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// 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(final 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() {}
}
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