It is not a good idea to use the HTTP Accept-Language header alone to determine the locale of the user. Basically you have to create a properly set up SSLSocketFactory to establish an authenticated connection. java Java - How to post XML request using HttpURLConnection | BORAJI. Instead, end the URL after the ID of the data provider and use the "query" element of the XML to get the SQL. There is Java API that will parseHTML so that you end up with text instead of a gigabyte of html. HttpURLConnection use steps. A connected HttpsURLConnection allows access to the negotiated cipher suite, the server certificate chain, and the client certificate chain if any. then the preceding query would load it into the dataset csv_set. A URLConnection with support for HTTP-specific features. CLI client will make an HTTP request to the top page of Jenkins, looking for this header. Java URLConnection class. Here, we are going to use simple HttpURLConnection to do. java return null; } /** * Sets an arbitrary default request header. HttpURLConnection is a subclass of. Sign in to bungie. net's Http support). Prepare the request. proxyHost=myproxyserver. 3), response-header (section 6. Instead, end the URL after the ID of the data provider and use the "query" element of the XML to get the SQL. For compatibility with the most web servers, set the cookie version to 0. Any headers you set to enable you to do input *must* be set before the connection occurs. HttpURLConnection import, provides a single instance to connect to the URL specified. It introduces a number of changes and updates that may affect your integration. AndroidでHTTP通信するときの手段についてまとめておきます。 サーバー側の流行やプログラミングのパラダイム変化によって今後もどんどん新しい、便利なライブラリが出てくるでしょう。 Apache系(Apache HttpClient,DefaultHttpClient. 3: No; defaults to Apache Ant VERSION: tryGzipEncoding: When set to true, Ant will tell the server it is willing to accept gzip encoding to reduce the amount of data to transfer and uncompress the content transparently. Obtain a new HttpURLConnection by calling URL. * @return true if all goes well, false if no headers were set. URLConnection. String fileLength = conn. Java provides a subclass of URLConnection that provides support for HTTP connections. HttpURLConnection. Also doesn't work this code too. JD 914P 7 belt pickup header. HttpURLConnection를 이용한 쿠키(Cookie), 세션(Session) 사용 개발 환경 Java : Java OpenJDK 8 IDE : STS4 (Spring Tool Suite 4) Server Platform : Spring boot http 통신 방법 stateless(=connectionless). Your votes will be used in our system to get more good examples. 1033 */ 1034 boolean inNegotiate = false; 1035 boolean. In this tutorial, we have created a GET and a POST request in Java with HttpURLConnection and standard Java and Apache HttpClient. Prepare the request. Map; import java. You can use HttpURLConnection for sending get/post request in java. Using two real http request example, 1. To make this sample code running on android, you just have to create two files, an activity class MainActivity. Call setRequestProperty() method on HttpURLConnection instance to set request header values, such as "User-Agent" and "Accept-Language" etc. If one is not provided in headers , a Content-Length header is added automatically for all methods if the length of the body can be determined, either from the length of the str representation, or from the reported size of the file on disk. public class HttpURLConnection extends java. Retrieving the header was easy I got stuck when setting the header to an HttpURLConnection. 153 * Additionally, any header starting with Sec- is 154 * disallowed. This article illustrated various ways to set up and use basic authentication with the Apache HttpClient 4. 27: 웹사이트의 내용을 긁어오는 Webspider (0) 2011. The server side doesn't receive any request with my header. URLConnection and java. How to use HttpURLConnection POST data to web server? Here is one sample public static String excutePost(String targetURL, String urlParameters). You can use HttpURLConnection for sending get/post request in java. To read an HttpURLConnection's InputStream line by line, just like what you do reading a file using a FileReader, you can use the InputStreamReader class as parameter to the BufferedReader class and do the same code you do for reading a file line by line. The API is relatively straight forward. Calls connect() if not connected. Returns the content encoding type specified by the response header field content-encoding or null if this field is not set. protected HttpURLConnection setupConnection(URL u, String method, HTTPSampleResult res) throws IOException Returns an HttpURLConnection fully ready to attempt connection. Azure Storage client library for JavaScript - Blob. In another tutorial, we saw that Basic authentication relies on a Base64 encoded 'Authorization' header whose value consists of the word 'Basic' followed by a space followed by the Base64 encoded name:password. This issue makes it nearly impossible to use HttpUrlConnection support with j2objc, at least for me. Its simple API and small size makes it great fit for Android. I have a server that uses User Agent header to identify the device that is connecting to it. Azure Blob storage is Microsoft's object storage solution for the cloud. The methods of setting the headers and status code that we've already discussed assume that you're using "implicit headers". Name Type Description Default Example Values; biotype String: Functional classification of the gene or transcript to fetch. Introduction. Headers allows you to specify HTTP Header Fields, as value-pairs. Prepare the request. There is Java API that will parseHTML so that you end up with text instead of a gigabyte of html. Android系统提供了两种HTTP通信类,HttpURLConnection和HttpClient。 