| // Copyright (C) 2014 The Android Open Source Project |
| // |
| // 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.google.gerrit.server.api.changes; |
| |
| import com.google.gerrit.extensions.api.changes.FileApi; |
| import com.google.gerrit.extensions.common.DiffInfo; |
| import com.google.gerrit.extensions.restapi.BinaryResult; |
| import com.google.gerrit.extensions.restapi.RestApiException; |
| import com.google.gerrit.server.change.FileResource; |
| import com.google.gerrit.server.change.GetContent; |
| import com.google.gerrit.server.change.GetDiff; |
| import com.google.gerrit.server.project.InvalidChangeOperationException; |
| import com.google.gerrit.server.project.NoSuchChangeException; |
| import com.google.gwtorm.server.OrmException; |
| import com.google.inject.Inject; |
| import com.google.inject.Provider; |
| import com.google.inject.assistedinject.Assisted; |
| |
| import java.io.IOException; |
| |
| class FileApiImpl extends FileApi.NotImplemented implements FileApi { |
| interface Factory { |
| FileApiImpl create(FileResource r); |
| } |
| |
| private final GetContent getContent; |
| private final Provider<GetDiff> getDiff; |
| private final FileResource file; |
| |
| @Inject |
| FileApiImpl(GetContent getContent, |
| Provider<GetDiff> getDiff, |
| @Assisted FileResource file) { |
| this.getContent = getContent; |
| this.getDiff = getDiff; |
| this.file = file; |
| } |
| |
| @Override |
| public BinaryResult content() throws RestApiException { |
| try { |
| return getContent.apply(file); |
| } catch (NoSuchChangeException | IOException | OrmException e) { |
| throw new RestApiException("Cannot retrieve file content", e); |
| } |
| } |
| |
| @Override |
| public DiffInfo diff() throws RestApiException { |
| try { |
| return getDiff.get().apply(file).value(); |
| } catch (IOException | InvalidChangeOperationException | OrmException e) { |
| throw new RestApiException("Cannot retrieve diff", e); |
| } |
| } |
| |
| @Override |
| public DiffInfo diff(String base) throws RestApiException { |
| try { |
| return getDiff.get().setBase(base).apply(file).value(); |
| } catch (IOException | InvalidChangeOperationException | OrmException e) { |
| throw new RestApiException("Cannot retrieve diff", e); |
| } |
| } |
| } |