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IDEA-80310

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This commit is contained in:
Alexey Kudravtsev
2012-01-30 10:21:15 +04:00
parent 8dca1f9845
commit 9742be4568
1 changed files with 26 additions and 24 deletions
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plugins/properties/src/com/intellij/lang/properties/psi/impl/PropertiesFileImpl.java
+26 -24
View File
@@ -41,9 +41,10 @@ import org.jetbrains.annotations.Nullable;
import java.util.*;
public class PropertiesFileImpl extends PsiFileBase implements PropertiesFile {
private static final TokenSet outPropertiesListSet = TokenSet.create(PropertiesElementTypes.PROPERTIES_LIST);
private MultiMap<String,IProperty> myPropertiesMap;
private List<IProperty> myProperties;
private static final TokenSet PROPERTIES_LIST_SET = TokenSet.create(PropertiesElementTypes.PROPERTIES_LIST);
private volatile MultiMap<String,IProperty> myPropertiesMap; //guarded by lock
private volatile List<IProperty> myProperties; //guarded by lock
private final Object lock = new Object();
public PropertiesFileImpl(FileViewProvider viewProvider) {
super(viewProvider, PropertiesLanguage.INSTANCE);
@@ -61,34 +62,36 @@ public class PropertiesFileImpl extends PsiFileBase implements PropertiesFile {
@NotNull
public List<IProperty> getProperties() {
synchronized (PsiLock.LOCK) {
ensurePropertiesLoaded();
return myProperties;
}
}
private ASTNode getPropertiesList() {
return ArrayUtil.getFirstElement(getNode().getChildren(outPropertiesListSet));
return ArrayUtil.getFirstElement(getNode().getChildren(PROPERTIES_LIST_SET));
}
private void ensurePropertiesLoaded() {
if (myPropertiesMap != null) {
return;
}
if (myPropertiesMap != null) return;
final ASTNode[] props = getPropertiesList().getChildren(PropertiesElementTypes.PROPERTIES);
myPropertiesMap = new MultiMap<String, IProperty>();
myProperties = new ArrayList<IProperty>(props.length);
MultiMap<String, IProperty> propertiesMap = new MultiMap<String, IProperty>();
List<IProperty> properties = new ArrayList<IProperty>(props.length);
for (final ASTNode prop : props) {
final Property property = (Property)prop.getPsi();
String key = property.getUnescapedKey();
myPropertiesMap.putValue(key, property);
myProperties.add(property);
propertiesMap.putValue(key, property);
properties.add(property);
}
synchronized (lock) {
if (myPropertiesMap != null) return;
myProperties = properties;
myPropertiesMap = propertiesMap;
}
}
public IProperty findPropertyByKey(@NotNull String key) {
synchronized (PsiLock.LOCK) {
ensurePropertiesLoaded();
ensurePropertiesLoaded();
synchronized (lock) {
Collection<IProperty> list = myPropertiesMap.get(key);
return list.isEmpty() ? null : list.iterator().next();
}
@@ -96,10 +99,9 @@ public class PropertiesFileImpl extends PsiFileBase implements PropertiesFile {
@NotNull
public List<IProperty> findPropertiesByKey(@NotNull String key) {
synchronized (PsiLock.LOCK) {
ensurePropertiesLoaded();
List<IProperty> list = (List<IProperty>)myPropertiesMap.get(key);
return list == null ? Collections.<IProperty>emptyList() : list;
ensurePropertiesLoaded();
synchronized (lock) {
return (List<IProperty>)myPropertiesMap.get(key);
}
}
@@ -123,7 +125,7 @@ public class PropertiesFileImpl extends PsiFileBase implements PropertiesFile {
@NotNull
public PsiElement addProperty(@NotNull IProperty property) throws IncorrectOperationException {
if (haveToAddNewLine()) {
insertLinebreakBefore(null);
insertLineBreakBefore(null);
}
final TreeElement copy = ChangeUtil.copyToElement(property.getPsiElement());
getPropertiesList().addChild(copy);
@@ -142,11 +144,11 @@ public class PropertiesFileImpl extends PsiFileBase implements PropertiesFile {
}
}
if (anchorBefore == null && haveToAddNewLine()) {
insertLinebreakBefore(null);
insertLineBreakBefore(null);
}
getPropertiesList().addChild(copy, anchorBefore);
if (anchorBefore != null) {
insertLinebreakBefore(anchorBefore);
insertLineBreakBefore(anchorBefore);
}
return copy.getPsi();
}
@@ -156,7 +158,7 @@ public class PropertiesFileImpl extends PsiFileBase implements PropertiesFile {
return (IProperty)addProperty(PropertiesElementFactory.createProperty(getProject(), key, value));
}
private void insertLinebreakBefore(final ASTNode anchorBefore) {
private void insertLineBreakBefore(final ASTNode anchorBefore) {
getPropertiesList().addChild(ASTFactory.whitespace("\n"), anchorBefore);
}
@@ -178,7 +180,7 @@ public class PropertiesFileImpl extends PsiFileBase implements PropertiesFile {
public void clearCaches() {
super.clearCaches();
synchronized (PsiLock.LOCK) {
synchronized (lock) {
myPropertiesMap = null;
myProperties = null;
}