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/**********************************************************************
* JhoveView - JSTOR/Harvard Object Validation Environment
* Copyright 2003 by JSTOR and the President and Fellows of Harvard College
**********************************************************************/
package edu.harvard.hul.ois.jhove.viewer;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Rectangle;
import java.io.PrintWriter;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import edu.harvard.hul.ois.jhove.Agent;
import edu.harvard.hul.ois.jhove.App;
import edu.harvard.hul.ois.jhove.Document;
import edu.harvard.hul.ois.jhove.Identifier;
import edu.harvard.hul.ois.jhove.InternalSignature;
import edu.harvard.hul.ois.jhove.JhoveBase;
import edu.harvard.hul.ois.jhove.Module;
import edu.harvard.hul.ois.jhove.OutputHandler;
import edu.harvard.hul.ois.jhove.Signature;
import edu.harvard.hul.ois.jhove.SignatureType;
/**
* This window is for presenting information about the selected module. If no
* module is selected, a brief message is put into the window.
*/
public class ModuleInfoWindow extends InfoWindow {
private JTextArea texta;
private int _level;
private Module _module;
private static final String DATE = "Date: ";
private static final String NOTE = "Note: ";
private static final String TYPE = "Type: ";
/**
* Constructor.
*
* @param app
* The associated App object.
* @param base
* The associated JhoveBase object.
* @param module
* The Module whose information is to be presented.
*/
public ModuleInfoWindow(App app, JhoveBase base, Module module) {
super("Module Information", app, base);
_module = module;
setSaveActionListener(e -> saveInfo());
texta = new JTextArea();
texta.setColumns(72);
JScrollPane scrollpane = new JScrollPane(texta);
texta.setFont(new Font("sansserif", Font.PLAIN, 10));
texta.setLineWrap(true);
texta.setWrapStyleWord(true);
// Getting Swing to accept what you want for dimensions
// apparently requires setting as many dimension restrictions
// as possible, and hoping it will pay attention to some
// of them.
scrollpane.setMinimumSize(new Dimension(240, 240));
scrollpane.setMaximumSize(new Dimension(600, 500));
scrollpane.setPreferredSize(new Dimension(600, 500));
getContentPane().add(scrollpane, "Center");
// Add a small panel at the bottom, since on some OS's there
// may be stuff near the bottom of a window which will conflict
// with the scroll bar.
JPanel panel = new JPanel();
panel.setMinimumSize(new Dimension(8, 8));
getContentPane().add(panel, "South");
showModule(module);
pack();
}
/**
* Formats and presents the module information in the window.
*/
public void showModule(Module module) {
_module = module;
if (module == null) {
texta.setText("(No module selected)");
} else {
_level = 0;
texta.setText("");
String margin = getIndent(++_level);
texta.append(margin + "Module: " + module.getName() + eol);
texta.append(margin + "Release: " + module.getRelease() + eol);
texta.append(margin + DATE + _dateFmt.format(module.getDate())
+ eol);
String[] ss = module.getFormat();
if (ss.length > 0) {
texta.append(margin + "Format: " + ss[0]);
for (int i = 1; i < ss.length; i++) {
texta.append(", " + ss[i]);
}
texta.append(eol);
}
String s = module.getCoverage();
if (s != null) {
texta.append(margin + "Coverage: " + s + eol);
}
ss = module.getMimeType();
if (ss.length > 0) {
texta.append(margin + "MIMEtype: " + ss[0]);
for (int i = 1; i < ss.length; i++) {
texta.append(", " + ss[i]);
}
texta.append(eol);
}
for (Signature sig : module.getSignature()) {
showSignature(sig);
}
for (Document spec : module.getSpecification()) {
showDocument(spec, "Specification");
}
texta.append(margin + " Features:\n");
for (String feature : module.getFeatures()) {
texta.append(margin + " " + feature + "\n");
}
texta.append(margin + "Methodology:\n");
if ((s = module.getWellFormedNote()) != null) {
texta.append(margin + "Well-formed: " + s + eol);
}
if ((s = module.getValidityNote()) != null) {
texta.append(margin + "Validity: " + s + eol);
}
if ((s = module.getRepInfoNote()) != null) {
texta.append(margin + "RepresentationInformation: " + s + eol);
}
Agent vendor = module.getVendor();
if (vendor != null) {
showAgent(vendor, "Vendor");
}
if ((s = module.getNote()) != null) {
texta.append(margin + NOTE + s + eol);
}
if ((s = module.getRights()) != null) {
texta.append(margin + "Rights: " + s + eol);
}
}
// Scroll to the top.
