org.jboss.resteasy.core.ListFormInjector Maven / Gradle / Ivy
package org.jboss.resteasy.core;
import org.jboss.resteasy.spi.ResteasyProviderFactory;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Pattern;
/**
* Can inject lists.
*/
public class ListFormInjector extends AbstractCollectionFormInjector {
/**
* Constructor.
*/
public ListFormInjector(Class collectionType, Class genericType, String prefix, ResteasyProviderFactory factory) {
super(collectionType, genericType, prefix, Pattern.compile("^" + prefix + "\\[(\\d+)\\]"), factory);
}
/**
* {@inheritDoc}
*
* @return ArrayList
*/
@Override
protected List createInstance(Class collectionType) {
return new ArrayList();
}
/**
* {@inheritDoc}
*/
@Override
protected void addTo(List collection, String key, Object value) {
int index = Integer.parseInt(key);
int size = collection.size();
// in case the key doesn't come in sorted order
if (collection.size() <= index) {
for (int i = 0; i < index - size + 1; i++)
collection.add(null);
}
collection.set(index, value);
}
}