File	Doc	Category	Size	Date	Package
MultiPartRequestWrapper.java	API Doc	Example	8246	Mon Jul 23 13:26:36 BST 2007	org.apache.struts2.dispatcher.multipart

MultiPartRequestWrapper

• java.lang.Object
  • org.apache.struts2.dispatcher.StrutsRequestWrapper

Fields Summary
protected static final Log	log
Collection	errors
MultiPartRequest	multi

Constructors Summary

public MultiPartRequestWrapper(MultiPartRequest multiPartRequest, HttpServletRequest request, String saveDir) Process file downloads and log any errors. param request Our HttpServletRequest object param saveDir Target directory for any files that we save param multiPartRequest Our MultiPartRequest object super(request); multi = multiPartRequest; try { multi.parse(request, saveDir); for (Object o : multi.getErrors()) { String error = (String) o; addError(error); } } catch (IOException e) { addError("Cannot parse request: "+e.toString()); }

Methods Summary
protected void	addError(java.lang.String anErrorMessage) Adds an error message. param anErrorMessage the error message to report. if (errors == null) { errors = new ArrayList<String>(); } errors.add(anErrorMessage);
public java.lang.String[]	getContentTypes(java.lang.String name) Get an array of content encoding for the specified input field name or null if no content type was specified. param name input field name return an array of content encoding for the specified input field name if (multi == null) { return null; } return multi.getContentType(name);
public java.util.Collection	getErrors() Returns a collection of any errors generated when parsing the multipart request. return the error Collection. return errors;
public java.lang.String[]	getFileNames(java.lang.String fieldName) Get a String array of the file names for uploaded files param fieldName Field to check for file names. return a String[] of file names for uploaded files if (multi == null) { return null; } return multi.getFileNames(fieldName);
public java.util.Enumeration	getFileParameterNames() Get an enumeration of the parameter names for uploaded files return enumeration of parameter names for uploaded files if (multi == null) { return null; } return multi.getFileParameterNames();
public java.lang.String[]	getFileSystemNames(java.lang.String fieldName) Get the filename(s) of the file(s) uploaded for the given input field name. Returns null if the file is not found. param fieldName input field name return the filename(s) of the file(s) uploaded for the given input field name or null if name not found. if (multi == null) { return null; } return multi.getFilesystemName(fieldName);
public java.io.File[]	getFiles(java.lang.String fieldName) Get a {@link java.io.File[]} for the given input field name. param fieldName input field name return a File[] object for files associated with the specified input field name if (multi == null) { return null; } return multi.getFile(fieldName);
public java.lang.String	getParameter(java.lang.String name) see javax.servlet.http.HttpServletRequest#getParameter(String) return ((multi == null) || (multi.getParameter(name) == null)) ? super.getParameter(name) : multi.getParameter(name);
public java.util.Map	getParameterMap() see javax.servlet.http.HttpServletRequest#getParameterMap() Map<String, String[]> map = new HashMap<String, String[]>(); Enumeration enumeration = getParameterNames(); while (enumeration.hasMoreElements()) { String name = (String) enumeration.nextElement(); map.put(name, this.getParameterValues(name)); } return map;
public java.util.Enumeration	getParameterNames() see javax.servlet.http.HttpServletRequest#getParameterNames() if (multi == null) { return super.getParameterNames(); } else { return mergeParams(multi.getParameterNames(), super.getParameterNames()); }
public java.lang.String[]	getParameterValues(java.lang.String name) see javax.servlet.http.HttpServletRequest#getParameterValues(String) return ((multi == null) || (multi.getParameterValues(name) == null)) ? super.getParameterValues(name) : multi.getParameterValues(name);
public boolean	hasErrors() Returns true if any errors occured when parsing the HTTP multipart request, false otherwise. return true if any errors occured when parsing the HTTP multipart request, false otherwise. return !((errors == null) || errors.isEmpty());
protected java.util.Enumeration	mergeParams(java.util.Enumeration params1, java.util.Enumeration params2) Merges 2 enumeration of parameters as one. param params1 the first enumeration. param params2 the second enumeration. return a single Enumeration of all elements from both Enumerations. Vector temp = new Vector(); while (params1.hasMoreElements()) { temp.add(params1.nextElement()); } while (params2.hasMoreElements()) { temp.add(params2.nextElement()); } return temp.elements();