/*
* Copyright 2003-2017 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 jetbrains.mps.workbench.languagesFs;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.openapi.vfs.VirtualFileSystem;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.mps.openapi.module.SModuleReference;
import org.jetbrains.mps.openapi.persistence.PersistenceFacade;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
public class MPSLanguageVirtualFile extends VirtualFile {
private final SModuleReference myLanguage;
public MPSLanguageVirtualFile(@NotNull SModuleReference language) {
myLanguage = language;
}
@Override
public String getPath() {
return PersistenceFacade.getInstance().asString(myLanguage);
}
@Override
@NotNull
public VirtualFileSystem getFileSystem() {
return MPSLanguagesVirtualFileSystem.getInstance();
}
@Override
@NotNull
@NonNls
public String getName() {
// language name could end with .java, .xml etc. which might confuse IDEA file system
// see also MPS-11156
return myLanguage.getModuleName() + " (language) ";
}
@Override
public boolean isDirectory() {
return false;
}
@Override
public long getLength() {
return 0;
}
@Override
public InputStream getInputStream() throws IOException {
throw new UnsupportedOperationException();
}
@Override
public OutputStream getOutputStream(Object requestor, long newModificationStamp, long newTimeStamp) throws IOException {
throw new UnsupportedOperationException();
}
@Override
public byte[] contentsToByteArray() throws IOException {
throw new UnsupportedOperationException();
}
@Override
@Nullable
public VirtualFile getParent() {
return null;
}
@Override
public VirtualFile[] getChildren() {
return null;
}
@Override
public void refresh(boolean asynchronous, boolean recursive, Runnable postRunnable) {
if (postRunnable != null) {
postRunnable.run();
}
}
@Override
public boolean isWritable() {
return true;
}
@Override
public boolean isValid() {
return true;
}
@Override
public long getTimeStamp() {
return System.currentTimeMillis();
}
@Override
public long getModificationStamp() {
return getTimeStamp();
}
public SModuleReference getLanguage() {
return myLanguage;
}
}