Das client files

[jalview.git] / src / org / biojava / dasobert / das2 / DasSourceConverter.java

diff --git a/src/org/biojava/dasobert/das2/DasSourceConverter.java b/src/org/biojava/dasobert/das2/DasSourceConverter.java
new file mode 100755 (executable)
index 0000000..4fb294a
--- /dev/null
+++ b/src/org/biojava/dasobert/das2/DasSourceConverter.java
@@ -0,0 +1,75 @@
+/*
+ *                  BioJava development code
+ *
+ * This code may be freely distributed and modified under the
+ * terms of the GNU Lesser General Public Licence.  This should
+ * be distributed with the code.  If you do not have a copy,
+ * see:
+ *
+ *      http://www.gnu.org/copyleft/lesser.html
+ *
+ * Copyright for this code is held jointly by the individual
+ * authors.  These should be listed in @author doc comments.
+ *
+ * For more information on the BioJava project and its aims,
+ * or to join the biojava-l mailing list, visit the home page
+ * at:
+ *
+ *      http://www.biojava.org/
+ *
+ * Created on Mar 23, 2006
+ *
+ */
+package org.biojava.dasobert.das2;
+
+import org.biojava.dasobert.dasregistry.Das1Source;
+
+public class DasSourceConverter {
+
+    public DasSourceConverter() {
+        super();
+
+    }
+
+
+    /** convert a das2 source to a das 1 source.
+     * This only will work if is passes the Das2Source.isDas1Source() test
+     * i.e. this is really a das1 server there
+     *
+     * @return
+     */
+    public static Das1Source toDas1Source (Das2Source das2source) throws Exception{
+        if ( ! das2source.hasDas1Capabilities())
+            throw new Exception("this das source does not have das1 capabilitites");
+
+        Das1Source ds = new Das1Source();
+        ds.setAdminemail(das2source.getAdminemail());
+        ds.setDescription(das2source.getDescription());
+        ds.setHelperurl(das2source.getHelperurl());
+        ds.setRegisterDate(das2source.getRegisterDate());
+        ds.setLeaseDate(das2source.getLeaseDate());
+        ds.setLabels(das2source.getLabels());
+        ds.setCoordinateSystem(das2source.getCoordinateSystem());
+        ds.setNickname(das2source.getNickname());
+        ds.setId(das2source.getId());
+
+        // convert the capabilitites to das1 capabiltities and get the url
+        Das2Capability[] caps = das2source.getDas2Capabilities();
+        String[] das1capabilitites = new String[caps.length];
+        int DASPREFIXLENGTH = 4;
+        for ( int i = 0 ; i< caps.length;i++){
+            Das2Capability cap = caps[i];
+
+            String c = cap.getCapability();
+            das1capabilitites[i] = c.substring(4,c.length());
+            String query_uri = cap.getQueryUri();
+
+            String url = query_uri.substring(0,(query_uri.length() - c.length() + DASPREFIXLENGTH));
+            ds.setUrl(url);
+        }
+        ds.setCapabilities(das1capabilitites);
+
+        return ds ;
+    }
+
+}