added file-existence goal

.project

.classpath

# Visual Studio Code

.factorypath

<?xml version="1.0" encoding="UTF-8"?>

<project xmlns="http://maven.apache.org/POM/4.0.0"

		xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

		xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

	<modelVersion>4.0.0</modelVersion>

	<groupId>com.inteligr8</groupId>

	<artifactId>conditional-maven-plugin-boolean-property</artifactId>

	<version>@pom.version@</version>

	<packaging>pom</packaging>

	<name>File Existence Plugin Tests</name>

	<properties>

		<file.exists>${basedir}/pom.xml</file.exists>

		<file.missing>${basedir}/pom2.xml</file.missing>

	</properties>

	<build>

		<plugins>

			<plugin>

				<groupId>${project.groupId}</groupId>

				<artifactId>conditional-maven-plugin</artifactId>

				<version>@pom.version@</version>

				<executions>

					<execution>

						<id>check-true-null</id>

						<phase>validate</phase>

						<goals>

							<goal>file-existence</goal>

						</goals>

						<configuration>

							<file>${file.exists}</file>

							<newProperty>prop.true-null</newProperty>

						</configuration>

					</execution>

					<execution>

						<id>check-true-empty</id>

						<phase>validate</phase>

						<goals>

							<goal>file-existence</goal>

						</goals>

						<configuration>

							<file>${file.exists}</file>

							<trueValue></trueValue>

							<newProperty>prop.true-empty</newProperty>

						</configuration>

					</execution>

					<execution>

						<id>check-true</id>

						<phase>validate</phase>

						<goals>

							<goal>file-existence</goal>

						</goals>

						<configuration>

							<file>${file.exists}</file>

							<trueValue>condition was true</trueValue>

							<newProperty>prop.true-valued</newProperty>

						</configuration>

					</execution>

					<execution>

						<id>check-false-null</id>

						<phase>validate</phase>

						<goals>

							<goal>file-existence</goal>

						</goals>

						<configuration>

							<file>${file.missing}</file>

							<newProperty>prop.false-null</newProperty>

						</configuration>

					</execution>

					<execution>

						<id>check-false-empty</id>

						<phase>validate</phase>

						<goals>

							<goal>file-existence</goal>

						</goals>

						<configuration>

							<file>${file.missing}</file>

							<falseValue></falseValue>

							<newProperty>prop.false-empty</newProperty>

						</configuration>

					</execution>

					<execution>

						<id>check-false</id>

						<phase>validate</phase>

						<goals>

							<goal>file-existence</goal>

						</goals>

						<configuration>

							<file>${file.missing}</file>

							<falseValue>condition was false</falseValue>

							<newProperty>prop.false-valued</newProperty>

						</configuration>

					</execution>

				</executions>

			</plugin>

			<plugin>

				<artifactId>maven-enforcer-plugin</artifactId>

				<version>1.4.1</version>

				<executions>

					<execution>

						<id>assert</id>

						<goals><goal>enforce</goal></goals>

						<configuration>

							<rules>

								<requireProperty>

									<property>prop.true-valued</property>

									<regex>condition was true</regex>

								</requireProperty>

								<requireProperty>

									<property>prop.false-valued</property>

									<regex>condition was false</regex>

								</requireProperty>

							</rules>

						</configuration>

					</execution>

				</executions>

			</plugin>

		</plugins>

	</build>

</project>

/*

 * This program is free software: you can redistribute it and/or modify it

 * under the terms of the GNU Lesser General Public License as published by

 * the Free Software Foundation, either version 3 of the License, or (at your

 * option) any later version.

 * 

 * This program is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for

 * more details.

 * 

 * You should have received a copy of the GNU General Public License along

 * with this program.  If not, see <https://www.gnu.org/licenses/>.

 */

package com.inteligr8.maven.conditional;

import java.io.File;

import javax.annotation.OverridingMethodsMustInvokeSuper;

import org.apache.commons.lang3.StringUtils;

import org.apache.maven.plugin.MojoExecutionException;

import org.apache.maven.plugin.MojoFailureException;

import org.apache.maven.plugins.annotations.Mojo;

import org.apache.maven.plugins.annotations.Parameter;

import org.codehaus.plexus.component.annotations.Component;

import org.codehaus.plexus.component.annotations.Requirement;

import com.inteligr8.maven.ProjectPropertyResolver;

@Mojo( name = "file-existence", threadSafe = true )

@Component( role = org.apache.maven.plugin.Mojo.class )

public class FileExistenceMojo extends AbstractPropertyMojo {

	@Parameter( property = "file", required = true )

	protected String file;

	@Parameter( property = "emptyFileIsTrue" )

	protected boolean emptyFileIsTrue = false;

	@Requirement

	private ProjectPropertyResolver propResolver;

    @Override

    public void go() throws MojoExecutionException {

    	this.getLog().debug("Executing boolean property condition");

    	boolean value = false;

    	File fileobj = new File(this.file);

    	if (fileobj.exists()) {

    		value = this.emptyFileIsTrue ? true : (fileobj.length() > 0L);

		}

    	this.executeOnCondition(value);

    }

    @Override

    @OverridingMethodsMustInvokeSuper

    protected void validateParamsPreNormalization() throws MojoFailureException {

    	super.validateParamsPreNormalization();

    	if (this.file == null)

    		throw new MojoFailureException("The 'file' element is required");

    }

    @Override

    @OverridingMethodsMustInvokeSuper

    protected void normalizeParameters() throws MojoFailureException {

    	super.normalizeParameters();

    	this.file = StringUtils.trimToNull(this.file);

    }

    @Override

    @OverridingMethodsMustInvokeSuper

    protected void validateParamsPostNormalization() throws MojoFailureException {

    	super.validateParamsPostNormalization();

    	if (this.file == null)

    		throw new MojoFailureException("The 'file' element is required");

    }

}