cat.inspiracio.servlet.http.SetResponse Maven / Gradle / Ivy

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Dummy Servlet provides some implementations for the interfaces and classes of the Java Servlet spec that are useful for testing and simulation. Version 5.0.0 is for Servlet 5.0.0.
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/*
Copyright 2015 Alexander Bunkenburg

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 cat.inspiracio.servlet.http;

import java.io.IOException;
import java.io.PrintWriter;
import java.io.Reader;
import java.io.StringReader;
import java.io.StringWriter;
import java.io.UnsupportedEncodingException;
import java.nio.charset.StandardCharsets;
import java.util.HashMap;
import java.util.Map;

/** Response, for testing.
 * 
 * Buffer size == 8192.
 * */
public class SetResponse extends InitialHttpServletResponse {

	private static final int BUFFER_SIZE=8192;
	private static final String CRLF = "\r\n";
	private static final String SP = " ";
		
	// settable state --------------------------------------------
	
	/** collects the response body */
	private StringWriter body=new StringWriter();
	private PrintWriter writer=new PrintWriter(body);
	
	private int status;
	private String message;
	
	/** Map is an approximate implementation: real headers can be repeated. */
	private final Mapheaders=new HashMap();

	// construction -----------------------------------------------

	/** Make one. */
	public SetResponse(){}
	
	// business methods and their setters ---------------------------------
	
	/** Returns committed as if the buffer had size 8192. */
	@Override public boolean isCommitted(){
        String s=body.toString();
        byte[]bytes=s.getBytes(StandardCharsets.UTF_8);
        int length=bytes.length;
        return BUFFER_SIZEheader : headers.entrySet())
			builder.append(header.getKey()).append(":").append(header.getValue()).append(CRLF);
		//CRLF
		//builder.append(CRLF);
		//body
		
		return builder.toString();
	}

	// helpers --------------------------------------------------------------
	
	/** Some standard messages */
	private String message(int status){
		switch(status){
		case 100: return "Continue";
		case 101: return "Switching Protocols";
		case 102: return "Processing";
		
		case 200: return "OK";
		case 201: return "Created";
		case 202: return "Accepted";
		case 203: return "Non-Authoritative Information";
		case 204: return "No Content";
		case 205: return "Reset Content";
		case 206: return "Partial Content";
		case 207: return "Multi-Status";
		case 208: return "Already Reported";
		case 226: return "IM Used";
		
		case 300: return "Multiple Choices";
		case 301: return "Moved Permanently";	//deprecated: GET Location
		case 302: return "Found";				//deprecated: GET Location
		case 303: return "See Other";			//GET Location
		case 304: return "Not Modified";
		case 305: return "Use Proxy";
		case 306: return "Switch Proxy";		//deprecated
		case 307: return "Temporary Redirect";	//same method to Location
		case 308: return "Permanent Redirect";	//same method to Location
		
		case 400: return "Bad Request";
		case 401: return "Unauthorized";
		case 402: return "Payment Required";
		case 403: return "Forbidden";
		case 404: return "Not Found";
		case 405: return "Method Not Allowed";
		case 406: return "Not Acceptable";
		case 407: return "Proxy Authentication Required";
		case 408: return "Request Timeout";
		case 409: return "Conflict";
		case 410: return "Gone";
		case 411: return "Length Required";
		case 412: return "Precondition Failed";
		case 413: return "Payload Too Large";
		case 414: return "URI Too Long";
		case 415: return "Unsupported Media Type";
		case 416: return "Range Not Satisfiable";
		case 417: return "Expectation Failed";
		case 418: return "I'm a teapot";
		case 421: return "Misdirected Request";
		case 422: return "Unprocessable Entity";
		case 423: return "Locked";
		case 424: return "Failed Dependency";
		case 426: return "Upgrade Required";
		case 428: return "Precondition Required";
		case 429: return "Too Many Requests";
		case 431: return "Request Header Fields Too Large";
		case 451: return "Unavailable For Legal Reasons";
		
		case 500: return "Internal Server Error";
		case 501: return "Not Implemented";
		case 502: return "Bad Gateway";
		case 503: return "Service Unavailable";
		case 504: return "Gateway Timeout";
		case 505: return "HTTP Version Not Supported";
		case 506: return "Variant Also Negotiates";
		case 507: return "Insufficient Storage";
		case 508: return "Loop Detected";
		case 510: return "Not Extended";
		case 511: return "Network Authentication Required";
		
		default: return null;
		}
	}
}