Java tutorial
/** * Copyright 2016-2017 Sixt GmbH & Co. Autovermietung KG * Licensed 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 com.sixt.service.framework.servicetest.mockservice; import org.apache.commons.lang3.NotImplementedException; import org.apache.commons.lang3.StringUtils; import javax.servlet.*; import javax.servlet.http.*; import java.io.*; import java.net.Socket; import java.security.Principal; import java.util.*; import static com.google.common.net.HttpHeaders.CONTENT_TYPE; public class MockHttpServletRequest implements HttpServletRequest { protected Socket socket; protected InputStream inputStream; protected List<String> headers = new ArrayList<>(); protected byte[] postBody; public MockHttpServletRequest(Socket socket) throws IOException { this.socket = socket; parseRequest(); } private void parseRequest() throws IOException { inputStream = socket.getInputStream(); while (true) { String line = readLine(); if (StringUtils.isBlank(line)) { break; } headers.add(line); } String lengthStr = getHeader("content-length"); if (lengthStr != null) { int contentLength = Integer.valueOf(lengthStr); postBody = new byte[contentLength]; inputStream.read(postBody); } } // read a line and strip the \r\n private String readLine() throws IOException { StringBuilder sb = new StringBuilder(); while (true) { int b = inputStream.read(); if (b == '\n') { break; } sb.append((char) b); } return sb.toString().trim(); } @Override public String getHeader(String name) { String retval = null; for (String line : headers) { if (line.toLowerCase().startsWith(name.toLowerCase() + ":")) { retval = line; break; } } if (retval != null) { int index = retval.indexOf(':'); return retval.substring(index + 1).trim(); } return null; } @Override public Enumeration<String> getHeaders(String name) { Set<String> uniqueSet = new HashSet<>(); for (String line : headers) { if (line.toLowerCase().startsWith(name.toLowerCase() + ":")) { int index = line.indexOf(':'); uniqueSet.add(line.substring(index + 1).trim()); } } Vector<String> retval = new Vector<>(uniqueSet); return retval.elements(); } @Override public Enumeration<String> getHeaderNames() { Vector<String> retval = new Vector<>(); for (String line : headers) { int index = line.indexOf(':'); if (index != -1) { retval.add(line.substring(0, index).trim()); } } return retval.elements(); } @Override public ServletInputStream getInputStream() throws IOException { final ByteArrayInputStream stream = new ByteArrayInputStream(postBody); return new ServletInputStream() { @Override public boolean isFinished() { return false; } @Override public boolean isReady() { return false; } @Override public void setReadListener(ReadListener readListener) { } @Override public int read() throws IOException { return stream.read(); } }; } @Override public BufferedReader getReader() throws IOException { if (postBody == null) { return new BufferedReader(new StringReader("")); } else { return new BufferedReader(new InputStreamReader(new ByteArrayInputStream(postBody))); } } @Override public String getAuthType() { throw new NotImplementedException(""); } @Override public Cookie[] getCookies() { throw new NotImplementedException(""); } @Override public long getDateHeader(String name) { throw new NotImplementedException(""); } @Override public int getIntHeader(String name) { throw new NotImplementedException(""); } @Override public String getMethod() { throw new NotImplementedException(""); } @Override public String getPathInfo() { throw new NotImplementedException(""); } @Override public String getPathTranslated() { throw new NotImplementedException(""); } @Override public String getContextPath() { throw new NotImplementedException(""); } @Override public String getQueryString() { throw new NotImplementedException(""); } @Override public String getRemoteUser() { throw new NotImplementedException(""); } @Override public boolean isUserInRole(String role) { throw new NotImplementedException(""); } @Override public Principal getUserPrincipal() { throw new NotImplementedException(""); } @Override public String getRequestedSessionId() { throw new NotImplementedException(""); } @Override public String getRequestURI() { throw new NotImplementedException(""); } @Override public StringBuffer getRequestURL() { throw new NotImplementedException(""); } @Override public String getServletPath() { throw new NotImplementedException(""); } @Override