62 lines
2.4 KiB
Java
62 lines
2.4 KiB
Java
/**
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* Copyright (c) 2012-2013, md_5. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* The name of the author may not be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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package net.md_5.specialsource;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* Lookup inheritance information from multiple sources, in order
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*/
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public class InheritanceProviders implements IInheritanceProvider {
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private List<IInheritanceProvider> inheritanceProviders;
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public InheritanceProviders() {
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inheritanceProviders = new ArrayList<IInheritanceProvider>();
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}
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public void add(IInheritanceProvider inheritanceProvider) {
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inheritanceProviders.add(inheritanceProvider);
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}
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@Override
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public List<String> getParents(String owner) {
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for (IInheritanceProvider inheritanceProvider : inheritanceProviders) {
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// ask each provider for inheritance information on the class, until one responds
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List<String> parents = inheritanceProvider.getParents(owner);
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if (parents != null) {
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return parents;
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}
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}
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return null;
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}
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}
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