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vfs: null-tolerant property change event (OC-7947)

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This commit is contained in:
Roman Shevchenko
2013-08-30 17:45:32 +04:00
parent ffe6785649
commit 67d92f532f
1 changed files with 23 additions and 21 deletions
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platform/core-api/src/com/intellij/openapi/vfs/newvfs/events/VFilePropertyChangeEvent.java
+23 -21
View File
@@ -1,5 +1,5 @@
/*
* Copyright 2000-2012 JetBrains s.r.o.
* Copyright 2000-2013 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -31,12 +31,12 @@ public class VFilePropertyChangeEvent extends VFileEvent {
private final Object myOldValue;
private final Object myNewValue;
public VFilePropertyChangeEvent(final Object requestor,
@NotNull final VirtualFile file,
@NotNull final String propertyName,
final Object oldValue,
final Object newValue,
final boolean isFromRefresh) {
public VFilePropertyChangeEvent(Object requestor,
@NotNull VirtualFile file,
@NotNull String propertyName,
@Nullable Object oldValue,
@Nullable Object newValue,
boolean isFromRefresh) {
super(requestor, isFromRefresh);
myFile = file;
myPropertyName = propertyName;
@@ -63,12 +63,6 @@ public class VFilePropertyChangeEvent extends VFileEvent {
return myPropertyName;
}
@NotNull
@NonNls
public String toString() {
return "VfsEvent[property( " + myPropertyName + ") changed for '" + myFile + "': oldValue = " + myOldValue + ", newValue = " + myNewValue + "]";
}
@Override
public String getPath() {
return myFile.getPath();
@@ -85,26 +79,34 @@ public class VFilePropertyChangeEvent extends VFileEvent {
return myFile.isValid();
}
public boolean equals(@Nullable final Object o) {
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
final VFilePropertyChangeEvent event = (VFilePropertyChangeEvent)o;
VFilePropertyChangeEvent event = (VFilePropertyChangeEvent)o;
if (!myFile.equals(event.myFile)) return false;
if (!myNewValue.equals(event.myNewValue)) return false;
if (!myOldValue.equals(event.myOldValue)) return false;
if (myNewValue != null ? !myNewValue.equals(event.myNewValue) : event.myNewValue != null) return false;
if (myOldValue != null ? !myOldValue.equals(event.myOldValue) : event.myOldValue != null) return false;
if (!myPropertyName.equals(event.myPropertyName)) return false;
return true;
}
@Override
public int hashCode() {
int result;
result = myFile.hashCode();
int result = myFile.hashCode();
result = 31 * result + myPropertyName.hashCode();
result = 31 * result + myOldValue.hashCode();
result = 31 * result + myNewValue.hashCode();
result = 31 * result + (myOldValue != null ? myOldValue.hashCode() : 0);
result = 31 * result + (myNewValue != null ? myNewValue.hashCode() : 0);
return result;
}
@NotNull
@NonNls
public String toString() {
return "VfsEvent[property(" + myPropertyName + ") changed for '" + myFile + "':" +
" oldValue = " + myOldValue + ", newValue = " + myNewValue + "]";
}
}