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/*
* 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.
* 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.openapi.components.impl.stores;
import com.intellij.openapi.components.*;
import com.intellij.openapi.options.StreamProvider;
import com.intellij.openapi.project.impl.ProjectImpl;
import com.intellij.openapi.project.impl.ProjectManagerImpl;
import com.intellij.openapi.util.Pair;
import com.intellij.openapi.vfs.VirtualFile;
import org.jdom.Element;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.io.File;
import java.io.IOException;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Set;
//todo: extends from base store class
public class DefaultProjectStoreImpl extends ProjectStoreImpl {
@Nullable private final Element myElement;
private final ProjectManagerImpl myProjectManager;
@NonNls private static final String ROOT_TAG_NAME = "defaultProject";
public DefaultProjectStoreImpl(@NotNull ProjectImpl project, final ProjectManagerImpl projectManager) {
super(project);
myProjectManager = projectManager;
myElement = projectManager.getDefaultProjectRootElement();
}
@Nullable
Element getStateCopy() {
final Element element = myProjectManager.getDefaultProjectRootElement();
return element != null ? element.clone() : null;
}
@NotNull
@Override
protected StateStorageManager createStateStorageManager() {
Element _d = null;
if (myElement != null) {
myElement.detach();
_d = myElement;
}
final ComponentManager componentManager = getComponentManager();
final PathMacroManager pathMacroManager = PathMacroManager.getInstance(componentManager);
final Element element = _d;
final XmlElementStorage storage = new XmlElementStorage("", RoamingType.DISABLED, pathMacroManager.createTrackingSubstitutor(), componentManager,
ROOT_TAG_NAME, null,
ComponentVersionProvider.EMPTY) {
@Override
@Nullable
protected Element loadLocalData() {
return element;
}
@Override
protected MySaveSession createSaveSession(final MyExternalizationSession externalizationSession) {
return new DefaultSaveSession(externalizationSession);
}
@Override
@NotNull
protected StorageData createStorageData() {
return new BaseStorageData(ROOT_TAG_NAME);
}
class DefaultSaveSession extends MySaveSession {
public DefaultSaveSession(MyExternalizationSession externalizationSession) {
super(externalizationSession);
}
@Override
protected void doSave() throws StateStorageException {
Element element = getElementToSave();
myProjectManager.setDefaultProjectRootElement(element == null ? null : element);
}
@NotNull
@Override
public Collection<File> getStorageFilesToSave() throws StateStorageException {
return Collections.emptyList();
}
@NotNull
@Override
public List<File> getAllStorageFiles() {
return Collections.emptyList();
}
}
};
//noinspection deprecation
return new StateStorageManager() {
@Override
public void addMacro(@NotNull String macro, @NotNull String expansion) {
throw new UnsupportedOperationException("Method addMacro not implemented in " + getClass());
}
@Override
@Nullable
public TrackingPathMacroSubstitutor getMacroSubstitutor() {
return null;
}
@Override
@Nullable
public StateStorage getStateStorage(@NotNull Storage storageSpec) throws StateStorageException {
return storage;
}
@Nullable
@Override
public StateStorage getStateStorage(@NotNull String fileSpec, @NotNull RoamingType roamingType) {
return storage;
}
@Override
@Nullable
public StateStorage getFileStateStorage(@NotNull String fileSpec) {
return storage;
}
@Override
public void clearStateStorage(@NotNull String file) {
}
@NotNull
@Override
public ExternalizationSession startExternalization() {
return new MyExternalizationSession(storage);
}
@NotNull
@Override
public SaveSession startSave(@NotNull final ExternalizationSession externalizationSession) {
return new MySaveSession(storage, externalizationSession);
}
@Override
public void finishSave(@NotNull SaveSession saveSession) {
storage.finishSave(((MySaveSession)saveSession).saveSession);
}
@NotNull
@Override
public String expandMacros(@NotNull String file) {
throw new UnsupportedOperationException("Method expandMacros not implemented in " + getClass());
}
@Override
@Nullable
public StateStorage getOldStorage(Object component, final String componentName, final StateStorageOperation operation)
throws StateStorageException {
return storage;
}
@Override
public void registerStreamProvider(final StreamProvider streamProvider, final RoamingType type) {
throw new UnsupportedOperationException("Method registerStreamProvider not implemented in " + getClass());
}
@Override
public void setStreamProvider(@Nullable com.intellij.openapi.components.impl.stores.StreamProvider streamProvider) {
throw new UnsupportedOperationException("Method setStreamProvider not implemented in " + getClass());
}
@Nullable
@Override
public com.intellij.openapi.components.impl.stores.StreamProvider getStreamProvider() {
throw new UnsupportedOperationException("Method getStreamProviders not implemented in " + getClass());
}
@NotNull
@Override
public Collection<String> getStorageFileNames() {
throw new UnsupportedOperationException("Method getStorageFileNames not implemented in " + getClass());
}
@Override
public void reset() {
}
};
}
@Override
public void load() throws IOException, StateStorageException {
if (myElement == null) return;
super.load();
}
private static class MyExternalizationSession implements StateStorageManager.ExternalizationSession {
@NotNull final StateStorage.ExternalizationSession externalizationSession;
public MyExternalizationSession(@NotNull XmlElementStorage storage) {
externalizationSession = storage.startExternalization();
}
@Override
public void setState(@NotNull final Storage[] storageSpecs, @NotNull final Object component, final String componentName, @NotNull final Object state)
throws StateStorageException {
externalizationSession.setState(component, componentName, state, null);
}
@Override
public void setStateInOldStorage(@NotNull final Object component, @NotNull final String componentName, @NotNull final Object state) throws StateStorageException {
externalizationSession.setState(component, componentName, state, null);
}
}
private static class MySaveSession implements StateStorageManager.SaveSession {
@NotNull private final StateStorage.SaveSession saveSession;
public MySaveSession(@NotNull XmlElementStorage storage, @NotNull StateStorageManager.ExternalizationSession externalizationSession) {
saveSession = storage.startSave(((MyExternalizationSession)externalizationSession).externalizationSession);
}
//returns set of component which were changed, null if changes are much more than just component state.
@Override
@Nullable
public Set<String> analyzeExternalChanges(@NotNull Set<Pair<VirtualFile, StateStorage>> files) {
throw new UnsupportedOperationException("Method analyzeExternalChanges not implemented in " + getClass());
}
@NotNull
@Override
public List<File> getAllStorageFilesToSave() throws StateStorageException {
return Collections.emptyList();
}
@NotNull
@Override
public List<File> getAllStorageFiles() {
return Collections.emptyList();
}
@Override
public void save() throws StateStorageException {
saveSession.save();
}
}
}
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