Attachment 179546 Details for Bug 306245 – AbstractGerritService.java

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AbstractGerritService.java

AbstractGerritService.java (text/plain), 4.21 KB, created by Shawn Minto

on 2010-09-24 16:56:07 EDT

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Creator: Shawn Minto

Created: 2010-09-24 16:56:07 EDT

Size: 4.21 KB

patch

obsolete

>/*********************************************************************
> * Copyright (c) 2010 Sony Ericsson/ST E ricsson and others.
> * All rights reserved. This program and the accompanying materials
> * are made available under the terms of the Eclipse Public License v1.0
> * which accompanies this distribution, and is available at
> * http://www.eclipse.org/legal/epl-v10.html
> * 
> *  Contributors:
> *      Sony Ericsson/ST Ericsson - initial API and implementation
> *      Tasktop Technologies - improvements
> *      
> *********************************************************************/
>package org.eclipse.gerrit.service;
>
>import java.io.IOException;
>import java.lang.reflect.Type;
>import java.util.Collection;
>
>import org.eclipse.gerrit.GerritHTTPClientError;
>import org.eclipse.gerrit.proxy.AbstractGerritHttpClient;
>
>import com.google.gson.Gson;
>import com.google.gson.JsonArray;
>import com.google.gson.JsonElement;
>import com.google.gson.JsonObject;
>import com.google.gson.reflect.TypeToken;
>import com.google.gwtjsonrpc.server.JsonServlet;
>
>/**
> * @author Daniel Olsson, ST Ericsson
> * @author Tomas Westling, Sony Ericsson -
> *         thomas.westling@sonyericsson.com
> * @author Shawn Minto 
> */
>
>public abstract class AbstractGerritService {
>
>	public static class JsonResult<T> {
>
>		private T result;
>		
>		public T getResult() {
>			return result;
>		}
>
>	}
>	
>  protected AbstractGerritHttpClient client;
>
>  /**
>   * Constructor.
>   * 
>   * @param client
>   *          The AbstractGerritHttpClient for communicating with the
>   *          server.
>   */
>  public AbstractGerritService(AbstractGerritHttpClient client) {
>    this.client = client;
>  }
>
>  static protected class JsonParam extends JsonElement {
>
>    static Gson gson = JsonServlet.defaultGsonBuilder().create();
>
>    Object param;
>
>    /**
>     * Constructor.
>     * 
>     * @param o
>     */
>    public JsonParam(Object o) {
>      param = o;
>    }
>
>    @Override
>    protected void toString(Appendable sb) throws IOException {
>      sb.append(gson.toJson(param, param.getClass()));
>    }
>  }
>
>  public abstract String getServiceUri();
>
>  protected <E> JsonResult<E> invoke(Collection<JsonParam> args, Type returnType) {
>
>    JsonResult<E> result;
>    Type resultType = new TypeToken<JsonResult<E>>() {
>    }.getType();
>    try {
>      // TODO: Think another turn about this
>      String methodName = Thread.currentThread().getStackTrace()[2].getMethodName();
>      // result = invoke("forAccount", new Object[] { id }, typ);
>      // This creates a ugly dependency to GWT, but we don't want to
>      // duplicate
>      // that code...
>      String message = createJsonString(args, methodName);
>      String responseMessage = client.postJsonRequest(getServiceUri(), message.toString());
>      System.err.println("Received: " + responseMessage);
>
>      Gson gson = JsonServlet.defaultGsonBuilder().create();
>      result = gson.fromJson(responseMessage, resultType);
>      // result = gson.fromJson(responseMessage, resultType);
>      return result;
>      // callback.onSuccess(result.result);
>    } catch (GerritHTTPClientError exception) {
>      // callback.onFailure(exception);
>      return null;
>    }
>  }
>
>  protected String createJsonString(Collection<JsonParam> args, String methodName) throws GerritHTTPClientError {
>    // This creates a ugly dependency to GWT, but we don't want to
>    // duplicate
>    // that code...
>    JsonObject message = new JsonObject();
>    message.addProperty("jsonrpc", "2.0");
>    message.addProperty("method", methodName);
>    JsonArray array = new JsonArray();
>    if (args != null) {
>      for (JsonParam jp : args) {
>        array.add(jp);
>      }
>    }
>    message.add("params", array);
>    message.addProperty("id", client.getId());
>    //TODO Without the line below, method which require login to the Gerrit server cannot be run.
>    //Without it, the allOpenNext method can still be run.
>    //While implementing this, we worked towards an SonyEricsson internal Gerrit server where we are single signed on.
>    //Once logging on to the Gerrit server is taken care of, please use the below functionality to be able to
>    //use the forAccount method, which is used to get the user's reviews.
>    
>    message.addProperty("xsrfKey", client.getXsrfKey());
>    return message.toString();
>  }
>
>}

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Attachments on bug 306245: 178793 | 179546