com.google.gerrit.plugin.client.rpc.RestApi.java Source code

Introduction

Here is the source code for com.google.gerrit.plugin.client.rpc.RestApi.java

Source

// Copyright (C) 2013 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.plugin.client.rpc;

import com.google.gerrit.client.rpc.NativeString;
import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.http.client.URL;
import com.google.gwt.user.client.rpc.AsyncCallback;

public class RestApi {
    private final StringBuilder path;
    private boolean hasQueryParams;

    public RestApi(String name) {
        path = new StringBuilder();
        path.append(name);
    }

    public RestApi view(String name) {
        return idRaw(name);
    }

    public RestApi view(String pluginName, String name) {
        return idRaw(pluginName + "~" + name);
    }

    public RestApi id(String id) {
        return idRaw(URL.encodePathSegment(id));
    }

    public RestApi id(int id) {
        return idRaw(Integer.toString(id));
    }

    public RestApi idRaw(String name) {
        if (hasQueryParams) {
            throw new IllegalStateException();
        }
        if (path.charAt(path.length() - 1) != '/') {
            path.append('/');
        }
        path.append(name);
        return this;
    }

    public RestApi addParameter(String name, String value) {
        return addParameterRaw(name, URL.encodeQueryString(value));
    }

    public RestApi addParameter(String name, String... value) {
        for (String val : value) {
            addParameter(name, val);
        }
        return this;
    }

    public RestApi addParameterTrue(String name) {
        return addParameterRaw(name, null);
    }

    public RestApi addParameter(String name, boolean value) {
        return addParameterRaw(name, value ? "t" : "f");
    }

    public RestApi addParameter(String name, int value) {
        return addParameterRaw(name, String.valueOf(value));
    }

    public RestApi addParameter(String name, Enum<?> value) {
        return addParameterRaw(name, value.name());
    }

    public RestApi addParameterRaw(String name, String value) {
        if (hasQueryParams) {
            path.append("&");
        } else {
            path.append("?");
            hasQueryParams = true;
        }
        path.append(name);
        if (value != null) {
            path.append("=").append(value);
        }
        return this;
    }

    public String path() {
        return path.toString();
    }

    public <T extends JavaScriptObject> void get(AsyncCallback<T> cb) {
        get(path(), wrap(cb));
    }

    public void getString(AsyncCallback<String> cb) {
        get(NativeString.unwrap(cb));
    }

    private static native void get(String p, JavaScriptObject r) /*-{ $wnd.Gerrit.get_raw(p, r) }-*/;

    public <T extends JavaScriptObject> void put(AsyncCallback<T> cb) {
        put(path(), wrap(cb));
    }

    private static native void put(String p, JavaScriptObject r) /*-{ $wnd.Gerrit.put_raw(p, r) }-*/;

    public <T extends JavaScriptObject> void put(String content, AsyncCallback<T> cb) {
        put(path(), content, wrap(cb));
    }

    private static native void put(String p, String c, JavaScriptObject r)
    /*-{ $wnd.Gerrit.put_raw(p, c, r) }-*/ ;

    public <T extends JavaScriptObject> void put(JavaScriptObject content, AsyncCallback<T> cb) {
        put(path(), content, wrap(cb));
    }

    private static native void put(String p, JavaScriptObject c, JavaScriptObject r)
    /*-{ $wnd.Gerrit.put_raw(p, c, r) }-*/ ;

    public <T extends JavaScriptObject> void post(String content, AsyncCallback<T> cb) {
        post(path(), content, wrap(cb));
    }

    private static native void post(String p, String c, JavaScriptObject r)
    /*-{ $wnd.Gerrit.post_raw(p, c, r) }-*/ ;

    public <T extends JavaScriptObject> void post(JavaScriptObject content, AsyncCallback<T> cb) {
        post(path(), content, wrap(cb));
    }

    private static native void post(String p, JavaScriptObject c, JavaScriptObject r)
    /*-{ $wnd.Gerrit.post_raw(p, c, r) }-*/ ;

    public void delete(AsyncCallback<NoContent> cb) {
        delete(path(), wrap(cb));
    }

    private static native void delete(String p, JavaScriptObject r)
    /*-{ $wnd.Gerrit.del_raw(p, r) }-*/ ;

    private static native <T extends JavaScriptObject> JavaScriptObject wrap(AsyncCallback<T> b) /*-{
                                                                                                 return function(r) {
                                                                                                 b.@com.google.gwt.user.client.rpc.AsyncCallback::onSuccess(Ljava/lang/Object;)(r)
                                                                                                 }
                                                                                                 }-*/;
}