ENTAXY-248 release 1.8.1
This commit is contained in:
@ -5,7 +5,7 @@
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<parent>
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<groupId>ru.entaxy.esb.platform.runtime.base.connecting</groupId>
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<artifactId>generator</artifactId>
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<version>1.8.0</version>
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<version>1.8.1</version>
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</parent>
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<modelVersion>4.0.0</modelVersion>
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@ -20,9 +20,16 @@
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<bundle.osgi.export.pkg>
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ru.entaxy.esb.platform.runtime.base.connecting.generator.ftl
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</bundle.osgi.export.pkg>
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<freemarker.version>2.3.29</freemarker.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.osgi</groupId>
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<artifactId>org.osgi.service.component.annotations</artifactId>
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<version>1.4.0</version>
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<scope>compile</scope>
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</dependency>
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<dependency>
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<groupId>ru.entaxy.esb.platform.runtime.base.connecting.generator</groupId>
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<artifactId>generator-api</artifactId>
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@ -34,9 +41,38 @@
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<version>${project.version}</version>
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</dependency>
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<dependency>
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<groupId>org.freemarker</groupId>
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<artifactId>freemarker</artifactId>
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<version>${freemarker.version}</version>
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</dependency>
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<!-- dependency>
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<groupId>ru.entaxy.esb.system.management.blueprint.generator</groupId>
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<artifactId>blueprint-generator</artifactId>
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<version>${project.version}</version>
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</dependency -->
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<dependency>
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<groupId>
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ru.entaxy.esb.platform.runtime.base.connecting.generator
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</groupId>
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<artifactId>generator-factory</artifactId>
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<version>${project.version}</version>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.apache.felix</groupId>
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<artifactId>maven-bundle-plugin</artifactId>
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<version>${maven-bundle-plugin.version}</version>
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<extensions>true</extensions>
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<configuration>
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<instructions>
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<_dsannotations>*</_dsannotations>
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</instructions>
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</configuration>
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</plugin>
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</plugins>
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</build>
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</project>
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@ -19,48 +19,251 @@
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*/
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package ru.entaxy.esb.platform.runtime.base.connecting.generator.ftl;
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import org.osgi.framework.BundleContext;
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import org.osgi.framework.FrameworkUtil;
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import org.osgi.framework.ServiceReference;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import ru.entaxy.esb.platform.runtime.base.connecting.generator.Generator;
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import ru.entaxy.esb.system.core.template.Template;
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import ru.entaxy.esb.system.management.blueprint.generator.Blueprint;
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import ru.entaxy.esb.system.management.blueprint.generator.BlueprintGenerator;
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import static freemarker.template.Configuration.SQUARE_BRACKET_INTERPOLATION_SYNTAX;
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import static freemarker.template.Configuration.SQUARE_BRACKET_TAG_SYNTAX;
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import java.io.IOException;
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import java.io.StringWriter;
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import java.net.MalformedURLException;
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import java.net.URL;
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import java.util.Arrays;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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public class FTLGenerator implements Generator {
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import org.osgi.framework.BundleContext;
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import org.osgi.framework.FrameworkUtil;
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import org.osgi.service.component.annotations.Activate;
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import org.osgi.service.component.annotations.Component;
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import org.osgi.service.component.annotations.Deactivate;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import freemarker.cache.URLTemplateLoader;
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import freemarker.template.Configuration;
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import freemarker.template.DefaultObjectWrapper;
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import freemarker.template.Template;
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import freemarker.template.TemplateException;
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import ru.entaxy.base.generator.template.TemplateAwareGenerator;
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import ru.entaxy.base.generator.template.TemplateImpl;
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import ru.entaxy.esb.platform.runtime.base.connecting.generator.AbstractSelfPublishGenerator;
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import ru.entaxy.esb.platform.runtime.base.connecting.generator.Generated;
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import ru.entaxy.esb.platform.runtime.base.connecting.generator.Generator;
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import ru.entaxy.esb.platform.runtime.base.connecting.generator.GeneratorService;
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import ru.entaxy.esb.platform.runtime.base.connecting.generator.factory.GeneratorFactory;
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import ru.entaxy.esb.system.common.exception.TemplateNotFound;
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@Component(
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service = {GeneratorService.class},
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property = {GeneratorService.PROP_GENERATOR_TYPE + "=" + FTLGenerator.GENERATOR_NAME},
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immediate = true
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)
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public class FTLGenerator extends AbstractSelfPublishGenerator<FTLGenerator>
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implements Generator, TemplateAwareGenerator {
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public final static String GENERATOR_NAME = "ftl";
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private static final Logger log = LoggerFactory.getLogger(FTLGenerator.class);
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private BlueprintGenerator blueprintGenerator;
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private Template template;
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public static final String PROP_TEMPLATE_NAME = "template.name";
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public static final String PROP_TEMPLATE_PATH = "template.path";
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private static final String ATTR_GENERATED_TYPE = "generated.type";
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private static final String FTL_EXTENSION = ".ftl";
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private static final String XML_EXTENSION = ".xml";
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private static final String DEFAULT_TEMPLATE_PATH = "/template/";
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// private BlueprintGenerator blueprintGenerator;
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private ru.entaxy.base.generator.template.Template template;
