/*
* Copyright 2016 Red Hat, Inc. and/or its affiliates
* and other contributors as indicated by the @author tags.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.keycloak.subsystem.saml.as7.xml;
import java.util.Iterator;
import java.util.NoSuchElementException;
/**
* @author <a href="mailto:david.lloyd@redhat.com">David M. Lloyd</a>
*/
final class Spliterator implements Iterator<String> {
private final String subject;
private final char delimiter;
private int i;
Spliterator(final String subject, final char delimiter) {
this.subject = subject;
this.delimiter = delimiter;
i = 0;
}
static Spliterator over(String subject, char delimiter) {
return new Spliterator(subject, delimiter);
}
public boolean hasNext() {
return i != -1;
}
public String next() {
final int i = this.i;
if (i == -1) {
throw new NoSuchElementException();
}
int n = subject.indexOf(delimiter, i);
try {
return n == -1 ? subject.substring(i) : subject.substring(i, n);
} finally {
this.i = n == -1 ? -1 : n + 1;
}
}
public void remove() {
throw new UnsupportedOperationException();
}
}