MultiReferenceBinaryInputAlgorithm.java

/**
 * Copyright (C) 2007 - 2016 52°North Initiative for Geospatial Open Source
 * Software GmbH
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published
 * by the Free Software Foundation.
 *
 * If the program is linked with libraries which are licensed under one of
 * the following licenses, the combination of the program with the linked
 * library is not considered a "derivative work" of the program:
 *
 *       • Apache License, version 2.0
 *       • Apache Software License, version 1.0
 *       • GNU Lesser General Public License, version 3
 *       • Mozilla Public License, versions 1.0, 1.1 and 2.0
 *       • Common Development and Distribution License (CDDL), version 1.0
 *
 * Therefore the distribution of the program linked with libraries licensed
 * under the aforementioned licenses, is permitted by the copyright holders
 * if the distribution is compliant with both the GNU General Public
 * License version 2 and the aforementioned licenses.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
 * Public License for more details.
 */
package org.n52.wps.server.algorithm.test;

import java.io.File;
import java.io.IOException;
import java.util.List;

import org.n52.wps.algorithm.annotation.Algorithm;
import org.n52.wps.algorithm.annotation.ComplexDataInput;
import org.n52.wps.algorithm.annotation.ComplexDataOutput;
import org.n52.wps.algorithm.annotation.Execute;
import org.n52.wps.io.data.GenericFileData;
import org.n52.wps.io.data.binding.complex.GenericFileDataBinding;
import org.n52.wps.server.AbstractAnnotatedAlgorithm;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

@Algorithm(version = "1.1.0", title="for testing multiple binary inputs by reference")
public class MultiReferenceBinaryInputAlgorithm extends AbstractAnnotatedAlgorithm {

    private static Logger LOGGER = LoggerFactory.getLogger(MultiReferenceBinaryInputAlgorithm.class);

    public MultiReferenceBinaryInputAlgorithm() {
        super();
    }
    
    private GenericFileData result;
    private List<GenericFileData> data;
    
    @ComplexDataOutput(identifier = "result", binding = GenericFileDataBinding.class)
    public GenericFileData getResult() {
        return result;
    }

    @ComplexDataInput(identifier = "data", binding = GenericFileDataBinding.class, minOccurs=1, maxOccurs=2)
    public void setData(List<GenericFileData> data) {
        this.data = data;
    }

    @Execute
    public void runProcess() {
    	
    	GenericFileData gfd = null;
    	
    	File f = null;
    	
    	for (GenericFileData genericFileData : data) {
        	
    		gfd = genericFileData;
    		
        	f = gfd.getBaseFile(false);
        	
        	if(!f.exists()){
        		throw new RuntimeException("Input file does not exist for identifier data.");
        	}
		}
    	
    	try {
			result = new GenericFileData(f, gfd.getMimeType());
		} catch (IOException e) {
			LOGGER.error(e.getMessage(), e);
		}
    }
}