io.wcm.maven.plugins.contentpackage.httpaction.PackageManagerJsonCall.java Source code

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Here is the source code for io.wcm.maven.plugins.contentpackage.httpaction.PackageManagerJsonCall.java

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/*
 * #%L
 * wcm.io
 * %%
 * Copyright (C) 2014 wcm.io
 * %%
 * 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 io.wcm.maven.plugins.contentpackage.httpaction;

import java.io.IOException;

import org.apache.http.HttpStatus;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpRequestBase;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.util.EntityUtils;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.logging.Log;
import org.json.JSONException;
import org.json.JSONObject;

/**
 * Call to package manager JSON interface.
 */
public class PackageManagerJsonCall implements HttpCall<JSONObject> {

    private final CloseableHttpClient httpClient;
    private final HttpRequestBase method;
    private final Log log;

    /**
     * @param httpClient HTTP client
     * @param method HTTP method
     * @param log Logger
     */
    public PackageManagerJsonCall(CloseableHttpClient httpClient, HttpRequestBase method, Log log) {
        this.httpClient = httpClient;
        this.method = method;
        this.log = log;
    }

    @Override
    public JSONObject execute() throws MojoExecutionException {
        if (log.isDebugEnabled()) {
            log.debug("Call URL: " + method.getURI());
        }

        try (CloseableHttpResponse response = httpClient.execute(method)) {
            JSONObject jsonResponse = null;

            String responseString = EntityUtils.toString(response.getEntity());
            if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {

                // get response JSON
                if (responseString != null) {
                    try {
                        jsonResponse = new JSONObject(responseString);
                    } catch (JSONException ex) {
                        throw new MojoExecutionException("Error parsing JSON response.\n" + responseString, ex);
                    }
                }
                if (jsonResponse == null) {
                    jsonResponse = new JSONObject();
                    jsonResponse.put("success", false);
                    jsonResponse.put("msg", "Invalid response (null).");
                }

            } else {
                throw new MojoExecutionException(
                        "Call failed with HTTP status " + response.getStatusLine().getStatusCode() + " "
                                + response.getStatusLine().getReasonPhrase() + "\n" + responseString);
            }

            return jsonResponse;
        } catch (IOException ex) {
            throw new MojoExecutionException("Http method failed.", ex);
        }
    }

}