Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ package org.apache.olingo.fit.tecsvc.http; import static org.junit.Assert.*; import java.io.IOException; import java.io.InputStream; import java.io.OutputStreamWriter; import java.net.HttpURLConnection; import java.net.URL; import java.util.HashMap; import java.util.Map; import org.apache.commons.io.IOUtils; import org.apache.olingo.client.api.ODataClient; import org.apache.olingo.commons.api.format.ContentType; import org.apache.olingo.commons.api.http.HttpHeader; import org.apache.olingo.commons.api.http.HttpMethod; import org.apache.olingo.commons.api.http.HttpStatusCode; import org.apache.olingo.fit.AbstractBaseTestITCase; import org.apache.olingo.fit.tecsvc.TecSvcConst; import org.apache.olingo.fit.util.StringHelper; import org.apache.olingo.server.tecsvc.async.TechnicalAsyncService; import org.junit.Test; public class PreferHeaderForGetAndDeleteITCase extends AbstractBaseTestITCase { private static final String SERVICE_URI = TecSvcConst.BASE_URI + "/"; @Test public void preferHeaderMinimal_GetEntitySet() throws Exception { URL url = new URL(SERVICE_URI + "ESAllPrim"); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); connection.setRequestMethod(HttpMethod.GET.name()); connection.setRequestProperty(HttpHeader.PREFER, "return=minimal"); connection.connect(); assertEquals(HttpStatusCode.BAD_REQUEST.getStatusCode(), connection.getResponseCode()); final String content = IOUtils.toString(connection.getErrorStream()); assertTrue(content.contains("The Prefer header 'return=minimal' is not supported for this HTTP Method.")); } @Test public void preferHeaderRepresentation_GetEntitySet() throws Exception { URL url = new URL(SERVICE_URI + "ESAllPrim"); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); connection.setRequestMethod(HttpMethod.GET.name()); connection.setRequestProperty(HttpHeader.PREFER, "return=representation"); connection.connect(); assertEquals(HttpStatusCode.BAD_REQUEST.getStatusCode(), connection.getResponseCode()); final String content = IOUtils.toString(connection.getErrorStream()); assertTrue(content .contains("The Prefer header 'return=representation' is not supported for this HTTP Method.")); } @Test public void preferHeaderMinimal_GetEntity() throws Exception { URL url = new URL(SERVICE_URI + "ESAllPrim(32767)"); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); connection.setRequestMethod(HttpMethod.GET.name()); connection.setRequestProperty(HttpHeader.PREFER, "return=minimal"); connection.connect(); assertEquals(HttpStatusCode.BAD_REQUEST.getStatusCode(), connection.getResponseCode()); final String content = IOUtils.toString(connection.getErrorStream()); assertTrue(content.contains("The Prefer header 'return=minimal' is not supported for this HTTP Method.")); } @Test public void preferHeaderRepresentation_GetEntity() throws Exception { URL url = new URL(SERVICE_URI + "ESAllPrim(32767)"); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); connection.setRequestMethod(HttpMethod.GET.name()); connection.setRequestProperty(HttpHeader.PREFER, "return=representation"); connection.connect(); assertEquals(HttpStatusCode.BAD_REQUEST.getStatusCode(), connection.getResponseCode()); final String content = IOUtils.toString(connection.getErrorStream()); assertTrue(content .contains("The Prefer header 'return=representation' is not supported for this HTTP Method.")); } @Test public void preferHeaderRepresentation_DeleteEntity() throws Exception { URL url = new URL(SERVICE_URI + "ESAllPrim(32767)"); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); connection.setRequestMethod(HttpMethod.DELETE.name()); connection.setRequestProperty(HttpHeader.PREFER, "return=representation"); connection.connect(); assertEquals(HttpStatusCode.BAD_REQUEST.getStatusCode(), connection.getResponseCode()); final String content = IOUtils.toString(connection.getErrorStream()); assertTrue(content .contains("The Prefer header 'return=representation' is not supported for this HTTP Method.")); } @Test public void preferHeaderMinimal_DeleteEntity() throws Exception { URL url = new URL(SERVICE_URI + "ESAllPrim(32767)"); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); connection.setRequestMethod(HttpMethod.DELETE.name()); connection.setRequestProperty(HttpHeader.PREFER, "return=minimal"); connection.connect(); assertEquals(HttpStatusCode.BAD_REQUEST.getStatusCode(), connection.getResponseCode()); final String content = IOUtils.toString(connection.getErrorStream()); assertTrue(content.contains("The