Start line:  
End line:  

Snippet Preview

Snippet HTML Code

Stack Overflow Questions
  // Copyright 2004, 2005 The Apache Software Foundation
  //
  // Licensed under the Apache License, Version 2.0 (the "License");
  // you may not use this file except in compliance with the License.
  // You may obtain a copy of the License at
  //
  //     http://www.apache.org/licenses/LICENSE-2.0
  //
  // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
 package org.apache.tapestry.form;
 
 import  org.apache.hivemind.HiveMind;
Form element used to upload files. [ Component Reference ]

As of 4.0, this component can be validated.

Author(s):
Howard Lewis Ship
Paul Ferraro
Since:
1.0.8
 
 
 public abstract class Upload extends AbstractFormComponent implements ValidatableField
 {
     public abstract void setFile(IUploadFile file);

    

See also:
org.apache.tapestry.form.AbstractFormComponent.renderFormComponent(org.apache.tapestry.IMarkupWriter, org.apache.tapestry.IRequestCycle)
 
     protected void renderFormComponent(IMarkupWriter writerIRequestCycle cycle)
     {
         // Force the form to use the correct encoding type for file uploads.
         IForm form = getForm();
         
         form.setEncodingType("multipart/form-data");
 
         renderDelegatePrefix(writercycle);
 
         writer.beginEmpty("input");
         writer.attribute("type""file");
         writer.attribute("name"getName());
 
         if (isDisabled())
         {
             writer.attribute("disabled""disabled");
         }
 
         renderIdAttribute(writercycle);
 
         renderDelegateAttributes(writercycle);
 
         getValidatableFieldSupport().renderContributions(thiswritercycle);
 
         renderInformalParameters(writercycle);
 
         writer.closeTag();
 
         renderDelegateSuffix(writercycle);
     }

    

See also:
org.apache.tapestry.form.AbstractFormComponent.rewindFormComponent(org.apache.tapestry.IMarkupWriter, org.apache.tapestry.IRequestCycle)
 
     protected void rewindFormComponent(IMarkupWriter writerIRequestCycle cycle)
     {
         IUploadFile file = getDecoder().getFileUpload(getName());
         
         if (file != null && HiveMind.isBlank(file.getFileName()))
         {
             file = null;
         }
         
         try
         {
             getValidatableFieldSupport().validate(thiswritercyclefile);
             
             setFile(file);
         }
         catch (ValidatorException e)
         {
             getForm().getDelegate().record(e);
         }
     }
    
    
Injected.
    public abstract ValidatableFieldSupport getValidatableFieldSupport();

    
Injected.
    public abstract MultipartDecoder getDecoder();

    

See also:
org.apache.tapestry.form.AbstractFormComponent.isRequired()
    public boolean isRequired()
    {
        return getValidatableFieldSupport().isRequired(this);
    }
New to GrepCode? Check out our FAQ X