/**
* Copyright (c) 2013-2014, 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.github;
import com.jcabi.aspects.Immutable;
import com.jcabi.aspects.Loggable;
import com.jcabi.http.Request;
import com.jcabi.http.response.JsonResponse;
import com.jcabi.http.response.RestResponse;
import java.io.IOException;
import java.net.HttpURLConnection;
import javax.json.Json;
import javax.json.JsonObject;
import javax.validation.constraints.NotNull;
import lombok.EqualsAndHashCode;
/**
* Github references.
*
* @author Mihai Andronache (amihaiemil@gmail.com)
* @version $Id$
* @checkstyle MultipleStringLiterals (500 lines)
*/
@Immutable
@Loggable(Loggable.DEBUG)
@EqualsAndHashCode(of = {"entry", "request", "owner" })
final class RtReferences implements References {
/**
* Reference field name in JSON.
*/
private static final String REF = "ref";
/**
* RESTful API entry point.
*/
private final transient Request entry;
/**
* RESTful request for the commits.
*/
private final transient Request request;
/**
* Repository.
*/
private final transient Repo owner;
/**
* Public constructor.
* @param req RESTful request.
* @param repo The owner repo.
*/
RtReferences(final Request req, final Repo repo) {
this.entry = req;
this.owner = repo;
this.request = req.uri().path("/repos").path(repo.coordinates().user())
.path(repo.coordinates().repo()).path("/git").path("/refs").back();
}
@Override
@NotNull(message = "repository is never NULL")
public Repo repo() {
return this.owner;
}
@Override
@NotNull(message = "reference is never NULL")
public Reference create(
@NotNull(message = "ref can't be NULL") final String ref,
@NotNull(message = "sha can't be NULL") final String sha
) throws IOException {
final JsonObject json = Json.createObjectBuilder()
.add("sha", sha).add(RtReferences.REF, ref).build();
return this.get(
this.request.method(Request.POST)
.body().set(json).back()
.fetch().as(RestResponse.class)
.assertStatus(HttpURLConnection.HTTP_CREATED)
.as(JsonResponse.class)
.json().readObject().getString(RtReferences.REF)
);
}
@Override
@NotNull(message = "reference is never NULL")
public Reference get(
@NotNull(message = "identifier can't be NULL") final String identifier
) {
return new RtReference(this.entry, this.owner, identifier);
}
@Override
@NotNull(message = "Iterable of references is never NULL")
public Iterable<Reference> iterate() {
return new RtPagination<Reference>(
this.request,
new RtPagination.Mapping<Reference, JsonObject>() {
@Override
public Reference map(final JsonObject object) {
return RtReferences.this.get(
object.getString(RtReferences.REF)
);
}
}
);
}
@Override
@NotNull(message = "Iterable of references is never NULL")
public Iterable<Reference> iterate(
@NotNull(message = "subnamespace can't be NULL")
final String subnamespace
) {
return new RtPagination<Reference>(
this.request.uri().path(subnamespace).back(),
new RtPagination.Mapping<Reference, JsonObject>() {
@Override
public Reference map(final JsonObject object) {
return RtReferences.this.get(
object.getString(RtReferences.REF)
);
}
}
);
}
@Override
@NotNull(message = "Iterable of tag references is never NULL")
public Iterable<Reference> tags() {
return this.iterate("tags");
}
@Override
@NotNull(message = "Iterable of head references is never NULL")
public Iterable<Reference> heads() {
return this.iterate("heads");
}
@Override
public void remove(
@NotNull(message = "identifier can't be NULL") final String identifier
) throws IOException {
this.request.method(Request.DELETE)
.uri().path(identifier).back().fetch()
.as(RestResponse.class)
.assertStatus(HttpURLConnection.HTTP_NO_CONTENT);
}
}