< html:file /> Tag Example in Struts 1.3

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< html:file /> Tag Example in Struts 1.3

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<html:file /> Tag Example in Struts 1.3 the following tool are required for run this example

JDK 1.5
MyEclipse IDE
Server Tomcat 6.0
Struts 1.3 jar file

Directory Structure of FileTagExample in Struts 1.3 Using MyEclipse IDE

 index.jsp

<%@taglib uri="http://struts.apache.org/tags-html" prefix="html"%>
<%@taglib uri="http://struts.apache.org/tags-bean" prefix="bean"%>
<html>
<head>
<title><bean:message key="label.title"/></title>
</head>
<body>
<h3><bean:message key="label.header"/></h3>
<html:form action="/fileAction" method="POST" enctype="multipart/form-data">
<bean:message key="label.file"/>
<html:file property="file" name="fileForm"/>
<br/>
<br/>
<html:submit><bean:message key="label.submit" /></html:submit>
<html:reset><bean:message key="label.reset" /></html:reset>
</html:form>
</body>
</html>

web.xml

<!DOCTYPE web-app PUBLIC
 "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
 "http://java.sun.com/dtd/web-app_2_3.dtd" >
 
<web-app>
  <display-name>Maven Struts Examples</display-name> 
  <servlet>
    <servlet-name>action</servlet-name>
    <servlet-class>
        org.apache.struts.action.ActionServlet
    </servlet-class>
    <init-param>
        <param-name>config</param-name>
        <param-value>
         /WEB-INF/struts-config.xml
        </param-value>
    </init-param>
    <load-on-startup>1</load-on-startup>
  </servlet> 
  <servlet-mapping>
       <servlet-name>action</servlet-name>
       <url-pattern>*.do</url-pattern>
  </servlet-mapping> 
</web-app>

struts-config.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts-config PUBLIC 
"-//Apache Software Foundation//DTD Struts Configuration 1.3//EN"
"http://struts.apache.org/dtds/struts-config_1_3.dtd">
<struts-config>
  <form-beans>
    <form-bean name="fileForm" type="org.r4r.struts.FilesForm">    
    </form-bean>
  </form-beans>
  <global-exceptions />
  <global-forwards />
  <action-mappings >
        <action path="/file" type="org.apache.struts.actions.ForwardAction" parameter="/index.jsp"/>
	   	<action path="/fileAction" type="org.r4r.struts.FileAction" name="fileForm">	
         <forward name="success" path="/success.jsp"/>
		</action>
  </action-mappings>
  <message-resources parameter="org.r4r.struts.ApplicationResources" />
</struts-config>

FilesForm.java

package org.r4r.struts;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import org.apache.struts.action.ActionForm;
import org.apache.struts.upload.FormFile;

@SuppressWarnings("serial")
public class FilesForm extends ActionForm {
	private FormFile file;
	private String fileText;
	public FormFile getFile() {
		return file;
	}
	public void setFile(FormFile file) {
		this.file = file;
	}
	public String getFileText() {
		try {
            ByteArrayOutputStream byteStream = new ByteArrayOutputStream();
            InputStream input = file.getInputStream();

            byte[] dataBuffer = new byte[4096];
            int numberBytes = 0;
            while ((numberBytes = input.read(dataBuffer, 0, 4096)) != -1) {
                byteStream.write(dataBuffer, 0, numberBytes);
            }
            fileText = new String(byteStream.toByteArray());
            input.close();
        }
        catch (IOException e) {
            return null;
        }
        return fileText;
	}
	public void setFileText(String fileText) {
		this.fileText = fileText;
	}
}

FileAction.java

package org.r4r.struts;

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;

public class FileAction extends Action {
		public ActionForward execute(ActionMapping mapping,ActionForm form,
			HttpServletRequest request,HttpServletResponse response) throws Exception{
			@SuppressWarnings("unused")
			FilesForm paramForm=(FilesForm)form;
			return mapping.findForward("success");
		}
}

ApplicationResources.properties

#label message
label.title=Struts html:file tag example
label.header=Struts html:file tag example
label.file=Select File Name
label.submit=Submit
label.reset=Reset

success.jsp

<%@taglib uri="http://struts.apache.org/tags-bean" prefix="bean"%>
<%@taglib uri="http://struts.apache.org/tags-html" prefix="html"%>
<html>
<head>
<title><bean:message key="label.title"/></title>
</head>
<body>
<h3><bean:message key="label.header"/></h3>
<h4>OutPut:-</h4>
<h5><bean:write name="fileForm" property="fileText" /></h5>
</body>
</html>

Output





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