com.meltmedia.cadmium.cli.WarInfoCommand.java Source code

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Here is the source code for com.meltmedia.cadmium.cli.WarInfoCommand.java

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/**
 *    Copyright 2012 meltmedia
 *
 *    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 com.meltmedia.cadmium.cli;

import java.io.File;
import java.util.List;

import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.util.EntityUtils;

import com.beust.jcommander.Parameter;
import com.beust.jcommander.Parameters;
import com.google.gson.Gson;
import com.meltmedia.cadmium.core.MavenVector;
import com.meltmedia.cadmium.core.WarInfo;
import com.meltmedia.cadmium.core.util.WarUtils;

/**
 * Gets information about a specified war.  Works with remote wars through a deployer.
 * 
 * @author John McEntire
 *
 */
@Parameters(commandDescription = "Gets information about a cadmium war.", separators = "=")
public class WarInfoCommand extends AbstractAuthorizedOnly implements CliCommand {

    @Parameter(names = { "--deployer-site", "-s" }, description = "Deployer url", required = false)
    private String site;

    @Parameter(description = "<warName>", required = true)
    private List<String> args;

    @Override
    public String getCommandName() {
        return "war-info";
    }

    @Override
    public void execute() throws Exception {
        if (args == null || args.size() != 1) {
            System.err.println("Please specify the name of a war.");
            System.exit(1);
        }

        String site = null;
        if (this.site != null) {
            site = this.getSecureBaseUrl(this.site);
        }
        String warName = args.get(0);

        WarInfo info = null;
        if (site != null) {
            info = getDeployedWarInfo(site, warName, token);
        } else {
            info = WarUtils.getWarInfo(new File(warName));
        }

        if (info == null) {
            System.out.println("War [" + warName + "] not found.");
        } else {
            System.out.println("War Information[" + info.getWarName() + "]");
            System.out.println("  Domain     => \"" + info.getDomain() + "\"");
            System.out.println("  Context    => \"" + info.getContext() + "\"");
            System.out.println("\nContent: ");
            System.out.println("  Repository => \"" + info.getRepo() + "\"");
            System.out.println("  Branch     => \"" + info.getContentBranch() + "\"");
            System.out.println("\nConfiguration: ");
            System.out.println("  Repository => \"" + info.getConfigRepo() + "\"");
            System.out.println("  Branch     => \"" + info.getConfigBranch() + "\"");
            System.out.println("\nArtifact Info:");
            for (MavenVector mvn : info.getArtifacts()) {
                System.out
                        .println("  " + mvn.getGroupId() + ":" + mvn.getArtifactId() + ":war:" + mvn.getVersion());
            }
        }

    }

    /**
     * Retrieves information about a deployed cadmium war.
     *  
     * @param url The uri to a Cadmium deployer war.
     * @param warName The name of a deployed war.
     * @param token The Github API token used for authentication.
     * @return
     * @throws Exception
     */
    public static WarInfo getDeployedWarInfo(String url, String warName, String token) throws Exception {
        HttpClient client = httpClient();

        HttpGet get = new HttpGet(url + "/system/deployment/details/" + warName);
        addAuthHeader(token, get);

        HttpResponse resp = client.execute(get);

        if (resp.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
            WarInfo info = new Gson().fromJson(EntityUtils.toString(resp.getEntity()), WarInfo.class);
            return info;
        }

        return null;
    }

}