Prefer header 'return=minimal' is not supported for this HTTP Method.")); } @Test public void preferHeaderRepresentation_GetComplexProperty() throws Exception { URL url = new URL(SERVICE_URI + "ESCompCollDerived(12345)/PropertyCompAno"); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); connection.setRequestMethod(HttpMethod.GET.name()); connection.setRequestProperty(HttpHeader.PREFER, "return=representation"); connection.connect(); assertEquals(HttpStatusCode.BAD_REQUEST.getStatusCode(), connection.getResponseCode()); final String content = IOUtils.toString(connection.getErrorStream()); assertTrue(content .contains("The Prefer header 'return=representation' is not supported for this HTTP Method.")); } @Test public void preferHeaderMinimal_GetSimpleProperty() throws Exception { URL url = new URL(SERVICE_URI + "ESAllPrim(32767)/PropertyString"); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); connection.setRequestMethod(HttpMethod.GET.name()); connection.setRequestProperty(HttpHeader.PREFER, "return=minimal"); connection.connect(); assertEquals(HttpStatusCode.BAD_REQUEST.getStatusCode(), connection.getResponseCode()); final String content = IOUtils.toString(connection.getErrorStream()); assertTrue(content.contains("The Prefer header 'return=minimal' is not supported for this HTTP Method.")); } @Test public void preferHeaderMinimal_GetNavigationProperty() throws Exception { URL url = new URL(SERVICE_URI + "ESAllPrim(32767)/NavPropertyETTwoPrimOne"); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); connection.setRequestMethod(HttpMethod.GET.name()); connection.setRequestProperty(HttpHeader.PREFER, "return=minimal"); connection.connect(); assertEquals(HttpStatusCode.BAD_REQUEST.getStatusCode(), connection.getResponseCode()); final String content = IOUtils.toString(connection.getErrorStream()); assertTrue(content.contains("The Prefer header 'return=minimal' is not supported for this HTTP Method.")); } @Test public void preferHeaderRepresentation_GetReference() throws Exception { URL url = new URL(SERVICE_URI + "ESAllPrim(32767)/NavPropertyETTwoPrimOne/$ref"); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); connection.setRequestMethod(HttpMethod.GET.name()); connection.setRequestProperty(HttpHeader.PREFER, "return=representation"); connection.connect(); assertEquals(HttpStatusCode.BAD_REQUEST.getStatusCode(), connection.getResponseCode()); final String content = IOUtils.toString(connection.getErrorStream()); assertTrue(content .contains("The Prefer header 'return=representation' is not supported for this HTTP Method.")); } @Test public void preferHeaderRepresentation_GetMediaEntitySet() throws Exception { URL url = new URL(SERVICE_URI + "ESMedia"); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); connection.setRequestMethod(HttpMethod.GET.name()); connection.setRequestProperty(HttpHeader.PREFER, "return=representation"); connection.connect(); assertEquals(HttpStatusCode.BAD_REQUEST.getStatusCode(), connection.getResponseCode()); final String content = IOUtils.toString(connection.getErrorStream()); assertTrue(content .contains("The Prefer header 'return=representation' is not supported for this HTTP Method.")); } @Test public void preferHeaderMinimal_GetMediaEntity() throws Exception { URL url = new URL(SERVICE_URI + "ESMedia(1)"); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); connection.setRequestMethod(HttpMethod.GET.name()); connection.setRequestProperty(HttpHeader.PREFER, "return=minimal"); connection.connect(); assertEquals(HttpStatusCode.BAD_REQUEST.getStatusCode(), connection.getResponseCode()); final String content = IOUtils.toString(connection.getErrorStream()); assertTrue(content.contains("The Prefer header 'return=minimal' is not supported for this HTTP Method.")); } @Test public void preferHeaderMinimal_PostMediaEntity() throws Exception { URL url = new URL(SERVICE_URI + "ESMedia"); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); connection.setRequestMethod(HttpMethod.POST.name()); connection.setRequestProperty(HttpHeader.PREFER, "return=minimal"); connection.setRequestProperty(HttpHeader.CONTENT_TYPE, "application/json"); connection.setRequestProperty(HttpHeader.ACCEPT, "application/json"); connection.connect(); assertEquals(HttpStatusCode.BAD_REQUEST.getStatusCode(), connection.getResponseCode()); final String content = IOUtils.toString(connection.getErrorStream()); assertTrue(content.contains("The Prefer header 'return=minimal' is