/*
* Copyright 2010 NCHOVY
*
* 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.krakenapps.sqlparser.impl;
import java.util.Iterator;
public class TokenStream implements Iterable<String> {
private String sql;
public TokenStream(String sql) {
this.sql = sql;
}
public TokenIterator iterator() {
return new TokenIterator(sql);
}
private static class TokenIterator implements Iterator<String> {
private String[] tokens;
private int pos = 0;
public TokenIterator(String sql) {
tokens = sql.split(" ");
}
@Override
public boolean hasNext() {
return pos < tokens.length - 1;
}
@Override
public String next() {
return tokens[pos++];
}
@Override
public void remove() {
throw new UnsupportedOperationException();
}
}
}