content: /*
   * 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.camel.quarkus.component.jslt.it;
  
  import java.io.ByteArrayInputStream;
  import java.io.IOException;
  import java.io.InputStream;
  import java.nio.charset.StandardCharsets;
  import java.util.HashMap;
  import java.util.Map;
  
  import jakarta.enterprise.context.ApplicationScoped;
  import jakarta.inject.Inject;
  import jakarta.ws.rs.Consumes;
  import jakarta.ws.rs.GET;
  import jakarta.ws.rs.Path;
  import jakarta.ws.rs.Produces;
  import jakarta.ws.rs.core.MediaType;
  import org.apache.camel.CamelExecutionException;
  import org.apache.camel.Exchange;
  import org.apache.camel.ProducerTemplate;
  import org.apache.camel.component.jslt.JsltConstants;
  import org.jboss.logging.Logger;
  
  import static java.util.Collections.singletonMap;
  
  @Path("/jslt")
  @ApplicationScoped
  public class JsltResource {
  
      private static final Logger LOG = Logger.getLogger(JsltResource.class);
  
      @Inject
      ProducerTemplate template;
  
      @Path("/transformInputStream")
      @GET
      @Consumes(MediaType.TEXT_PLAIN)
      @Produces(MediaType.TEXT_PLAIN)
      public String transformInputStream(String input) throws IOException {
          LOG.debugf("Invoking transformInputStream(%s)", input);
          try (InputStream is = new ByteArrayInputStream(input.getBytes(StandardCharsets.UTF_8))) {
              return template.requestBody("jslt:demoPlayground/transformation.json", is, String.class);
          }
      }
  
      @Path("/transformInvalidBody")
      @GET
      @Produces(MediaType.TEXT_PLAIN)
      public String transformInvalidBody() {
          LOG.debugf("Invoking transformInvalidBody()");
          try {
              template.requestBody("jslt:demoPlayground/transformation.json", 4, String.class);
          } catch (CamelExecutionException vex) {
              return vex.getCause().getMessage();
          }
          return null;
      }
  
      @Path("/transformString")
      @GET
      @Consumes(MediaType.TEXT_PLAIN)
      @Produces(MediaType.TEXT_PLAIN)
      public String transformString(String input) {
          LOG.debugf("Invoking transformString(%s)", input);
          return template.requestBody("jslt:demoPlayground/transformation.json", input, String.class);
      }
  
      @Path("/transformFromHeaderWithPrettyPrint")
      @GET
      @Consumes(MediaType.TEXT_PLAIN)
      @Produces(MediaType.TEXT_PLAIN)
      public String transformFromHeaderWithPrettyPrint(String input) throws IOException {
          LOG.debugf("Invoking transformFromHeaderWithPrettyPrint(%s)", input);
          Map<String, Object> headers = singletonMap(JsltConstants.HEADER_JSLT_RESOURCE_URI,
                  "demoPlayground/transformation.json");
          try (InputStream is = new ByteArrayInputStream(input.getBytes(StandardCharsets.UTF_8))) {
              String uri = "jslt:demoPlayground/transformation.json?prettyPrint=true&allowTemplateFromHeader=true";
              return template.requestBodyAndHeaders(uri, is, headers, String.class);
          }
      }
  
      @Path("/transformInputStreamWithFilter")
      @GET
      @Consumes(MediaType.TEXT_PLAIN)
      @Produces(MediaType.TEXT_PLAIN)
      public String transformInputStreamWithFilter(String input) throws IOException {
          LOG.debugf("Invoking transformInputStreamWithFilter(%s)", input);
          try (InputStream is = new ByteArrayInputStream(input.getBytes(StandardCharsets.UTF_8))) {
              String uri = "jsltWithFilter:objectFilter/transformation.json";
              return template.requestBody(uri, is, String.class);
          }
      }
  
      @Path("/transformInputStreamWithVariables")
      @GET
      @Consumes(MediaType.TEXT_PLAIN)
      @Produces(MediaType.TEXT_PLAIN)
      public String transformInputStreamWithVariables(String input) throws IOException {
          LOG.debugf("Invoking transformInputStreamWithVariables(%s)", input);
  
          Map<String, Object> headers = new HashMap<>();
          headers.put("published", "2020-05-26T16:00:00+02:00");
          headers.put("type", "Controller");
          // infinite recursion value that cannot be serialized by camel-jslt
          headers.put("infinite", JsltConfiguration.createInfiniteRecursionObject());
  
          try (InputStream is = new ByteArrayInputStream(input.getBytes(StandardCharsets.UTF_8))) {
              String uri = "jslt:withVariables/transformation.json";
              return template.requestBodyAndHeaders(uri, is, headers, String.class);
          }
      }
  
      @Path("/transformInputStreamWithVariablesAndProperties")
      @GET
      @Consumes(MediaType.TEXT_PLAIN)
      @Produces(MediaType.TEXT_PLAIN)
      public String transformInputStreamWithVariablesAndProperties(String input) throws IOException {
          LOG.debugf("Invoking transformInputStreamWithVariablesAndProperties(%s)", input);
  
          try (InputStream is = new ByteArrayInputStream(input.getBytes(StandardCharsets.UTF_8))) {
              String uri = "jslt:withVariables/transformationWithProperties.json?allowContextMapAll=true";
  
              Exchange ex = template.request(uri, e -> {
                  e.getMessage().setBody(is);
                  e.getMessage().setHeader("published", "2020-05-26T16:00:00+02:00");
                  e.getMessage().setHeader("type", "Controller");
                  e.setProperty("infinite", JsltConfiguration.createInfiniteRecursionObject());
                  e.setProperty("instance", "559e934f-b32b-47ab-8327-bd50e2bdc029");
              });
              return ex.getMessage().getBody(String.class);
          }
      }
  
      @Path("/transformWithFunction")
      @GET
      @Produces(MediaType.TEXT_PLAIN)
      public String transformWithFunction() {
          LOG.debugf("Invoking transformWithFunction()");
          Map<String, Object> headers = singletonMap(JsltConstants.HEADER_JSLT_STRING, "power(2, 10)");
          return template.requestBodyAndHeaders("jsltWithFunction:dummy", "{}", headers, String.class);
      }
  }
  