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/*******************************************************************************
 * Copyright (c) 2014, Institute for Pervasive Computing, ETH Zurich.
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the Institute nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * 
 * This file is part of the Californium (Cf) CoAP framework.
 ******************************************************************************/
package ch.ethz.inf.vs.californium.examples.resources;

import ch.ethz.inf.vs.californium.server.resources.CoapExchange;
import ch.ethz.inf.vs.californium.server.resources.ResourceBase;

/**
 * This class implements a resource that returns a larger amount of
 * data on GET requests in order to test blockwise transfers.
 */
public class LargeResource extends ResourceBase {

	private String payload = getPayload();
	
	public LargeResource() {
		this("large");
	}
	
	public LargeResource(String name) {
		super(name);
		getAttributes().setTitle("This is a large resource for testing block-wise transfer");
		getAttributes().addResourceType("BlockWiseTransferTester");
	}

	@Override
	public void handleGET(CoapExchange exchange) {
		exchange.respond(payload);
	}
	
	@Override
	public void handlePOST(CoapExchange exchange) {
		exchange.respond(payload);
	}
	
	@Override
	public void handlePUT(CoapExchange exchange) {
		exchange.respond(payload);
	}
	
	private String getPayload() {
		StringBuilder builder = new StringBuilder();
		builder.append("/-------------------------------------------------------------\\\n");
		builder.append("|                 RESOURCE BLOCK NO. 1 OF 8                   |\n");
		builder.append("|               [each line contains 64 bytes]                 |\n");
		builder.append("\\-------------------------------------------------------------/\n");
		builder.append("/-------------------------------------------------------------\\\n");
		builder.append("|                 RESOURCE BLOCK NO. 2 OF 8                   |\n");
		builder.append("|               [each line contains 64 bytes]                 |\n");
		builder.append("\\-------------------------------------------------------------/\n");
		builder.append("/-------------------------------------------------------------\\\n");
		builder.append("|                 RESOURCE BLOCK NO. 3 OF 8                   |\n");
		builder.append("|               [each line contains 64 bytes]                 |\n");
		builder.append("\\-------------------------------------------------------------/\n");
		builder.append("/-------------------------------------------------------------\\\n");
		builder.append("|                 RESOURCE BLOCK NO. 4 OF 8                   |\n");
		builder.append("|               [each line contains 64 bytes]                 |\n");
		builder.append("\\-------------------------------------------------------------/\n");
		builder.append("/-------------------------------------------------------------\\\n");
		builder.append("|                 RESOURCE BLOCK NO. 5 OF 8                   |\n");
		builder.append("|               [each line contains 64 bytes]                 |\n");
		builder.append("\\-------------------------------------------------------------/\n");
		builder.append("/-------------------------------------------------------------\\\n");
		builder.append("|                 RESOURCE BLOCK NO. 6 OF 8                   |\n");
		builder.append("|               [each line contains 64 bytes]                 |\n");
		builder.append("\\-------------------------------------------------------------/\n");
		builder.append("/-------------------------------------------------------------\\\n");
		builder.append("|                 RESOURCE BLOCK NO. 7 OF 8                   |\n");
		builder.append("|               [each line contains 64 bytes]                 |\n");
		builder.append("\\-------------------------------------------------------------/\n");
		builder.append("/-------------------------------------------------------------\\\n");
		builder.append("|                 RESOURCE BLOCK NO. 8 OF 8                   |\n");
		builder.append("|               [each line contains 64 bytes]                 |\n");
		builder.append("\\-------------------------------------------------------------/\n");
		return builder.toString();
	}
}