Initial code drop of yang model driven configuration system

[controller.git] / opendaylight / config / yang-jmx-generator-plugin / src / main / java / org / opendaylight / controller / config / yangjmxgenerator / plugin / ftl / directives / ConstructorsDirective.java

diff --git a/opendaylight/config/yang-jmx-generator-plugin/src/main/java/org/opendaylight/controller/config/yangjmxgenerator/plugin/ftl/directives/ConstructorsDirective.java b/opendaylight/config/yang-jmx-generator-plugin/src/main/java/org/opendaylight/controller/config/yangjmxgenerator/plugin/ftl/directives/ConstructorsDirective.java
new file mode 100644 (file)
index 0000000..56b7286
--- /dev/null
+++ b/opendaylight/config/yang-jmx-generator-plugin/src/main/java/org/opendaylight/controller/config/yangjmxgenerator/plugin/ftl/directives/ConstructorsDirective.java
@@ -0,0 +1,76 @@
+/*
+ * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.controller.config.yangjmxgenerator.plugin.ftl.directives;
+
+import java.io.IOException;
+import java.io.Writer;
+import java.util.List;
+import java.util.Map;
+
+import org.opendaylight.controller.config.yangjmxgenerator.plugin.ftl.GeneralClassTemplate;
+import org.opendaylight.controller.config.yangjmxgenerator.plugin.ftl.model.Constructor;
+
+import com.google.common.collect.Lists;
+
+import freemarker.core.Environment;
+import freemarker.template.SimpleSequence;
+import freemarker.template.TemplateDirectiveBody;
+import freemarker.template.TemplateDirectiveModel;
+import freemarker.template.TemplateException;
+import freemarker.template.TemplateModel;
+
+/**
+ * Add annotations to freemarker template.
+ */
+public class ConstructorsDirective implements TemplateDirectiveModel {
+
+    private static final String OBJECT = "object";
+
+    @Override
+    public void execute(Environment env, Map params, TemplateModel[] loopVars,
+            TemplateDirectiveBody body) throws TemplateException, IOException {
+        Object object = params.get(OBJECT);
+        List<Constructor> constructors = Lists.newArrayList();
+
+        if (object != null) {
+            if (object instanceof SimpleSequence)
+                constructors = ((SimpleSequence) object).toList();
+            else if (object instanceof GeneralClassTemplate) {
+                constructors = ((GeneralClassTemplate) object)
+                        .getConstructors();
+            } else
+                throw new IllegalArgumentException(
+                        "Object must be a SimpleSequence or instance of "
+                                + GeneralClassTemplate.class + "but was "
+                                + object.getClass());
+        }
+
+        Writer out = env.getOut();
+        StringBuilder build = new StringBuilder();
+        for (Constructor constr : constructors) {
+            build.append("    ");
+            if (constr.isPublic())
+                build.append("public ");
+            build.append(constr.getTypeName() + " ");
+            build.append("() {");
+            build.append(System.lineSeparator());
+            build.append("    ");
+            build.append("    ");
+            build.append(constr.getBody());
+            build.append(System.lineSeparator());
+            build.append("    ");
+            build.append("}");
+            build.append(System.lineSeparator());
+            build.append(System.lineSeparator());
+        }
+
+        if (!constructors.isEmpty())
+            out.write(build.toString().toCharArray());
+    }
+
+}