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Diffstat (limited to 'netx/net/sourceforge/jnlp/services/XFileSaveService.java')
-rw-r--r-- | netx/net/sourceforge/jnlp/services/XFileSaveService.java | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/netx/net/sourceforge/jnlp/services/XFileSaveService.java b/netx/net/sourceforge/jnlp/services/XFileSaveService.java new file mode 100644 index 0000000..d3fbe2e --- /dev/null +++ b/netx/net/sourceforge/jnlp/services/XFileSaveService.java @@ -0,0 +1,140 @@ +/* XFileSaveService.java + Copyright (C) 2008 Red Hat, Inc. + +This file is part of IcedTea. + +IcedTea is free software; you can redistribute it and/or +modify it under the terms of the GNU General Public License as published by +the Free Software Foundation, version 2. + +IcedTea is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with IcedTea; see the file COPYING. If not, write to +the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. +*/ + +package net.sourceforge.jnlp.services; + +import java.io.*; +import java.net.*; +import java.util.*; +import java.lang.ref.*; +import javax.jnlp.*; + +import net.sourceforge.jnlp.*; +import net.sourceforge.jnlp.security.*; + +import javax.swing.JFileChooser; +import javax.swing.JOptionPane; +import java.security.*; + +/** + * The FileSaveService JNLP service. + * + * @author <a href="mailto:[email protected]">Joshua Sumali</a> + */ +class XFileSaveService implements FileSaveService { + + protected XFileSaveService() { + } + + /** + * Prompts the user to save a file. + */ + public FileContents saveFileDialog(java.lang.String pathHint, + java.lang.String[] extensions, java.io.InputStream stream, + java.lang.String name) throws java.io.IOException { + + if (ServiceUtil.checkAccess(SecurityWarningDialog.AccessType.WRITE_FILE)) { + JFileChooser chooser = new JFileChooser(); + int chosen = chooser.showSaveDialog(null); + + if (chosen == JFileChooser.APPROVE_OPTION) { + writeToFile(stream, chooser.getSelectedFile()); + return (FileContents) ServiceUtil.createPrivilegedProxy( + FileContents.class, + new XFileContents(chooser.getSelectedFile())); + } else { + return null; + } + } else { + return null; + } + } + + /** + * Prompts the user to save a file, with an optional pre-set filename. + */ + public FileContents saveAsFileDialog(java.lang.String pathHint, + java.lang.String[] extensions, FileContents contents) throws java.io.IOException { + + if (ServiceUtil.checkAccess(SecurityWarningDialog.AccessType.WRITE_FILE)) { + JFileChooser chooser = new JFileChooser(); + chooser.setSelectedFile(new File(contents.getName())); + int chosen = chooser.showSaveDialog(null); + + if (chosen == JFileChooser.APPROVE_OPTION) { + writeToFile(contents.getInputStream(), + chooser.getSelectedFile()); + + return (FileContents) ServiceUtil.createPrivilegedProxy( + FileContents.class, + new XFileContents(chooser.getSelectedFile())); + } else { + return null; + } + } else { + return null; + } + } + + /** + * Writes actual file to disk. + */ + private void writeToFile(InputStream stream, File file) throws IOException { + if (!file.createNewFile()) { //file exists + boolean replace = (JOptionPane.showConfirmDialog(null, + file.getAbsolutePath() + " already exists.\n" + +"Do you want to replace it?", + "Warning - File Exists", JOptionPane.YES_NO_OPTION) == 0); + if (!replace) + return; + } else { + file.createNewFile(); + } + + if (file.canWrite()) { + FileOutputStream out = new FileOutputStream(file); + byte[] b = new byte[256]; + int read = 0; + while ((read = stream.read(b)) > 0) + out.write(b, 0, read); + out.flush(); + out.close(); + } else { + throw new IOException("Unable to open file for writing"); + } + } +} |