X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fio%2FAlignFile.java;h=2ad32f0787e97f9ea99e2ca342503440a2061880;hb=a8d30fa38a5d3e9cccf08aa446ca8ab00469bfd4;hp=3c7e0b263e4ff805cf5b384c4a4c5da7809e2652;hpb=8630b85f5394dfbc86a6c3c22ec17ffcc6ed1ea1;p=jalview.git

diff --git a/src/jalview/io/AlignFile.java b/src/jalview/io/AlignFile.java
index 3c7e0b2..2ad32f0 100755
--- a/src/jalview/io/AlignFile.java
+++ b/src/jalview/io/AlignFile.java
@@ -71,7 +71,17 @@ public abstract class AlignFile
 
     parse();
   }
-
+  /**
+   * Attempt to read from the position where some other parsing process left off.
+   * @param source
+   * @throws IOException
+   */
+  public AlignFile(FileParse source) throws IOException
+  {
+    super(source);
+    initData();
+    parse();
+  }
   /**
    * Return the seqs Vector
    */
@@ -129,12 +139,22 @@ public abstract class AlignFile
       }
     }
   }
+  /**
+   * Store a non-null key-value pair in a hashtable used to set alignment properties
+   * note: null keys will raise an error, null values will result in the key/value pair being silently ignored.
+   * @param key - non-null key object
+   * @param value - non-null value
+   */
   protected void setAlignmentProperty(Object key, Object value)
   {
     if (key==null)
     {
       throw new Error("Implementation error: Cannot have null alignment property key.");
     }
+    if (value==null)
+    {
+      return; // null properties are ignored.
+    }
     if (properties==null)
     {
       properties = new Hashtable();
@@ -223,5 +243,27 @@ public abstract class AlignFile
   {
     return seq.getDisplayId(jvSuffix);
   }
+  /**
+   * vector of String[] treeName, newickString pairs
+   */
+  Vector newickStrings=null;
+
+  protected void addNewickTree(String treeName, String newickString)
+  {
+    if (newickStrings == null)
+    {
+      newickStrings = new Vector();
+    }
+    newickStrings.addElement(new String[] { treeName, newickString});
+  }
+
+  protected int getTreeCount()
+  {
+    if (newickStrings==null)
+    {
+      return 0;
+    }
+    return newickStrings.size();
+  }
 
 }