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// 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.client.changes;
import com.google.gerrit.client.VoidResult;
import com.google.gerrit.client.editor.EditFileInfo;
import com.google.gerrit.client.rpc.GerritCallback;
import com.google.gerrit.client.rpc.HttpCallback;
import com.google.gerrit.client.rpc.NativeString;
import com.google.gerrit.client.rpc.RestApi;
import com.google.gerrit.reviewdb.client.Patch;
import com.google.gerrit.reviewdb.client.PatchSet;
import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.user.client.rpc.AsyncCallback;
/** REST API helpers to remotely edit a change. */
public class ChangeEditApi {
/** Get file (or commit message) contents. */
public static void get(PatchSet.Id id, String path, boolean base, HttpCallback<NativeString> cb) {
RestApi api;
if (id.get() != 0) {
// Read from a published revision, when change edit doesn't
// exist for the caller, or is not currently active.
api = ChangeApi.revision(id).view("files").id(path).view("content");
} else if (Patch.COMMIT_MSG.equals(path)) {
api = editMessage(id.getParentKey().get()).addParameter("base", base);
} else {
api = editFile(id.getParentKey().get(), path).addParameter("base", base);
}
api.get(cb);
}
/** Get file (or commit message) contents of the edit. */
public static void get(PatchSet.Id id, String path, HttpCallback<NativeString> cb) {
get(id, path, false, cb);
}
/** Get meta info for change edit. */
public static void getMeta(PatchSet.Id id, String path, AsyncCallback<EditFileInfo> cb) {
if (id.get() != 0) {
throw new IllegalStateException("only supported for edits");
}
editFile(id.getParentKey().get(), path).view("meta").get(cb);
}
/** Put message into a change edit. */
public static void putMessage(int id, String m, GerritCallback<VoidResult> cb) {
editMessage(id).put(m, cb);
}
/** Put contents into a file or commit message in a change edit. */
public static void put(int id, String path, String content, GerritCallback<VoidResult> cb) {
if (Patch.COMMIT_MSG.equals(path)) {
putMessage(id, content, cb);
} else {
editFile(id, path).put(content, cb);
}
}
/** Delete a file in the pending edit. */
public static void delete(int id, String path, AsyncCallback<VoidResult> cb) {
editFile(id, path).delete(cb);
}
/** Rename a file in the pending edit. */
public static void rename(int id, String path, String newPath, AsyncCallback<VoidResult> cb) {
Input in = Input.create();
in.oldPath(path);
in.newPath(newPath);
ChangeApi.edit(id).post(in, cb);
}
/** Restore (undo delete/modify) a file in the pending edit. */
public static void restore(int id, String path, AsyncCallback<VoidResult> cb) {
Input in = Input.create();
in.restorePath(path);
ChangeApi.edit(id).post(in, cb);
}
private static RestApi editMessage(int id) {
return ChangeApi.change(id).view("edit:message");
}
private static RestApi editFile(int id, String path) {
return ChangeApi.edit(id).id(path);
}
private static class Input extends JavaScriptObject {
static Input create() {
return createObject().cast();
}
final native void restorePath(String p) /*-{ this.restore_path=p }-*/;
final native void oldPath(String p) /*-{ this.old_path=p }-*/;
final native void newPath(String p) /*-{ this.new_path=p }-*/;
protected Input() {}
}
}
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