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Add debug message for tracing EmptyStackException and IllegalStateException

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huangyuhui
2018-06-30 22:09:35 +08:00
parent 34f7774ce9
commit 4fa01216b1
2 changed files with 11 additions and 6 deletions
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4
HMCL/src/main/java/org/jackhuang/hmcl/ui/download/DownloadWizardProvider.java
View File

@@ -102,10 +102,10 @@ public final class DownloadWizardProvider implements WizardProvider {
case 1:
return new ModpackPage(controller);
default:
throw new IllegalStateException("Error step " + step + ", subStep " + subStep + ", settings: " + settings);
throw new IllegalStateException("Error step " + step + ", subStep " + subStep + ", settings: " + settings + ", pages: " + controller.getPages());
}
default:
throw new IllegalStateException("error step " + step + ", settings: " + settings);
throw new IllegalStateException("error step " + step + ", settings: " + settings + ", pages: " + controller.getPages());
}
}

13
HMCL/src/main/java/org/jackhuang/hmcl/ui/wizard/WizardController.java
View File

@@ -20,10 +20,7 @@ package org.jackhuang.hmcl.ui.wizard;
import javafx.scene.Node;
import org.jackhuang.hmcl.task.Task;
import java.util.HashMap;
import java.util.Map;
import java.util.Objects;
import java.util.Stack;
import java.util.*;
public class WizardController implements Navigation {
private final WizardDisplayer displayer;
@@ -47,6 +44,10 @@ public class WizardController implements Navigation {
this.provider = provider;
}
public List<Node> getPages() {
return Collections.unmodifiableList(pages);
}
@Override
public void onStart() {
Objects.requireNonNull(provider);
@@ -81,6 +82,10 @@ public class WizardController implements Navigation {
@Override
public void onPrev(boolean cleanUp) {
if (!canPrev()) {
throw new IllegalStateException("Cannot go backward since this is the back page. Pages: " + pages);
}
Node page = pages.pop();
if (cleanUp && page instanceof WizardPage)
((WizardPage) page).cleanup(settings);