fixes issue 1482

git-svn-id: http://svn.dmdirc.com/trunk@4415 00569f92-eb28-0410-84fd-f71c24880f

src/com/dmdirc/ui/swing/dialogs/FeedbackDialog.java

@@ -276,6 +276,9 @@ public class FeedbackDialog extends StandardDialog implements ActionListener,
     /** {@inheritDoc} */
     @Override
     public void dispose() {
+        if (me == null) {
+            return;
+        }
         synchronized (me) {
             super.dispose();
             me = null;

src/com/dmdirc/ui/swing/dialogs/NewServerDialog.java

@@ -287,6 +287,9 @@ public final class NewServerDialog extends StandardDialog implements ActionListe
     /** {@inheritDoc} */
     @Override
     public void dispose() {
+        if (me == null) {
+            return;
+        }
         synchronized (me) {
             super.dispose();
             me = null;

src/com/dmdirc/ui/swing/dialogs/URLDialog.java

@@ -156,6 +156,9 @@ public class URLDialog extends StandardDialog implements ActionListener {
     /** {@inheritDoc} */
     @Override
     public void dispose() {
+        if (me == null) {
+            return;
+        }
         synchronized (me) {
             super.dispose();
             me = null;

src/com/dmdirc/ui/swing/dialogs/about/AboutDialog.java

@@ -118,6 +118,9 @@ public final class AboutDialog extends StandardDialog implements
     /** {@inheritDoc} */
     @Override
     public void dispose() {
+        if (me == null) {
+            return;
+        }
         synchronized (me) {
             super.dispose();
             me = null;

src/com/dmdirc/ui/swing/dialogs/actionseditor/ActionsEditorDialog.java

@@ -348,6 +348,9 @@ public final class ActionsEditorDialog extends StandardDialog implements
     /** {@inheritDoc} */
     @Override
     public void dispose() {
+        if (me == null) {
+            return;
+        }
         synchronized (me) {
             super.dispose();
             me = null;

src/com/dmdirc/ui/swing/dialogs/actionseditor/ConditionEditorDialog.java

@@ -449,6 +449,9 @@ public final class ConditionEditorDialog extends StandardDialog implements
     /** {@inheritDoc} */
     @Override
     public void dispose() {
+        if (me == null) {
+            return;
+        }
         synchronized (me) {
             super.dispose();
             me = null;

src/com/dmdirc/ui/swing/dialogs/actionsmanager/ActionsManagerDialog.java

@@ -439,6 +439,9 @@ public final class ActionsManagerDialog extends StandardDialog implements Action
     /** {@inheritDoc} */
     @Override
     public void dispose() {
+        if (me == null) {
+            return;
+        }
         synchronized (me) {
             super.dispose();
             me = null;

src/com/dmdirc/ui/swing/dialogs/aliases/AliasManagerDialog.java

@@ -436,6 +436,9 @@ public final class AliasManagerDialog extends StandardDialog implements
     /** {@inheritDoc} */
     @Override
     public void dispose() {
+        if (me == null) {
+            return;
+        }
         synchronized (me) {
             super.dispose();
             me = null;

src/com/dmdirc/ui/swing/dialogs/channelsetting/ChannelSettingsDialog.java

@@ -260,6 +260,9 @@ public final class ChannelSettingsDialog extends StandardDialog implements Actio
     /** {@inheritDoc} */
     @Override
     public void dispose() {
+        if (me == null) {
+            return;
+        }
         synchronized (me) {
             super.dispose();
             me = null;

src/com/dmdirc/ui/swing/dialogs/error/ErrorListDialog.java

@@ -398,6 +398,9 @@ public final class ErrorListDialog extends StandardDialog implements
     /** {@inheritDoc} */
     @Override
     public void dispose() {
+        if (me == null) {
+            return;
+        }
         synchronized (me) {
             super.dispose();
             me = null;

src/com/dmdirc/ui/swing/dialogs/prefs/SwingPreferencesDialog.java

@@ -433,6 +433,9 @@ public final class SwingPreferencesDialog extends StandardDialog implements
     /** {@inheritDoc} */
     @Override
     public void dispose() {
+        if (me == null) {
+            return;
+        }
         synchronized (me) {
             manager.close();
             super.dispose();

src/com/dmdirc/ui/swing/dialogs/profiles/ProfileManagerDialog.java

@@ -271,6 +271,9 @@ public final class ProfileManagerDialog extends StandardDialog implements Action
     /** {@inheritDoc} */
     @Override
     public void dispose() {
+        if (me == null) {
+            return;
+        }
         synchronized (me) {
             super.dispose();
             me = null;

src/com/dmdirc/ui/swing/dialogs/serversetting/ServerSettingsDialog.java

@@ -260,6 +260,9 @@ public final class ServerSettingsDialog extends StandardDialog implements Action
     /** {@inheritDoc} */
     @Override
     public void dispose() {
+        if (me == null) {
+            return;
+        }
         synchronized (me) {
             super.dispose();
             me = null;

src/com/dmdirc/ui/swing/dialogs/updater/SwingUpdaterDialog.java

@@ -237,6 +237,9 @@ public final class SwingUpdaterDialog extends StandardDialog implements
     /** {@inheritDoc} */
     @Override
     public void dispose() {
+        if (me == null) {
+            return;
+        }
         synchronized (me) {
             super.dispose();
             me = null;