public HttpSession getSession(boolean create) { throw new NotImplementedException(""); } @Override public HttpSession getSession() { throw new NotImplementedException(""); } @Override public String changeSessionId() { return null; } @Override public boolean isRequestedSessionIdValid() { throw new NotImplementedException(""); } @Override public boolean isRequestedSessionIdFromCookie() { throw new NotImplementedException(""); } @Override public boolean isRequestedSessionIdFromURL() { throw new NotImplementedException(""); } @Deprecated @Override public boolean isRequestedSessionIdFromUrl() { throw new NotImplementedException(""); } @Override public boolean authenticate(HttpServletResponse response) throws IOException, ServletException { return false; } @Override public void login(String username, String password) throws ServletException { } @Override public void logout() throws ServletException { } @Override public Collection<Part> getParts() throws IOException, ServletException { return null; } @Override public Part getPart(String name) throws IOException, ServletException { return null; } @Override public <T extends HttpUpgradeHandler> T upgrade(Class<T> handlerClass) throws IOException, ServletException { return null; } @Override public Object getAttribute(String name) { throw new NotImplementedException(""); } @Override public Enumeration<String> getAttributeNames() { throw new NotImplementedException(""); } @Override public String getCharacterEncoding() { throw new NotImplementedException(""); } @Override public void setCharacterEncoding(String env) throws UnsupportedEncodingException { throw new NotImplementedException(""); } @Override public int getContentLength() { throw new NotImplementedException(""); } @Override public long getContentLengthLong() { return 0; } @Override public String getContentType() { Enumeration<String> headers = getHeaders(CONTENT_TYPE); if (!headers.hasMoreElements()) { return null; } return headers.nextElement(); } @Override public String getParameter(String name) { throw new NotImplementedException(""); } @Override public Enumeration<String> getParameterNames() { throw new NotImplementedException(""); } @Override public String[] getParameterValues(String name) { throw new NotImplementedException(""); } @Override public Map<String, String[]> getParameterMap() { throw new NotImplementedException(""); } @Override public String getProtocol() { throw new NotImplementedException(""); } @Override public String getScheme() { throw new NotImplementedException(""); } @Override public String getServerName() { throw new NotImplementedException(""); } @Override public int getServerPort() { throw new NotImplementedException(""); } @Override public String getRemoteAddr() { throw new NotImplementedException(""); } @Override public String getRemoteHost() { throw new NotImplementedException(""); } @Override public void setAttribute(String name, Object o) { throw new NotImplementedException(""); } @Override public void removeAttribute(String name) { throw new NotImplementedException(""); } @Override public Locale getLocale() { throw new NotImplementedException(""); } @Override public Enumeration<Locale> getLocales() { throw new NotImplementedException(""); } @Override public boolean isSecure() { throw new NotImplementedException(""); } @Override public RequestDispatcher getRequestDispatcher(String path) { throw new NotImplementedException(""); } @Deprecated @Override public String getRealPath(String path) { throw new NotImplementedException(""); } @Override public int getRemotePort() { throw new NotImplementedException(""); } @Override public String getLocalName() { throw new NotImplementedException(""); } @Override public String getLocalAddr() { throw new NotImplementedException(""); } @Override public int getLocalPort() { throw new NotImplementedException(""); } @Override public ServletContext getServletContext() { return null; } @Override public AsyncContext startAsync() throws IllegalStateException { return null; } @Override public AsyncContext startAsync(ServletRequest servletRequest, ServletResponse servletResponse) throws IllegalStateException { return null; } @Override public boolean isAsyncStarted() { return false; } @Override public boolean isAsyncSupported() { return false; } @Override public AsyncContext getAsyncContext() { return null; } @Override public DispatcherType getDispatcherType() { return null; } }