001: /*
002: * Copyright (c) JForum Team
003: * All rights reserved.
004: *
005: * Redistribution and use in source and binary forms,
006: * with or without modification, are permitted provided
007: * that the following conditions are met:
008: *
009: * 1) Redistributions of source code must retain the above
010: * copyright notice, this list of conditions and the
011: * following disclaimer.
012: * 2) Redistributions in binary form must reproduce the
013: * above copyright notice, this list of conditions and
014: * the following disclaimer in the documentation and/or
015: * other materials provided with the distribution.
016: * 3) Neither the name of "Rafael Steil" nor
017: * the names of its contributors may be used to endorse
018: * or promote products derived from this software without
019: * specific prior written permission.
020: *
021: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
022: * HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
023: * EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
024: * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
025: * MERCHANTABILITY AND FITNESS FOR A PARTICULAR
026: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
027: * THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
028: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
029: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES
030: * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
031: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
032: * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
033: * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
034: * IN CONTRACT, STRICT LIABILITY, OR TORT
035: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
036: * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
037: * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
038: *
039: * Created on Jan 18, 2005 4:06:08 PM
040: * The JForum Project
041: * http://www.jforum.net
042: */
043: package net.jforum.view.forum.common;
044:
045: import java.io.BufferedInputStream;
046: import java.io.FileOutputStream;
047: import java.io.IOException;
048:
049: import net.jforum.exceptions.ForumException;
050: import net.jforum.util.legacy.commons.fileupload.FileItem;
051:
052: /**
053: * @author Rafael Steil
054: * @version $Id: UploadUtils.java,v 1.15 2007/07/28 14:17:09 rafaelsteil Exp $
055: */
056: public class UploadUtils {
057: private FileItem item;
058: private String extension = "";
059:
060: public UploadUtils(FileItem item) {
061: this .item = item;
062: }
063:
064: public String getExtension() {
065: if (this .extension == null || this .extension.equals("")) {
066: this .extension = this .item.getName().substring(
067: this .item.getName().lastIndexOf('.') + 1);
068: }
069:
070: return this .extension;
071: }
072:
073: public void saveUploadedFile(String filename) {
074: BufferedInputStream inputStream = null;
075: FileOutputStream outputStream = null;
076:
077: try {
078: inputStream = new BufferedInputStream(this .item
079: .getInputStream());
080: outputStream = new FileOutputStream(filename);
081:
082: int c;
083: byte[] b = new byte[4096];
084: while ((c = inputStream.read(b)) != -1) {
085: outputStream.write(b, 0, c);
086: }
087: } catch (IOException e) {
088: throw new ForumException(e);
089: } finally {
090: if (outputStream != null) {
091: try {
092: outputStream.flush();
093: outputStream.close();
094: } catch (IOException e) {
095: }
096: }
097:
098: if (inputStream != null) {
099: try {
100: inputStream.close();
101: } catch (IOException e) {
102: }
103: }
104: }
105: }
106: }
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