com.googlecode.bdoc.mojo.RootPackageGenerator.java Source code

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Here is the source code for com.googlecode.bdoc.mojo.RootPackageGenerator.java

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/**
 * The MIT License
 * 
 * Copyright (c) 2008, 2009 @Author(s)
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package com.googlecode.bdoc.mojo;

import org.apache.maven.project.MavenProject;

/**
 *  @author Per Otto Bergum Christensen
 */
public class RootPackageGenerator {

    private RootPackageGenerator() {

    }

    public static String calculateRootPackage(MavenProject project) {
        String groupId = project.getGroupId();
        String artifactId = project.getArtifactId();
        String result = null;

        if (groupId.equals(artifactId) || groupId.endsWith(artifactId)) {
            result = groupId;
        } else {
            String[] groupIdPices = groupId.split("\\.");

            if (1 == groupIdPices.length) {
                groupIdPices = groupId.split("-");
            }

            if (0 < groupIdPices.length) {
                String groupIdPostfix = groupIdPices[groupIdPices.length - 1];

                String[] artifactIdPices = artifactId.split("-");
                String artifactIdPrefix = artifactIdPices[0];

                if (groupIdPostfix.equals(artifactIdPrefix)) {
                    result = groupId + artifactId.substring(artifactIdPrefix.length());
                }
            }
        }
        if (null == result) {
            result = groupId;
        }
        return result.replace('-', '.');
    }

}