com.netbout.spi.Profile Maven / Gradle / Ivy
/**
* Copyright (c) 2009-2012, Netbout.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 NetBout.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.netbout.spi;
import java.net.URL;
import java.util.HashSet;
import java.util.Locale;
import java.util.Set;
/**
* Profile of identity.
*
* Instances of this interface are thread-safe.
*
* @author Yegor Bugayenko ([email protected])
* @version $Id$
*/
public interface Profile {
/**
* Language.
* @return The language we speak with this identity
*/
Locale locale();
/**
* Get a photo of this identity.
* @return The URL of the photo
*/
URL photo();
/**
* Get all aliases.
* @return List of all aliases
*/
Set aliases();
/**
* Profile with implemented conventions.
*
* To avoid runtime exceptions and unexpected situations you're
* encouraged to use this class every time you're accessing a profile
* of an identity.
*/
class Conventional implements Profile {
/**
* Original identity.
*/
private final transient Friend origin;
/**
* Public ctor.
* @param friend Original identity
*/
public Conventional(final Friend friend) {
if (friend.profile() == null) {
throw new IllegalStateException(
String.format(
"Profile is NULL in '%s' (%s)",
friend,
friend.name()
)
);
}
this.origin = friend;
}
/**
* {@inheritDoc}
*/
@Override
public Locale locale() {
Locale locale = this.origin.profile().locale();
if (locale == null) {
locale = Locale.ENGLISH;
}
return locale;
}
/**
* {@inheritDoc}
*/
@Override
public URL photo() {
URL photo = this.origin.profile().photo();
if (photo == null) {
try {
photo = new URL("http://cdn.netbout.com/unknown.png");
} catch (java.net.MalformedURLException ex) {
throw new IllegalStateException(ex);
}
}
return photo;
}
/**
* {@inheritDoc}
*/
@Override
public Set aliases() {
final Set aliases = new HashSet(
this.origin.profile().aliases()
);
if (aliases == null) {
throw new IllegalStateException(
String.format(
"Set of aliases in the profile is NULL for '%s' (%s)",
this.origin,
this.origin.name()
)
);
}
if (aliases.isEmpty()) {
aliases.add(this.origin.name().toString());
}
return aliases;
}
}
}