diff options
Diffstat (limited to 'BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/viewer')
| -rw-r--r-- | BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/viewer/MimeFilter.java | 115 | ||||
| -rw-r--r-- | BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/viewer/SecureViewerSaveDialog.java | 120 |
2 files changed, 235 insertions, 0 deletions
diff --git a/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/viewer/MimeFilter.java b/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/viewer/MimeFilter.java new file mode 100644 index 00000000..c0385dce --- /dev/null +++ b/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/viewer/MimeFilter.java @@ -0,0 +1,115 @@ +/* +* Copyright 2008 Federal Chancellery Austria and +* Graz University of Technology +* +* Licensed 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 at.gv.egiz.bku.gui.viewer; + +import java.io.File; +import java.util.ResourceBundle; +import javax.swing.filechooser.FileFilter; + +/** + * + * @author clemens + */ +class MimeFilter extends FileFilter { + + private static final String MIMETYPE_DESC_XML = "mimetype.desc.xml"; + private static final String MIMETYPE_DESC_HTML = "mimetype.desc.html"; + private static final String MIMETYPE_DESC_XHTML = "mimetype.desc.xhtml"; + private static final String MIMETYPE_DESC_TXT = "mimetype.desc.txt"; + private static final String MIMETYPE_DESC_PDF = "mimetype.desc.pdf"; + private static final String MIMETYPE_DESC_BIN = "mimetype.desc.bin"; + private static final String MIMETYPE_DESC_UNKNOWN = "mimetype.desc.unknown"; + + protected String mimeType; + protected ResourceBundle messages; + + public MimeFilter(String mimeType, ResourceBundle messages) { + this.mimeType = mimeType; + this.messages = messages; + } + + @Override + public boolean accept(File f) { + + if (f.isDirectory()) { + return true; + } + + String ext = getExtension(f); + if ("text/xml".equals(mimeType)) { + return "xml".equalsIgnoreCase(ext); + } else if ("text/html".equals(mimeType)) { + return "html".equalsIgnoreCase(ext) || "htm".equalsIgnoreCase(ext); + } else if ("application/xhtml+xml".equals(mimeType)) { + return "xhtml".equalsIgnoreCase(ext); + } else if ("text/plain".equals(mimeType)) { + return "txt".equalsIgnoreCase(ext); + } else if ("application/pdf".equals(mimeType)) { + return "pdf".equalsIgnoreCase(ext); + } else { + return true; + } + } + + private String getExtension(File f) { + String ext = null; + String s = f.getName(); + int i = s.lastIndexOf('.'); + + if (i > 0 && i < s.length() - 1) { + ext = s.substring(i + 1).toLowerCase(); + } + return ext; + } + + @Override + public String getDescription() { + if ("text/xml".equals(mimeType)) { + return messages.getString(MIMETYPE_DESC_XML); + } else if ("text/html".equals(mimeType)) { + return messages.getString(MIMETYPE_DESC_HTML); + } else if ("application/xhtml+xml".equals(mimeType)) { + return messages.getString(MIMETYPE_DESC_XHTML); + } else if ("text/plain".equals(mimeType)) { + return messages.getString(MIMETYPE_DESC_TXT); + } else if ("application/pdf".equals(mimeType)) { + return messages.getString(MIMETYPE_DESC_PDF); + } else if ("application/octet-stream".equals(mimeType)) { + return messages.getString(MIMETYPE_DESC_BIN); + } else { + return messages.getString(MIMETYPE_DESC_UNKNOWN); + } + } + + public static String getExtension(String mimeType) { + if ("text/xml".equals(mimeType)) { + return ".xml"; + } else if ("text/html".equals(mimeType)) { + return ".html"; + } else if ("application/xhtml+xml".equals(mimeType)) { + return ".xhtml"; + } else if ("text/plain".equals(mimeType)) { + return ".txt"; + } else if ("application/pdf".equals(mimeType)) { + return ".pdf"; + } else if ("application/octet-stream".equals(mimeType)) { + return ".bin"; + } else { + return ""; + } + } +}
