content: /**
   * ﻿Copyright (C) 2010 - 2019 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.syntax;
  
  import java.io.IOException;
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.HashMap;
  import java.util.List;
  
  import org.n52.wps.server.r.data.R_Resource;
  
  // TODO resources should behave more similar to regular annotations, so that i can access the resources using the getObjectValue(...)
  public class ResourceAnnotation extends RAnnotation {
  
      private List<R_Resource> resources = new ArrayList<R_Resource>();
  
      private String resourceDirUrl;
  
      public ResourceAnnotation(HashMap<RAttribute, Object> attributeHash,
                                List<R_Resource> resources,
                                String resourceDirUrl) throws IOException,
              RAnnotationException {
          super(RAnnotationType.RESOURCE, attributeHash);
          this.resources.addAll(resources);
          this.resourceDirUrl = resourceDirUrl;
      }
  
      @Override
      public Object getObjectValue(RAttribute attr) throws RAnnotationException
      {
          if (attr.equals(RAttribute.NAMED_LIST)) {
              return getResources();
          } else if (attr.equals(RAttribute.NAMED_LIST_R_SYNTAX)) {
  
              StringBuilder namedList = new StringBuilder();
              namedList.append("list(");
              boolean startloop = true;
              // have to process the resources to get full URLs to the files
              for (R_Resource resource : this.resources) {
                  if (startloop) {
                      startloop = false;
                  } else {
                      namedList.append(", ");
                  }
                  String fullResourceURL = resource.getFullResourceURL(this.resourceDirUrl).toExternalForm();
  
                  String resourceName = resource.getResourceValue();
  
                  if (fullResourceURL != null) {
                      namedList.append("\"" + resourceName + "\"" + " = " + "\"" + fullResourceURL + "\"");
                  } else
                      namedList.append("\"" + resourceName + "\"" + " = " + "\"" + resourceName + "\"");
  
              }
              namedList.append(")");
  
              return namedList.toString();
          } else
              throw new RAnnotationException("Attribe not defined for this annotation.");
      }
  
      public List<R_Resource> getResources()
      {
          if (this.resources == null)
              this.resources = new ArrayList<R_Resource>();
  
          return this.resources;
      }
  
      @Override
      public String toString()
      {
          StringBuilder builder = new StringBuilder();
          builder.append("ResourceAnnotation [resources=");
          if (this.resources != null)
              builder.append(Arrays.toString(this.resources.toArray()));
          else
              builder.append("<null>");
          builder.append("]");
          return builder.toString();
      }
  
  }
  