/** * Copyright (c) 2018-2019, Mihai Emil Andronache * All rights reserved. * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * 1)Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2)Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * 3)Neither the name of docker-java-api nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ package com.amihaiemil.docker; import java.net.URI; import java.net.URISyntaxException; import java.util.List; import java.util.Map; import javax.json.Json; import javax.json.JsonArrayBuilder; import javax.json.JsonObjectBuilder; import org.apache.http.NameValuePair; import org.apache.http.client.utils.URIBuilder; /** * {@link URIBuilder} with filtering. * @author Paulo Lobo ([email protected]) * @version $Id: 530eb671dda2e582213800d66d17a24f20f61d1d $ * @since 0.0.7 */ final class FilteredUriBuilder extends URIBuilder { /** * Wrapped {@link URIBuilder}. */ private final URIBuilder origin; /** * Constructor. * * @param builder Wrapped builder. * @param filters Filters. */ FilteredUriBuilder(final URIBuilder builder, final Map<String, Iterable<String>> filters){ this.origin = builder; this.addFilters(filters); } @Override public URI build() { try { return this.origin.build(); } catch (final URISyntaxException ex) { throw new IllegalStateException( "Unexpected error while building a URI!", ex ); } } @Override public List<NameValuePair> getQueryParams() { return this.origin.getQueryParams(); } /** * Adds a JSON encoded `filters` parameter. * @param filters Filters. */ private void addFilters(final Map<String, Iterable<String>> filters) { if (filters != null && !filters.isEmpty()) { final JsonObjectBuilder json = Json.createObjectBuilder(); filters.forEach( (name, values) -> { final JsonArrayBuilder array = Json.createArrayBuilder(); values.forEach(array::add); json.add(name, array); } ); this.origin.addParameter("filters", json.build().toString()); } } }