fish.payara.maven.plugins.micro.ReloadMojo Maven / Gradle / Ivy

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Payara Micro Maven Plugin that incorporates payara-micro with the produced artifact
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/*
 *
 * Copyright (c) 2020-2024 Payara Foundation and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://github.com/payara/Payara/blob/master/LICENSE.txt
 * See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at glassfish/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * The Payara Foundation designates this particular file as subject to the "Classpath"
 * exception as provided by the Payara Foundation in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
 *
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */
package fish.payara.maven.plugins.micro;

import org.apache.commons.lang.StringUtils;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugins.annotations.Mojo;
import java.io.IOException;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.PrintWriter;
import java.util.Properties;
import org.apache.maven.model.Build;
import org.apache.maven.plugin.logging.Log;
import org.apache.maven.plugins.annotations.Parameter;
import org.apache.maven.project.MavenProject;

/**
 * Reload mojo that reloads exploded web application in running payara-micro
 * instance.
 *
 * @author Gaurav Gupta
 */
@Mojo(name = "reload")
public class ReloadMojo extends BasePayaraMojo {

    private static final String RELOAD_FILE = ".reload";
    
    @Parameter(property = "hotDeploy")
    private boolean hotDeploy;

    @Parameter(property = "sourcesChanged")
    private String sourcesChanged;

    @Parameter(property = "metadataChanged")
    private boolean metadataChanged;
    
    @Parameter(property = "keepState", defaultValue = "false")
    protected boolean keepState;
    
    @Parameter(property = "devMode", defaultValue = "false")
    protected boolean devMode;
    
    @Parameter(property = "contextRoot")
    protected String contextRoot;

    public ReloadMojo(MavenProject mavenProject, Log log) {
        this.mavenProject = mavenProject;
        this.setLog(log);
    }
    
    @Override
    public void execute() throws MojoExecutionException {
        if (skip) {
            getLog().info("Reload mojo execution is skipped");
            return;
        }
        Build build = mavenProject.getBuild();
        String finalName = StringUtils.isNotEmpty(build.getFinalName())
                ? build.getFinalName()
                : mavenProject.getArtifact().getArtifactId() + '-' + mavenProject.getVersion();
        String explodedDirPath = build.getDirectory() + File.separator + finalName;

        File explodedDir = new File(explodedDirPath);
        if (!explodedDir.exists()) {
            throw new MojoExecutionException(String.format("explodedDir[%s] not found", explodedDirPath));
        }
        File reloadFile = new File(explodedDir, RELOAD_FILE);
        getLog().info("Reloading " + explodedDir);
        if (hotDeploy || keepState || devMode) {
            Properties props = new Properties();
            if (devMode) {
                props.setProperty("devMode", Boolean.TRUE.toString());
            }
            if (contextRoot != null) {
                props.setProperty("contextroot", contextRoot);
            }
            if (keepState) {
                props.setProperty("keepState", Boolean.TRUE.toString());
            }
            if (hotDeploy) {
                props.setProperty("hotdeploy", Boolean.TRUE.toString());
                if (metadataChanged) {
                    props.setProperty("metadatachanged", Boolean.TRUE.toString());
                }
                if (sourcesChanged != null && !sourcesChanged.isEmpty()) {
                    props.setProperty("sourceschanged", sourcesChanged);
                }
            }
            try (FileOutputStream outputStrem = new FileOutputStream(reloadFile)) {
                props.store(outputStrem, null);
            } catch (Exception ex) {
                throw new MojoExecutionException("Unable to save .reload file " + ex.toString());
            }
        } else if (reloadFile.exists()) {
            try ( PrintWriter pw = new PrintWriter(reloadFile)) {
            } catch (FileNotFoundException ex) {
                throw new MojoExecutionException("Unable to find .reload file " + ex.toString());
            }
            reloadFile.setLastModified(System.currentTimeMillis());
        } else {
            try {
                reloadFile.createNewFile();
            } catch (IOException ex) {
                throw new MojoExecutionException("Unable to create .reload file " + ex.toString());
            }
        }

    }

    public boolean isHotDeploy() {
        return hotDeploy;
    }

    public void setHotDeploy(boolean hotDeploy) {
        this.hotDeploy = hotDeploy;
    }

    public boolean isKeepState() {
        return keepState;
    }

    public void setKeepState(boolean keepState) {
        this.keepState = keepState;
    }

    public boolean isDevMode() {
        return devMode;
    }

    public void setDevMode(boolean devMode) {
        this.devMode = devMode;
    }

    public String getContextRoot() {
        return contextRoot;
    }

    public void setContextRoot(String contextRoot) {
        this.contextRoot = contextRoot;
    }

    public String getSourcesChanged() {
        return sourcesChanged;
    }

    public void setSourcesChanged(String sourcesChanged) {
        this.sourcesChanged = sourcesChanged;
    }

    public boolean isMetadataChanged() {
        return metadataChanged;
    }

    public void setMetadataChanged(boolean metadataChanged) {
        this.metadataChanged = metadataChanged;
    }

}