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; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.io.InputStream; import javax.ws.rs.Consumes; import javax.ws.rs.DELETE; import javax.ws.rs.DefaultValue; import javax.ws.rs.GET; import javax.ws.rs.HeaderParam; import javax.ws.rs.POST; import javax.ws.rs.PUT; import javax.ws.rs.Path; import javax.ws.rs.PathParam; import javax.ws.rs.Produces; import javax.ws.rs.QueryParam; import javax.ws.rs.core.Context; import javax.ws.rs.core.MediaType; import javax.ws.rs.core.Response; import javax.ws.rs.core.UriInfo; import org.apache.commons.io.IOUtils; import org.apache.commons.lang3.StringUtils; import org.apache.olingo.fit.methods.PATCH; import org.apache.olingo.fit.utils.Constants; import org.springframework.stereotype.Service; @Service @Path("/V40/KeyAsSegment.svc") public class KeyAsSegment extends Services { public KeyAsSegment() throws IOException { super(); } private Response replaceServiceName(final Response response) { try { final String content = IOUtils.toString((InputStream) response.getEntity(), Constants.ENCODING) .replaceAll("Static\\.svc", "KeyAsSegment.svc"); final Response.ResponseBuilder builder = Response.status(response.getStatus()); for (String headerName : response.getHeaders().keySet()) { for (Object headerValue : response.getHeaders().get(headerName)) { builder.header(headerName, headerValue); } } final InputStream toBeStreamedBack = IOUtils.toInputStream(content, Constants.ENCODING); final ByteArrayOutputStream baos = new ByteArrayOutputStream(); IOUtils.copy(toBeStreamedBack, baos); IOUtils.closeQuietly(toBeStreamedBack); builder.header("Content-Length", baos.size()); builder.entity(new ByteArrayInputStream(baos.toByteArray())); return builder.build(); } catch (Exception e) { return response; } } @GET @Path("/{entitySetName}/{entityId}") @Override public Response getEntity(@Context final UriInfo uriInfo, @HeaderParam("Accept") @DefaultValue(StringUtils.EMPTY) final String accept, @PathParam("entitySetName") final String entitySetName, @PathParam("entityId") final String entityId, @QueryParam("$format") @DefaultValue(StringUtils.EMPTY) final String format, @QueryParam("$expand") @DefaultValue(StringUtils.EMPTY) final String expand, @QueryParam("$select") @DefaultValue(StringUtils.EMPTY) final String select) { return replaceServiceName(super.getEntityInternal(uriInfo.getRequestUri().toASCIIString(), accept, entitySetName, entityId, format, expand, select)); } @DELETE @Path("/{entitySetName}/{entityId}") @Override public Response removeEntity(@PathParam("entitySetName") final String entitySetName, @PathParam("entityId") final String entityId) { return replaceServiceName(super.removeEntity(entitySetName, entityId)); } @PATCH @Path("/{entitySetName}/{entityId}") @Produces({ MediaType.APPLICATION_XML, MediaType.APPLICATION_ATOM_XML, MediaType.APPLICATION_JSON }) @Consumes({ MediaType.APPLICATION_ATOM_XML, MediaType.APPLICATION_JSON }) @Override public Response patchEntity(@Context final UriInfo uriInfo, @HeaderParam("Accept") @DefaultValue(StringUtils.EMPTY) final String accept, @HeaderParam("Content-Type") @DefaultValue(StringUtils.EMPTY) final String contentType, @HeaderParam("Prefer") @DefaultValue(StringUtils.EMPTY) final String prefer, @HeaderParam("If-Match") @DefaultValue(StringUtils.EMPTY) final String ifMatch, @PathParam("entitySetName") final String entitySetName, @PathParam("entityId") final String entityId, final String changes) { return replaceServiceName( super.patchEntity(uriInfo, accept, contentType, prefer, ifMatch, entitySetName, entityId, changes)); } @PUT @Path("/{entitySetName}/{entityId}") @Produces({ MediaType.APPLICATION_XML, MediaType.APPLICATION_ATOM_XML, MediaType.APPLICATION_JSON }) @Consumes({ MediaType.APPLICATION_ATOM_XML, MediaType.APPLICATION_JSON }) public Response putNewEntity(@Context final UriInfo uriInfo, @HeaderParam("Accept") @DefaultValue(StringUtils.EMPTY) final String accept, @HeaderParam("Content-Type") @DefaultValue(StringUtils.EMPTY) final String contentType, @HeaderParam("Prefer") @DefaultValue(StringUtils.EMPTY) final String prefer, @PathParam("entitySetName") final String entitySetName, @PathParam("entityId") final String entityId, final String entity) { return replaceServiceName( super.replaceEntity(uriInfo, accept, contentType, prefer, entitySetName, entityId, entity)); } @POST @Path("/{entitySetName}") @Produces({ MediaType.APPLICATION_XML, MediaType.APPLICATION_ATOM_XML, MediaType.APPLICATION_JSON }) @Consumes({ MediaType.APPLICATION_ATOM_XML, MediaType.APPLICATION_JSON, MediaType.APPLICATION_OCTET_STREAM }) @Override public Response postNewEntity(@Context final UriInfo uriInfo, @HeaderParam("Accept") @DefaultValue(StringUtils.EMPTY) final String accept, @HeaderParam("Content-Type") @DefaultValue(StringUtils.EMPTY) final String contentType, @HeaderParam("Prefer") @DefaultValue(StringUtils.EMPTY) final String prefer, @PathParam("entitySetName") final String entitySetName, final String entity) { return replaceServiceName(super.postNewEntity(uriInfo, accept, contentType, prefer, entitySetName, entity)); } }