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/*
* Copyright 2000-2012 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.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.intellij.lang.properties.xml;
import com.intellij.lang.properties.IProperty;
import com.intellij.lang.properties.PropertiesImplUtil;
import com.intellij.lang.properties.PropertiesUtil;
import com.intellij.lang.properties.ResourceBundle;
import com.intellij.lang.properties.psi.PropertiesFile;
import com.intellij.lang.properties.psi.Property;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.Key;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.psi.PsiDirectory;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiFile;
import com.intellij.psi.util.CachedValue;
import com.intellij.psi.util.CachedValueProvider;
import com.intellij.psi.util.CachedValuesManager;
import com.intellij.psi.xml.XmlFile;
import com.intellij.psi.xml.XmlTag;
import com.intellij.reference.SoftLazyValue;
import com.intellij.util.IncorrectOperationException;
import com.intellij.util.containers.MultiMap;
import gnu.trove.THashMap;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.*;
/**
* @author Dmitry Avdeev
* Date: 7/26/11
*/
public class XmlPropertiesFileImpl extends XmlPropertiesFile {
private static final Key<CachedValue<PropertiesFile>> KEY = Key.create("xml properties file");
private final XmlFile myFile;
private final SoftLazyValue<MultiMap<String, IProperty>> myPropertiesMap = new SoftLazyValue<MultiMap<String, IProperty>>() {
@NotNull
@Override
protected MultiMap<String, IProperty> compute() {
XmlTag rootTag = myFile.getRootTag();
if (rootTag == null) {
return MultiMap.emptyInstance();
}
XmlTag[] entries = rootTag.findSubTags("entry");
MultiMap<String, IProperty> map = new MultiMap<String, IProperty>();
for (XmlTag entry : entries) {
XmlProperty property = new XmlProperty(entry, XmlPropertiesFileImpl.this);
map.putValue(property.getKey(), property);
}
return map;
}
};
private XmlPropertiesFileImpl(XmlFile file) {
myFile = file;
}
@NotNull
@Override
public PsiFile getContainingFile() {
return myFile;
}
@NotNull
@Override
public List<IProperty> getProperties() {
return new ArrayList<IProperty>(myPropertiesMap.getValue().values());
}
@Override
public IProperty findPropertyByKey(@NotNull @NonNls String key) {
Collection<IProperty> properties = myPropertiesMap.getValue().get(key);
return properties.isEmpty() ? null : properties.iterator().next();
}
@NotNull
@Override
public List<IProperty> findPropertiesByKey(@NotNull @NonNls String key) {
return new ArrayList<IProperty>(myPropertiesMap.getValue().get(key));
}
@NotNull
@Override
public ResourceBundle getResourceBundle() {
return PropertiesImplUtil.getResourceBundle(this);
}
@NotNull
@Override
public Locale getLocale() {
return PropertiesUtil.getLocale(getVirtualFile());
}
@NotNull
@Override
public PsiElement addProperty(@NotNull IProperty property) throws IncorrectOperationException {
return null;
}
@NotNull
@Override
public PsiElement addPropertyAfter(@NotNull Property property, @Nullable Property anchor) throws IncorrectOperationException {
return null;
}
@Override
public IProperty addProperty(String key, String value) {
XmlTag rootTag = myFile.getRootTag();
XmlTag entry = rootTag.createChildTag("entry", "", value, false);
entry.setAttribute("key", key);
rootTag.addSubTag(entry, false);
return new XmlProperty(entry, this);
}
public static PropertiesFile getPropertiesFile(final PsiFile file) {
CachedValuesManager manager = CachedValuesManager.getManager(file.getProject());
if (file instanceof XmlFile) {
return manager.getCachedValue(file, KEY,
new CachedValueProvider<PropertiesFile>() {
@Override
public Result<PropertiesFile> compute() {
PropertiesFile value =
XmlPropertiesIndex.isPropertiesFile((XmlFile)file)
? new XmlPropertiesFileImpl((XmlFile)file)
: null;
return Result.create(value, file);
}
}, false
);
}
return null;
}
@NotNull
@Override
public Map<String, String> getNamesMap() {
Map<String, String> result = new THashMap<String, String>();
for (IProperty property : getProperties()) {
result.put(property.getUnescapedKey(), property.getValue());
}
return result;
}
@Override
public String getName() {
return getContainingFile().getName();
}
@Override
public VirtualFile getVirtualFile() {
return getContainingFile().getVirtualFile();
}
@Override
public PsiDirectory getParent() {
return getContainingFile().getParent();
}
@Override
public Project getProject() {
return getContainingFile().getProject();
}
@Override
public String getText() {
return getContainingFile().getText();
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
XmlPropertiesFileImpl that = (XmlPropertiesFileImpl)o;
if (!myFile.equals(that.myFile)) return false;
return true;
}
@Override
public int hashCode() {
return myFile.hashCode();
}
}
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