not supported for this HTTP Method.")); } @Test public void preferHeaderRepresentation_PutMediaEntity() throws Exception { URL url = new URL(SERVICE_URI + "ESMedia(1)"); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); connection.setRequestMethod(HttpMethod.PUT.name()); connection.setRequestProperty(HttpHeader.PREFER, "return=representation"); connection.connect(); assertEquals(HttpStatusCode.BAD_REQUEST.getStatusCode(), connection.getResponseCode()); final String content = IOUtils.toString(connection.getErrorStream()); assertTrue(content .contains("The Prefer header 'return=representation' is not supported for this HTTP Method.")); } @Test public void preferHeaderRepresentation_Count() throws Exception { URL url = new URL(SERVICE_URI + "ESAllPrim/$count"); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); connection.setRequestMethod(HttpMethod.GET.name()); connection.setRequestProperty(HttpHeader.PREFER, "return=representation"); connection.connect(); assertEquals(HttpStatusCode.BAD_REQUEST.getStatusCode(), connection.getResponseCode()); final String content = IOUtils.toString(connection.getErrorStream()); assertTrue(content .contains("The Prefer header 'return=representation' is not supported for this HTTP Method.")); } @Test public void preferHeaderMinimal_UnboundFunction() throws Exception { URL url = new URL(SERVICE_URI + "FICRTETKeyNav()"); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); connection.setRequestMethod(HttpMethod.GET.name()); connection.setRequestProperty(HttpHeader.PREFER, "return=minimal"); connection.connect(); assertEquals(HttpStatusCode.BAD_REQUEST.getStatusCode(), connection.getResponseCode()); final String content = IOUtils.toString(connection.getErrorStream()); assertTrue(content.contains("The Prefer header 'return=minimal' is not supported for this HTTP Method.")); } @Test public void preferHeaderMinimal_Batch() throws Exception { InputStream content = Thread.currentThread().getContextClassLoader() .getResourceAsStream("basicBatchPost.batch"); final HttpURLConnection connection = postBatch(content, "batch_8194-cf13-1f56", 1, true); assertEquals(HttpStatusCode.BAD_REQUEST.getStatusCode(), connection.getResponseCode()); final String response = IOUtils.toString(connection.getErrorStream()); assertTrue(response.contains("The Prefer header 'return=minimal' is not supported for this HTTP Method.")); } private HttpURLConnection postBatch(final InputStream content, String batchBoundary, int sleepTime, boolean preferHeader) throws IOException { Map<String, String> headers = new HashMap<String, String>(); String contentTypeValue = ContentType.create(ContentType.MULTIPART_MIXED, "boundary", batchBoundary) .toContentTypeString(); headers.put(HttpHeader.CONTENT_TYPE, contentTypeValue); headers.put(HttpHeader.ACCEPT, "application/json"); if (sleepTime >= 0 && preferHeader) { headers.put(HttpHeader.PREFER, "respond-async; " + TechnicalAsyncService.TEC_ASYNC_SLEEP + "=" + String.valueOf(sleepTime)); } if (preferHeader) { headers.put(HttpHeader.PREFER, "return=minimal"); } StringHelper.Stream s = StringHelper.toStream(content); final URL url = new URL(SERVICE_URI + "$batch"); return postRequest(url, s.asString("utf-8"), headers); } private HttpURLConnection postRequest(final URL url, final String content, final Map<String, String> headers) throws IOException { final HttpURLConnection connection = (HttpURLConnection) url.openConnection(); connection.setRequestMethod(HttpMethod.POST.toString()); for (Map.Entry<String, String> header : headers.entrySet()) { connection.setRequestProperty(header.getKey(), header.getValue()); } connection.setDoOutput(true); final OutputStreamWriter writer = new OutputStreamWriter(connection.getOutputStream()); writer.append(content); writer.close(); connection.connect(); return connection; } @Test public void preferHeaderMinimal_InBatchPayload() throws Exception { InputStream content = Thread.currentThread().getContextClassLoader() .getResourceAsStream("basicBatchPostWithPreferHeader.batch"); final HttpURLConnection connection = postBatch(content, "batch_8194-cf13-1f56", 1, false); assertEquals(HttpStatusCode.OK.getStatusCode(), connection.getResponseCode()); StringHelper.Stream resultBody = StringHelper.toStream(connection.getInputStream()); String resBody = resultBody.asString(); assertTrue(resBody.contains("The Prefer header 'return=minimal' is not supported for this HTTP Method.")); } @Override protected ODataClient getClient() { return null; } }