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package eu.dnetlib.pace.model;
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import java.util.Collection;
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import java.util.Iterator;
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import java.util.List;
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import java.util.ListIterator;
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import com.google.common.base.Function;
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import com.google.common.base.Joiner;
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import com.google.common.base.Predicate;
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import com.google.common.collect.Iterables;
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import com.google.common.collect.Lists;
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import com.google.gson.Gson;
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import com.google.gson.GsonBuilder;
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import com.google.gson.JsonObject;
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import eu.dnetlib.pace.config.Type;
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/**
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* The Class FieldListImpl.
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*/
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public class FieldListImpl extends AbstractField implements FieldList {
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/** The fields. */
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private List<Field> fields;
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/**
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* Instantiates a new field list impl.
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*/
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public FieldListImpl() {
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fields = Lists.newArrayList();
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}
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/**
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* Instantiates a new field list impl.
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*
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* @param name
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* the name
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*/
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public FieldListImpl(final String name, final Type type) {
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super(type, name);
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fields = Lists.newArrayList();
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}
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/*
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* (non-Javadoc)
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*
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* @see java.util.List#add(java.lang.Object)
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*/
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@Override
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public boolean add(final Field f) {
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return fields.add(f);
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}
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/*
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* (non-Javadoc)
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*
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* @see java.util.List#add(int, java.lang.Object)
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*/
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@Override
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public void add(final int i, final Field f) {
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fields.add(i, f);
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}
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/*
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* (non-Javadoc)
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*
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* @see java.util.List#addAll(java.util.Collection)
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*/
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@Override
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public boolean addAll(final Collection<? extends Field> f) {
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return fields.addAll(f);
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}
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/*
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* (non-Javadoc)
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*
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* @see java.util.List#addAll(int, java.util.Collection)
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*/
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@Override
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public boolean addAll(final int i, final Collection<? extends Field> f) {
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return fields.addAll(i, f);
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}
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/*
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* (non-Javadoc)
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*
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* @see java.util.List#clear()
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*/
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@Override
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public void clear() {
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fields.clear();
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}
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/*
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* (non-Javadoc)
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*
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* @see java.util.List#contains(java.lang.Object)
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*/
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@Override
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public boolean contains(final Object o) {
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return fields.contains(o);
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}
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/*
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* (non-Javadoc)
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*
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* @see java.util.List#containsAll(java.util.Collection)
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*/
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@Override
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public boolean containsAll(final Collection<?> f) {
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return fields.containsAll(f);
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}
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/*
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* (non-Javadoc)
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*
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* @see java.util.List#get(int)
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*/
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@Override
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public Field get(final int i) {
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return fields.get(i);
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}
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/*
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* (non-Javadoc)
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*
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* @see java.util.List#indexOf(java.lang.Object)
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*/
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@Override
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public int indexOf(final Object o) {
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return fields.indexOf(o);
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}
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/*
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* (non-Javadoc)
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*
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* @see eu.dnetlib.pace.model.Field#isEmpty()
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*/
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@Override
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public boolean isEmpty() {
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return Iterables.all(fields, new Predicate<Field>() {
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@Override
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public boolean apply(final Field f) {
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return f.isEmpty();
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}
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});
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}
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/*
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* (non-Javadoc)
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*
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* @see java.lang.Iterable#iterator()
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*/
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@Override
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public Iterator<Field> iterator() {
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return fields.iterator();
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}
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/*
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* (non-Javadoc)
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*
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* @see java.util.List#lastIndexOf(java.lang.Object)
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*/
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@Override
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public int lastIndexOf(final Object o) {
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return fields.lastIndexOf(o);
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}
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/*
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* (non-Javadoc)
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*
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* @see java.util.List#listIterator()
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*/
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@Override
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public ListIterator<Field> listIterator() {
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return fields.listIterator();
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}
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/*
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* (non-Javadoc)
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*
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* @see java.util.List#listIterator(int)
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*/
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@Override
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public ListIterator<Field> listIterator(final int i) {
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return fields.listIterator(i);
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}
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/*
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* (non-Javadoc)
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*
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* @see java.util.List#remove(java.lang.Object)
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*/
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@Override
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public boolean remove(final Object o) {
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return fields.remove(o);
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}
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/*
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* (non-Javadoc)
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*
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* @see java.util.List#remove(int)
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*/
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@Override
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public Field remove(final int i) {
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return fields.remove(i);
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}
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/*
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* (non-Javadoc)
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*
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* @see java.util.List#removeAll(java.util.Collection)
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*/
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@Override
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public boolean removeAll(final Collection<?> f) {
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return fields.removeAll(f);
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}
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/*
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* (non-Javadoc)
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*
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* @see java.util.List#retainAll(java.util.Collection)
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*/
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@Override
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public boolean retainAll(final Collection<?> f) {
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return fields.retainAll(f);
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}
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/*
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* (non-Javadoc)
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*
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* @see java.util.List#set(int, java.lang.Object)
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*/
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@Override
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public Field set(final int i, final Field f) {
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return fields.set(i, f);
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}
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/*
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* (non-Javadoc)
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*
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* @see java.util.List#size()
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*/
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@Override
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public int size() {
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return fields.size();
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}
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/*
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* (non-Javadoc)
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*
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* @see java.util.List#subList(int, int)
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*/
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@Override
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public List<Field> subList(final int from, final int to) {
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return fields.subList(from, to);
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}
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/*
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* (non-Javadoc)
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*
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* @see java.util.List#toArray()
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*/
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@Override
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public Object[] toArray() {
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return fields.toArray();
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}
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/*
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* (non-Javadoc)
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*
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* @see java.util.List#toArray(java.lang.Object[])
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*/
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@Override
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public <T> T[] toArray(final T[] t) {
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return fields.toArray(t);
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}
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/*
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* (non-Javadoc)
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*
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* @see eu.dnetlib.pace.model.Field#stringValue()
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*/
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@Override
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public String stringValue() {
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switch (getType()) {
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case List:
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case Int:
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case String:
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return Joiner.on(" ").join(stringList());
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case JSON:
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final String json = new Gson().toJson(stringList());
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return json;
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default:
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throw new IllegalArgumentException("Unknown type: " + getType().toString());
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}
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}
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/*
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* (non-Javadoc)
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*
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* @see eu.dnetlib.pace.model.FieldList#stringList()
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*/
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@Override
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public List<String> stringList() {
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return Lists.newArrayList(Iterables.transform(fields, getValuesTransformer()));
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}
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private Function<Field, String> getValuesTransformer() {
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return new Function<Field, String>() {
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@Override
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public String apply(final Field f) {
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return f.stringValue();
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}
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};
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}
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@Override
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public String toString() {
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return stringList().toString();
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}
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}
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