Commons FileUpload example source code file (streaming.xml)
The Commons FileUpload streaming.xml source code
<?xml version="1.0"?> <!-- 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. --> <document> <properties> <title>The Streaming API </properties> <body> <section name="Why Streaming?"> <p> The traditional API, which is described in the <a href="using.html">User Guide</a>, assumes, that file items must be stored somewhere, before they are actually accessable by the user. This approach is convenient, because it allows easy access to an items contents. On the other hand, it is memory and time consuming. </p> <p> The streaming API allows you to trade a little bit of convenience for optimal performance and and a low memory profile. Additionally, the API is more lightweight, thus easier to understand. </p> </section> <section name="How it works"> <p> Again, the <code>FileUpload class is used for accessing the form fields and fields in the order, in which they have been sent by the client. However, the <code>FileItemFactory is completely ignored. </p> </section> <section name="Parsing the request"> <p> First of all, do not forget to ensure, that a request actually is a a file upload request. This is typically done using the same static method, which you already know from the traditional API. </p> <source> <p> Now we are ready to parse the request into its constituent items. Here's how we do it: </p> <source> <p> That's all that's needed. Really! </p> </section> </body> </document>
Other Commons FileUpload examples (source code examples)
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