/**
* 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.mock;
import com.jcabi.aspects.Immutable;
import com.jcabi.aspects.Loggable;
import com.jcabi.github.PublicKey;
import com.jcabi.github.PublicKeys;
import com.jcabi.github.User;
import com.jcabi.xml.XML;
import java.io.IOException;
import javax.validation.constraints.NotNull;
import lombok.EqualsAndHashCode;
import lombok.ToString;
import org.xembly.Directives;
/**
* Mock github public keys.
*
* @author Carlos Miranda (miranda.cma@gmail.com)
* @version $Id$
* @checkstyle MultipleStringLiteralsCheck (200 lines)
*/
@Immutable
@Loggable(Loggable.DEBUG)
@ToString
@EqualsAndHashCode(of = { "storage", "self" })
final class MkPublicKeys implements PublicKeys {
/**
* Storage.
*/
private final transient MkStorage storage;
/**
* Login of the user logged in.
*/
private final transient String self;
/**
* Public ctor.
* @param stg Storage
* @param login User to login
* @throws IOException If there is any I/O problem
*/
public MkPublicKeys(
@NotNull(message = "stg can't be NULL") final MkStorage stg,
@NotNull(message = "login can't be NULL") final String login
) throws IOException {
this.storage = stg;
this.self = login;
this.storage.apply(
new Directives().xpath(this.userXpath()).addIf("keys")
);
}
@Override
@NotNull(message = "User is never NULL")
public User user() {
try {
return new MkUser(this.storage, this.self);
} catch (final IOException ex) {
throw new IllegalStateException(ex);
}
}
@Override
@NotNull(message = "Iterable of keys is never NULL")
public Iterable<PublicKey> iterate() {
return new MkIterable<PublicKey>(
this.storage,
String.format("%s/key", this.xpath()),
new MkIterable.Mapping<PublicKey>() {
@Override
public PublicKey map(final XML xml) {
return MkPublicKeys.this.get(
Integer.parseInt(xml.xpath("id/text()").get(0))
);
}
}
);
}
@Override
@NotNull(message = "key is never NULL")
public PublicKey get(final int number) {
return new MkPublicKey(this.storage, this.self, number);
}
@Override
@NotNull(message = "created public key is never NULL")
public PublicKey create(
@NotNull(message = "title cannot be NULL") final String title,
@NotNull(message = "key cannot be NULL") final String key
) throws IOException {
this.storage.lock();
final int number;
try {
number = 1 + this.storage.xml().xpath(
String.format("%s/key/id/text()", this.xpath())
).size();
this.storage.apply(
new Directives().xpath(this.xpath())
.add("key")
.add("id").set(String.valueOf(number)).up()
.add("title").set(title).up()
.add("key").set(key)
);
} finally {
this.storage.unlock();
}
return this.get(number);
}
@Override
public void remove(final int number) throws IOException {
this.storage.apply(
new Directives().xpath(
String.format("%s/key[id='%d']", this.xpath(), number)
).remove()
);
}
/**
* XPath of user element in XML tree.
* @return XPath
*/
@NotNull(message = "Xpath of the user is never NULL")
private String userXpath() {
return String.format("/github/users/user[login='%s']", this.self);
}
/**
* XPath of user element in XML tree.
* @return XPath
*/
@NotNull(message = "Xpath is never NULL")
private String xpath() {
return String.format("%s/keys", this.userXpath());
}
}