Java examples for Reflection:Getter
Finds the appropriate the getter for an Object.
/**// ww w . java 2 s. c om * Copyright (c) 2003-2009, Xith3D Project Group all rights reserved. * * Portions based on the Java3D interface, Copyright by Sun Microsystems. * Many thanks to the developers of Java3D and Sun Microsystems for their * innovation and design. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 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. * * Neither the name of the 'Xith3D Project Group' nor the names of its * contributors may be used to endorse or promote products derived from this * software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 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) A * RISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE */ import java.lang.reflect.Method; public class Main{ public static void main(String[] argv) throws Exception{ Object object = "java2s.com"; String member = "java2s.com"; System.out.println(getGetter(object,member)); } /** * Finds the appropriate the getter for an Object. * * @param object The object * @param member The member * @return The getter for the specified member of this Object * @throws NoGetterException if no getter can be found */ public static Method getGetter(Object object, String member) throws NoGetterException { String name = member.substring(0, 1).toUpperCase() + member.substring(1); Method met = null; try { met = object.getClass().getMethod("get" + name, (Class[]) null); } catch (Exception e) { try { met = object.getClass().getMethod("is" + name, (Class[]) null); } catch (Exception ex) { throw new NoGetterException( "Could not find a getter for member: " + member + " of object of type " + object.getClass().getSimpleName()); } } return met; } }