opendaylight/config/yang-jmx-generator-plugin/src/main/java/org/opendaylight/controller/config/yangjmxgenerator/plugin/ftl/model/MethodSerializer.java

   1 /*
   2  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.controller.config.yangjmxgenerator.plugin.ftl.model;
  10
  11 import java.util.Optional;
  12 import java.util.function.Consumer;
  13 import java.util.stream.Collectors;
  14 import javax.lang.model.element.Modifier;
  15 import org.opendaylight.controller.config.yangjmxgenerator.plugin.util.StringUtil;
  16
  17 class MethodSerializer {
  18
  19     static String toString(Method method) {
  20         StringBuilder build = new StringBuilder();
  21         Consumer<Modifier> appendWithSpace = string -> build.append(string).append(" ");
  22
  23         if (method.getJavadoc() != null) {
  24             build.append(StringUtil.writeComment(method.getJavadoc(), true));
  25         }
  26
  27         method.getAnnotations().forEach(build::append);
  28
  29         build.append("    ");
  30         method.getVisibility().ifPresent(appendWithSpace);
  31         method.getModifiers().forEach(appendWithSpace);
  32         build.append(method.getReturnType()).append(" ");
  33
  34         build.append(method.getName()).append("(");
  35         boolean firstParam = true;
  36         for (Field param : method.getParameters()) {
  37             if (!firstParam) {
  38                 build.append(", ");
  39             }
  40             param.getModifiers().forEach(appendWithSpace);
  41             build.append(param.getType()).append(" ");
  42             build.append(param.getName());
  43             firstParam = false;
  44         }
  45         build.append(")");
  46
  47         if (!method.getThrowsExceptions().isEmpty()) {
  48             build.append(" throws ");
  49             build.append(method.getThrowsExceptions().stream().collect(Collectors.joining(", ")));
  50         }
  51
  52         Optional<String> body = method.getBody();
  53         if (!body.isPresent()) {
  54             build.append(";");
  55             build.append("\n");
  56         } else {
  57             build.append(" {");
  58             build.append("\n");
  59             build.append("        ");
  60             build.append(body.get());
  61             build.append("\n");
  62             build.append("    ");
  63             build.append("}");
  64             build.append("\n");
  65         }
  66         build.append("\n");
  67         return build.toString();
  68     }
  69 }