texta.setEditable(false);
texta.select(0, 0);
Rectangle r = new Rectangle(0, 0, 1, 1);
texta.scrollRectToVisible(r);
}
private void showSignature(Signature signature) {
String margin = getIndent(++_level);
String sigValue;
if (signature.isStringValue()) {
sigValue = signature.getValueString();
} else {
sigValue = signature.getValueHexString();
}
texta.append(margin + signature.getType().toString() + ": " + sigValue
+ eol);
if (signature.getType().equals(SignatureType.MAGIC)) {
if (((InternalSignature) signature).hasFixedOffset()) {
texta.append(margin + "Offset: "
+ ((InternalSignature) signature).getOffset() + eol);
}
}
String note = signature.getNote();
if (note != null) {
texta.append(margin + NOTE + note + eol);
}
String use = signature.getUse().toString();
if (use != null) {
texta.append(margin + "Use: " + use + eol);
}
--_level;
}
private void showDocument(Document document, String label) {
String margin = getIndent(++_level);
texta.append(margin + label + ": " + document.getTitle() + eol);
texta.append(margin + TYPE + document.getType() + eol);
for (Agent agent : document.getAuthor()) {
showAgent(agent, "Author");
}
for (Agent publisher : document.getPublisher()) {
showAgent(publisher, "Publisher");
}
String s = document.getEdition();
if (s != null) {
texta.append(margin + "Edition: " + s + eol);
}
if ((s = document.getDate()) != null) {
texta.append(margin + DATE + s + eol);
}
if ((s = document.getEnumeration()) != null) {
texta.append(margin + "Enumeration: " + s + eol);
}
if ((s = document.getPages()) != null) {
texta.append(margin + "Pages: " + s + eol);
}
for (Identifier id : document.getIdentifier()) {
showIdentifier(id);
}
if ((s = document.getNote()) != null) {
texta.append(margin + NOTE + s + eol);
}
_level--;
}
private void showAgent(Agent agent, String label) {
String margin = getIndent(++_level);
texta.append(margin + label + ": " + agent.getName() + eol);
texta.append(margin + TYPE + agent.getType().toString() + eol);
String s = agent.getAddress();
if (s != null) {
texta.append(margin + "Address: " + s + eol);
}
if ((s = agent.getTelephone()) != null) {
texta.append(margin + "Telephone: " + s + eol);
}
if ((s = agent.getFax()) != null) {
texta.append(margin + "Fax: " + s + eol);
}
if ((s = agent.getEmail()) != null) {
texta.append(margin + "Email: " + s + eol);
}
if ((s = agent.getWeb()) != null) {
texta.append(margin + "Web: " + s + eol);
}
_level--;
}
private void showIdentifier(Identifier identifier) {
String margin = getIndent(++_level);
texta.append(margin + "Identifier: " + identifier.getValue() + eol);
texta.append(margin + TYPE + identifier.getType().toString() + eol);
String note = identifier.getNote();
if (note != null) {
texta.append(margin + NOTE + note + eol);
}
_level--;
}
private String getIndent(int lev) {
switch (lev) {
case 1:
return " ";
case 2:
return " ";
case 3:
return " ";
case 4:
return " ";
default:
return "";
}
}
/**
* Saves the information to a file
*/
private void saveInfo() {
if (_module == null) {
JOptionPane.showMessageDialog(this, "No module selected",
"Can't save", JOptionPane.INFORMATION_MESSAGE);
return;
}
PrintWriter wtr = doSaveDialog();
if (wtr == null) {
return;
}
OutputHandler handler = selectHandler();
try {
handler.setWriter(wtr);
handler.show(_module);
wtr.close();
} catch (Exception e) {
JOptionPane.showMessageDialog(this, e.getMessage(),
"Error writing file", JOptionPane.ERROR_MESSAGE);
}
}
}