[vcs-log] write validators for collectors

FUS-397, FUS-411

GitOrigin-RevId: 31ae95f19491c1a8c2a501c0d45542d30188c292

platform/vcs-log/impl/src/META-INF/vcs-log.xml

@@ -30,6 +30,11 @@
     <statistics.applicationUsagesCollector implementation="com.intellij.vcs.log.statistics.VcsLogIndexApplicationStatisticsCollector"/>
 
     <statistics.counterUsagesCollector groupId="vcs.log.trigger" version="1"/>
+    <statistics.validation.customWhiteListRule implementation="com.intellij.vcs.log.statistics.VcsLogTriggerEventIdValidator"/>
+    <statistics.validation.customWhiteListRule implementation="com.intellij.vcs.log.statistics.VcsLogFilterNameValidator"/>
+    <statistics.validation.customWhiteListRule implementation="com.intellij.vcs.log.statistics.VcsLogHighlighterIdValidator"/>
+    <statistics.validation.customWhiteListRule implementation="com.intellij.vcs.log.statistics.VcsLogColumnNameValidator"/>
+    <statistics.validation.customWhiteListRule implementation="com.intellij.vcs.log.statistics.VcsLogSortKindValidator"/>
 
     <logHighlighterFactory implementation="com.intellij.vcs.log.ui.highlighters.MyCommitsHighlighter$Factory"/>
     <logHighlighterFactory implementation="com.intellij.vcs.log.ui.highlighters.MergeCommitsHighlighter$Factory"/>

platform/vcs-log/impl/src/com/intellij/vcs/log/statistics/VcsLogValidators.kt

@@ -0,0 +1,41 @@
+// Copyright 2000-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+package com.intellij.vcs.log.statistics
+
+import com.intellij.internal.statistic.eventLog.validator.ValidationResultType
+import com.intellij.internal.statistic.eventLog.validator.rules.EventContext
+import com.intellij.internal.statistic.eventLog.validator.rules.impl.CustomWhiteListRule
+import com.intellij.internal.statistic.eventLog.validator.rules.impl.LocalEnumCustomWhitelistRule
+import com.intellij.openapi.util.text.StringUtil
+import com.intellij.vcs.log.VcsLogFilterCollection
+import com.intellij.vcs.log.graph.PermanentGraph
+import com.intellij.vcs.log.ui.highlighters.CurrentBranchHighlighter
+import com.intellij.vcs.log.ui.highlighters.MergeCommitsHighlighter
+import com.intellij.vcs.log.ui.highlighters.MyCommitsHighlighter
+import com.intellij.vcs.log.ui.table.GraphTableModel
+
+open class CustomStringsWhiteListRule(private val id: String, private val values: Collection<String>) : CustomWhiteListRule() {
+  final override fun acceptRuleId(ruleId: String?): Boolean = id == ruleId
+
+  final override fun doValidate(data: String, context: EventContext): ValidationResultType {
+    if (values.contains(data)) return ValidationResultType.ACCEPTED
+    return ValidationResultType.REJECTED
+  }
+}
+
+class VcsLogTriggerEventIdValidator :
+  CustomStringsWhiteListRule("vcs_log_trigger_event_id", VcsLogUsageTriggerCollector.VcsLogEvent.values().map { it.id }.toSet())
+
+class VcsLogFilterNameValidator :
+  CustomStringsWhiteListRule("vcs_log_filter_name", VcsLogFilterCollection.STANDARD_KEYS.map { it.name }.toSet())
+
+class VcsLogSortKindValidator :
+  LocalEnumCustomWhitelistRule("vcs_log_sort_kind", PermanentGraph.SortType::class.java)
+
+class VcsLogHighlighterIdValidator :
+  CustomStringsWhiteListRule("vcs_log_highlighter_id", setOf(MyCommitsHighlighter.Factory.ID, MergeCommitsHighlighter.Factory.ID,
+                                                             CurrentBranchHighlighter.Factory.ID))
+
+class VcsLogColumnNameValidator :
+  CustomStringsWhiteListRule("vcs_log_column_name", GraphTableModel.DYNAMIC_COLUMNS.map {
+    StringUtil.toLowerCase(GraphTableModel.COLUMN_NAMES[it])
+  }.toSet())

platform/vcs-log/impl/src/com/intellij/vcs/log/ui/highlighters/MergeCommitsHighlighter.java

@@ -45,7 +45,7 @@ public class MergeCommitsHighlighter implements VcsLogHighlighter {
   }
 
   public static class Factory implements VcsLogHighlighterFactory {
-    @NotNull private static final String ID = "MERGE_COMMITS";
+    @NotNull public static final String ID = "MERGE_COMMITS";
 
     @NotNull
     @Override