| package org.apache.fulcrum.intake.model; |
| |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| |
| import org.apache.commons.fileupload.FileItem; |
| import org.apache.fulcrum.intake.IntakeException; |
| import org.apache.fulcrum.intake.IntakeRuntimeException; |
| import org.apache.fulcrum.intake.validator.FileValidator; |
| import org.apache.fulcrum.intake.validator.ValidationException; |
| import org.apache.fulcrum.parser.ParameterParser; |
| import org.apache.fulcrum.parser.ValueParser; |
| |
| /** |
| * @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<FileItem> |
| { |
| /** Serial version */ |
| private static final long serialVersionUID = -963692413506822188L; |
| |
| /** |
| * 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 |
| */ |
| @Override |
| public void setDefaultValue(String prop) |
| { |
| if (prop != null) |
| { |
| throw new IntakeRuntimeException( |
| "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 |
| */ |
| @Override |
| public void setEmptyValue(String prop) |
| { |
| if (prop != null) |
| { |
| throw new IntakeRuntimeException( |
| "Empty values are not valid for " |
| + this.getClass().getName()); |
| } |
| |
| emptyValue = null; |
| } |
| |
| /** |
| * A suitable validator. |
| * |
| * @return A suitable validator |
| */ |
| @Override |
| 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 |
| */ |
| @Override |
| public Field<FileItem> init(ValueParser vp) |
| throws IntakeException |
| { |
| if (!(vp instanceof ParameterParser)) |
| { |
| throw new IntakeException( |
| "FileItemFields can only be used with ParameterParser"); |
| } |
| |
| super.init(vp); |
| |
| if (parser.containsKey(getKey())) |
| { |
| setSet(true); |
| validate(); |
| } |
| |
| return this; |
| } |
| |
| /** |
| * Compares request data with constraints and sets the valid flag. |
| * |
| * @return the valid flag |
| */ |
| @Override |
| public 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) |
| { |
| setSet(false); |
| } |
| |
| if (getValidator() != null) |
| { |
| for (int i = 0; i < ss.length; i++) |
| { |
| try |
| { |
| ((FileValidator) getValidator()).assertValidity(ss[i]); |
| } |
| catch (ValidationException ve) |
| { |
| setMessage(ve.getMessage()); |
| } |
| } |
| } |
| |
| if (isSet() && isValid()) |
| { |
| doSetValue(); |
| } |
| } |
| else |
| { |
| FileItem s = pp.getFileItem(getKey()); |
| if (s == null || s.getSize() == 0) |
| { |
| setSet(false); |
| } |
| |
| if (getValidator() != null) |
| { |
| try |
| { |
| ((FileValidator) getValidator()).assertValidity(s); |
| |
| if (isSet()) |
| { |
| doSetValue(); |
| } |
| } |
| catch (ValidationException ve) |
| { |
| setMessage(ve.getMessage()); |
| } |
| } |
| else if (isSet()) |
| { |
| doSetValue(); |
| } |
| } |
| |
| return isValid(); |
| } |
| |
| /** |
| * Sets the value of the field from data in the parser. |
| */ |
| @Override |
| protected void doSetValue() |
| { |
| ParameterParser pp = (ParameterParser) super.parser; |
| if (isMultiValued()) |
| { |
| setTestValue(pp.getFileItems(getKey())); |
| } |
| else |
| { |
| setTestValue(pp.getFileItem(getKey())); |
| } |
| } |
| } |