utilities for cloning and manipulating JabaWS parameter objects.

diff --git a/src/jalview/ws/jws2/ParameterUtils.java b/src/jalview/ws/jws2/ParameterUtils.java
new file mode 100644 (file)
index 0000000..00878fb
--- /dev/null
+++ b/src/jalview/ws/jws2/ParameterUtils.java
@@ -0,0 +1,79 @@
+package jalview.ws.jws2;
+
+import java.util.HashSet;
+import java.util.List;
+
+import compbio.metadata.*;
+public class ParameterUtils
+{
+
+  public static Option copyOption(Option option)
+  {
+    Option copy = new Option(option.getName(), option.getDescription());
+    setOptionFrom(copy, option);
+    return copy;
+  }
+  public static void setOptionFrom(Option copy, Option option)
+  {
+    copy.setName(option.getName());
+    copy.setDescription(option.getDescription());
+    copy.setFurtherDetails(option.getFurtherDetails());
+    copy.setRequired(option.isRequired());
+    List<String> names = option.getOptionNames();
+    if (names!=null){
+      if (names.size()==1)
+      {
+        HashSet<String> st = new HashSet();
+        st.add(names.get(0));
+        copy.setOptionNames(st);
+      } else {
+      copy.addOptionNames(names.toArray(new String[]{}));
+      }
+    }
+    try {
+      if (option.getDefaultValue()!=null)
+      {
+        copy.setDefaultValue(option.getDefaultValue());
+      }
+    } catch (Exception ex)
+    {
+      ex.printStackTrace();
+    }
+  }
+
+  public static ValueConstrain copyValueConstrain(ValueConstrain vc)
+  {
+    try {ValueConstrain copy = new ValueConstrain();
+    if (vc.getMax()!=null) {
+      copy.setMax(vc.getMax().toString());
+    }
+    if (vc.getMin()!=null) {
+      copy.setMin(vc.getMin().toString());
+    }
+    if (vc.getType()!=null) {
+      copy.setType(vc.getType());
+    }
+    return copy;
+    }
+    catch (Exception e)
+    {
+      e.printStackTrace();
+      throw new Error("Implementation error: could not copy ValueConstrain!");
+    }
+  }
+  public static Parameter copyParameter(Parameter parameter)
+  {
+    Parameter copy = new Parameter(parameter.getName(), parameter.getDescription());
+    if (parameter.getValidValue()!=null) {
+      copy.setValidValue(copyValueConstrain(parameter.getValidValue()));
+    }
+    List<String> pv = parameter.getPossibleValues();
+    if (pv!=null)
+    {
+      copy.addPossibleValues(pv.toArray(new String[]{}));
+    }
+    setOptionFrom(copy, parameter);
+    return copy;
+  }
+
+}