net.koddistortion.swagger.SwaggerApiClient.java Source code

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Here is the source code for net.koddistortion.swagger.SwaggerApiClient.java

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/* 
 * Copyright 2014 Oliver Kotte <kotte@atb-bremen.de>.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package net.koddistortion.swagger;

import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.ObjectWriter;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.HashMap;
import java.util.Map;
import net.koddistortion.swagger.model.Resource;
import net.koddistortion.swagger.model.ResourceListing;
import net.koddistortion.swagger.model.api.ApiDeclaration;

/**
 * @author Oliver Kotte (dev@koddistortion.net)
 */
public class SwaggerApiClient {

    private String baseUrl;
    private boolean autoRetrieveApis = false;
    private ObjectMapper mapper;
    private ResourceListing resourceListing;

    private Map<String, ApiDeclaration> apiDeclarations = new HashMap<>();

    public SwaggerApiClient() {
        mapper = new ObjectMapper();
    }

    public String getBaseUrl() {
        return baseUrl;
    }

    public void setBaseUrl(String baseUrl) {
        this.baseUrl = baseUrl;
    }

    public boolean getAutoRetrieveApis() {
        return autoRetrieveApis;
    }

    public void setAutoRetrieveApis(boolean autoRetrieveApis) {
        this.autoRetrieveApis = autoRetrieveApis;
    }

    public ApiDeclaration getApiDeclaration(Resource resource) throws MalformedURLException, IOException {
        ApiDeclaration declaration = this.apiDeclarations.get(resource.getPath());
        if (declaration == null) {
            declaration = retrieveApiDeclaration(resource);
            this.apiDeclarations.put(resource.getPath(), declaration);
        }
        return declaration;
    }

    protected ApiDeclaration retrieveApiDeclaration(Resource resource) throws MalformedURLException, IOException {
        final URL url = new URL(this.getBaseUrl() + resource.getPath());
        return mapper.readValue(url.openStream(), ApiDeclaration.class);
    }

    public ResourceListing getResourceListing() throws IOException {
        URL url = new URL(this.baseUrl);
        this.resourceListing = mapper.readValue(url.openStream(), ResourceListing.class);
        if (autoRetrieveApis) {
            // TODO fill apis!
        }
        return this.resourceListing;
    }

    public static void main(String[] args) throws IOException {
        SwaggerApiClient c = new SwaggerApiClient();
        c.setBaseUrl("http://petstore.swagger.wordnik.com/api/api-docs");
        ObjectMapper mapper = new ObjectMapper();
        mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
        ResourceListing listing = c.getResourceListing();
        ObjectWriter writer = mapper.writer().withDefaultPrettyPrinter();
        for (Resource resource : listing.getApis()) {
            ApiDeclaration declaration = c.getApiDeclaration(resource);
            System.out.println(writer.writeValueAsString(declaration));
        }
    }
}