husted 2004/01/08 08:17:57
Added: src/examples/org/apache/struts/webapp/upload
UploadResources_ja.properties
UploadResources.properties UploadForm.java
UploadAction.java
Log:
Place source code for upload module under examples.
Revision Changes Path
1.1
jakarta-struts/src/examples/org/apache/struts/webapp/upload/UploadResources_ja.properties
Index: UploadResources_ja.properties
===================================================================
maxLengthExceeded=\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3067\u304d\u308b\u6700\u5927\u5024\u3092\u8d85\u3048\u307e\u3057\u305f
1.1
jakarta-struts/src/examples/org/apache/struts/webapp/upload/UploadResources.properties
Index: UploadResources.properties
===================================================================
maxLengthExceeded=The maximum upload length has been exceeded by the client.
1.1
jakarta-struts/src/examples/org/apache/struts/webapp/upload/UploadForm.java
Index: UploadForm.java
===================================================================
/*
* $Header:
/home/cvs/jakarta-struts/src/examples/org/apache/struts/webapp/upload/UploadForm.java,v
1.1 2004/01/08 16:17:57 husted Exp $
* $Revision: 1.1 $
* $Date: 2004/01/08 16:17:57 $
*
* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999-2003 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Struts", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact [EMAIL PROTECTED]
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package org.apache.struts.webapp.upload;
import javax.servlet.http.HttpServletRequest;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.upload.FormFile;
import org.apache.struts.upload.MultipartRequestHandler;
/**
* This class is a placeholder for form values. In a multipart request, files are
represented by
* set and get methods that use the class org.apache.struts.upload.FormFile, an
interface with
* basic methods to retrieve file information. The actual structure of the FormFile
is dependant
* on the underlying impelementation of multipart request handling. The default
implementation
* that struts uses is org.apache.struts.upload.CommonsMultipartRequestHandler.
*
* @author Mike Schachter
* @version $Revision: 1.1 $ $Date: 2004/01/08 16:17:57 $
*/
public class UploadForm extends ActionForm {
public static final String ERROR_PROPERTY_MAX_LENGTH_EXCEEDED =
"org.apache.struts.webapp.upload.MaxLengthExceeded";
/**
* The value of the text the user has sent as form data
*/
protected String theText;
/**
* The value of the embedded query string parameter
*/
protected String queryParam;
/**
* Whether or not to write to a file
*/
protected boolean writeFile;
/**
* The file that the user has uploaded
*/
protected FormFile theFile;
/**
* The file path to write to
*/
protected String filePath;
/**
* Retrieve the value of the text the user has sent as form data
*/
public String getTheText() {
return theText;
}
/**
* Set the value of the form data text
*/
public void setTheText(String theText) {
this.theText = theText;
}
/**
* Retrieve the value of the query string parameter
*/
public String getQueryParam() {
return queryParam;
}
/**
* Set the value of the query string parameter
*/
public void setQueryParam(String queryParam) {
this.queryParam = queryParam;
}
/**
* Retrieve a representation of the file the user has uploaded
*/
public FormFile getTheFile() {
return theFile;
}
/**
* Set a representation of the file the user has uploaded
*/
public void setTheFile(FormFile theFile) {
this.theFile = theFile;
}
/**
* Set whether or not to write to a file
*/
public void setWriteFile(boolean writeFile) {
this.writeFile = writeFile;
}
/**
* Get whether or not to write to a file
*/
public boolean getWriteFile() {
return writeFile;
}
/**
* Set the path to write a file to
*/
public void setFilePath(String filePath) {
this.filePath = filePath;
}
/**
* Get the path to write a file to
*/
public String getFilePath() {
return filePath;
}
public void reset() {
writeFile = false;
}
/**
* Check to make sure the client hasn't exceeded the maximum allowed upload size
inside of this
* validate method.
*/
public ActionErrors validate(
ActionMapping mapping,
HttpServletRequest request) {
ActionErrors errors = null;
//has the maximum length been exceeded?
