01: /*
02: * IzPack - Copyright 2001-2008 Julien Ponge, All Rights Reserved.
03: *
04: * http://izpack.org/
05: * http://izpack.codehaus.org/
06: *
07: * Copyright 2007 Dennis Reil
08: *
09: * Licensed under the Apache License, Version 2.0 (the "License");
10: * you may not use this file except in compliance with the License.
11: * You may obtain a copy of the License at
12: *
13: * http://www.apache.org/licenses/LICENSE-2.0
14: *
15: * Unless required by applicable law or agreed to in writing, software
16: * distributed under the License is distributed on an "AS IS" BASIS,
17: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18: * See the License for the specific language governing permissions and
19: * limitations under the License.
20: */
21: package com.izforge.izpack.installer;
22:
23: import com.izforge.izpack.rules.RulesEngine;
24:
25: public interface IUnpacker extends Runnable {
26: /**
27: * Return the state of the operation.
28: *
29: * @return true if the operation was successful, false otherwise.
30: */
31: public abstract boolean getResult();
32:
33: /**
34: * Called by the InstallerFrame to set a reference to the RulesEngine, which will
35: * be used to check conditions.
36: * @param rules - an instantiated RulesEngine
37: */
38: public void setRules(RulesEngine rules);
39: }
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