/*
* Copyright 2013, 2014 Deutsche Nationalbibliothek
*
* 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.culturegraph.mf.javaintegration;
import java.util.Collection;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
import org.culturegraph.mf.framework.helpers.DefaultStreamReceiver;
/**
* Collects {@link String}s in a {@link Set}.
*
* @author Markus Michael Geipel
*
*/
public final class ValueSet extends DefaultStreamReceiver
implements Set<String>, Collector<Set<String>> {
private Collection<Set<String>> collection;
private Set<String> set;
public ValueSet() {
super();
set = new HashSet<String>();
this.collection = null;
}
/**
* @param set
* is filled with the received results.
*/
public ValueSet(final Collection<Set<String>> collection) {
super();
set = new HashSet<String>();
this.collection = collection;
}
@Override
public int size() {
return set.size();
}
@Override
public boolean isEmpty() {
return set.isEmpty();
}
@Override
public boolean contains(final Object obj) {
return set.contains(obj);
}
@Override
public Iterator<String> iterator() {
return set.iterator();
}
@Override
public Object[] toArray() {
return set.toArray();
}
@Override
public <T> T[] toArray(final T[] arr) {
return set.toArray(arr);
}
@Override
public boolean add(final String ele) {
return set.add(ele);
}
@Override
public boolean remove(final Object obj) {
return set.remove(obj);
}
@Override
public boolean containsAll(final Collection<?> col) {
return set.containsAll(col);
}
@Override
public boolean addAll(final Collection<? extends String> col) {
return set.addAll(col);
}
@Override
public boolean retainAll(final Collection<?> col) {
return set.retainAll(col);
}
@Override
public boolean removeAll(final Collection<?> col) {
return set.removeAll(col);
}
@Override
public void clear() {
set.clear();
}
@Override
public boolean equals(final Object obj) {
return set.equals(obj);
}
@Override
public int hashCode() {
return set.hashCode();
}
@Override
public String toString() {
return set.toString();
}
@Override
public void startRecord(final String identifier) {
set.clear();
}
@Override
public void endRecord() {
if (collection != null) {
collection.add(set);
set = new HashSet<String>();
}
}
@Override
public void literal(final String name, final String value) {
set.add(value);
}
@Override
public Collection<Set<String>> getCollection() {
return collection;
}
@Override
public void setCollection(final Collection<Set<String>> collection) {
this.collection = collection;
}
}