/** * Copyright (C) 2010 - 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.r.data; import java.io.File; import java.io.IOException; import java.net.HttpURLConnection; import java.net.MalformedURLException; import java.net.URL; import org.n52.wps.server.ExceptionReport; import org.n52.wps.server.r.RWPSConfigVariables; import org.n52.wps.server.r.R_Config; import org.slf4j.Logger; import org.slf4j.LoggerFactory; public class R_Resource { private static Logger LOGGER = LoggerFactory.getLogger(CustomDataTypeManager.class); private String resourceValue; public R_Resource(String resourceValue) { this.resourceValue = resourceValue; } public String getResourceValue() { return this.resourceValue; } public URL getFullResourceURL(String resourceDirUrl) { String fullResourceURL = null; if (resourceDirUrl != null) fullResourceURL = resourceDirUrl + "/" + this.resourceValue; else fullResourceURL = "http://not_available/" + this.resourceValue; URL resourceURL; try { resourceURL = new URL(fullResourceURL); } catch (MalformedURLException e) { LOGGER.error("Could not create URL from resource: " + fullResourceURL, e); return null; } // TODO fix resource existing testing // if ( !urlResourceExists(resourceURL)) { // LOGGER.warn("Resource file from annotation '" + resourcePath // + "' could not be found in the file system at " + resourceURL); // return null; // } return resourceURL; } public File getFullResourcePath(R_Config config) { String fullResourcePath = null; try { fullResourcePath = config.getConfigVariableFullPath(RWPSConfigVariables.RESOURCE_DIR) + File.separatorChar + this.resourceValue; } catch (ExceptionReport e) { LOGGER.error("Cannot locate resource File: " + this.resourceValue, e); e.printStackTrace(); } File resourceFile = new File(fullResourcePath); if ( !resourceFile.exists()) { LOGGER.error("Cannot locate resource File: " + this.resourceValue + ", path: " + fullResourcePath); return null; } // TODO fix resource existing testing // if ( !urlResourceExists(resourceURL)) { // LOGGER.warn("Resource file from annotation '" + resourcePath // + "' could not be found in the file system at " + resourceURL); // return null; // } return resourceFile; } @SuppressWarnings("unused") private static boolean urlResourceExists(URL url) { HttpURLConnection conn = null; try { conn = (HttpURLConnection) url.openConnection(); conn.setRequestMethod("HEAD"); // should be // conn.setRequestMethod("HEAD"); conn.setConnectTimeout(3000); conn.setReadTimeout(3000); } catch (IOException e) { LOGGER.error("Could not open connection to URL " + url, e); return false; } // does not work long length = conn.getContentLength(); System.out.println(length); try { conn.connect(); } catch (IOException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } // does not work int code; try { code = conn.getResponseCode(); } catch (IOException e) { LOGGER.error("Could not get header from connection.", e); return false; } return (code == HttpURLConnection.HTTP_OK); // last resort } @Override public String toString() { StringBuilder builder = new StringBuilder(); builder.append("R_Resource [resourceValue="); builder.append(this.resourceValue); builder.append("]"); return builder.toString(); } }