Java tutorial
/* * Copyright (c) 2002-2014, Mairie de Paris * 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 * and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice * and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * 3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS 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 COPYRIGHT HOLDERS OR 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. * * License 1.0 */ package fr.paris.lutece.plugins.genericattributes.business; import fr.paris.lutece.util.filesystem.FileSystemUtil; import org.apache.commons.fileupload.FileItem; import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.UnsupportedEncodingException; /** * GenAttFileItem : builds a new fileItem */ public class GenAttFileItem implements FileItem { private static final long serialVersionUID = -8540841906551362771L; private byte[] _bValue; private String _strFileName; private String _strFieldName; private int _nIdResponse; /** * Creates a new file item * @param bValue the byte value * @param strFileName the file name */ public GenAttFileItem(byte[] bValue, String strFileName) { _bValue = bValue; _strFileName = strFileName; } /** * Creates a new file item * @param bValue the byte value * @param strFileName the file name * @param nIdResponse The id of the response associated with this file item * if any */ public GenAttFileItem(byte[] bValue, String strFileName, int nIdResponse) { _bValue = bValue; _strFileName = strFileName; _nIdResponse = nIdResponse; } /** * Creates a new file item * @param bValue the byte value * @param strFileName the file name * @param strFieldName The name of the HTML field associated with this file, * if any * @param nIdResponse The id of the response associated with this file item * if any */ public GenAttFileItem(byte[] bValue, String strFileName, String strFieldName, int nIdResponse) { _bValue = bValue; _strFileName = strFileName; _strFieldName = strFieldName; _nIdResponse = nIdResponse; } /** * {@inheritDoc} */ @Override public void delete() { _bValue = null; } /** * {@inheritDoc} */ @Override public byte[] get() { return _bValue; } /** * {@inheritDoc} */ @Override public String getContentType() { return FileSystemUtil.getMIMEType(_strFileName); } /** * {@inheritDoc} */ @Override public String getFieldName() { return _strFieldName; } /** * {@inheritDoc} */ @Override public InputStream getInputStream() throws IOException { return new ByteArrayInputStream(_bValue); } /** * {@inheritDoc} */ @Override public String getName() { return _strFileName; } /** * {@inheritDoc} */ @Override public OutputStream getOutputStream() throws IOException { return null; } /** * {@inheritDoc} */ @Override public long getSize() { return _bValue.length; } /** * {@inheritDoc} */ @Override public String getString() { return new String(_bValue); } /** * {@inheritDoc} */ @Override public String getString(String encoding) throws UnsupportedEncodingException { return new String(_bValue, encoding); } /** * Get the id of the associated response, if any * @return The id of the associated response, if any */ public int getIdResponse() { return _nIdResponse; } /** * {@inheritDoc} */ @Override public boolean isFormField() { return false; } /** * {@inheritDoc} */ @Override public boolean isInMemory() { return true; } /** * {@inheritDoc} */ @Override public void setFieldName(String strName) { _strFieldName = strName; } /** * {@inheritDoc} */ @Override public void setFormField(boolean bState) { // nothing } /** * Set the id of the associated response, if any * @param nIdResponse The id of the associated response, if any */ public void setIdResponse(int nIdResponse) { _nIdResponse = nIdResponse; } /** * {@inheritDoc} */ @Override public void write(java.io.File file) throws Exception { // nothing } }