1 /******************************************************************************
2 * Copyright (C) PicoContainer Organization. All rights reserved. *
3 * ------------------------------------------------------------------------- *
4 * The software in this package is published under the terms of the BSD *
5 * style license a copy of which has been included with this distribution in *
6 * the LICENSE.txt file. *
7 * *
8 * Idea by Rachel Davies, Original code by Aslak Hellesoy and Paul Hammant *
9 *****************************************************************************/
10
11 package org.picocontainer.defaults;
12
13 import org.picocontainer.PicoInstantiationException;
14
15 public class UnsatisfiedDependencyInstantiationException extends PicoInstantiationException {
16 private Class classThatNeedsDeps;
17 private Object componentKey;
18 private Class neededDep;
19
20 public UnsatisfiedDependencyInstantiationException(Class classThatNeeds, Object componentKey, Class neededDep) {
21 this.classThatNeedsDeps = classThatNeeds;
22 this.componentKey = componentKey;
23 this.neededDep = neededDep;
24 }
25
26 public String getMessage() {
27 return "Component " + classThatNeedsDeps.getName() + " needs " +
28 (componentKey == null ? neededDep.getName() : componentKey);
29 }
30
31 public Class getClassThatNeedsDeps() {
32 return classThatNeedsDeps;
33 }
34 }
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