Boolean maxLengthExceeded =
(Boolean) request.getAttribute(
MultipartRequestHandler.ATTRIBUTE_MAX_LENGTH_EXCEEDED);
if ((maxLengthExceeded != null) && (maxLengthExceeded.booleanValue())) {
errors = new ActionErrors();
errors.add(
ERROR_PROPERTY_MAX_LENGTH_EXCEEDED,
new ActionMessage("maxLengthExceeded"));
}
return errors;
}
}
1.1
jakarta-struts/src/examples/org/apache/struts/webapp/upload/UploadAction.java
Index: UploadAction.java
===================================================================
/*
* $Header:
/home/cvs/jakarta-struts/src/examples/org/apache/struts/webapp/upload/UploadAction.java,v
1.1 2004/01/08 16:17:57 husted Exp $
* $Revision: 1.1 $
* $Date: 2004/01/08 16:17:57 $
*
* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999-2003 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Struts", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact [EMAIL PROTECTED]
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package org.apache.struts.webapp.upload;
import java.io.ByteArrayOutputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.upload.FormFile;
/**
* This class takes the UploadForm and retrieves the text value
* and file attributes and puts them in the request for the display.jsp
* page to display them
*
* @author Mike Schachter
* @version $Revision: 1.1 $ $Date: 2004/01/08 16:17:57 $
*/
public class UploadAction extends Action
{
public ActionForward execute(ActionMapping mapping,
ActionForm form,
HttpServletRequest request,
HttpServletResponse response)
throws Exception {
if (form instanceof UploadForm) {
//this line is here for when the input page is upload-utf8.jsp,
//it sets the correct character encoding for the response
String encoding = request.getCharacterEncoding();
if ((encoding != null) && (encoding.equalsIgnoreCase("utf-8")))
{
response.setContentType("text/html; charset=utf-8");
}
UploadForm theForm = (UploadForm) form;
//retrieve the text data
String text = theForm.getTheText();
//retrieve the query string value
String queryValue = theForm.getQueryParam();
//retrieve the file representation
FormFile file = theForm.getTheFile();
//retrieve the file name
String fileName= file.getFileName();
//retrieve the content type
String contentType = file.getContentType();
boolean writeFile = theForm.getWriteFile();
//retrieve the file size
String size = (file.getFileSize() + " bytes");
String data = null;
try {
//retrieve the file data
ByteArrayOutputStream baos = new ByteArrayOutputStream();
InputStream stream = file.getInputStream();
if (!writeFile) {
//only write files out that are less than 1MB
if (file.getFileSize() < (4*1024000)) {
byte[] buffer = new byte[8192];
int bytesRead = 0;
while ((bytesRead = stream.read(buffer, 0, 8192)) != -1) {
baos.write(buffer, 0, bytesRead);
}
data = new String(baos.toByteArray());
}
else {
data = new String("The file is greater than 4MB, " +
" and has not been written to stream." +
" File Size: " + file.getFileSize() + " bytes. This
is a" +
" limitation of this particular web application,
hard-coded" +
" in org.apache.struts.webapp.upload.UploadAction");
}
}
else {
//write the file to the file specified
OutputStream bos = new FileOutputStream(theForm.getFilePath());
int bytesRead = 0;
byte[] buffer = new byte[8192];
while ((bytesRead = stream.read(buffer, 0, 8192)) != -1) {
bos.write(buffer, 0, bytesRead);
}
bos.close();
data = "The file has been written to \"" + theForm.getFilePath()
+ "\"";
}
//close the stream
stream.close();
}
catch (FileNotFoundException fnfe) {
return null;
}
catch (IOException ioe) {
return null;
}
//place the data into the request for retrieval from display.jsp
request.setAttribute("text", text);
request.setAttribute("queryValue", queryValue);
request.setAttribute("fileName", fileName);
request.setAttribute("contentType", contentType);
request.setAttribute("size", size);
request.setAttribute("data", data);
//destroy the temporary file created
file.destroy();
//return a forward to display.jsp
return mapping.findForward("display");
}
//this shouldn't happen in this example
return null;
}
}
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