001/*
002 * #%L
003 * HAPI FHIR - Core Library
004 * %%
005 * Copyright (C) 2014 - 2024 Smile CDR, Inc.
006 * %%
007 * Licensed under the Apache License, Version 2.0 (the "License");
008 * you may not use this file except in compliance with the License.
009 * You may obtain a copy of the License at
010 *
011 *      http://www.apache.org/licenses/LICENSE-2.0
012 *
013 * Unless required by applicable law or agreed to in writing, software
014 * distributed under the License is distributed on an "AS IS" BASIS,
015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
016 * See the License for the specific language governing permissions and
017 * limitations under the License.
018 * #L%
019 */
020package ca.uhn.fhir.rest.client.exceptions;
021
022import ca.uhn.fhir.rest.server.exceptions.BaseServerResponseException;
023import ca.uhn.fhir.util.CoverageIgnore;
024import com.google.common.base.Charsets;
025import org.apache.commons.io.IOUtils;
026
027import java.io.IOException;
028import java.io.InputStream;
029import java.io.InputStreamReader;
030import java.io.Reader;
031
032import static org.apache.commons.lang3.StringUtils.isBlank;
033
034@CoverageIgnore
035public class NonFhirResponseException extends BaseServerResponseException {
036
037        private static final long serialVersionUID = 1L;
038
039        /**
040         * Constructor
041         *
042         * @param theMessage    The message
043         * @param theStatusCode The HTTP status code
044         */
045        NonFhirResponseException(int theStatusCode, String theMessage) {
046                super(theStatusCode, theMessage);
047        }
048
049        public static NonFhirResponseException newInstance(
050                        int theStatusCode, String theContentType, InputStream theInputStream) {
051                return newInstance(theStatusCode, theContentType, new InputStreamReader(theInputStream, Charsets.UTF_8));
052        }
053
054        public static NonFhirResponseException newInstance(int theStatusCode, String theContentType, Reader theReader) {
055                String responseBody = "";
056                try {
057                        responseBody = IOUtils.toString(theReader);
058                } catch (IOException e) {
059                        // ignore
060                } finally {
061                        try {
062                                theReader.close();
063                        } catch (IOException theE) {
064                                // ignore
065                        }
066                }
067
068                NonFhirResponseException retVal;
069                if (isBlank(theContentType)) {
070                        retVal = new NonFhirResponseException(theStatusCode, "Response contains no Content-Type");
071                } else if (theContentType.contains("text")) {
072                        retVal = new NonFhirResponseException(
073                                        theStatusCode,
074                                        "Response contains non FHIR Content-Type '" + theContentType + "' : " + responseBody);
075                } else {
076                        retVal = new NonFhirResponseException(
077                                        theStatusCode, "Response contains non FHIR Content-Type '" + theContentType + "'");
078                }
079
080                retVal.setResponseBody(responseBody);
081                return retVal;
082        }
083}