content: /**
   *  Copyright (c) 2013-2016 Angelo ZERR.
   *  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:
   *  Angelo Zerr <angelo.zerr@gmail.com> - initial API and implementation
   */
  package tern.server;
  
  import tern.TernException;
  
  public class DefaultResponseHandler implements IResponseHandler {
  
  	private String error;
  	private Object data;
  	private boolean dataAsJsonString;
  	private Throwable t;
  	private String json;
  
  	public DefaultResponseHandler(boolean dataAsJsonString) {
  		this.error = null;
  		this.dataAsJsonString = dataAsJsonString;
  	}
  
  	@Override
  	public void onError(String error, Throwable t) {
  		this.error = error;
  		this.t = t;
  		if (t == null) {
  			if (this.error != null) {
  				this.t = TernExceptionFactory.create(error);
  			}
  		} else {
  			if (this.error == null) {
  				this.error = t.getMessage();
  			}
  		}
  	}
  
  	@Override
  	public void onSuccess(Object data, String json) {
  		this.data = data;
  		this.json = json;
  	}
  
  	public Object getData() throws TernException {
  		if (error != null || t != null) {
  			if (t instanceof TernException) {
  				throw (TernException) t;
  			}
  			throw new TernException(error, t);
  		}
  		return data;
  	}
  
  	public String getJsonString() throws TernException {
  		if (error != null || t != null) {
  			throw new TernException(error, t);
  		}
  		return json;
  	}
  
  	@Override
  	public boolean isDataAsJsonString() {
  		return dataAsJsonString;
  	}
  }
  