src/org/cacert/gigi/output/template/ForeachStatement.java

   1 package org.cacert.gigi.output.template;
   2
   3 import java.io.PrintWriter;
   4 import java.util.HashMap;
   5 import java.util.Map;
   6
   7 import org.cacert.gigi.Language;
   8 import org.cacert.gigi.output.Outputable;
   9
  10 final class ForeachStatement implements Outputable {
  11         private final String variable;
  12         private final TemplateBlock body;
  13
  14         ForeachStatement(String variable, TemplateBlock body) {
  15                 this.variable = variable;
  16                 this.body = body;
  17         }
  18
  19         @Override
  20         public void output(PrintWriter out, Language l, Map<String, Object> vars) {
  21                 Object o = vars.get(variable);
  22                 if (o instanceof IterableDataset) {
  23                         IterableDataset id = (IterableDataset) o;
  24                         Map<String, Object> subcontext = new HashMap<String, Object>(vars);
  25                         while (id.next(subcontext)) {
  26                                 body.output(out, l, subcontext);
  27                         }
  28                 }
  29         }
  30 }