01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */
17: package org.apache.wicket.util.upload;
18:
19: /**
20: * <p>
21: * A factory interface for creating {@link FileItem} instances. Factories can
22: * provide their own custom configuration, over and above that provided by the
23: * default file upload implementation.
24: * </p>
25: *
26: * @author <a href="mailto:martinc@apache.org">Martin Cooper</a>
27: */
28: public interface FileItemFactory {
29:
30: /**
31: * Create a new {@link FileItem} instance from the supplied parameters and
32: * any local factory configuration.
33: *
34: * @param fieldName
35: * The name of the form field.
36: * @param contentType
37: * The content type of the form field.
38: * @param isFormField
39: * <code>true</code> if this is a plain form field;
40: * <code>false</code> otherwise.
41: * @param fileName
42: * The name of the uploaded file, if any, as supplied by the
43: * browser or other client.
44: *
45: * @return The newly created file item.
46: */
47: FileItem createItem(String fieldName, String contentType,
48: boolean isFormField, String fileName);
49: }
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