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修复加载JREs时可能的并发修改异常

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This commit is contained in:
yushijinhun 2018-06-07 00:46:16 +08:00
parent 6a89f0a661
commit d75c3b584a
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GPG Key ID: 5BC167F73EA558E4
2 changed files with 37 additions and 22 deletions
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55
HMCL/src/main/java/org/jackhuang/hmcl/ui/VersionSettingsController.java
View File

@ -23,7 +23,6 @@ import com.jfoenix.controls.JFXTextField;
import com.jfoenix.controls.JFXToggleButton;
import javafx.application.Platform;
import javafx.fxml.FXML;
import javafx.scene.Node;
import javafx.scene.control.Label;
import javafx.scene.control.ScrollPane;
import javafx.scene.control.Toggle;
@ -44,7 +43,7 @@ import org.jackhuang.hmcl.util.*;
import java.io.File;
import java.io.IOException;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
import java.util.Optional;
import java.util.logging.Level;
import java.util.stream.Collectors;
@ -84,11 +83,14 @@ public final class VersionSettingsController {
FXUtils.smoothScrolling(scroll);
Task.of(variables -> variables.set("list", JavaVersion.getJREs().stream().map(javaVersion ->
javaItem.createChildren(javaVersion.getVersion(), javaVersion.getBinary().getAbsolutePath(), javaVersion)
).collect(Collectors.toList()))).subscribe(Schedulers.javafx(), variables ->
javaItem.loadChildren(variables.<Collection<Node>>get("list"))
);
Task.of(variables -> variables.set("list", JavaVersion.getJREs()))
.subscribe(Schedulers.javafx(), variables -> {
javaItem.loadChildren(
(variables.<List<JavaVersion>>get("list")).stream()
.map(javaVersion -> javaItem.createChildren(javaVersion.getVersion(), javaVersion.getBinary().getAbsolutePath(), javaVersion))
.collect(Collectors.toList()));
initializeSelectedJava();
});
if (OperatingSystem.CURRENT_OS == OperatingSystem.WINDOWS)
javaItem.getExtensionFilters().add(new FileChooser.ExtensionFilter("Java", "java.exe", "javaw.exe"));
@ -151,17 +153,6 @@ public final class VersionSettingsController {
FXUtils.bindBoolean(chkShowLogs, versionSetting.showLogsProperty());
FXUtils.bindEnum(cboLauncherVisibility, versionSetting.launcherVisibilityProperty());
boolean flag = false;
Toggle defaultToggle = null;
for (Toggle toggle : javaItem.getGroup().getToggles()) {
if (toggle.getUserData() == Lang.invoke(versionSetting::getJavaVersion)) {
toggle.setSelected(true);
flag = true;
} else if (toggle.getUserData() == JavaVersion.fromCurrentEnvironment()) {
defaultToggle = toggle;
}
}
javaItem.setToggleSelectedListener(newValue -> {
if (javaItem.isCustomToggle(newValue)) {
versionSetting.setJava("Custom");
@ -173,10 +164,6 @@ public final class VersionSettingsController {
}
});
if (!flag) {
Optional.ofNullable(defaultToggle).ifPresent(t -> t.setSelected(true));
}
versionSetting.javaDirProperty().setChangedListener(it -> initJavaSubtitle(versionSetting));
versionSetting.javaProperty().setChangedListener(it -> initJavaSubtitle(versionSetting));
initJavaSubtitle(versionSetting);
@ -210,9 +197,33 @@ public final class VersionSettingsController {
lastVersionSetting = versionSetting;
initializeSelectedJava();
loadIcon();
}
private void initializeSelectedJava() {
if (lastVersionSetting == null
|| !JavaVersion.getJREsImmediately().isPresent() /* JREs are still being loaded */) {
return;
}
boolean flag = false;
Toggle defaultToggle = null;
for (Toggle toggle : javaItem.getGroup().getToggles()) {
if (toggle.getUserData() == Lang.invoke(lastVersionSetting::getJavaVersion)) {
toggle.setSelected(true);
flag = true;
} else if (toggle.getUserData() == JavaVersion.fromCurrentEnvironment()) {
defaultToggle = toggle;
}
}
if (!flag) {
Optional.ofNullable(defaultToggle).ifPresent(t -> t.setSelected(true));
}
}
private void initJavaSubtitle(VersionSetting versionSetting) {
Task.of(variables -> variables.set("java", versionSetting.getJavaVersion()))
.subscribe(Task.of(Schedulers.javafx(),

4
HMCLCore/src/main/java/org/jackhuang/hmcl/util/JavaVersion.java
View File

@ -165,6 +165,10 @@ public final class JavaVersion implements Serializable {
private static List<JavaVersion> JAVAS;
private static final CountDownLatch LATCH = new CountDownLatch(1);
public static Optional<List<JavaVersion>> getJREsImmediately() {
return Optional.ofNullable(JAVAS);
}
public static List<JavaVersion> getJREs() throws InterruptedException {
if (JAVAS != null)
return JAVAS;