Java Reflection Constructor Get getConstructorForArguments( java.lang.reflect.Constructor[] constructors, Object... arguments)

Description

get Constructor For Arguments

License

Open Source License

Declaration

private static <T> java.lang.reflect.Constructor<T> getConstructorForArguments(
            java.lang.reflect.Constructor<T>[] constructors, Object... arguments) throws NoSuchMethodException 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright (c) 2006, 2015, Carnegie Mellon University. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * 3. Products derived from the software may not be called "Alice", nor may
 *    "Alice" appear in their name, without prior written permission of
 *    Carnegie Mellon University.//from w w  w  . j a  va  2s . c o  m
 *
 * 4. All advertising materials mentioning features or use of this software must
 *    display the following acknowledgement: "This product includes software
 *    developed by Carnegie Mellon University"
 *
 * 5. The gallery of art assets and animations provided with this software is
 *    contributed by Electronic Arts Inc. and may be used for personal,
 *    non-commercial, and academic use only. Redistributions of any program
 *    source code that utilizes The Sims 2 Assets must also retain the copyright
 *    notice, list of conditions and the disclaimer contained in
 *    The Alice 3.0 Art Gallery License.
 *
 * DISCLAIMER:
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND.
 * ANY AND ALL EXPRESS, STATUTORY OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,  FITNESS FOR A
 * PARTICULAR PURPOSE, TITLE, AND NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT
 * SHALL THE AUTHORS, COPYRIGHT OWNERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, PUNITIVE OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING FROM OR OTHERWISE RELATING TO
 * THE USE OF OR OTHER DEALINGS WITH THE SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *******************************************************************************/

public class Main {
    private static <T> java.lang.reflect.Constructor<T> getConstructorForArguments(
            java.lang.reflect.Constructor<T>[] constructors, Object... arguments) throws NoSuchMethodException {
        java.lang.reflect.Constructor<T> rv = null;
        for (java.lang.reflect.Constructor<T> constructor : constructors) {
            Class<?>[] parameterClses = constructor.getParameterTypes();
            if (parameterClses.length == arguments.length) {
                if (rv != null) {
                    throw new RuntimeException("more than one constructor matches arguments");
                } else {
                    rv = constructor;
                }
            }
        }
        if (rv != null) {
            return rv;
        } else {
            throw new NoSuchMethodException();
        }
    }

    public static <T> java.lang.reflect.Constructor<T> getConstructorForArguments(Class<T> cls,
            Object... arguments) {
        try {
            return getConstructorForArguments((java.lang.reflect.Constructor<T>[]) cls.getConstructors(),
                    arguments);
        } catch (NoSuchMethodException nsme) {
            throw new RuntimeException(cls.getName(), nsme);
        }
    }
}

Related

1. getConstructor(String type, Class[] paramTypes)
2. getConstructor(String typeString)
3. getConstructorAccessor(Class enumClass, Class[] additionalParameterTypes)
4. getConstructorCalls(Class aClass)
5. getConstructorDescriptor(final Constructor c)
6. getConstructorFromSignature(Class clazz, String cstrSig)
7. getConstructorIfAvailable(Class clazz, Class... paramTypes)
8. getConstructorLabel(java.lang.reflect.Constructor con)
9. getConstructorOptional(Class cls, Class... argsTypes)