Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
/*******************************************************************************
 *
 * Pentaho Big Data
 *
 * Copyright (C) 2002-2013 by Pentaho : http://www.pentaho.com
 *
 *******************************************************************************
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 ******************************************************************************/

import java.lang.reflect.Method;

public class Main {
    /**
     * Finds a method in the given class or any super class with the name {@code prefix + methodName} that accepts 0
     * parameters.
     * 
     * @param aClass
     *          Class to search for method in
     * @param methodName
     *          Camelcase'd method name to search for with any of the provided prefixes
     * @param parameterTypes
     *          The parameter types the method signature must match.
     * @param prefixes
     *          Prefixes to prepend to {@code methodName} when searching for method names, e.g. "get", "is"
     * @return The first method found to match the format {@code prefix + methodName}
     */
    public static Method findMethod(Class<?> aClass, String methodName, Class<?>[] parameterTypes,
            String... prefixes) {
        for (String prefix : prefixes) {
            try {
                return aClass.getDeclaredMethod(prefix + methodName, parameterTypes);
            } catch (NoSuchMethodException ex) {
                // ignore, continue searching prefixes
            }
        }
        // If no method found with any prefixes search the super class
        aClass = aClass.getSuperclass();
        return aClass == null ? null : findMethod(aClass, methodName, parameterTypes, prefixes);
    }
}