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package org.everit.json.schema.loader;
import java.io.InputStream;
import java.util.function.Function;
import org.everit.json.schema.loader.internal.DefaultSchemaClient;
/**
* This interface is used by {@link SchemaLoader} to fetch the contents denoted by remote JSON
* pointer.
*
* Implementations are expected to support the HTTP/1.1 protocol, the support of other protocols is
* optional.
*/
@FunctionalInterface
public interface SchemaClient extends Function {
static SchemaClient classPathAwareClient() {
return new ClassPathAwareSchemaClient(new DefaultSchemaClient());
}
@Override
default InputStream apply(final String url) {
return get(url);
}
/**
* Returns a stream to be used for reading the remote content (response body) of the URL. In the
* case of a HTTP URL, implementations are expected send HTTP GET requests and the response is
* expected to be represented in UTF-8 character set.
*
* @param url
* the URL of the remote resource
* @return the input stream of the response
* @throws java.io.UncheckedIOException
* if an IO error occurs.
*/
InputStream get(String url);
}