com.jcabi.http.wire.VerboseWire Maven / Gradle / Ivy
/**
* Copyright (c) 2011-2014, jcabi.com
* 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 jcabi.com 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 com.jcabi.http.wire;
import com.jcabi.aspects.Immutable;
import com.jcabi.http.Request;
import com.jcabi.http.RequestBody;
import com.jcabi.http.Response;
import com.jcabi.http.Wire;
import com.jcabi.log.Logger;
import java.io.IOException;
import java.util.Collection;
import java.util.Map;
import javax.validation.constraints.NotNull;
import lombok.EqualsAndHashCode;
import lombok.ToString;
/**
* Verbose wire.
*
* This wire makes HTTP request and response details visible in
* log (we're using SLF4J logging facility), for example:
*
*
String html = new JdkRequest("http://goggle.com")
* .through(VerboseWire.class)
* .header(HttpHeaders.ACCEPT, MediaType.TEXT_PLAIN)
* .fetch()
* .body();
*
* The class is immutable and thread-safe.
*
* @author Yegor Bugayenko ([email protected])
* @version $Id$
* @since 0.10
*/
@Immutable
@ToString
@EqualsAndHashCode(of = "origin")
public final class VerboseWire implements Wire {
/**
* Original wire.
*/
private final transient Wire origin;
/**
* Public ctor.
* @param wire Original wire
*/
public VerboseWire(@NotNull(message = "wire can't be NULL")
final Wire wire) {
this.origin = wire;
}
/**
* {@inheritDoc}
* @checkstyle ParameterNumber (7 lines)
*/
@Override
public Response send(final Request req, final String home,
final String method,
final Collection> headers,
final byte[] content) throws IOException {
final Response response = this.origin.send(
req, home, method, headers, content
);
final StringBuilder text = new StringBuilder(0);
for (final Map.Entry header : headers) {
text.append(header.getKey())
.append(": ")
.append(header.getValue())
.append('\n');
}
text.append('\n').append(RequestBody.Printable.toString(content));
Logger.info(
this,
"#send(%s %s):\nHTTP Request (%s):\n%s\nHTTP Response (%s):\n%s",
method, home,
req.getClass().getName(),
VerboseWire.indent(text.toString()),
response.getClass().getName(),
VerboseWire.indent(response.toString())
);
return response;
}
/**
* Indent provided text.
* @param text Text to indent
* @return Indented text
*/
private static String indent(final String text) {
return new StringBuilder(" ")
.append(text.replaceAll("(\n|\n\r)", "$1 "))
.toString();
}
}