Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance. Project price only 1 $
You can buy this project and download/modify it how often you want.
/**
* Copyright (c) 2014, stateful.co
* 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 stateful.co 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 COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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.
*/
package co.stateful;
import com.jcabi.aspects.Immutable;
import com.jcabi.aspects.Loggable;
import com.jcabi.http.Request;
import com.jcabi.http.response.RestResponse;
import com.jcabi.http.response.XmlResponse;
import com.jcabi.log.Logger;
import java.io.IOException;
import java.net.HttpURLConnection;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.MediaType;
import lombok.EqualsAndHashCode;
import lombok.ToString;
/**
* Counter.
*
* @author Yegor Bugayenko ([email protected])
* @version $Id$
* @since 0.1
* @checkstyle MultipleStringLiteralsCheck (500 lines)
*/
@Immutable
@Loggable(Loggable.DEBUG)
@ToString(of = "label", includeFieldNames = false)
@EqualsAndHashCode(of = { "label", "request" })
final class RtCounter implements Counter {
/**
* Its name.
*/
private final transient String label;
/**
* Home request.
*/
private final transient Request request;
/**
* Ctor.
* @param name Name of it
* @param req Home page request
*/
RtCounter(final String name, final Request req) {
this.label = name;
this.request = req;
}
@Override
public String name() {
return this.label;
}
@Override
public void set(final long value) throws IOException {
final long start = System.currentTimeMillis();
this.front("set").method(Request.PUT)
.uri().queryParam("value", value).back()
.fetch()
.as(RestResponse.class)
.assertStatus(HttpURLConnection.HTTP_OK);
Logger.info(
this, "counter \"%s\" set to %d in %[ms]s",
this.label, value,
System.currentTimeMillis() - start
);
}
@Override
public long incrementAndGet(final long delta) throws IOException {
final long start = System.currentTimeMillis();
final long value = Long.parseLong(
this.front("increment").method(Request.GET)
.uri().queryParam("value", delta).back()
.header(HttpHeaders.ACCEPT, MediaType.TEXT_PLAIN)
.fetch()
.as(RestResponse.class)
.assertStatus(HttpURLConnection.HTTP_OK)
.body()
);
Logger.info(
this, "counter \"%s\" incremented by %d to %d in %[ms]s",
this.label, delta, value,
System.currentTimeMillis() - start
);
return value;
}
/**
* Get front request.
* @param ops Operation
* @return Request
* @throws IOException If fails
*/
private Request front(final String ops) throws IOException {
return this.request.fetch()
.as(RestResponse.class)
.assertStatus(HttpURLConnection.HTTP_OK)
.as(XmlResponse.class)
.rel(
String.format(
// @checkstyle LineLength (1 line)
"/page/counters/counter[name='%s']/links/link[@rel='%s']/@href",
this.label, ops
)
);
}
}
