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joverheid

Java implementation of Overheid.io API

How to use

Installation

First of all, you need any implementation of javax.ws.rs.client.Client For example you can use jersey client

Add the following dependency to your maven pom.xml file

<dependency>
    <groupId>org.glassfish.jersey.core</groupId>
    <artifactId>jersey-client</artifactId>
    <version>${jersey.client.version}</version>
</dependency>

Then you need pass client implementation to OverheidClient as constructor param.

Example to construct client implementation in spring framework.

In application context XML add the following XML definition

<bean id="overheidJerseyClientBuilder"
          class="org.biacode.joverheid.api.configuration.impl.OverheidJerseyClientBuilderImpl"/>

<bean id="overheidJerseyClient" factory-bean="overheidJerseyClientBuilder" factory-method="build"/>

<bean id="overheidClient" class="org.biacode.joverheid.api.client.impl.OverheidClientImpl">
    <constructor-arg name="client" ref="overheidJerseyClient"/>
</bean>

If you simply need to test overheid API.

Then construct jersey client as follows

package my.application;

import com.fasterxml.jackson.jaxrs.json.JacksonJsonProvider;
import org.biacode.joverheid.api.client.OverheidClient;
import org.biacode.joverheid.api.client.impl.OverheidClientImpl;
import org.biacode.joverheid.api.model.common.OverheidResult;
import org.biacode.joverheid.api.model.request.GetCorporationsRequest;
import org.biacode.joverheid.api.model.response.GetCorporationsResponse;

import javax.ws.rs.client.ClientBuilder;
import java.util.HashMap;
import java.util.Map;

public class MainApplication {
    public static void main(String[] args) {
        // construct overheid java client
        final OverheidClient overheidClient = new OverheidClientImpl(
                ClientBuilder.newBuilder().register(JacksonJsonProvider.class).build(),
                "Your API key here"
        );
        // you can build filters and pass them to the request constructor as follows
        final Map<String, String> filters = new HashMap<>();
        filters.put("size", "10");
        filters.put("filters[postcode]", "3083cz");
        final GetCorporationsRequest getCorporationsRequest = new GetCorporationsRequest(filters);
        final OverheidResult<GetCorporationsResponse> corporations = overheidClient
                .getCorporations(getCorporationsRequest);
        // check if there is any error
        if (corporations.hasError()) {
            System.out.println(corporations.getError());
        } else {
            // the getResponse() will return the response models E.g. embedded and links
            System.out.println(corporations.getResponse());
            System.out.println(corporations.getResponse().getEmbedded());
            System.out.println(corporations.getResponse().getLinks());
        }
    }
}

Available API calls

Get single corporation

overheidClient.getCorporation(new GetCorporationRequest(12345, "subdossier nummer here"));

Get corporations

overheidClient.getCorporations(new GetCorporationsRequest(filters));

Get dossier corporation

overheidClient.getDossierCorporation(new GetDossierCorporationRequest(12345));

Get suggestions

overheidClient.getSuggestion(new SuggestionRequest("oudet", filters));

Best practices

Make singleton of the OverheidClient so you do not need to construct the client for every API call

The official Overheid documentation