关于HttpURLConnection和HttpClient的选择官方博客 尽管Google在大部分安卓版本中推荐使用HttpURLConnection,但是这个类相比HttpClient实在是太难用,太弱爆了。. 27: 웹사이트의 내용을 긁어오는 Webspider (0) 2011. October 23rd, 2009 admin Posted in Java | import java. The request infos are saved into the sample result if one is provided. getHeaderField(“Content-Length”);. Once you have created this account, go to YouTube and login with your new Google Account. A URLConnection with support for HTTP-specific features. Set DEBUG for. Have a look at the below code,which might help you. The call can be made via HTTP POST or GET (and JSONP is supported). See HttpURLConnection and NTLMAuthentication. 1 of RFC 822. Software should be oriented towards the inevitable dominance of a better future, and thus I built the mechanics of this new toy to be dependent on HttpURLConnection, as advised in the Android developer blog:. 1, uses this if you dare :) Generally, it’s NOT recommend to use this class, because the codebase is very old and outdated, it may not supports the new HTTP/2 standard, in fact, it’s really difficult to configure and use this class. In this Java network programming tutorial, you will learn how to use the URLConnection and HttpURLConnection classes for developing Java programs that communicate to a server via URLs (mostly using HTTP protocol). Scroll down for code samples, example requests and responses. I can't really se how I would do this with HttpURLConnection. HTTP JOB step has problems building the Authorization HTTP header complaining of Illegal character(s) in message header value: Basic blah blah. On this object set the request method Type (e. Unfortunately the JDK loses the original exception and raises a new IOException, so it's pretty impossible to tell what goes wrong inside the JDK on the machines where this fails. 5 for example). Calls connect() if not connected. bankRef - reference that uniquely identities a set of connections as being part of the same institution (e. can set request headers. This class can be used to replace the HttpClient in the JDK with this HTTPClient by defining the property java. Your votes will be used in our system to get more good examples. You can use HttpURLConnection for sending get/post request in java. If the server allows the origin, the server includes an Access-Control-Allow-Origin header with a list of allowed origins or an asterisk (*) in the response back to the client. Which client is best? Apache HTTP client has fewer bugs on Eclair and Froyo. Shotgun REST API v1. 13, "How to set HTTP headers when sending a web service request. net and visit the API registration portal. 1442 * 1443 * inNegotiateProxy is for proxy authentication. This means it sets the request method (GET or POST), headers, cookies, and authorization for the URL request. JavaでHTTP接続が必要になったので、HttpURLConnectionを使おうと思ったのですが、 connect timeoutとread timeoutの意味がよくわからなかったので調べました。 調べた環境はjdk1. You can use the transaction code SE16 to view the data in this table, and SE11 TCode for the table structure and definition. getHeaderFieldKey in class HttpURLConnection Parameters: n - the index of the header field Returns: the key for the n th header field, or null if the key does not exist. An API to unlock the potential of SEPA Direct Debits Negotiate eMandates in minutes and set up their payment at the same time. Hi List, I'm having a problem executing Maven2 builds that download their dependencies from repository that requires authentication (Artifactory 2. Request headers may also include metadata such as credentials, preferred content types, and session cookies. Hello Android/Java coders! So I recently got some weird errors when doing HTTP requests in my Android game Hamster Climb. Herding HTTP Requests, or Why Your Keep-Alive Connection May Already Be Dead One of the more expensive things you can do on Android, or mobile in general, is sending and receiving data over a mobile network connection. The system needs to pass on header fields from the original request. If you haven't already verified the email address associated with your bungie. setProtocolHeadersInConnection(HttpURLConnection connection) Set content type and protocol headers (Message. Let * HttpURLConnection parse the mime header itself. public abstract class HttpURLConnection extends URLConnection. Java HTTP Servlet to be used as a bridge between a Web APP and Oracle BI Server when using OBIEE SOAP API for integration scenarios. This parameter has to be set to send the request body in JSON format. It is used to group a set of connections by the banking institution they refer to. Each HttpURLConnection instance is used to make a single request but the underlying network connection to the HTTP server may be transparently shared by other instances. This document