com.cybernostics.jsp2thymeleaf.maven.JSPConvertMojo.java Source code

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Here is the source code for com.cybernostics.jsp2thymeleaf.maven.JSPConvertMojo.java

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package com.cybernostics.jsp2thymeleaf.maven;

/*
 * Copyright 2001-2005 The Apache Software Foundation.
 *
 * 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.
 */
import com.cybernostics.jsp2thymeleaf.JSP2Thymeleaf;
import com.cybernostics.jsp2thymeleaf.JSP2ThymeleafConfiguration;
import com.cybernostics.jsp2thymeleaf.api.exception.JSP2ThymeLeafException;
import java.io.File;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Arrays;
import java.util.List;
import static java.util.stream.Collectors.toList;
import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.logging.Log;
import org.apache.maven.plugins.annotations.LifecyclePhase;
import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.plugins.annotations.Parameter;

/**
 * Goal which converts JSP files into Thymeleaf. Files get put into the
 * Generated Sources folder
 *
 */
@Mojo(name = "convert", defaultPhase = LifecyclePhase.PROCESS_SOURCES, requiresProject = true)
public class JSPConvertMojo extends AbstractMojo {

    /**
     * Location of the generated sources.
     */
    @Parameter(defaultValue = "${project.build.directory}/classes/templates", property = "outputDir", required = true)
    private File outputDirectory;

    @Parameter(defaultValue = "true", property = "updateLinks", required = true)
    private Boolean updateLinks;

    @Parameter(defaultValue = "${project.basedir}/src/main/webapp/WEB-INF/jsp", required = true)
    private File srcDirectory;

    @Parameter(defaultValue = "${project.basedir}/src/main/jsp2thymeleaf", required = false)
    private File converterScriptDirectory;

    private static final String[] DEFAULT_INCLUDES = { "**/*.jsp", "**/*.jspx", "**/*.jspf" };

    @Parameter
    private String[] includes = DEFAULT_INCLUDES;

    @Parameter
    private String[] excludes = new String[0];

    public File getOutputDirectory() {
        return outputDirectory;
    }

    public Boolean getUpdateLinks() {
        return updateLinks;
    }

    public File getSrcDirectory() {
        return srcDirectory;
    }

    public String[] getIncludes() {
        return includes;
    }

    public void execute() throws MojoExecutionException

    {
        final Log log = getLog();
        log.info("includes:" + Arrays.toString(getIncludes()));
        log.info("outputDirectory = " + outputDirectory.getAbsolutePath());
        log.info("srcDirectory = " + srcDirectory.getAbsolutePath());
        log.info("updateLinks = " + updateLinks);
        log.info("taglib scripts folder " + converterScriptDirectory.toString());
        JSP2ThymeleafConfiguration config = JSP2ThymeleafConfiguration.getBuilder().withIncludes(includes)
                .withExcludes(excludes).withSrcFolder(srcDirectory.toString())
                .withDestFolder(outputDirectory.toString())
                .withConverterScripts(scriptsInFolder(converterScriptDirectory)).build();
        JSP2Thymeleaf jSP2Thymeleaf = new JSP2Thymeleaf(config);
        try {
            final List<JSP2ThymeLeafException> exceptions = jSP2Thymeleaf.run();
            if (exceptions.isEmpty()) {
                log.info("JSP2Thymeleaf converted all files successfully.");
            } else {
                log.error("JSP2Thymeleaf had errors:");
                for (JSP2ThymeLeafException exception : exceptions) {
                    log.error(exception.getMessage());
                }
                throw new MojoExecutionException("Failed to convert all files");
            }
        } catch (MojoExecutionException exception) {
            throw exception;
        } catch (Throwable t) {
            log.error(t);
            throw t;
        }
    }

    private String[] scriptsInFolder(File converterScriptDirectory) {
        final Path scriptFolder = Paths.get(converterScriptDirectory.toURI());
        String[] templateArray = new String[0];
        return Arrays.asList(converterScriptDirectory.list((dir, name) -> {
            return name.endsWith(".groovy");
        })).stream().map(it -> scriptFolder.resolve(it).toAbsolutePath()).collect(toList()).toArray(templateArray);
    }

}