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package com.intellij.openapi.components.impl.stores;
import com.intellij.openapi.components.RoamingType;
import com.intellij.openapi.options.CurrentUserHolder;
import com.intellij.openapi.util.io.BufferExposingByteArrayInputStream;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.io.IOException;
import java.io.InputStream;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
final class OldStreamProviderAdapter extends StreamProvider implements CurrentUserHolder {
final com.intellij.openapi.options.StreamProvider myProvider;
private final RoamingType myRoamingType;
public OldStreamProviderAdapter(com.intellij.openapi.options.StreamProvider provider, @NotNull RoamingType roamingType) {
myProvider = provider;
myRoamingType = roamingType;
}
@Override
public boolean isEnabled() {
return myProvider.isEnabled();
}
@Override
public boolean isApplicable(@NotNull String fileSpec, @NotNull RoamingType roamingType) {
return myRoamingType == roamingType && !(roamingType == RoamingType.PER_USER && StorageUtil.isProjectOrModuleFile(fileSpec));
}
@Override
public boolean saveContent(@NotNull String fileSpec, @NotNull byte[] content, int size, @NotNull RoamingType roamingType, boolean async) throws IOException {
myProvider.saveContent(fileSpec, new BufferExposingByteArrayInputStream(content, size), size, roamingType, async);
return false;
}
@Nullable
@Override
public InputStream loadContent(@NotNull String fileSpec, @NotNull RoamingType roamingType) throws IOException {
return myRoamingType == roamingType ? myProvider.loadContent(fileSpec, roamingType) : null;
}
@NotNull
@Override
public List<String> listSubFiles(@NotNull String fileSpec, @NotNull RoamingType roamingType) {
if (myRoamingType == roamingType) {
return Arrays.asList(myProvider.listSubFiles(fileSpec, roamingType));
}
else {
return Collections.emptyList();
}
}
@Override
public void deleteFile(@NotNull String fileSpec, @NotNull RoamingType roamingType) {
if (myRoamingType == roamingType) {
myProvider.deleteFile(fileSpec, roamingType);
}
}
@Override
public String getCurrentUserName() {
return myProvider instanceof CurrentUserHolder ? ((CurrentUserHolder)myProvider).getCurrentUserName() : null;
}
}
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