src/main/java/com/navercorp/openwhisk/intellij/explorer/editor/ActivationViewVirtualFileSystem.java

/**
 * Copyright 2020-present NAVER Corp.
 *
 * 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.navercorp.openwhisk.intellij.explorer.editor;

import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.openapi.vfs.VirtualFileListener;
import com.intellij.openapi.vfs.VirtualFileManager;
import com.intellij.openapi.vfs.VirtualFileSystem;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

import java.io.IOException;

public class ActivationViewVirtualFileSystem extends VirtualFileSystem {

    private static final String PROTOCOL = "activation-view";

    private static final IOException READONLY_FILE_SYSTEM = new IOException("Operation not support");

    public ActivationViewVirtualFileSystem() {
    }

    public static ActivationViewVirtualFileSystem getInstance() {
        return (ActivationViewVirtualFileSystem) VirtualFileManager.getInstance().getFileSystem(PROTOCOL);
    }

    @NotNull
    @Override
    public String getProtocol() {
        return PROTOCOL;
    }

    @Nullable
    @Override
    public VirtualFile findFileByPath(@NotNull String path) {
        return null;
    }

    @Override
    public void refresh(boolean asynchronous) {

    }

    @Nullable
    @Override
    public VirtualFile refreshAndFindFileByPath(@NotNull String path) {
        return null;
    }

    @Override
    public void addVirtualFileListener(@NotNull VirtualFileListener listener) {

    }

    @Override
    public void removeVirtualFileListener(@NotNull VirtualFileListener listener) {

    }

    @Override
    protected void deleteFile(Object requestor, @NotNull VirtualFile vFile) throws IOException {

    }

    @Override
    protected void moveFile(Object requestor, @NotNull VirtualFile vFile, @NotNull VirtualFile newParent) throws IOException {

    }

    @Override
    protected void renameFile(Object requestor, @NotNull VirtualFile vFile, @NotNull String newName) throws IOException {

    }

    @NotNull
    @Override
    protected VirtualFile createChildFile(Object requestor, @NotNull VirtualFile vDir, @NotNull String fileName) throws IOException {
        throw READONLY_FILE_SYSTEM;
    }

    @NotNull
    @Override
    protected VirtualFile createChildDirectory(Object requestor, @NotNull VirtualFile vDir, @NotNull String dirName) throws IOException {
        throw READONLY_FILE_SYSTEM;
    }

    @NotNull
    @Override
    protected VirtualFile copyFile(Object requestor,
                                   @NotNull VirtualFile virtualFile,
                                   @NotNull VirtualFile newParent,
                                   @NotNull String copyName) throws IOException {
        throw READONLY_FILE_SYSTEM;
    }

    @Override
    public boolean isReadOnly() {
        return false;
    }
}