io.mapzone.arena.csw.GetRecordByIdRequest.java Source code

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Here is the source code for io.mapzone.arena.csw.GetRecordByIdRequest.java

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/* 
 * polymap.org
 * Copyright (C) 2016, the @authors. All rights reserved.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 3.0 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 */
package io.mapzone.arena.csw;

import static io.mapzone.arena.csw.Namespaces.CSW;

import java.util.Optional;

import java.io.InputStream;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.NullProgressMonitor;

import org.polymap.core.runtime.config.Config2;
import org.polymap.core.runtime.config.Mandatory;

import io.mapzone.arena.csw.jaxb.AbstractRecordXML;
import io.mapzone.arena.csw.jaxb.GetRecordByIdResponseXML;
import io.mapzone.arena.csw.jaxb.RecordXML;

/**
 * 
 *
 * @author Falko Brutigam
 */
public class GetRecordByIdRequest<T extends AbstractRecordXML> extends CswRequest<Optional<T>> {

    private static final Log log = LogFactory.getLog(GetRecordByIdRequest.class);

    /**
     * Inbound: The identifier to search for.
     */
    @Mandatory
    @RequestElement(prefix = CSW, value = "Id")
    public Config2<GetRecordByIdRequest<T>, String> identifier;

    public GetRecordByIdRequest() {
        request.set("GetRecordById");
    }

    @Override
    protected void prepare(IProgressMonitor monitor) throws Exception {
        writeElement(identifier, () -> {
        });
    }

    @Override
    protected Optional<T> handleResponse(InputStream in, IProgressMonitor monitor) throws Exception {
        GetRecordByIdResponseXML response = readObject(in, GetRecordByIdResponseXML.class);
        if (response.records.size() > 1) {
            assert response.records.size() <= 1;
            log.warn("Multiple records for id: " + identifier.get());
        }
        return (Optional<T>) response.records.stream().findAny();
    }

    // test ***********************************************

    /**
     * Test.
     */
    public static final void main(String[] args) throws Exception {
        //        GetRecordsRequest getRecords = new GetRecordsRequest()
        //              .constraint.put( "AnyText Like '%Landschaftsschutzgebiete%'" )
        //              .constraint.put( "*Landschaftsschutzgebiete*" )
        //                .baseUrl.put( "http://www.geokatalog-mittelsachsen.de/geonetwork2.10/srv/eng/csw" );

        GetRecordByIdRequest<RecordXML> getRecord = new GetRecordByIdRequest<RecordXML>().identifier
                .put("e2d17537-1cf3-4406-9980-572e41c027d2").baseUrl.put("http://localhost:8090/csw");

        Optional<RecordXML> record = getRecord.execute(new NullProgressMonitor());
        System.out.println("-----------------------------------");
        System.out.println(record.get().identifier);
    }

}