001    /**
002     * Copyright (C) 2009-2011 the original author or authors.
003     * See the notice.md file distributed with this work for additional
004     * information regarding copyright ownership.
005     *
006     * Licensed under the Apache License, Version 2.0 (the "License");
007     * you may not use this file except in compliance with the License.
008     * You may obtain a copy of the License at
009     *
010     *     http://www.apache.org/licenses/LICENSE-2.0
011     *
012     * Unless required by applicable law or agreed to in writing, software
013     * distributed under the License is distributed on an "AS IS" BASIS,
014     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015     * See the License for the specific language governing permissions and
016     * limitations under the License.
017     */
018    
019    package org.fusesource.restygwt.client;
020    
021    import java.util.Iterator;
022    
023    /**
024     * Iterable wrapper to convert to strings.
025     * @author iteratee@google.com (Kyle Butt)
026     */
027    public class StringIterable implements Iterable<String> {
028    
029        private final Iterable<?> baseIterable;
030        public StringIterable(Iterable<?> baseIterable) {
031            this.baseIterable = baseIterable;
032        }
033    
034        @Override
035        public Iterator<String> iterator() {
036            final Iterator<?> baseIterator = baseIterable.iterator();
037            return new Iterator() {
038                @Override
039                public boolean hasNext() {
040                    return baseIterator.hasNext();
041                }
042    
043                @Override
044                public String next() {
045                    return baseIterator.next().toString();
046                }
047    
048                @Override
049                public void remove() {
050                    throw new UnsupportedOperationException();
051                }
052            };
053        }
054    }