Commons FileUpload example source code file (FileItemIterator.java)

This example Commons FileUpload source code file (FileItemIterator.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Commons FileUpload tags/keywords

fileitemiterator, fileitemiterator, fileitemstream, fileitemstream, fileuploadexception, fileuploadexception, io, ioexception, ioexception

The Commons FileUpload FileItemIterator.java source code

/*
 * 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.
 */
package org.apache.commons.fileupload;
import java.io.IOException;


/**
 * An iterator, as returned by
 * {@link FileUploadBase#getItemIterator(RequestContext)}.
 */
public interface FileItemIterator {
    /**
     * Returns, whether another instance of {@link FileItemStream}
     * is available.
     * @throws FileUploadException Parsing or processing the
     *   file item failed.
     * @throws IOException Reading the file item failed.
     * @return True, if one or more additional file items
     *   are available, otherwise false.
     */
    boolean hasNext() throws FileUploadException, IOException;

    /**
     * Returns the next available {@link FileItemStream}.
     * @throws java.util.NoSuchElementException No more items are available. Use
     * {@link #hasNext()} to prevent this exception.
     * @throws FileUploadException Parsing or processing the
     *   file item failed.
     * @throws IOException Reading the file item failed.
     * @return FileItemStream instance, which provides
     *   access to the next file item.
     */
    FileItemStream next() throws FileUploadException, IOException;
}