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Prevent too much memory used by logging system

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This commit is contained in:
huangyuhui 2017-06-29 08:30:01 +08:00
parent 2f3c8285c8
commit 979a1a9810
1 changed files with 9 additions and 2 deletions
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11
HMCL/src/main/java/org/jackhuang/hmcl/ui/LogWindow.java
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@ -17,7 +17,6 @@
*/ */
package org.jackhuang.hmcl.ui; package org.jackhuang.hmcl.ui;
import java.awt.Font;
import java.io.PrintStream; import java.io.PrintStream;
import javax.swing.SwingUtilities; import javax.swing.SwingUtilities;
import javax.swing.text.Document; import javax.swing.text.Document;
@ -245,9 +244,17 @@ public class LogWindow extends javax.swing.JFrame {
} }
public void log(final String status, final Level c) { public void log(final String status, final Level c) {
if (isVisible())
return;
SwingUtilities.invokeLater(() -> { SwingUtilities.invokeLater(() -> {
String newStatus = status.replace("\t", " ");
Document d = txtLog.getStyledDocument(); Document d = txtLog.getStyledDocument();
try { // prevent too much memory used.
if (Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory() > 1l * 1024 * 1024 * 256)
d.remove(0, d.getLength());
} catch (Exception ex) {
HMCLog.err("Failed to clear the text component", ex);
}
String newStatus = status.replace("\t", " ");
SimpleAttributeSet sas = new SimpleAttributeSet(); SimpleAttributeSet sas = new SimpleAttributeSet();
StyleConstants.setForeground(sas, c.COLOR); StyleConstants.setForeground(sas, c.COLOR);
try { try {