72 lines
2.4 KiB
Java
72 lines
2.4 KiB
Java
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/**
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* Copyright (C) 2007 - 2016 52°North Initiative for Geospatial Open Source
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* Software GmbH
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*
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* If the program is linked with libraries which are licensed under one of
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* the following licenses, the combination of the program with the linked
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* library is not considered a "derivative work" of the program:
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*
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* • Apache License, version 2.0
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* • Apache Software License, version 1.0
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* • GNU Lesser General Public License, version 3
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* • Mozilla Public License, versions 1.0, 1.1 and 2.0
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* • Common Development and Distribution License (CDDL), version 1.0
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*
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* Therefore the distribution of the program linked with libraries licensed
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* under the aforementioned licenses, is permitted by the copyright holders
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* if the distribution is compliant with both the GNU General Public
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* License version 2 and the aforementioned licenses.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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* Public License for more details.
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*/
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package org.n52.wps.server.request.strategy;
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import java.io.InputStream;
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import java.util.ArrayList;
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import java.util.List;
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import org.n52.wps.server.ExceptionReport;
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import net.opengis.wps.x100.InputType;
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public class ReferenceStrategyRegister {
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protected List<IReferenceStrategy> registeredStrategies;
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private static ReferenceStrategyRegister instance;
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public synchronized static ReferenceStrategyRegister getInstance(){
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if(instance==null){
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instance = new ReferenceStrategyRegister();
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}
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return instance;
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}
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private ReferenceStrategyRegister(){
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registeredStrategies = new ArrayList<IReferenceStrategy>();
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registeredStrategies.add(new WCS111XMLEmbeddedBase64OutputReferenceStrategy());
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}
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protected void registerStrategy(IReferenceStrategy strategy){
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registeredStrategies.add(strategy);
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}
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public ReferenceInputStream resolveReference(InputType input) throws ExceptionReport{
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IReferenceStrategy foundStrategy = new DefaultReferenceStrategy();
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for(IReferenceStrategy strategy : registeredStrategies){
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if(strategy.isApplicable(input)){
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foundStrategy = strategy;
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break;
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}
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}
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return foundStrategy.fetchData(input);
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}
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}
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