/*******************************************************************************
* Copyright (c) 2012-2017 Codenvy, S.A.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Codenvy, S.A. - initial API and implementation
*******************************************************************************/
package org.eclipse.che.ide.api.editor.document;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.inject.Inject;
import com.google.web.bindery.event.shared.EventBus;
import org.eclipse.che.api.promises.client.Operation;
import org.eclipse.che.api.promises.client.OperationException;
import org.eclipse.che.api.promises.client.Promise;
import org.eclipse.che.api.promises.client.PromiseError;
import org.eclipse.che.ide.api.editor.EditorInput;
import org.eclipse.che.ide.api.event.FileEvent;
import org.eclipse.che.ide.api.resources.VirtualFile;
import org.eclipse.che.ide.util.loging.Log;
import javax.validation.constraints.NotNull;
/**
* Implementation of {@link DocumentStorage}.
*/
public class DocumentStorageImpl implements DocumentStorage {
private final EventBus eventBus;
@Inject
public DocumentStorageImpl(final EventBus eventBus) {
this.eventBus = eventBus;
}
@Override
public void getDocument(@NotNull final VirtualFile file, @NotNull final DocumentCallback callback) {
file.getContent().then(new Operation<String>() {
@Override
public void apply(String result) throws OperationException {
Log.debug(DocumentStorageImpl.class, "Document retrieved (" + file.getLocation() + ").");
try {
callback.onDocumentReceived(result);
} catch (final Exception e) {
Log.warn(DocumentStorageImpl.class, "Exception during doc retrieve success callback: ", e);
}
}
}).catchError(new Operation<PromiseError>() {
@Override
public void apply(PromiseError arg) throws OperationException {
try {
callback.onDocumentLoadFailure(arg.getCause());
} catch (final Exception e) {
Log.warn(DocumentStorageImpl.class, "Exception during doc retrieve failure callback: ", e);
}
Log.error(DocumentStorageImpl.class, "Could not retrieve document (" + file.getLocation() + ").", arg.getCause());
}
});
}
@Override
public Promise<String> getDocument(@NotNull VirtualFile file) {
return file.getContent();
}
@Override
public void saveDocument(final EditorInput editorInput, @NotNull final Document document,
final boolean overwrite, @NotNull final AsyncCallback<EditorInput> callback) {
final VirtualFile file = editorInput.getFile();
file.updateContent(document.getContents()).then(new Operation<Void>() {
@Override
public void apply(Void arg) throws OperationException {
Log.debug(DocumentStorageImpl.class, "Document saved (" + file.getLocation() + ").");
DocumentStorageImpl.this.eventBus.fireEvent(FileEvent.createFileSavedEvent(file));
try {
callback.onSuccess(editorInput);
} catch (final Exception e) {
Log.warn(DocumentStorageImpl.class, "Exception during save success callback: ", e);
}
}
}).catchError(new Operation<PromiseError>() {
@Override
public void apply(PromiseError arg) throws OperationException {
Log.error(DocumentStorageImpl.class, "Document save failed (" + file.getLocation() + ").", arg.getCause());
try {
callback.onFailure(arg.getCause());
} catch (final Exception e) {
Log.warn(DocumentStorageImpl.class, "Exception during save failure callback: ", e);
}
}
});
}
@Override
public void documentClosed(final Document document) {
}
}