nl.coinsweb.sdk.Namespace Maven / Gradle / Ivy
/**
* MIT License
*
* Copyright (c) 2016 Bouw Informatie Raad
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
**/
package nl.coinsweb.sdk;
import nl.coinsweb.sdk.exceptions.InvalidNamespaceException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
/**
* @author Bastiaan Bijl, Sysunite 2016
*/
public class Namespace {
protected static final Logger log = LoggerFactory.getLogger(Namespace.class);
private enum Type {
HASH, SLASH, SLASHHASH
}
private Type type = Type.HASH;
private String url;
public Namespace(String input) {
if(input == null || input.isEmpty()) {
throw new InvalidNamespaceException("Tried to create namespace form empty string.");
}
try {
URL interpretedUrl = new URL(input);
if(interpretedUrl.getHost().isEmpty()) {
throw new InvalidNamespaceException("Essential host part of uri is missing.");
}
input = interpretedUrl.getProtocol() + "://" + interpretedUrl.getHost() + interpretedUrl.getPath();
} catch (MalformedURLException e) {
throw new InvalidNamespaceException("MalformedURLException while parsing uri: "+input+".");
}
if(input.endsWith("/#")) {
type = Type.SLASHHASH;
url = input.substring(0, input.length() - 2);
} else if(input.endsWith("#")) {
type = Type.HASH;
url = input.substring(0, input.length()-1);
} else if(input.endsWith("/")) {
type = Type.SLASH;
url = input.substring(0, input.length()-1);
} else {
url = input;
}
}
@Override
public String toString() {
if(type == Type.SLASHHASH) {
return url + "/#";
} else if(type == Type.SLASH) {
return url + "/";
} else {
return url + "#";
}
}
public String withoutHash() {
if(type == Type.SLASH || type == Type.SLASHHASH) {
return url + "/";
} else {
return url;
}
}
public String getBase() {
return url;
}
public URI toURI() {
try {
return new URI(toString());
} catch (URISyntaxException e) {
log.error(e.getMessage(), e);
}
return null;
}
@Override
public int hashCode() {
return toString().hashCode();
}
@Override
public boolean equals(Object object) {
Namespace normalizedInput = null;
if(object instanceof Namespace) {
normalizedInput = (Namespace)object;
}
if(object instanceof String) {
try {
normalizedInput = new Namespace((String) object);
} catch(InvalidNamespaceException e) {
return false;
}
}
if(normalizedInput == null) {
return false;
}
return normalizedInput.withoutHash().equals(withoutHash());
}
}