content: /**
   * ﻿Copyright (C) 2007 - 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.response;
  
  import java.io.ByteArrayInputStream;
  import java.io.IOException;
  import java.io.InputStream;
  
  import net.opengis.wps.x100.ProcessDescriptionType;
  
  import org.n52.wps.io.IOHandler;
  import org.n52.wps.io.data.IBBOXData;
  import org.n52.wps.io.data.IComplexData;
  import org.n52.wps.io.data.IData;
  import org.n52.wps.io.data.ILiteralData;
  import org.n52.wps.server.ExceptionReport;
  import org.n52.wps.util.XMLBeansHelper;
  
  import com.google.common.base.Charsets;
  import com.google.common.base.Joiner;
  import com.google.common.primitives.Doubles;
  
  /*
   * @author foerster
   *
   */
  public class RawData extends ResponseData {
      public static final Joiner SPACE_JOINER = Joiner.on(" ");
  
  	/**
  	 * @param obj
  	 * @param id
  	 * @param schema
  	 * @param encoding
  	 * @param mimeType
  	 */
      public RawData(IData obj, String id, String schema, String encoding,
                     String mimeType, String algorithmIdentifier,
                     ProcessDescriptionType description)
              throws ExceptionReport {
          super(obj, id, schema, encoding, mimeType, algorithmIdentifier, description);
          if (obj instanceof IComplexData) {
              prepareGenerator();
          }
      }
  
      public InputStream getAsStream() throws ExceptionReport {
          try {
              if(obj instanceof ILiteralData){
                  return new ByteArrayInputStream(String.valueOf(obj.getPayload()).getBytes(Charsets.UTF_8));
              }
              if(obj instanceof IBBOXData){
                  IBBOXData bbox  = (IBBOXData) obj;
                  StringBuilder builder = new StringBuilder();
  
                  builder.append("<wps:BoundingBoxData");
                  appendAttr(builder, "xmlns:ows", XMLBeansHelper.NS_OWS_1_1);
                  appendAttr(builder, "xmlns:wps", XMLBeansHelper.NS_WPS_1_0_0);
                  if (bbox.getCRS() != null) {
                      appendAttr(builder, "crs", escape(bbox.getCRS()));
                  }
                  appendAttr(builder, "dimensions", bbox.getDimension());
                  builder.append(">");
                  builder.append("\n\t");
                  builder.append("<ows:LowerCorner>");
                  SPACE_JOINER.appendTo(builder, Doubles.asList(bbox.getLowerCorner()));
                  builder.append("</ows:LowerCorner>");
                  builder.append("\n\t");
                  builder.append("<ows:UpperCorner>");
                  SPACE_JOINER.appendTo(builder, Doubles.asList(bbox.getUpperCorner()));
                  builder.append("</ows:UpperCorner>");
                  builder.append("\n");
                  builder.append("</wps:BoundingBoxData>");
                  return new ByteArrayInputStream(builder.toString().getBytes(Charsets.UTF_8));
              }
              //complexdata
              if(encoding == null || "".equals(encoding) || encoding.equalsIgnoreCase(IOHandler.DEFAULT_ENCODING)){
                  return generator.generateStream(obj, mimeType, schema);
              }
              else if(encoding.equalsIgnoreCase(IOHandler.ENCODING_BASE64)){
                  return generator.generateBase64Stream(obj, mimeType, schema);
  
              }
          } catch (IOException e) {
              throw new ExceptionReport("Error while generating Complex Data out of the process result", ExceptionReport.NO_APPLICABLE_CODE, e);
          }
          throw new ExceptionReport("Could not determine encoding. Use default (=not set) or base64", ExceptionReport.NO_APPLICABLE_CODE);
      }
  
      private StringBuilder appendAttr(StringBuilder builder, String key, Object value) {
          return builder.append(' ').append(key).append('=')
                  .append('"').append(value).append('"');
      }
  
      private static String escape(String s) {
          return s.replaceAll("&", "&amp;")
                  .replaceAll("\"", "&quot;")
                  .replaceAll("'", "&apos;")
                  .replaceAll("<", "&lt;")
                  .replaceAll(">", "&gt;");
      }
  }
  