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Generic Servlet Adapter of Katharsis JSON:API middleware library
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/*
* 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 io.katharsis.servlet.internal;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import io.katharsis.invoker.internal.KatharsisInvokerContext;
import io.katharsis.legacy.internal.RepositoryMethodParameterProvider;
/**
* Servlet API based {@link KatharsisInvokerContext} implementation.
*/
public class ServletKatharsisInvokerContext implements KatharsisInvokerContext {
private final ServletContext servletContext;
private final HttpServletRequest request;
private final HttpServletResponse response;
public ServletKatharsisInvokerContext(final ServletContext servletContext, final HttpServletRequest request,
final HttpServletResponse response) {
this.servletContext = servletContext;
this.request = request;
this.response = response;
}
@Override
public String getRequestHeader(String name) {
return request.getHeader(name);
}
@Override
public String getRequestPath() {
String path = request.getPathInfo();
// Serving with Filter, pathInfo can be null.
if (path == null) {
path = request.getRequestURI().substring(request.getContextPath().length());
}
return path;
}
@Override
public String getRequestMethod() {
return request.getMethod();
}
@Override
public String getRequestQueryString() {
return request.getQueryString();
}
@Override
public String [] getQueryParameterValues(String name) {
return request.getParameterValues(name);
}
@Override
public String getQueryParameter(String name) {
return request.getParameter(name);
}
@Override
public InputStream getRequestEntityStream() throws IOException {
return request.getInputStream();
}
@Override
public void setResponseStatus(int sc) {
response.setStatus(sc);
}
@Override
public void setResponseContentType(String type) {
response.setContentType(type);
}
@Override
public OutputStream getResponseOutputStream() throws IOException {
return response.getOutputStream();
}
@Override
public ServletContext getServletContext() {
return servletContext;
}
@Override
public HttpServletRequest getServletRequest() {
return request;
}
@Override
public HttpServletResponse getServletResponse() {
return response;
}
@Override
public RepositoryMethodParameterProvider getParameterProvider() {
return new ServletParametersProvider(servletContext, request, response);
}
}
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