com.linkedplanet.maven.plugin.upm.AbstractUpmMojo Maven / Gradle / Ivy

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Provides Maven goals to interact with Atlassian UPM REST API.
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/*
 * #%L
 * upm-maven-plugin
 * %%
 * Copyright (C) 2019 The Plugin Authors
 * %%
 * 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.
 * #L%
 */

package com.linkedplanet.maven.plugin.upm;

import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import org.apache.commons.codec.binary.Base64;
import org.apache.http.client.config.CookieSpecs;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicHeader;
import org.apache.http.util.EntityUtils;
import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugins.annotations.Parameter;

import java.net.URL;
import java.nio.charset.StandardCharsets;
import java.util.function.Supplier;

abstract class AbstractUpmMojo extends AbstractMojo {

    @SuppressWarnings("unused")
    @Parameter(property = "baseUrl")
    URL baseUrl;

    @SuppressWarnings("unused")
    @Parameter(property = "username")
    private String username;

    @SuppressWarnings("unused")
    @Parameter(property = "password")
    private String password;

    @SuppressWarnings("unused")
    @Parameter(property = "timeoutMillis", defaultValue = "10000")
    private int timeoutMillis;

    CloseableHttpClient createHttpClient() {
        return HttpClients.custom()
                .setDefaultRequestConfig(RequestConfig.custom()
                        .setCookieSpec(CookieSpecs.STANDARD)
                        .setSocketTimeout(timeoutMillis)
                        .setConnectTimeout(timeoutMillis)
                        .setConnectionRequestTimeout(timeoutMillis)
                        .build())
                .build();
    }

    BasicHeader getAuthHeader() {
        return new BasicHeader(
                "authorization",
                "Basic " + Base64.encodeBase64String((username + ":" + password).getBytes(StandardCharsets.UTF_8)));
    }

    void poll(String taskName, long maxWaitMillis, Supplier callback) throws Exception {
        long millisWaited = 0;
        boolean success = false;
        while (!success && millisWaited < maxWaitMillis) {
            getLog().info(taskName + ": Waiting for success (" + millisWaited + "/" + maxWaitMillis + " millis waited) ...");
            long beginWaitMillis = System.currentTimeMillis();
            success = callback.get();
            Thread.sleep(5000);
            millisWaited += System.currentTimeMillis() - beginWaitMillis;
        }

        if (millisWaited >= maxWaitMillis && !success) {
            getLog().info(taskName + ": No longer waiting for success after " + maxWaitMillis + " millis");
        }
        if (success) {
            getLog().info(taskName + ": Success");
        }
    }

    static JsonObject parseResponseAsJsonObject(CloseableHttpResponse response) throws Exception {
        if (response.getStatusLine().getStatusCode() != 200) {
            throw new Exception(response.getStatusLine().toString());
        }
        String json = EntityUtils.toString(response.getEntity());
        return new JsonParser().parse(json).getAsJsonObject();
    }

}