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| package org.apache.tapestry.form; |
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| import org.apache.tapestry.IForm; |
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| import org.apache.tapestry.IMarkupWriter; |
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| import org.apache.tapestry.IRequestCycle; |
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| import org.apache.tapestry.multipart.MultipartDecoder; |
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| import org.apache.tapestry.request.IUploadFile; |
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| import org.apache.tapestry.valid.ValidationStrings; |
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| import org.apache.tapestry.valid.ValidatorException; |
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| public abstract class Upload extends AbstractRequirableField |
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| { |
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| public void bind(IMarkupWriter writer, IRequestCycle cycle) throws ValidatorException
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| { |
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| setFile(getUploadFile());
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| } |
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| protected void finishLoad()
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| { |
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| setRequiredMessage(ValidationStrings.getMessagePattern(
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| ValidationStrings.REQUIRED_FILE_FIELD, |
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| getPage().getLocale())); |
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| } |
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| private IUploadFile getUploadFile()
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| { |
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| return getDecoder().getFileUpload(getName());
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| } |
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| public String getSubmittedValue(IRequestCycle cycle)
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| { |
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| return getUploadFile().getFilePath();
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| } |
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| protected void renderFormComponent(IMarkupWriter writer, IRequestCycle cycle)
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| { |
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| super.renderFormComponent(writer, cycle);
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| IForm form = getForm();
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| form.setEncodingType("multipart/form-data");
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| renderDelegatePrefix(writer, cycle);
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| writer.beginEmpty("input");
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| writer.attribute("type", "file");
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| writer.attribute("name", getName());
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| if (isDisabled())
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| { |
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| writer.attribute("disabled", "disabled");
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| } |
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| form.getDelegate().writeAttributes(writer, cycle, this, null);
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| renderIdAttribute(writer, cycle);
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| renderDelegateAttributes(writer, cycle);
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| renderDelegateSuffix(writer, cycle);
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| } |
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| public abstract void setFile(IUploadFile file); |
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| public abstract MultipartDecoder getDecoder(); |
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| } |