describes all the available API calls for ImageResizer. Can I modify the headers that HttpURLConnection produce at all?. HTTP JOB step has problems building the Authorization HTTP header complaining of Illegal character(s) in message header value: Basic blah blah. URLConnection. User-Agent HTTP header to send. In the sample code, AllowAutoRedirect is set to false. Android HttpURLConnection with AsyncTask Tutorial I personally set the last two types to Void because I call my own custom callback // OPTIONAL - Sets an authorization header urlConnection. This parameter has to be set to send the request body in JSON format. It is better to use HttpURLConnection directly for getting json data from server. [1] Chunked transfer encoding is not supported in HTTP/2 , which provides its own mechanisms for data streaming. We use cookies to ensure that we give you the best experience on our website. Beschreibung Die Klasse HttpURLConnection ist eine Spezialisierung der URLConnection, die besonders auf HTTP-Verbindungen abgestimmt ist. The primary property of a request is its URI. URLConnection Class Represents the connection (not the URL itself). Have a look at the below code,which might help you. split method to split a string by dot? How to validate URL in Java?. Call openConnection() method on URL object that returns instance of HttpURLConnection; Set the request method in HttpURLConnection instance, default value is GET. You should be able to add headers, set the method, the URI, and then launch the request. A URLConnection with support for HTTP-specific features. HttpURLConnection use steps. Java SSL handshake with Server Name Identification (SNI) SNI (Server Name Indication) was an extension added to TLS, to support multiple digital certificates per host name on a single IP. import requests headers /templates/dashboards"); HttpURLConnection con = (HttpURLConnection Attempts to enforce the set of widgets on a dashboard based on the. And it works only for "http" connections. HttpURLConnection. If you need to add headers to your request you can simply do so by calling the function setREquestProperty() and passing the header name as the first key and value as the second key. Call setRequestProperty() method on HttpURLConnection instance to set request header values, such as "User-Agent" and "Accept-Language" etc. 0 after the access to the class, and class HurlStack, is the abbreviation of URL H (TTP), so this kind of, in fact is based on the realization of HttpUrlConnection, the steps are as follows:. By setting the Request Header "Accept" to "gzip", we are telling to the server that we want the response to be compressed if possible with the GZIP compression scheme. Name Type Description Default Example Values; biotype String: Functional classification of the gene or transcript to fetch. The contents are as set by the tags in the. So, for example, HttpClient has helper classes that help you deal with spinning off a worker thread and doing all the waiting on HTTP there; it is designed to work well asynchronously. Following is a simple example to get Accept-Language request header value. The token store auth method is used to authenticate using tokens. Which client is best? Apache HTTP client has fewer bugs on Eclair and Froyo. Il codice seguente mostra come seguire redirect 3xx. HttpURLConnection class to send http request and get http server response in android application. Image Resizer API v1. And it works only for "http" connections. Its simple API and small size makes it great fit for Android. A URLConnection with support for HTTP-specific features. HttpURLConnectionを利用してPATCHリクエストを投げる方法はあるでしょうか。 JavaからPATCHリクエストを送るにはApache HttpClientを使うのが正攻法なのかなとは思うのですが、依存するライブラリを極力少なくしたい思いがありまして・・・。. ここでは HttpURLConnection#getHeaderFields メソッドを使っていますが、 これは Java 1. Prepare the request. The benefit of doing it is that we would be able to harness the properties of the HttpURLConnection class to validate features. URLConnection and java. bankRef - reference that uniquely identities a set of connections as being part of the same institution (e. Hello Where I installed it on Android Oreo's device The transmission result of WebService has changed. A connected HttpsURLConnection allows access to the negotiated cipher suite, the server certificate chain, and the client certificate chain if any. Next, we can let the user enter the location to query, so we can query lots of places without changing the source! Also, change the query to select item , which contains lots of interesting information about the weather in the selected location. HttpURLConnection over HTTPS Posted by horatiucd on March 22, 2010 In a nutshell, one of the projects I have been working for the last couple of months has a client-server architecture that involves an Android client and an enterprise SOAP Web Service. Il codice seguente mostra come seguire redirect 3xx. I used the statement. setRequestProperty("X-HTTP-Method-Override", "PATCH"); conn. Adding WSSE Security headers in SOAP request before making backend call Scenario: I am currently developing a reverse proxy type API which would accept request in the JSON format and then make a backend call to the SOAP service hosted on public url. Com * @see