\ No newline at end of file diff --git a/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/viewer/SecureViewerSaveDialog.java b/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/viewer/SecureViewerSaveDialog.java new file mode 100644 index 00000000..40133f95 --- /dev/null +++ b/BKUCommonGUI/src/main/java/at/gv/egiz/bku/gui/viewer/SecureViewerSaveDialog.java @@ -0,0 +1,120 @@ +package at.gv.egiz.bku.gui.viewer; + +import java.awt.event.ActionEvent; +import java.awt.event.ActionListener; +import java.io.BufferedOutputStream; +import java.io.File; +import java.io.FileOutputStream; +import java.io.IOException; +import java.io.InputStream; +import java.text.MessageFormat; +import java.util.Locale; +import java.util.ResourceBundle; + +import javax.swing.JFileChooser; +import javax.swing.JOptionPane; +import javax.swing.SwingUtilities; + +import org.apache.commons.logging.Log; +import org.apache.commons.logging.LogFactory; + +import at.gv.egiz.bku.gui.BKUGUIFacade; +import at.gv.egiz.stal.HashDataInput; + +public class SecureViewerSaveDialog { + + protected static final Log log = LogFactory.getLog(SecureViewerSaveDialog.class); + + public static void showSaveDialog(final HashDataInput hashDataInput, final ResourceBundle messages, + final ActionListener okListener, final String okCommand) { + + log.debug("[" + Thread.currentThread().getName() + + "] scheduling save dialog"); + + SwingUtilities.invokeLater(new Runnable() { + + @Override + public void run() { + + log + .debug("[" + Thread.currentThread().getName() + + "] show save dialog"); + + String userHome = System.getProperty("user.home"); + + JFileChooser fileDialog = new JFileChooser(userHome); + fileDialog.setMultiSelectionEnabled(false); + fileDialog.setDialogType(JFileChooser.SAVE_DIALOG); + fileDialog.setFileHidingEnabled(true); + fileDialog.setDialogTitle(messages + .getString(BKUGUIFacade.WINDOWTITLE_SAVE)); + fileDialog.setFileSelectionMode(JFileChooser.FILES_ONLY); + String mimeType = hashDataInput.getMimeType(); + MimeFilter mimeFilter = new MimeFilter(mimeType, messages); + fileDialog.setFileFilter(mimeFilter); + String filename = messages + .getString(BKUGUIFacade.SAVE_HASHDATAINPUT_PREFIX) + + MimeFilter.getExtension(mimeType); + fileDialog.setSelectedFile(new File(userHome, filename)); + + // parent contentPane -> placed over applet + switch (fileDialog.showSaveDialog(fileDialog)) { + case JFileChooser.APPROVE_OPTION: + File file = fileDialog.getSelectedFile(); + String id = hashDataInput.getReferenceId(); + if (file.exists()) { + String msgPattern = messages + .getString(BKUGUIFacade.MESSAGE_OVERWRITE); + int overwrite = JOptionPane.showConfirmDialog(fileDialog, + MessageFormat.format(msgPattern, file), messages + .getString(BKUGUIFacade.WINDOWTITLE_OVERWRITE), + JOptionPane.OK_CANCEL_OPTION); + if (overwrite != JOptionPane.OK_OPTION) { + break; + } + } + if (log.isDebugEnabled()) { + log.debug("writing hashdata input " + id + " (" + mimeType + + ") to file " + file); + } + FileOutputStream fos = null; + try { + fos = new FileOutputStream(file); + BufferedOutputStream bos = new BufferedOutputStream(fos); + InputStream hdi = hashDataInput.getHashDataInput(); + int b; + while ((b = hdi.read()) != -1) { + bos.write(b); + } + bos.flush(); + bos.close(); + } catch (IOException ex) { + log.error("Failed to write " + file + ": " + ex.getMessage()); + log.debug(ex); + String errPattern = messages + .getString(BKUGUIFacade.ERR_WRITE_HASHDATA); + JOptionPane.showMessageDialog(fileDialog, MessageFormat.format( + errPattern, ex.getMessage()), messages + .getString(BKUGUIFacade.WINDOWTITLE_ERROR), + JOptionPane.ERROR_MESSAGE); + } finally { + try { + if (fos != null) { + fos.close(); + } + } catch (IOException ex) { + } + } + break; + case JFileChooser.CANCEL_OPTION: + log.debug("cancelled save dialog"); + break; + } + if (okListener != null) { + okListener.actionPerformed(new ActionEvent(fileDialog, + ActionEvent.ACTION_PERFORMED, okCommand)); + } + } + }); + } +} |