/forester/java/src/org/forester/util/ForesterUtil.java
@@ -621,7 +621,7 @@ public final class ForesterUtil {
     final public static boolean isEqual( final double a, final double b ) {
         return ( ( Math.abs( a - b ) ) < ZERO_DIFF );
     }
-    
+
     final public static boolean isEqual( final double a, final double b, final double tolerance ) {
         return ( ( Math.abs( a - b ) ) < tolerance );
     }
@@ -1664,9 +1664,9 @@ public final class ForesterUtil {
     private ForesterUtil() {
     }
 
-    public static List<String> spliIntoPrefixes(final String prefix, final String separator ) {
+    public static List<String> spliIntoPrefixes( final String prefix, final String separator ) {
         final String[] a = prefix.split( Pattern.quote( separator ) );
-        final List<String> l= new ArrayList<String>();
+        final List<String> l = new ArrayList<String>();
         for( int i = 0; i < a.length; ++i ) {
             final StringBuilder sb = new StringBuilder();
             for( int j = 0; j <= i; ++j ) {
@@ -1675,9 +1675,15 @@ public final class ForesterUtil {
                     sb.append( separator );
                 }
             }
-          //  System.out.println( sb.toString() );
-            l.add( sb.toString());
+            //  System.out.println( sb.toString() );
+            l.add( sb.toString() );
         }
         return l;
     }
+
+    //
+    public static boolean isLooksLikeFasta( final File file ) throws IOException {
+        final String first_line = ForesterUtil.getFirstLine( file ).trim().toLowerCase();
+        return ( ( !isEmptyTrimmed( first_line ) && first_line.trim().startsWith( ">" ) ) );
+    }
 }