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Java Source Code / Java Documentation » J2EE » webwork 2.2.6 » com.opensymphony.webwork.dispatcher.multipart

Source Cross Reference Class Diagram Java Document (Java Doc)

com.opensymphony.webwork.dispatcher .WebWorkRequestWrapper

com.opensymphony.webwork.dispatcher.multipart .MultiPartRequestWrapper

MultiPartRequestWrapper

public class MultiPartRequestWrapper extends WebWorkRequestWrapper (Code)

Parses a multipart request and provides a wrapper around the request. The parsing implementation used depends on the webwork.multipart.parser setting. It should be set to a class which extends com.opensymphony.webwork.dispatcher.multipart.MultiPartRequest .

Webwork ships with three implementations, com.opensymphony.webwork.dispatcher.multipart.PellMultiPartRequest , and com.opensymphony.webwork.dispatcher.multipart.CosMultiPartRequest and com.opensymphony.webwork.dispatcher.multipart.JakartaMultiPartRequest . The Jakarta implementation is the default. The webwork.multipart.parser property should be set to jakarta for the Jakarta implementation, pell for the Pell implementation and cos for the Jason Hunter implementation.

The files are uploaded when the object is instantiated. If there are any errors they are logged using MultiPartRequestWrapper.addError(String) . An action handling a multipart form should first check MultiPartRequestWrapper.hasErrors() before doing any other processing.

author:
Matt Baldree

Field Summary
Collection	errors
final protected static Log	log
MultiPartRequest	multi

Constructor Summary
public	MultiPartRequestWrapper(HttpServletRequest request, String saveDir, int maxSize) Instantiates the appropriate MultiPartRequest parser implementation and processes the data.

Method Summary
protected void	addError(String anErrorMessage) Adds an error message.
public String	getContentType(String fieldName)
public String[]	getContentTypes(String name) Get an array of content encoding for the specified input field name or `null` if no content type was specified.
public Collection	getErrors() Returns a collection of any errors generated when parsing the multipart request.
public File	getFile(String fieldName)
public Enumeration	getFileNames()
public String[]	getFileNames(String fieldName)
public Enumeration	getFileParameterNames()
public String[]	getFileSystemNames(String fieldName) Get the filename(s) of the file(s) uploaded for the given input field name.
public File[]	getFiles(String fieldName) Get a java.io.File[] for the given input field name.
public String	getFilesystemName(String fieldName)
public String	getParameter(String name)
public Map	getParameterMap()
public Enumeration	getParameterNames()
public String[]	getParameterValues(String name)
public boolean	hasErrors() Returns `true` if any errors occured when parsing the HTTP multipart request, `false` otherwise.
protected Enumeration	mergeParams(Enumeration params1, Enumeration params2) Merges 2 enumeration of parameters as one. Parameters: params1 - the first enumeration. Parameters: params2 - the second enumeration.

Field Detail

errors
Collection errors(Code)

log
final protected static Log log(Code)

multi
MultiPartRequest multi(Code)

Constructor Detail

MultiPartRequestWrapper
public MultiPartRequestWrapper(HttpServletRequest request, String saveDir, int maxSize)(Code)
	Instantiates the appropriate MultiPartRequest parser implementation and processes the data. Parameters: request - the servlet request object Parameters: saveDir - directory to save the file(s) to Parameters: maxSize - maximum file size allowed

Method Detail

addError
protected void addError(String anErrorMessage)(Code)
	Adds an error message. Parameters: anErrorMessage - the error message to report.

getContentType
public String getContentType(String fieldName)(Code)
	MultiPartRequestWrapper.getContentTypes(String)

getContentTypes
public String[] getContentTypes(String name)(Code)
	Get an array of content encoding for the specified input field name or `null` if no content type was specified. Parameters: name - input field name an array of content encoding for the specified input field name

getErrors
public Collection getErrors()(Code)
	Returns a collection of any errors generated when parsing the multipart request. the error Collection.

getFile
public File getFile(String fieldName)(Code)
	MultiPartRequestWrapper.getFiles(String)

getFileNames
public Enumeration getFileNames()(Code)
	MultiPartRequestWrapper.getFileParameterNames()

getFileNames
public String[] getFileNames(String fieldName)(Code)
	Get a String array of the file names for uploaded files a String[] of file names for uploaded files

getFileParameterNames
public Enumeration getFileParameterNames()(Code)
	Get an enumeration of the parameter names for uploaded files enumeration of parameter names for uploaded files

getFileSystemNames
public String[] getFileSystemNames(String fieldName)(Code)
	Get the filename(s) of the file(s) uploaded for the given input field name. Returns `null` if the file is not found. Parameters: fieldName - input field name the filename(s) of the file(s) uploaded for the given input field name or`null` if name not found.

getFiles
public File[] getFiles(String fieldName)(Code)
	Get a java.io.File[] for the given input field name. Parameters: fieldName - input field name a File[] object for files associated with the specified input field name

getFilesystemName
public String getFilesystemName(String fieldName)(Code)
	MultiPartRequestWrapper.getFileSystemNames(String)

getParameter
public String getParameter(String name)(Code)
	See Also: javax.servlet.http.HttpServletRequest.getParameter(String)

getParameterMap
public Map getParameterMap()(Code)
	See Also: javax.servlet.http.HttpServletRequest.getParameterMap

getParameterNames
public Enumeration getParameterNames()(Code)
	See Also: javax.servlet.http.HttpServletRequest.getParameterNames

getParameterValues
public String[] getParameterValues(String name)(Code)
	See Also: javax.servlet.http.HttpServletRequest.getParameterValues(String)

hasErrors
public boolean hasErrors()(Code)
	Returns `true` if any errors occured when parsing the HTTP multipart request, `false` otherwise. `true` if any errors occured when parsing the HTTP multipart request, `false` otherwise.

mergeParams
protected Enumeration mergeParams(Enumeration params1, Enumeration params2)(Code)
	Merges 2 enumeration of parameters as one. Parameters: params1 - the first enumeration. Parameters: params2 - the second enumeration. a single Enumeration of all elements from both Enumerations.

Methods inherited from com.opensymphony.webwork.dispatcher.WebWorkRequestWrapper

public Object getAttribute(String s)(Code)(Java Doc)

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