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src/_VisualDVM/Passes/All/ShowComponentChangesLog.java

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+package _VisualDVM.Passes.All;
+import Common.Utils.Utils_;
+import _VisualDVM.Current;
+import Common.Visual.Windows.Dialog.Text.ReadOnlyMultilineTextForm;
+import _VisualDVM.Global;
+import _VisualDVM.Utils;
+import _VisualDVM.Repository.Component.Component;
+import _VisualDVM.Repository.Server.ServerCode;
+import _VisualDVM.Repository.Server.ServerExchangeUnit_2021;
+import _VisualDVM.Passes.Server.ComponentsRepositoryPass;
+import org.apache.commons.io.FileUtils;
+
+import java.io.File;
+import java.util.List;
+import java.util.Vector;
+public class ShowComponentChangesLog extends ComponentsRepositoryPass<Component> {
+    @Override
+    public String getIconPath() {
+        return "/icons/Log.png";
+    }
+    @Override
+    public String getButtonText() {
+        return "";
+    }
+    File res;
+    @Override
+    protected boolean canStart(Object... args) throws Exception {
+        if (Global.mainModule.Check(Log, Current.Component)) {
+            target = Global.mainModule.getComponent();
+            return true;
+        }
+        return false;
+    }
+    @Override
+    protected void performPreparation() throws Exception {
+        res = Utils.getTempFileName("component_changes");
+    }
+    @Override
+    protected void ServerAction() throws Exception {
+        Command(new ServerExchangeUnit_2021(ServerCode.GetComponentChangesLog, target.getComponentType().toString()));
+        Utils_.bytesToFile((byte[]) response.object, res);
+    }
+    @Override
+    protected boolean validate() {
+        return res.exists();
+    }
+    @Override
+    protected void showDone() throws Exception {
+        ReadOnlyMultilineTextForm ff = new ReadOnlyMultilineTextForm();
+        List<String> lines = FileUtils.readLines(res);
+        Vector<String> res = new Vector<>();
+        for (int i = lines.size() - 1; i >= 0; i--)
+            res.add(lines.get(i));
+        ff.ShowDialog("Журнал изменений компонента " +
+                        Utils_.Brackets(target.getComponentType().getDescription()),
+                String.join("\n", res)
+        );
+    }
+}