de.fct.companian.analyze.prover.DepProver.java Source code

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Here is the source code for de.fct.companian.analyze.prover.DepProver.java

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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements.  See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 de.fct.companian.analyze.prover;

import java.io.File;
import java.util.Set;

import javax.sql.DataSource;

import org.apache.log4j.Logger;
import org.apache.maven.artifact.Artifact;
import org.apache.maven.project.MavenProject;
import org.dom4j.DocumentException;

import de.fct.companian.analyze.helper.DbHelper;
import de.fct.companian.analyze.mvn.PomInfo;
import de.fct.companian.analyze.mvn.helper.MvnProjectBuilder;
import de.fct.companian.analyze.mvn.helper.PomHelper;

public class DepProver {

    private static Logger logger = Logger.getLogger(DepProver.class);

    private DataSource dataSource;

    public void prove(String pomFileName) {
        long beforeStart = System.currentTimeMillis();
        logger.info("prove() start " + pomFileName);

        dataSource = DbHelper.createDataSource(null);
        if (dataSource != null) {
            File pomFile = new File(pomFileName);
            if (pomFile.exists() && pomFile.isFile() && pomFile.canRead()) {
                PomInfo pomInfo = null;
                try {
                    PomHelper pomHelper = new PomHelper(pomFile);
                    pomInfo = pomHelper.extractPomInfo();
                } catch (DocumentException e) {
                    logger.error("prove() error extracting POM info", e);
                }

                if (pomInfo != null) {
                    MavenProject mvnProject = MvnProjectBuilder.buildMavenProject(pomFile);
                    if (mvnProject != null) {
                        Set<Artifact> artifactSet = mvnProject.getArtifacts();
                        if (artifactSet != null) {
                            JarProver jarProver = new JarProver(dataSource);
                            jarProver.prove(pomInfo, artifactSet);
                        } else {
                            logger.error("prove() no dependency artifacts returned by Maven");
                        }
                    } else {
                        logger.error("prove() no Maven project returned");
                    }
                }
            }
        } else {
            logger.error("prove() data source creation failed");
            System.err.println("Error creating data source.");
            System.exit(-1);
        }

        if (logger.isInfoEnabled()) {
            long now = System.currentTimeMillis();
            long secs = (now - beforeStart) / 1000;
            long min = 0;
            if (secs >= 60) {
                min = secs / 60;
                secs = secs - (min * 60);
            }
            logger.info("prove() finished in " + min + ":" + secs + " min");
        }
    }

}