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/**
* CreativeCommons
* Copyright 2011 by Michael Peter Christen, mc@yacy.net, Frankfurt am Main, Germany
* First released 17.12.2011 at http://yacy.net
*
* $LastChangedDate: 2011-04-14 00:04:23 +0200 (Do, 14 Apr 2011) $
* $LastChangedRevision: 7653 $
* $LastChangedBy: orbiter $
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program in the file lgpl21.txt
* If not, see <http://www.gnu.org/licenses/>.
*/
package net.yacy.cora.lod.vocabulary;
import java.net.MalformedURLException;
import java.util.HashSet;
import java.util.Set;
import java.util.regex.Pattern;
import net.yacy.cora.document.id.MultiProtocolURL;
import net.yacy.cora.lod.Literal;
import net.yacy.cora.lod.Vocabulary;
/**
* a vocabulary for creative commons license declarations. see:
* http://creativecommons.org/ns#
*/
public enum CreativeCommons implements Vocabulary {
// License Properties
permits(new Literal[]{
PermitLiteral.Reproduction,
PermitLiteral.Distribution,
PermitLiteral.DerivativeWorks,
PermitLiteral.Sharing}),
requires(new Literal[]{
RequirementLiteral.Notice,
RequirementLiteral.Attribution,
RequirementLiteral.ShareAlike,
RequirementLiteral.SourceCode,
RequirementLiteral.Copyleft,
RequirementLiteral.LesserCopyleft}),
prohibits(new Literal[]{
ProhibitionLiteral.CommercialUse,
ProhibitionLiteral.HighIncomeNationUse}),
jurisdiction,
legalcode,
deprecatedOn,
// Work Properties
license,
morePermissions,
attributionName,
attributionURL,
useGuidelines;
enum PermitLiteral implements Literal {
Reproduction("Reproduction", "http://creativecommons.org/ns#Permission", ".*"),
Distribution("Distribution", "http://creativecommons.org/ns#Permission", ".*"),
DerivativeWorks("Derivative Works", "http://creativecommons.org/ns#Permission", ".*"),
Sharing("Sharing", "http://creativecommons.org/ns#Permission", ".*");
String terminal;
MultiProtocolURL subject;
Pattern discoveryPattern;
private PermitLiteral(
String terminal,
String subject,
String discoveryPattern) {
this.terminal = terminal;
try {
this.subject = subject == null ? null : new MultiProtocolURL(subject);
} catch (final MalformedURLException e) {
this.subject = null;
}
this.discoveryPattern = Pattern.compile(discoveryPattern == null ? ".*" : discoveryPattern);
}
@Override
public String getTerminal() { return this.terminal; }
@Override
public MultiProtocolURL getSubject() { return this.subject; }
@Override
public Pattern getDiscoveryPattern() { return this.discoveryPattern; }
}
enum RequirementLiteral implements Literal {
Notice("Notice", "http://creativecommons.org/ns#Requirement", ".*"),
Attribution("Attribution", "http://creativecommons.org/ns#Requirement", ".*"),
ShareAlike("Share Alike", "http://creativecommons.org/ns#Requirement", ".*"),
SourceCode("Source Code", "http://creativecommons.org/ns#Requirement", ".*"),
Copyleft("Copyleft", "http://creativecommons.org/ns#Requirement", ".*"),
LesserCopyleft("Lesser Copyleft", "http://creativecommons.org/ns#Requirement", ".*");
String terminal;
MultiProtocolURL subject;
Pattern discoveryPattern;
private RequirementLiteral(
String terminal,
String subject,
String discoveryPattern) {
this.terminal = terminal;
try {
this.subject = subject == null ? null : new MultiProtocolURL(subject);
} catch (final MalformedURLException e) {
this.subject = null;
}
this.discoveryPattern = Pattern.compile(discoveryPattern == null ? ".*" : discoveryPattern);
}
@Override
public String getTerminal() { return this.terminal; }
@Override
public MultiProtocolURL getSubject() { return this.subject; }
@Override
public Pattern getDiscoveryPattern() { return this.discoveryPattern; }
}
enum ProhibitionLiteral implements Literal {
CommercialUse("Commercial Use", "http://creativecommons.org/ns#Prohibition", ".*"),
HighIncomeNationUse("High Income Nation Use", "http://creativecommons.org/ns#Prohibition", ".*");
String terminal;
MultiProtocolURL subject;
Pattern discoveryPattern;
private ProhibitionLiteral(
String terminal,
String subject,
String discoveryPattern) {
this.terminal = terminal;
try {
this.subject = subject == null ? null : new MultiProtocolURL(subject);
} catch (final MalformedURLException e) {
this.subject = null;
}
this.discoveryPattern = Pattern.compile(discoveryPattern == null ? ".*" : discoveryPattern);
}
@Override
public String getTerminal() { return this.terminal; }
@Override
public MultiProtocolURL getSubject() { return this.subject; }
@Override
public Pattern getDiscoveryPattern() { return this.discoveryPattern; }
}
public final static String IDENTIFIER = "http://creativecommons.org/ns#";
public final static String PREFIX = "cc";
private final String predicate;
private final Set<Literal> literals;
private CreativeCommons() {
this.predicate = IDENTIFIER + this.name();
this.literals = null;
}
private CreativeCommons(Literal[] literals) {
this.predicate = IDENTIFIER + this.name();
this.literals = new HashSet<Literal>();
for (Literal l: literals) this.literals.add(l);
}
@Override
public String getNamespace() {
return IDENTIFIER;
}
@Override
public String getNamespacePrefix() {
return PREFIX;
}
@Override
public Set<Literal> getLiterals() {
return null;
}
@Override
public String getPredicate() {
return this.predicate;
}
@Override
public String getURIref() {
return PREFIX + ':' + this.name();
}
}
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