org.eclipse.rdf4j.workbench.util

## Class WorkbenchRequest

- java.lang.Object
- - javax.servlet.ServletRequestWrapper
  - - javax.servlet.http.HttpServletRequestWrapper
    - - org.eclipse.rdf4j.workbench.util.WorkbenchRequest

- All Implemented Interfaces:
    javax.servlet.http.HttpServletRequest, javax.servlet.ServletRequest

      public class WorkbenchRequest
      extends javax.servlet.http.HttpServletRequestWrapper

  Request wrapper used by `TransformationServlet`.

- - ### Field Summary

    - ### Fields inherited from interface javax.servlet.http.HttpServletRequest

      `BASIC_AUTH, CLIENT_CERT_AUTH, DIGEST_AUTH, FORM_AUTH`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `WorkbenchRequest(Repository repository, javax.servlet.http.HttpServletRequest request, Map<String,String> defaults)` Wrap a request with an object aware of the current repository and application defaults.

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `String` | `getContentFileName()` Get the name of any uploaded file that is part of this request.
    `InputStream` | `getContentParameter()` Get the content of any uploaded file that is part of this request.
    `int` | `getInt(String name)` Get the integer value associated with the given parameter name.
    `String` | `getParameter(String name)`
    `String[]` | `getParameterValues(String name)`
    `Resource` | `getResource(String name)` Returns a `Resource` corresponding to the value of the given parameter name.
    `Map<String,String>` | `getSingleParameterMap()` Gets a map of the all parameters with values, also caching them in this `WorkbenchRequest`.
    `String` | `getTypeParameter()` Gets the value of the 'type' parameter.
    `IRI` | `getURI(String name)` Gets the URI referred to by the parameter value.
    `URL` | `getUrl(String name)` Gets the URL referred to by the parameter value.
    `Value` | `getValue(String name)` Gets the `Value` referred to by the parameter value.
    `boolean` | `isParameterPresent(String name)` Returns whether a non-null, non-empty value is available for the given parameter name.

    - ### Methods inherited from class javax.servlet.http.HttpServletRequestWrapper

      `authenticate, changeSessionId, getAuthType, getContextPath, getCookies, getDateHeader, getHeader, getHeaderNames, getHeaders, getIntHeader, getMethod, getPart, getParts, getPathInfo, getPathTranslated, getQueryString, getRemoteUser, getRequestedSessionId, getRequestURI, getRequestURL, getServletPath, getSession, getSession, getUserPrincipal, isRequestedSessionIdFromCookie, isRequestedSessionIdFromUrl, isRequestedSessionIdFromURL, isRequestedSessionIdValid, isUserInRole, login, logout, upgrade`

    - ### Methods inherited from class javax.servlet.ServletRequestWrapper

      `getAsyncContext, getAttribute, getAttributeNames, getCharacterEncoding, getContentLength, getContentLengthLong, getContentType, getDispatcherType, getInputStream, getLocalAddr, getLocale, getLocales, getLocalName, getLocalPort, getParameterMap, getParameterNames, getProtocol, getReader, getRealPath, getRemoteAddr, getRemoteHost, getRemotePort, getRequest, getRequestDispatcher, getScheme, getServerName, getServerPort, getServletContext, isAsyncStarted, isAsyncSupported, isSecure, isWrapperFor, isWrapperFor, removeAttribute, setAttribute, setCharacterEncoding, setRequest, startAsync, startAsync`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

    - ### Methods inherited from interface javax.servlet.ServletRequest

      `getAsyncContext, getAttribute, getAttributeNames, getCharacterEncoding, getContentLength, getContentLengthLong, getContentType, getDispatcherType, getInputStream, getLocalAddr, getLocale, getLocales, getLocalName, getLocalPort, getParameterMap, getParameterNames, getProtocol, getReader, getRealPath, getRemoteAddr, getRemoteHost, getRemotePort, getRequestDispatcher, getScheme, getServerName, getServerPort, getServletContext, isAsyncStarted, isAsyncSupported, isSecure, removeAttribute, setAttribute, setCharacterEncoding, startAsync, startAsync`

