/*
* Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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package com.sun.tools.visualvm.modules.startup;
import com.sun.tools.visualvm.modules.startup.dialogs.StartupDialog;
import java.text.MessageFormat;
import java.util.Properties;
import java.util.ResourceBundle;
import javax.swing.JDialog;
import javax.swing.JOptionPane;
import org.openide.LifecycleManager;
import org.openide.modules.ModuleInstall;
import org.openide.util.NbBundle;
/**
*
* @author Jiri Sedlacek
*/
final class VisualVMStartup extends ModuleInstall {
private static final boolean DISABLE_STARTUP_CHECK = Boolean.getBoolean("com.sun.tools.visualvm.modules.startup.DisableStartupCheck"); // NOI18N
private static final ResourceBundle bundle = NbBundle.getBundle(VisualVMStartup.class);
private static final String ERROR_STARTUP_CAPTION = bundle.getString("VisualVMStartup_ErrorStartupCaption"); // NOI18N
private static final String INCORRECT_VERSION_MSG = bundle.getString("VisualVMStartup_IncorrectVersionMsg"); // NOI18N
private static final String JRE_MSG = bundle.getString("VisualVMStartup_JreMsg"); // NOI18N
private static boolean envChecked = false;
public void validate() {
if (!checkEnv()) LifecycleManager.getDefault().exit();
}
static synchronized boolean checkEnv() {
if (envChecked) return true;
envChecked = true;
if (DISABLE_STARTUP_CHECK) {
System.err.println("Starting with com.sun.tools.visualvm.modules.startup.DisableStartupCheck=true"); // NOI18N
} else {
if (!isJava7or8or9()) {
displayError7or8or9();
return false;
} else if (!isJDK()) {
displayErrorJRE();
return false;
}
}
return true;
}
private static void displayError7or8or9() {
Utils.setSystemLaF();
JDialog d = StartupDialog.create(ERROR_STARTUP_CAPTION, MessageFormat.format(INCORRECT_VERSION_MSG,
new Object[] { System.getProperty("java.specification.version"), getJavaInfo(), // NOI18N
getJvmInfo(), System.getProperties().getProperty("java.home", "unknown location") }),
JOptionPane.ERROR_MESSAGE); // NOI18N
d.setVisible(true);
}
private static void displayErrorJRE() {
Utils.setSystemLaF();
JDialog d = StartupDialog.create(ERROR_STARTUP_CAPTION, MessageFormat.format(JRE_MSG,
new Object[] { getJavaInfo(), getJvmInfo(), System.getProperties().getProperty(
"java.home", "unknown location") }), JOptionPane.ERROR_MESSAGE); // NOI18N
d.setVisible(true);
}
private static boolean isJava7or8or9() {
String javaVersion = System.getProperty("java.specification.version"); // NOI18N
if (javaVersion == null) return false;
return javaVersion.startsWith("1.7") || javaVersion.startsWith("1.8") // NOI18N
|| javaVersion.startsWith("1.9") || javaVersion.startsWith("9"); // NOI18N
}
private static boolean isJDK() {
Class vmClass = null;
try { vmClass = Class.forName("com.sun.tools.attach.VirtualMachine"); } catch (ClassNotFoundException ex) {} // NOI18N
return vmClass != null;
}
private static String getJavaInfo() {
Properties systemProperties = System.getProperties();
String javaVersion = systemProperties.getProperty("java.version", "unknown version"); // NOI18N
String vendorInfo = systemProperties.getProperty("java.vendor", "unknown vendor"); // NOI18N
return javaVersion + "; " + vendorInfo; // NOI18N
}
private static String getJvmInfo() {
Properties systemProperties = System.getProperties();
String vmName = systemProperties.getProperty("java.vm.name", "unknown name"); // NOI18N
String vmVerison = systemProperties.getProperty("java.vm.version", ""); // NOI18N
String vmInfo = systemProperties.getProperty("java.vm.info", ""); // NOI18N
return vmName + " (" + vmVerison + ", " + vmInfo + ")"; // NOI18N
}
}