86 lines
2.6 KiB
Java
86 lines
2.6 KiB
Java
/**
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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.handler;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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import java.util.List;
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import java.util.Map;
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import org.n52.wps.io.data.IData;
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import net.opengis.wps.x100.InputType;
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/**
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* For some algorithms it is needed to intercept
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* the DataInputs before being processed. An algorithm
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* should provide implementations of these through this
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* interface and the corresponding annotation.
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*
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* @author matthes rieke
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*
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*/
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public interface DataInputInterceptors {
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/**
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* @return a map where input identifiers are keys
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*/
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public Map<String, InterceptorInstance> getInterceptors();
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public static interface InterceptorInstance {
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/**
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* applies the actual interception
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* @param input the input as provided in the Execute request
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*
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* @return true if processed, this triggers a skip of parsing within the InputHandler
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*/
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public List<IData> applyInterception(InputType input);
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}
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/**
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* Decorate your Algorithm implementation with this
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* annotation. the value must be the fully qualified
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* class name of the {@link DataInputInterceptors} implementation.
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*
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* @author matthes rieke
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*
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*/
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@Retention(RetentionPolicy.RUNTIME)
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public static @interface DataInputInterceptorImplementations {
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String value();
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}
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}
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