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org.apache.cayenne.modeler.dialog.ErrorDebugDialog Maven / Gradle / Ivy
/*****************************************************************
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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
*
* https://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 org.apache.cayenne.modeler.dialog;
import org.apache.cayenne.modeler.Application;
import org.apache.cayenne.modeler.CayenneModelerFrame;
import org.apache.cayenne.modeler.util.CayenneDialog;
import org.apache.cayenne.modeler.util.ModelerUtil;
import org.apache.cayenne.modeler.util.PanelFactory;
import org.apache.cayenne.util.LocalizedStringsHandler;
import org.apache.cayenne.util.Util;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JEditorPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.ScrollPaneConstants;
import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.HeadlessException;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.StringWriter;
/**
* Displays CayenneModeler exceptions and warning messages.
*
*/
public class ErrorDebugDialog extends CayenneDialog implements ActionListener {
private static Logger logObj = LoggerFactory.getLogger(ErrorDebugDialog.class);
/**
* Sole instance of error/warning dialog to disallow showing of multiple dialogs
*/
private static ErrorDebugDialog instance;
protected JButton close;
protected JButton showHide;
protected JTextArea exText = new JTextArea();
protected JPanel exPanel;
protected Throwable throwable;
protected boolean detailed;
/**
* Shows an error dialog with stack trace
*/
public static void guiException(Throwable th) {
if (th != null) {
logObj.error("CayenneModeler Error", th);
}
ErrorDebugDialog dialog =
new ErrorDebugDialog(Application.getFrame(), "CayenneModeler Error", th, true, false);
showDialog(dialog);
}
/**
* Shows an warning dialog with stack trace
*/
public static void guiWarning(Throwable th, String message) {
if (th != null) {
logObj.warn("CayenneModeler Warning", th);
}
WarningDialog dialog = new WarningDialog(Application.getFrame(), message, th, false, false);
showDialog(dialog);
}
/**
* Shows an error/warning dialog, closing existing if needed
*/
private static void showDialog(ErrorDebugDialog dialog) {
if (instance != null) {
instance.dispose();
}
instance = dialog;
dialog.setVisible(true);
}
/**
* Constructor for ErrorDebugDialog.
*/
protected ErrorDebugDialog(
CayenneModelerFrame owner,
String title,
Throwable throwable,
boolean detailed)
throws HeadlessException {
this(owner, title, throwable, detailed, true);
}
/**
* Constructor for ErrorDebugDialog, allowing to specify 'modal' property
*/
protected ErrorDebugDialog(
CayenneModelerFrame owner,
String title,
Throwable throwable,
boolean detailed,
boolean modal)
throws HeadlessException {
super(owner, title, modal);
setThrowable(Util.unwindException(throwable));
setDetailed(detailed);
init();
}
protected void init() {
setResizable(false);
Container pane = this.getContentPane();
pane.setLayout(new BorderLayout());
// info area
JEditorPane infoText = new JEditorPane("text/html", infoHTML());
infoText.setBackground(pane.getBackground());
infoText.setEditable(false);
// popup hyperlinks
infoText.addHyperlinkListener(this);
JPanel infoPanel = new JPanel();
infoPanel.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
infoPanel.add(infoText);
pane.add(infoPanel, BorderLayout.NORTH);
// exception area
if (throwable != null) {
exText.setEditable(false);
exText.setLineWrap(true);
exText.setWrapStyleWord(true);
exText.setRows(16);
exText.setColumns(40);
JScrollPane exScroll =
new JScrollPane(
exText,
ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED,
ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
exPanel = new JPanel();
exPanel.setLayout(new BorderLayout());
exPanel.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
exPanel.add(exScroll, BorderLayout.CENTER);
// buttons
showHide = new JButton("");
showHide.addActionListener(this);
if (isDetailed()) {
showDetails();
} else {
hideDetails();
}
}
close = new JButton("Close");
close.addActionListener(this);
getRootPane().setDefaultButton(showHide);
JButton[] buttons = (showHide != null) ? new JButton[] { close, showHide }
: new JButton[] { close };
pane.add(PanelFactory.createButtonPanel(buttons), BorderLayout.SOUTH);
//add a listener to clear static variables, not to produce garbage
addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
instance = null;
}
});
// prepare to display
this.pack();
this.centerWindow();
}
protected String infoHTML() {
String bugreportURL = ModelerUtil.getProperty("cayenne.bugreport.url");
return ""
+ getTitle()
+ " Please copy the message below and "
+ "report this error by going to "
+ bugreportURL
+ " ";
}
protected void setThrowable(Throwable throwable) {
this.throwable = throwable;
String text = null;
if (throwable != null) {
StringWriter str = new StringWriter();
PrintWriter out = new PrintWriter(str);
// first add extra diagnostics
String version = LocalizedStringsHandler.getString("cayenne.version");
version = (version != null) ? version : "(unknown)";
String buildDate = LocalizedStringsHandler.getString("cayenne.build.date");
buildDate = (buildDate != null) ? buildDate : "(unknown)";
out.println("CayenneModeler Info");
out.println("Version: " + version);
out.println("Build Date: " + buildDate);
out.println("Exception: ");
out.println("=================================");
buildStackTrace(out, throwable);
try {
out.close();
str.close();
} catch (IOException ioex) {
// this should never happen
}
text = str.getBuffer().toString();
}
exText.setText(text);
}
protected void buildStackTrace(PrintWriter out, Throwable th) {
if (th == null) {
return;
}
th.printStackTrace(out);
Throwable cause = th.getCause();
if (cause != null) {
out.println("Caused by:");
buildStackTrace(out, cause);
}
}
public void actionPerformed(ActionEvent e) {
if (e.getSource() == close) {
this.dispose();
} else if (e.getSource() == showHide) {
if (isDetailed()) {
hideDetails();
} else {
showDetails();
}
this.pack();
this.centerWindow();
}
}
protected void hideDetails() {
getContentPane().remove(exPanel);
showHide.setText("Show Details");
setDetailed(false);
}
protected void showDetails() {
getContentPane().add(exPanel, BorderLayout.CENTER);
showHide.setText("Hide Details");
setDetailed(true);
}
/**
* Returns the detailed.
* @return boolean
*/
public boolean isDetailed() {
return detailed;
}
/**
* Sets the detailed.
* @param detailed The detailed to set
*/
public void setDetailed(boolean detailed) {
this.detailed = detailed;
}
}
