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1 // MODIFIED FOR THE MSGPACK PROJECT
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2 // Licensed to the Apache Software Foundation (ASF) under one or more
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3 // contributor license agreements. See the NOTICE file distributed with
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4 // this work for additional information regarding copyright ownership.
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5 // The ASF licenses this file to You under the Apache License, Version 2.0
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6 // (the "License"); you may not use this file except in compliance with
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7 // the License. You may obtain a copy of the License at
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8 //
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9 // http://www.apache.org/licenses/LICENSE-2.0
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10 //
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11 // Unless required by applicable law or agreed to in writing, software
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12 // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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13 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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14 // License for the specific language governing permissions and limitations under
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15 // the License.
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16 //
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17
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18 package org.msgpack.template.builder.beans;
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19
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20 import java.lang.reflect.Method;
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21
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22 /**
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23 * Describes a bean's method.
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24 */
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25 public class MethodDescriptor extends FeatureDescriptor {
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26
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27 private Method method;
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28
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29 private ParameterDescriptor[] parameterDescriptors;
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30
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31 /**
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32 * <p>
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33 * Constructs an instance with the given {@link Method} and
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34 * {@link ParameterDescriptor}s. The {@link #getName()} is set as the name
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35 * of the <code>method</code> passed.
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36 * </p>
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37 *
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38 * @param method
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39 * The Method to set.
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40 * @param parameterDescriptors
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41 * An array of parameter descriptors.
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42 */
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43 public MethodDescriptor(Method method,
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44 ParameterDescriptor[] parameterDescriptors) {
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45 super();
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46
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47 if (method == null) {
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48 throw new NullPointerException();
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49 }
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50 this.method = method;
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51 this.parameterDescriptors = parameterDescriptors;
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52
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53 setName(method.getName());
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54 }
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55
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56 /**
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57 * <p>
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58 * Constructs an instance with the given {@link Method}. The
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59 * {@link #getName()} is set as the name of the <code>method</code>
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60 * passed.
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61 * </p>
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62 *
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63 * @param method
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64 * The Method to set.
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65 */
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66 public MethodDescriptor(Method method) {
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67 super();
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68
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69 if (method == null) {
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70 throw new NullPointerException();
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71 }
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72 this.method = method;
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73
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74 setName(method.getName());
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75 }
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76
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77 /**
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78 * <p>
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79 * Gets the method.
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80 * </p>
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81 *
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82 * @return A {@link Method} instance.
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83 */
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84 public Method getMethod() {
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85 return method;
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86 }
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87
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88 /**
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89 * <p>
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90 * Gets the parameter descriptors.
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91 * </p>
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92 *
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93 * @return An array of {@link ParameterDescriptor} instance or
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94 * <code>null</code>.
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95 */
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96 public ParameterDescriptor[] getParameterDescriptors() {
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97 return parameterDescriptors;
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98 }
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99
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100 void merge(MethodDescriptor anotherMethod){
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101 super.merge(anotherMethod);
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102 if(method == null){
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103 method = anotherMethod.method;
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104 }
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105 if(parameterDescriptors == null){
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106 parameterDescriptors = anotherMethod.parameterDescriptors;
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107 }
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108 }
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109 }
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