001package ca.uhn.fhir.rest.client.exceptions;
002
003/*
004 * #%L
005 * HAPI FHIR - Core Library
006 * %%
007 * Copyright (C) 2014 - 2022 Smile CDR, Inc.
008 * %%
009 * Licensed under the Apache License, Version 2.0 (the "License");
010 * you may not use this file except in compliance with the License.
011 * You may obtain a copy of the License at
012 *
013 *      http://www.apache.org/licenses/LICENSE-2.0
014 *
015 * Unless required by applicable law or agreed to in writing, software
016 * distributed under the License is distributed on an "AS IS" BASIS,
017 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
018 * See the License for the specific language governing permissions and
019 * limitations under the License.
020 * #L%
021 */
022
023import ca.uhn.fhir.rest.server.exceptions.BaseServerResponseException;
024import ca.uhn.fhir.util.CoverageIgnore;
025import com.google.common.base.Charsets;
026import org.apache.commons.io.IOUtils;
027
028import java.io.IOException;
029import java.io.InputStream;
030import java.io.InputStreamReader;
031import java.io.Reader;
032
033import static org.apache.commons.lang3.StringUtils.isBlank;
034
035@CoverageIgnore
036public class NonFhirResponseException extends BaseServerResponseException {
037
038        private static final long serialVersionUID = 1L;
039
040        /**
041         * Constructor
042         *
043         * @param theMessage    The message
044         * @param theStatusCode The HTTP status code
045         */
046        NonFhirResponseException(int theStatusCode, String theMessage) {
047                super(theStatusCode, theMessage);
048        }
049
050        public static NonFhirResponseException newInstance(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(theStatusCode, "Response contains non FHIR Content-Type '" + theContentType + "' : " + responseBody);
073                } else {
074                        retVal = new NonFhirResponseException(theStatusCode, "Response contains non FHIR Content-Type '" + theContentType + "'");
075                }
076
077                retVal.setResponseBody(responseBody);
078                return retVal;
079        }
080
081}