/** * 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. * * As an exception to the terms of the GPL, you may copy, modify, * propagate, and distribute a work formed by combining 52°North WPS * GeoTools Modules with the Eclipse Libraries, or a work derivative of * such a combination, even if such copying, modification, propagation, or * distribution would otherwise violate the terms of the GPL. Nothing in * this exception exempts you from complying with the GPL in all respects * for all of the code used other than the Eclipse Libraries. You may * include this exception and its grant of permissions when you distribute * 52°North WPS GeoTools Modules. Inclusion of this notice with such a * distribution constitutes a grant of such permissions. If you do not wish * to grant these permissions, remove this paragraph from your * distribution. "52°North WPS GeoTools Modules" means the 52°North WPS * modules using GeoTools functionality - software licensed under version 2 * or any later version of the GPL, or a work based on such software and * licensed under the GPL. "Eclipse Libraries" means Eclipse Modeling * Framework Project and XML Schema Definition software distributed by the * Eclipse Foundation and licensed under the Eclipse Public License Version * 1.0 ("EPL"), or a work based on such software and licensed under the EPL. * * 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.io.datahandler.generator; import java.io.ByteArrayInputStream; import java.io.File; import java.io.IOException; import java.io.InputStream; import java.util.UUID; import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.parsers.ParserConfigurationException; import javax.xml.transform.TransformerException; import org.apache.commons.httpclient.HttpException; import org.n52.wps.PropertyDocument.Property; import org.n52.wps.commons.WPSConfig; import org.n52.wps.commons.XMLUtil; import org.n52.wps.io.data.GenericFileDataWithGT; import org.n52.wps.io.data.IData; import org.n52.wps.io.data.binding.complex.GTRasterDataBinding; import org.n52.wps.io.data.binding.complex.GeotiffBinding; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.w3c.dom.Document; import org.w3c.dom.Element; //TODO: compact the 3 OWS Generators into a single one public class GeoserverWCSGenerator extends AbstractGenerator { private static Logger LOGGER = LoggerFactory.getLogger(GeoserverWCSGenerator.class); private String username; private String password; private String host; private String port; public GeoserverWCSGenerator() { super(); this.supportedIDataTypes.add(GTRasterDataBinding.class); this.supportedIDataTypes.add(GeotiffBinding.class); properties = WPSConfig.getInstance().getPropertiesForGeneratorClass(this.getClass().getName()); for(Property property : properties){ if(property.getName().equalsIgnoreCase("Geoserver_username")){ username = property.getStringValue(); } if(property.getName().equalsIgnoreCase("Geoserver_password")){ password = property.getStringValue(); } if(property.getName().equalsIgnoreCase("Geoserver_host")){ host = property.getStringValue(); } if(property.getName().equalsIgnoreCase("Geoserver_port")){ port = property.getStringValue(); } } if(port == null){ port = WPSConfig.getInstance().getWPSConfig().getServer().getHostport(); } for(String supportedFormat : supportedFormats){ if(supportedFormat.equals("text/xml")){ supportedFormats.remove(supportedFormat); } } } @Override public InputStream generateStream(IData data, String mimeType, String schema) throws IOException { InputStream stream = null; try { Document doc = storeLayer(data); String xmlString = XMLUtil.nodeToString(doc); stream = new ByteArrayInputStream(xmlString.getBytes("UTF-8")); } catch(TransformerException e){ LOGGER.error("Error generating WCS output. Reason: ", e); throw new RuntimeException("Error generating WCS output. Reason: " + e); } catch (IOException e) { LOGGER.error("Error generating WCS output. Reason: ", e); throw new RuntimeException("Error generating WCS output. Reason: " + e); } catch (ParserConfigurationException e) { LOGGER.error("Error generating WCS output. Reason: ", e); throw new RuntimeException("Error generating WCS output. Reason: " + e); } return stream; } private Document storeLayer(IData coll) throws HttpException, IOException, ParserConfigurationException{ File file = null; String storeName = ""; if(coll instanceof GTRasterDataBinding){ GTRasterDataBinding gtData = (GTRasterDataBinding) coll; GenericFileDataWithGT fileData = new GenericFileDataWithGT(gtData.getPayload(), null); file = fileData.getBaseFile(true); } if(coll instanceof GeotiffBinding){ GeotiffBinding data = (GeotiffBinding) coll; file = (File) data.getPayload(); } storeName = file.getName(); storeName = storeName +"_" + UUID.randomUUID(); GeoServerUploader geoserverUploader = new GeoServerUploader(username, password, host, port); String result = geoserverUploader.createWorkspace(); LOGGER.debug(result); if(coll instanceof GTRasterDataBinding){ result = geoserverUploader.uploadGeotiff(file, storeName); } LOGGER.debug(result); String capabilitiesLink = "http://"+host+":"+port+"/geoserver/wcs?Service=WCS&Request=GetCapabilities&Version=1.1.1"; Document doc = createXML(storeName, capabilitiesLink); return doc; } private Document createXML(String layerName, String getCapabilitiesLink) throws ParserConfigurationException{ DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); Document doc = factory.newDocumentBuilder().newDocument(); Element root = doc.createElement("OWSResponse"); root.setAttribute("type", "WMS"); Element resourceIDElement = doc.createElement("ResourceID"); resourceIDElement.appendChild(doc.createTextNode(layerName)); root.appendChild(resourceIDElement); Element getCapabilitiesLinkElement = doc.createElement("GetCapabilitiesLink"); getCapabilitiesLinkElement.appendChild(doc.createTextNode(getCapabilitiesLink)); root.appendChild(getCapabilitiesLinkElement); /* Element directResourceLinkElement = doc.createElement("DirectResourceLink"); directResourceLinkElement.appendChild(doc.createTextNode(getMapRequest)); root.appendChild(directResourceLinkElement); */ doc.appendChild(root); return doc; } }