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 / FieldsDirectiveProg.java

diff --git a/opendaylight/config/yang-jmx-generator-plugin/src/main/java/org/opendaylight/controller/config/yangjmxgenerator/plugin/ftl/directives/FieldsDirectiveProg.java b/opendaylight/config/yang-jmx-generator-plugin/src/main/java/org/opendaylight/controller/config/yangjmxgenerator/plugin/ftl/directives/FieldsDirectiveProg.java
new file mode 100644 (file)
index 0000000..7dd0f8e
--- /dev/null
+++ b/opendaylight/config/yang-jmx-generator-plugin/src/main/java/org/opendaylight/controller/config/yangjmxgenerator/plugin/ftl/directives/FieldsDirectiveProg.java
@@ -0,0 +1,74 @@
+/*
+ * 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.FtlTemplate;
+import org.opendaylight.controller.config.yangjmxgenerator.plugin.ftl.model.Field;
+
+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 fields to freemarker template.
+ */
+public class FieldsDirectiveProg 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<Field> fields = Lists.newArrayList();
+
+        if (object != null) {
+            if (object instanceof SimpleSequence)
+                fields = ((SimpleSequence) object).toList();
+            else if (object instanceof FtlTemplate) {
+                fields = ((FtlTemplate) object).getFields();
+            } else
+                throw new IllegalArgumentException(
+                        "Object must be a SimpleSequence or instance of "
+                                + FtlTemplate.class + "but was "
+                                + object.getClass());
+        }
+
+        Writer out = env.getOut();
+        StringBuilder build = new StringBuilder();
+        for (Field field : fields) {
+            build.append("     private ");
+            for (String mod : field.getModifiers()) {
+                build.append(mod + " ");
+            }
+            build.append(field.getType() + " ");
+            build.append(field.getName());
+            if (field.getDefinition() != null)
+                build.append(" = " + field.getDefinition());
+            build.append(";");
+            build.append(System.lineSeparator());
+        }
+
+        if (!fields.isEmpty())
+            out.write(build.toString().toCharArray());
+    }
+
+    // String templateStr = "Hello ${user}";
+    // Template t = new Template("name", new StringReader(templateStr), new
+    // Configuration());
+}