64 lines
2.0 KiB
Java
64 lines
2.0 KiB
Java
// Copyright (C) 2012 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.rpc;
|
|
|
|
import com.google.gwt.core.client.JavaScriptObject;
|
|
import com.google.gwt.user.client.rpc.AsyncCallback;
|
|
|
|
/** Wraps a String that was returned from a JSON API. */
|
|
public final class NativeString extends JavaScriptObject {
|
|
public static final JavaScriptObject TYPE = init();
|
|
|
|
// Used from core and plugins
|
|
private static native JavaScriptObject init() /*-{
|
|
if ($wnd.Gerrit === undefined || $wnd.Gerrit.JsonString === undefined) {
|
|
return function(s){this.s=s};
|
|
} else {
|
|
return $wnd.Gerrit.JsonString;
|
|
}
|
|
}-*/;
|
|
|
|
static NativeString wrap(String s) {
|
|
return wrap0(TYPE, s);
|
|
}
|
|
|
|
private static native NativeString wrap0(JavaScriptObject T, String s) /*-{ return new T(s) }-*/;
|
|
|
|
public native String asString() /*-{ return this.s; }-*/;
|
|
|
|
public static AsyncCallback<NativeString> unwrap(AsyncCallback<String> cb) {
|
|
return new AsyncCallback<NativeString>() {
|
|
@Override
|
|
public void onSuccess(NativeString result) {
|
|
cb.onSuccess(result != null ? result.asString() : null);
|
|
}
|
|
|
|
@Override
|
|
public void onFailure(Throwable caught) {
|
|
cb.onFailure(caught);
|
|
}
|
|
};
|
|
}
|
|
|
|
public static boolean is(JavaScriptObject o) {
|
|
return is(TYPE, o);
|
|
}
|
|
|
|
private static native boolean is(JavaScriptObject T, JavaScriptObject o)
|
|
/*-{ return o instanceof T }-*/ ;
|
|
|
|
protected NativeString() {}
|
|
}
|