001/*****************************************************************************
002 * Copyright (C) PicoContainer Organization. All rights reserved.            *
003 * ------------------------------------------------------------------------- *
004 * The software in this package is published under the terms of the BSD      *
005 * style license a copy of which has been included with this distribution in *
006 * the LICENSE.txt file.                                                     *
007 *                                                                           *
008 * Original code by                                                          *
009 *****************************************************************************/
010package org.picocontainer.injectors;
011
012import org.picocontainer.ComponentMonitor;
013import org.picocontainer.NameBinding;
014import org.picocontainer.Parameter;
015
016import java.lang.reflect.AccessibleObject;
017import java.lang.reflect.Method;
018
019@SuppressWarnings("serial")
020public class NamedMethodInjector<T> extends SetterInjector<T> {
021
022    public NamedMethodInjector(Object key,
023                                   Class<?> impl,
024                                   Parameter[] parameters,
025                                   ComponentMonitor monitor,
026                                   boolean optional) {
027        this(key, impl, parameters, monitor, "set", optional);
028    }
029
030    public NamedMethodInjector(Object key,
031                                   Class<?> impl,
032                                   Parameter[] parameters,
033                                   ComponentMonitor monitor) {
034        this(key, impl, parameters, monitor, "set", true);
035    }
036
037    public NamedMethodInjector(Object key,
038                               Class<?> impl,
039                               Parameter[] parameters,
040                               ComponentMonitor monitor,
041                               String prefix) {
042        this(key, impl, parameters, monitor, prefix, true);
043    }
044
045    public NamedMethodInjector(Object key,
046                               Class<?> impl,
047                               Parameter[] parameters,
048                               ComponentMonitor monitor,
049                               String prefix,
050                               boolean optional) {
051        super(key, impl, parameters, monitor, prefix, "", optional, true);
052    }
053
054    @Override
055    protected NameBinding makeParameterNameImpl(final AccessibleObject member) {
056        return new NameBinding() {
057            public String getName() {
058                String name = ((Method)member).getName().substring(prefix.length()); // string off 'set' or chosen prefix
059                return name.substring(0,1).toLowerCase() + name.substring(1);  // change "SomeThing" to "someThing" 
060            }
061        };
062    }
063
064    @Override
065    public String getDescriptor() {
066        return "NamedMethodInjection:";
067    }
068
069}