/*
* Copyright 2014 Skynav, Inc. 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.
*
* THIS SOFTWARE IS PROVIDED BY SKYNAV, INC. AND ITS 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 SKYNAV, INC. OR ITS 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.skynav.ttv.util;
import java.util.Set;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.xml.namespace.QName;
public class ComparableQName extends QName implements Comparable<ComparableQName> {
private static final long serialVersionUID = 6595331889303441857L;
public ComparableQName(QName name) {
this(name.getNamespaceURI(), name.getLocalPart());
}
public ComparableQName(String nsUri, String localPart) {
super(nsUri, localPart);
}
public int compareTo(ComparableQName other) {
String ns1 = getNamespaceURI();
String ns2 = other.getNamespaceURI();
if ((ns1 == null) && (ns2 != null))
return -1;
else if ((ns1 != null) && (ns2 == null))
return 1;
else if ((ns1 != null) && (ns2 != null)) {
int d = ns1.compareTo(ns2);
if (d != 0)
return d;
}
String n1 = getLocalPart();
String n2 = other.getLocalPart();
return n1.compareTo(n2);
}
private static final Pattern qnamePattern = Pattern.compile("\\{([^\\}]*)\\}(\\p{Alpha}+)");
public static final Set<ComparableQName> parseNames(String value) {
Set<ComparableQName> names = new java.util.TreeSet<ComparableQName>();
if ((value != null) && (value.length() > 0)) {
for (String n : value.split("[ \t]+")) {
Matcher m = qnamePattern.matcher(n);
if (m.matches()) {
assert m.groupCount() == 2;
String ns = m.group(1);
String ln = m.group(2);
names.add(new ComparableQName(ns, ln));
}
}
}
return names;
}
public static final String toString(Set<ComparableQName> names) {
StringBuffer sb = new StringBuffer();
for (ComparableQName qn : names) {
if (sb.length() > 0)
sb.append(' ');
sb.append(qn.toString());
}
return sb.toString();
}
}