| package org.apache.turbine.services.intake.model; |
| |
| /* ==================================================================== |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 2001-2003 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 acknowledgment: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowledgment may appear in the software itself, |
| * if and wherever such third-party acknowledgments normally appear. |
| * |
| * 4. The names "Apache" and "Apache Software Foundation" and |
| * "Apache Turbine" must not be used to endorse or promote products |
| * derived from this software without prior written permission. For |
| * written permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache", |
| * "Apache Turbine", nor may "Apache" appear in their name, without |
| * prior written permission of the Apache Software Foundation. |
| * |
| * 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/>. |
| */ |
| |
| import org.apache.commons.fileupload.FileItem; |
| |
| import org.apache.turbine.services.intake.IntakeException; |
| import org.apache.turbine.services.intake.validator.FileValidator; |
| import org.apache.turbine.services.intake.validator.ValidationException; |
| import org.apache.turbine.services.intake.xmlmodel.XmlField; |
| import org.apache.turbine.util.TurbineRuntimeException; |
| import org.apache.turbine.util.parser.ParameterParser; |
| import org.apache.turbine.util.parser.ValueParser; |
| |
| /** |
| * @deprecated Use the Fulcrum Intake component instead. |
| * @author <a href="mailto:jmcnally@collab.net">John McNally</a> |
| * @author <a href="mailto:hps@intermeta.de">Henning P. Schmiedehausen</a> |
| * @author <a href="mailto:quintonm@bellsouth.net">Quinton McCombs</a> |
| * @version $Id$ |
| */ |
| public class FileItemField |
| extends Field |
| { |
| |
| /** |
| * Constructor. |
| * |
| * @param field xml field definition object |
| * @param group xml group definition object |
| * @throws IntakeException thrown by superclass |
| */ |
| public FileItemField(XmlField field, Group group) |
| throws IntakeException |
| { |
| super(field, group); |
| } |
| |
| /** |
| * It is not possible to set the default value for this field type. |
| * Calling this method with a non-null parameter will result in a |
| * TurbineRuntimeException |
| * |
| * @param prop Parameter for the default values |
| * @throws TurbineRuntimeException |
| */ |
| public void setDefaultValue(String prop) |
| { |
| if (prop != null) |
| { |
| throw new TurbineRuntimeException( |
| "Default values are not valid for " |
| + this.getClass().getName()); |
| } |
| |
| defaultValue = null; |
| } |
| |
| /** |
| * It is not possible to set the empty value for this field type. |
| * Calling this method with a non-null parameter will result in a |
| * TurbineRuntimeException |
| * |
| * @param prop Parameter for the empty values |
| * @throws TurbineRuntimeException |
| */ |
| public void setEmptyValue(String prop) |
| { |
| if (prop != null) |
| { |
| throw new TurbineRuntimeException( |
| "Empty values are not valid for " |
| + this.getClass().getName()); |
| } |
| |
| emptyValue = null; |
| } |
| |
| /** |
| * A suitable validator. |
| * |
| * @return A suitable validator |
| */ |
| protected String getDefaultValidator() |
| { |
| return FileValidator.class.getName(); |
| } |
| |
| /** |
| * Method called when this field (the group it belongs to) is |
| * pulled from the pool. The request data is searched to determine |
| * if a value has been supplied for this field. if so, the value |
| * is validated. |
| * |
| * @param vp a <code>ValueParser</code> value |
| * @return a <code>Field</code> value |
| * @exception IntakeException if an error occurs |
| */ |
| public Field init(ValueParser vp) |
| throws IntakeException |
| { |
| try |
| { |
| super.parser = (ParameterParser) vp; |
| } |
| catch (ClassCastException e) |
| { |
| throw new IntakeException( |
| "FileItemFields can only be used with ParameterParser"); |
| } |
| |
| validFlag = true; |
| |
| if (parser.containsKey(getKey())) |
| { |
| setFlag = true; |
| validate(); |
| } |
| |
| initialized = true; |
| return this; |
| } |
| |
| /** |
| * Compares request data with constraints and sets the valid flag. |
| * |
| * @return the valid flag |
| */ |
| protected boolean validate() |
| { |
| ParameterParser pp = (ParameterParser) super.parser; |
| if (isMultiValued) |
| { |
| FileItem[] ss = pp.getFileItems(getKey()); |
| // this definition of not set might need refined. But |
| // not sure the situation will arise. |
| if (ss.length == 0) |
| { |
| setFlag = false; |
| } |
| |
| if (validator != null) |
| { |
| for (int i = 0; i < ss.length; i++) |
| { |
| try |
| { |
| ((FileValidator) validator).assertValidity(ss[i]); |
| } |
| catch (ValidationException ve) |
| { |
| setMessage(ve.getMessage()); |
| } |
| } |
| } |
| |
| if (setFlag && validFlag) |
| { |
| doSetValue(); |
| } |
| } |
| else |
| { |
| FileItem s = pp.getFileItem(getKey()); |
| if (s == null || s.getSize() == 0) |
| { |
| setFlag = false; |
| } |
| |
| if (validator != null) |
| { |
| try |
| { |
| ((FileValidator) validator).assertValidity(s); |
| |
| if (setFlag) |
| { |
| doSetValue(); |
| } |
| } |
| catch (ValidationException ve) |
| { |
| setMessage(ve.getMessage()); |
| } |
| } |
| else if (setFlag) |
| { |
| doSetValue(); |
| } |
| } |
| |
| return validFlag; |
| } |
| |
| /** |
| * Sets the value of the field from data in the parser. |
| */ |
| protected void doSetValue() |
| { |
| ParameterParser pp = (ParameterParser) super.parser; |
| if (isMultiValued) |
| { |
| setTestValue(pp.getFileItems(getKey())); |
| } |
| else |
| { |
| setTestValue(pp.getFileItem(getKey())); |
| } |
| } |
| } |