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Module providing several utilities to service implementations. Though this module is not required to implement services, it contains several shortcuts that can help implementing services.

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.rogiel.httpchannel.http;

import java.io.IOException;
import java.util.concurrent.Callable;
import java.util.concurrent.Future;

import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;

import com.rogiel.httpchannel.util.HttpClientUtils;
import com.rogiel.httpchannel.util.htmlparser.HTMLPage;

public abstract class Request {
	protected final HttpContext ctx;
	protected final String uri;

	public Request(HttpContext ctx, String uri) {
		this.ctx = ctx;
		this.uri = uri;
	}

	public abstract HttpResponse request() throws IOException;

	public Future requestAsync() throws IOException {
		return ctx.threadPool.submit(new Callable() {
			@Override
			public HttpResponse call() throws Exception {
				return request();
			}
		});
	}

	public String asString() throws ClientProtocolException, IOException {
		return HttpClientUtils.toString(request());
	}

	public Future asStringAsync() throws IOException {
		return ctx.threadPool.submit(new Callable() {
			@Override
			public String call() throws Exception {
				return asString();
			}
		});
	}

	public HTMLPage asPage() throws ClientProtocolException, IOException {
		return HTMLPage.parse(asString());
	}

	public Future asPageAsync() throws IOException {
		return ctx.threadPool.submit(new Callable() {
			@Override
			public HTMLPage call() throws Exception {
				return asPage();
			}
		});
	}

	public String getURI() {
		return uri;
	}
}