- - ### Constructor Detail

    - #### WorkbenchRequest

          public WorkbenchRequest(Repository repository,
                                  javax.servlet.http.HttpServletRequest request,
                                  Map<String,String> defaults)
                           throws RepositoryException,
                                  IOException,
                                  org.apache.commons.fileupload.FileUploadException

      Wrap a request with an object aware of the current repository and application defaults.
      Parameters:
        `repository` - currently connected repository
        `request` - current request
        `defaults` - application default parameter values
      Throws:
        `RepositoryException` - if there is an issue retrieving the parameter map
        `IOException` - if there is an issue retrieving the parameter map
        `org.apache.commons.fileupload.FileUploadException` - if there is an issue retrieving the parameter map

  - ### Method Detail

    - #### getContentParameter

          public InputStream getContentParameter()

      Get the content of any uploaded file that is part of this request.
      Returns:
        the uploaded file contents, or null if not applicable

    - #### getContentFileName

          public String getContentFileName()

      Get the name of any uploaded file that is part of this request.
      Returns:
        the uploaded file name, or null if not applicable

    - #### getInt

          public int getInt(String name)
                     throws BadRequestException

      Get the integer value associated with the given parameter name. Internally uses getParameter(String), so looks in this order: 1. the query parameters that were parsed at construction, using the last value if multiple exist. 2. Request cookies. 3. The defaults.
      Returns:
        the value of the parameter, or zero if it is not present
      Throws:
        `BadRequestException` - if the parameter is present but does not parse as an integer

    - #### getParameter

          public String getParameter(String name)

      Specified by:
        `getParameter` in interface `javax.servlet.ServletRequest`
      Overrides:
        `getParameter` in class `javax.servlet.ServletRequestWrapper`

    - #### getParameterValues

          public String[] getParameterValues(String name)

      Specified by:
        `getParameterValues` in interface `javax.servlet.ServletRequest`
      Overrides:
        `getParameterValues` in class `javax.servlet.ServletRequestWrapper`

    - #### isParameterPresent

          public boolean isParameterPresent(String name)

      Returns whether a non-null, non-empty value is available for the given parameter name.
      Parameters:
        `name` - parameter name to check
      Returns:
        true if a non-null, non-empty value exists, false otherwise

    - #### getResource

          public Resource getResource(String name)
                               throws BadRequestException,
                                      RepositoryException

      Returns a `Resource` corresponding to the value of the given parameter name.
      Parameters:
        `name` - of parameter to retrieve resource from
      Returns:
        value corresponding to the given parameter name
      Throws:
        `BadRequestException` - if a problem occurs parsing the parameter value
        `RepositoryException`

    - #### getSingleParameterMap

          public Map<String,String> getSingleParameterMap()

      Gets a map of the all parameters with values, also caching them in this `WorkbenchRequest`.
      Returns:
        a map of all parameters with values

    - #### getTypeParameter

          public String getTypeParameter()

      Gets the value of the 'type' parameter.
      Returns:
        the value of the 'type' parameter

    - #### getURI

          public IRI getURI(String name)
                     throws BadRequestException,
                            RepositoryException

      Gets the URI referred to by the parameter value.
      Parameters:
        `name` - of the parameter to check
      Returns:
        the URI, or null if the parameter has no value, is only whitespace, or equals "null"
      Throws:
        `BadRequestException` - if the value doesn't parse as a URI
        `RepositoryException` - if the name space prefix is not resolvable

    - #### getUrl

          public URL getUrl(String name)
                     throws BadRequestException

      Gets the URL referred to by the parameter value.
      Parameters:
        `name` - of the parameter to check
      Returns:
        the URL
      Throws:
        `BadRequestException` - if the value doesn't parse as a URL

    - #### getValue

          public Value getValue(String name)
                         throws BadRequestException,
                                RepositoryException

      Gets the `Value` referred to by the parameter value.
      Parameters:
        `name` - of the parameter to check
      Returns:
        the value, or null if the parameter has no value, is only whitespace, or equals "null"
      Throws:
        `BadRequestException` - if the value doesn't parse as a URI
        `RepositoryException` - if any name space prefix is not resolvable

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