HttpURLConnectionFactory */ public final class URLConnectionClientHandler extends TerminatingClientHandler {/** * A value of "true" declares that the client will try * to set unsupported HTTP method to HttpURLConnection via reflection. parentRef - this property is now deprecated. The default is that the User-Agent header is set to DEFAULT_USER_AGENT. bankRef - reference that uniquely identities a set of connections as being part of the same institution (e. Prepare the request. URL; import java. This header can be used in a POST request to "fake" other HTTP methods. I get the Exception Cannot set request property after connection is made while trying to load cookies back into the request. From Amazon, no. Attendees; CalendarContract. setRequestProperty("X-HTTP-Method-Override", "PATCH"); conn. HttpURLConnection. Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, PHP, Python, Bootstrap, Java and XML. HttpURLConnection; import java. This means it sets the request method (GET or POST), headers, cookies, and authorization for the URL request. wire - for all HTTP data This will be very verbose output, make sure you have enough disk space for the logs; SSL Debug. The chunked keyword in the Transfer-Encoding header is used to indicate chunked transfer. The debug shows that the header is null before I add my own cookie header, and it logs as it should be after I set it. Here we focus on bulk Insert of items in SharePoint at a time. public abstract class HttpURLConnection auto - The value to set Answers defaultValue if no such field can be found in the response header. The RestTemplate offers templates for common scenarios by HTTP method, in addition to the generalized exchange and execute methods that support of less frequent cases. knightwatch 3天前 3天前. as the status line returned by the HTTP server. More control than URL can write to the connection (send POST data). You can click to vote up the examples that are useful to you. It will cause the HTTP client to disable connection reuse, which would otherwise make issuing new HTTP requests slightly faster. // Set some headers to inform server about the type of the content. Android retrofit tutorial to send http post request. I can get login to salesforce but can't perform any query, using wsc library. It is better to use HttpURLConnection directly for getting json data from server. This issue makes it nearly impossible to use HttpUrlConnection support with j2objc, at least for me. URLConnection. To make this sample code running on android, you just have to create two files, an activity class MainActivity. Have a look at the below code,which might help you. I need to retrieve some json data from web service, specifically FCM, but I can't find how to do that with and authorization header. As long as we set all the parameters correctly, the server will accept and process the message-posting HTTP request. From Amazon, no. Obtain a new HttpURLConnection by calling URL#openConnection() and casting the result to HttpURLConnection. As well as writing the request response as row data, tHttpRequest may also write the response to a file. The 's' character has been replaced again. Optionally upload a request body. This article illustrated various ways to set up and use basic authentication with the Apache HttpClient 4. You might also be interested in the following related tutorials: Python Requests tutorial, Jsoup tutorial, Java tutorial, Reading a web page in Java, or Introduction to Google Guava. 0 after the access to the class, and class HurlStack, is the abbreviation of URL H (TTP), so this kind of, in fact is based on the realization of HttpUrlConnection, the steps are as follows:. The headers argument should be a mapping of extra HTTP headers to send with the request. Re: connection reset errors Kees Jan Koster wrote: > Dear André, > >> Assuming that your client is really connecting to that HTTP connector on port 8080 mentioned above. return false; } // You use the cookie string as originally set in the Set-cookie header // field as the string value of this cookie. There are many times when you need to send http get or post request. Example #3: Set Client’s HTTP Request Header Fields Use the setRequestProperty(String key, String value) method of the URLConnection class to set header fields for the request. String fileLength = conn. To add a User-Agent header to your request, you must use the setRequestProperty() method of the HttpURLConnection object. You can vote up the examples you like. 3: No; defaults to Apache Ant VERSION: tryGzipEncoding: When set to true, Ant will tell the server it is willing to accept gzip encoding to reduce the amount of data to transfer and uncompress the content transparently. Set up for single point hookup. - OBIEEHttpServletBridge. Source API Key. Originally I was using add_header X-SSL-Client-Cert in the server block, which did not throw a 400, but my upstream app was not seeing the header. * * < p >For example, to perform an upload: < pre > {@code * HttpURLConnection urlConnection = (HttpURLConnection) url. 3), response-header (section 6. * HttpURLConnection} will be forced to buffer the complete request body in * memory before it is transmitted, wasting (and possibly exhausting) heap and * increasing latency. I plan to send it using the POST method however, in order to enclose the document in the request I need to set the Entity-Headers. When you set up an API key application in our accounts portal, you provide some constraints limiting where it can be used - from particular origins and IP addresses, for instance. PLUS REST API v1. Rose Rocket Platform REST API v1. Proxies and SOCKS: Full support (SOCKS: Version 4 only). HTTP JOB step has problems building the Authorization HTTP header complaining of Illegal character(s) in message header value: Basic blah blah. The default is that the User-Agent header is set to DEFAULT_USER_AGENT. Here we focus on bulk Insert of items in SharePoint at a time. HttpURLConnection클래스로 웹페이지 POST 요청하기 (2) 2011. openConnection(); // Set the header con. Gets header name of the n-th header. Like any HTTP request, a REST request to PC*MILER API Server contains a request method, a URI, request headers, and a query string or request body. void: setProxyAuthorization(String authorization) void: writeSessionCookies(Map sessionCookies) Write cookie header from given session cookies. Also doesn't work this code too. See the spec for details. I will be reusing the code written for jaxrs xml example. Request headers may also include metadata such as credentials, preferred content types, and session cookies. A question regarding ResponseHeaderUtil. Let * HttpURLConnection parse the mime header itself. Call openConnection() method on URL object that returns instance of HttpURLConnection; Set the request method in HttpURLConnection instance, default value is GET. You can set the system property at application startup and leave it set for the duration of your application's execution. There is Java API that will parseHTML so that you end up with text instead of a gigabyte of html. HttpURLConnection class to send out a SOAP XML message. The primary property of a request is its URI. The OneAgent SDK for Android enables you to create custom user actions, measure web requests, report errors, and tag specific users. PasswordAuthentication; import. For compatibility with the most web servers, set the cookie version to 0. You obtain an HttpURLConnection in the same way just shown, by calling openConnection( ) on a URL object, but you must cast the result to HttpURLConnection. Further investigation reveals that the Sun engine, given the following set of commands: conn. since Ant 1. * HttpURLConnection} will be forced to buffer the complete request body in * memory before it is transmitted, wasting (and possibly exhausting) heap and * increasing latency. When calls from a web application to our API include the API key and satisfy these criteria, the calls are authenticated. Some of the headers are locked by the java library for "security" reasons and the behavior is that the library will just silently fail to set them. Just create a URL object and you are ready to go. The clients who want to access the protected resources, should send Authorization request header with an encoded (Base64) user/password value:. For a particular api request, the server returns Last-Modified header in the response header. java return null; } /** * Sets an arbitrary default request header. When setting the headers on a response, the case is insensitive on their names. Introduction. In another tutorial, we saw that Basic authentication relies on a Base64 encoded 'Authorization' header whose value consists of the word 'Basic' followed by a space followed by the Base64 encoded name:password. Removing some of the headers (which ones seems random, but leaving only the User-Agent line seems to work) will cause the program to work as expected (custom headers set and POST data included in the packet) ERROR MESSAGES/STACK TRACES THAT OCCUR : No compilation or runtime errors. 1 October 2004 Character set The US-ASCII character set [9], excluding NUL, is used for the definition of meta-variables, header fields and CHAR values; TEXT values use ISO-8859-1. setRequestProperty public void setRequestProperty(java. On google results pages, yes. Note that you will need a secure way to configure the Earthdata Login username and password. The "*" means the request can come from any domain - this is the way to set this header if you want to make your REST API public where everyone can access it Access-Control-Allow-Methods header to the response (line 20), which indicates that GET, POST, DELETE, PUT methods are allowed when accessing the resource. Working Subscribe Subscribed Unsubscribe 3. This article will tell you how to use java. It allow you to specify the starting byte and ending byte of the requested stream. Returns: the header name, or null if not that many headers. edu (Access Gateway 3. HttpURLConnection 클래스를 이용한 Post 방식은 간단했다. The method openConnection is called to create a new instance of a connection, but there is no connection actually made at this point. HttpURLConnection. This means it sets the request method (GET or POST), headers, cookies, and authorization for the URL request. net and visit the API registration portal. HttpURLConnection misses methods to set query parameters. Its simple API and small size makes it great fit for Android. 