com.surelogic.common.ui.dialogs.NoLicenseDialog.java Source code

Introduction

Here is the source code for com.surelogic.common.ui.dialogs.NoLicenseDialog.java

Source

package com.surelogic.common.ui.dialogs;

import java.util.Date;
import java.util.HashSet;
import java.util.Set;

import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.progress.UIJob;

import com.surelogic.common.SLUtility;
import com.surelogic.common.i18n.I18N;
import com.surelogic.common.license.ILicenseObserver;
import com.surelogic.common.license.SLLicenseProduct;
import com.surelogic.common.ui.EclipseUIUtility;
import com.surelogic.common.ui.jobs.SLUIJob;

public final class NoLicenseDialog implements ILicenseObserver {

    /**
     * Writes messages to the Eclipse log. May be {@code null}.
     */
    final ILicenseObserver f_toEclipseLog;

    /**
     * Constructs a new instance.
     * 
     * @param toEclipseLog
     *          Writes messages to the Eclipse log. May be {@code null}.
     */
    public NoLicenseDialog(ILicenseObserver toEclipseLog) {
        f_toEclipseLog = toEclipseLog;
    }

    @Override
    public void notifyNoLicenseFor(final SLLicenseProduct product) {
        final String subject = product.toString();
        final UIJob job = new SLUIJob() {
            @Override
            public IStatus runInUIThread(IProgressMonitor monitor) {
                if (f_toEclipseLog != null)
                    f_toEclipseLog.notifyNoLicenseFor(product);
                final String title = I18N.msg("common.manage.licenses.dialog.noLicense.title");
                final String msg = I18N.msg("common.manage.licenses.dialog.noLicense.msg", subject);
                final Shell shell = EclipseUIUtility.getShell();
                if (MessageDialog.openQuestion(shell, title, msg)) {
                    ManageLicensesDialog.open(shell);
                }
                return Status.OK_STATUS;
            }
        };
        job.schedule();
    }

    /**
     * Holds the set of license subject that the user has been notified are close
     * to their expiration date. This set should <i>only</i> be accessed within
     * the UI thread.
     */
    final Set<String> f_alreadyNotified = new HashSet<>();

    @Override
    public void notifyExpiration(final SLLicenseProduct product, final Date expiration) {
        final String subject = product.toString();
        final UIJob job = new SLUIJob() {
            @Override
            public IStatus runInUIThread(IProgressMonitor monitor) {
                /*
                 * Only notify the user once about a particular license.
                 */
                if (!f_alreadyNotified.contains(subject)) {
                    f_alreadyNotified.add(subject);
                    if (f_toEclipseLog != null)
                        f_toEclipseLog.notifyExpiration(product, expiration);
                    final String title = I18N.msg("common.manage.licenses.dialog.expiration.title");
                    final String msg = I18N.msg("common.manage.licenses.dialog.expiration.msg", subject,
                            SLUtility.toStringDay(expiration));
                    final Shell shell = EclipseUIUtility.getShell();
                    if (MessageDialog.openQuestion(shell, title, msg)) {
                        ManageLicensesDialog.open(shell);
                    }
                }
                return Status.OK_STATUS;
            }
        };
        job.schedule();
    }
}