3: No; defaults to Apache Ant VERSION: tryGzipEncoding: When set to true, Ant will tell the server it is willing to accept gzip encoding to reduce the amount of data to transfer and uncompress the content transparently. I'm not sure what you are doing but the HttpURLConnection object lets you set headers, you can get a HttpURLConnection by something like this:. This site uses cookies for analytics, personalized content and ads. // Set some headers to inform server about the type of the content. When setting the headers on a response, the case is insensitive on their names. This is what I tried: URL url = new URL(targetURL); HttpURLConnection con = (HttpURLConnection) url. Returns the content encoding type specified by the response header field content-encoding or null if this field is not set. Set “content-type” request header to “application/json” to send the request content in JSON form. Is there some easy way to convert HttpExchange to HttpURLConnection request and HttpURLConnection response back to HttpExchange? I tried this in this way, but it doesn't work. Can I modify the headers that HttpURLConnection produce at all?. Heaton uses pure code. HttpURLConnection. Step-3: Set the request type as in whether the request to the API is a GET request or a POST request. It is the best choice for these releases. Provide details and share your research! But avoid …. The default implementation is based on Ronald Tschalär's excellent HTTPClient library. The headers argument should be a mapping of extra HTTP headers to send with the request. for POST requests). * HttpURLConnection} will be forced to buffer the complete request body in * memory before it is transmitted, wasting (and possibly exhausting) heap and * increasing latency. The point of that class is to allow you to construct an HTTP request. openConnection(); * try. HTTPの機能をサポートするクラスです。. io returns the following headers in each request to inform you of your limit & remaining requests until reset. Are there any additional flags or properties that need to be set, or is the fact that I'm setting. Una de las cosas que no he podido volver a unir es el uso de una tienda de cookies persistente. The name of the 0-th header is null, even though it the 0-th header has a value. io returns the following headers in each request to inform you of your limit & remaining requests until reset. This is documentation of the new API for Telestream Cloud Flip transcoding service. HttpURLConnection use steps. As a server, we will use three simple Servlet running inside Tomcat 7. Sends the request to web server. To set the environment variable: Set the environment variable GOOGLE_APPLICATION_CREDENTIALS to the file path of the JSON file that contains your service account key. java HttpURLConnection needs to set. Step-3: Set the request type as in whether the request to the API is a GET request or a POST request. Explicitly Sending Header Data. The clients who want to access the protected resources, should send Authorization request header with an encoded (Base64) user/password value:. Next, we can let the user enter the location to query, so we can query lots of places without changing the source! Also, change the query to select item , which contains lots of interesting information about the weather in the selected location. October 23rd, 2009 admin Posted in Java | import java. For Gingerbread and better, HttpURLConnection is the best choice. This class can be used to read and write data to the specified resource referred by the URL. Android retrofit tutorial to send http post request. Set DEBUG for. You obtain an HttpURLConnection in the same way just shown, by calling openConnection( ) on a URL object, but you must cast the result to HttpURLConnection. {@code * HttpURLConnection urlConnection = (HttpURLConnection) url. URL; import java. Bearer distinguishes the type of Authorization you're using, so it's important. You can set the required properties when starting the JVM for a JAVA application from the command line: java -Dhttp. You can click to vote up the examples that are useful to you. as the status line returned by the HTTP server. Java: HttpURLConnection. The methods of setting the headers and status code that we've already discussed assume that you're using "implicit headers". The server side doesn't receive any request with my header. Also doesn't work this code too. It is the best choice for these releases. A question regarding ResponseHeaderUtil. Then I try to link to another page within the secure part of that website by sending the cookies. Adding WSSE Security headers in SOAP request before making backend call Scenario: I am currently developing a reverse proxy type API which would accept request in the JSON format and then make a backend call to the SOAP service hosted on public url. Jenkins advertises this port number as a special HTTP header (if disabled, this header will not be present). HttpURLConnection class. (Inherited from URLConnection) ContentLength ContentLength: Returns the content length in bytes specified by the response header field content-length or -1 if this field is not set or cannot be represented as an int. Used to log in to the B2 API. I want to send an XML document to a HttpServlet and get a new one back.