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@Activate
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public void activate() {
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GeneratorFactory.register(FTLGenerator.GENERATOR_NAME, this);
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}
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@Deactivate
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public void deactivate() {
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GeneratorFactory.unregister(GENERATOR_NAME);
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}
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@Override
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public Blueprint generate(Map<String, Object> properties) throws Exception {
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Map<String, String> params = (Map)properties;
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log.debug("\nTemplateLocation: {}\nTemplateName: {}\nConnectionName: {}",
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template.getTemplateLocation(), template.getTemplateName(), params.get("connectionName"));
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Blueprint blueprint = getBlueprintGenerator().createBlueprint(template.getTemplateLocation(),
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template.getTemplateName(), params.get("connectionName"), params);
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// TODO: 09.07.2021 Artifact wrapper needed instead of Blueprint (not only blueprint can be return from generator)
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return blueprint;
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public List<String> getSupportedTemplateTypes() {
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return Arrays.asList(new String[] {"ftl"});
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}
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@Override
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public Generated generate(ru.entaxy.base.generator.template.Template template, Map<String, Object> properties)
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throws Exception {
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return generateForTemplate(template, properties);
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}
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@Override
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public Generated generate(Map<String, Object> properties) throws Exception {
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prepareTemplate(properties);
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return generateForTemplate(template, properties);
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}
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public Generated generateForTemplate(ru.entaxy.base.generator.template.Template template,
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Map<String, Object> properties) throws Exception {
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URL templateURL = template.getTemplateLocation()==null
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?FrameworkUtil.getBundle(FTLGenerator.class).getEntry(DEFAULT_TEMPLATE_PATH)
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:template.getTemplateLocation();
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return doGenerate(
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templateURL,
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template.getTemplateFullName(),
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properties);
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}
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public void setTemplate(Template template) {
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protected static class Enricher {
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Generated origin;
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Map<String, Object> properties = new HashMap<>();
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String extraPrefix = "extra.";
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public Enricher(Generated origin) {
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this.origin = origin;
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}
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public Enricher cleanOrigin() {
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this.origin.getProperties().clear();
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return this;
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}
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public Enricher property(String name, Object value) {
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properties.put(name, value);
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return this;
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}
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public Enricher properties(Map<String, Object> properties) {
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this.properties.putAll(properties);
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return this;
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}
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public Enricher extraPrefix(String extraPrefix) {
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this.extraPrefix = extraPrefix;
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return this;
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}
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public Enricher extra(String name, Object value) {
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properties.put(extraPrefix + name, value);
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return this;
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}
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public Enricher extras(Map<String, Object> properties) {
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for (Map.Entry<String, Object> entry: properties.entrySet())
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this.properties.put(extraPrefix + entry.getKey(), entry.getValue());
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return this;
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}
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public Generated get() {
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this.origin.getProperties().putAll(this.properties);
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this.origin.getProperties().put("_extraPrefix", extraPrefix);
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return this.origin;
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}
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}
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protected static Enricher enrich(Generated origin) {
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return new Enricher(origin);
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}
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private Generated doGenerate(URL templateUrl, String templateFullName, Map<String, Object> params)
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throws IOException, TemplateException, TemplateNotFound {
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Template temp = getTemplateByFullName(templateUrl, templateFullName);
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Object value = temp.getCustomAttribute(FTLGenerator.ATTR_GENERATED_TYPE);
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String type = null==value?null:value.toString();
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log.info("--TEMPLATE--\n" + templateUrl.toString() + templateFullName + "\ngenerated.type: " + (null==value?Generated.GENERATED_TYPE_UNKNOWN:value.toString()));
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try (StringWriter writer = new StringWriter()) {
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temp.process(params, writer);
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return enrich(Generated.create(type, writer.toString()))
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.properties(params)
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.extraPrefix("generator.")
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.extra("templateUrl", templateUrl)
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.extra("templateFullName", value)
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.get();
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}
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}
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protected void prepareTemplate(Map<String, Object> generationProperties) {
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if (this.template != null)
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return;
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Map<String, Object> finalPropertes = new HashMap<>();
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finalPropertes.putAll(initialProperties);
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finalPropertes.putAll(generationProperties);
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TemplateImpl temp = new TemplateImpl();
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temp.setBundleContext(
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(BundleContext)finalPropertes.getOrDefault(Generator.PROP_TARGET_BUNDLE_CONTEXT
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, FrameworkUtil.getBundle(FTLGenerator.class).getBundleContext())
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);
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temp.setTemplateName((String)finalPropertes.getOrDefault(PROP_TEMPLATE_NAME
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, (String)finalPropertes.getOrDefault(Generator.PROP_USAGE_TYPE
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, "root")));
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temp.setPath((String)finalPropertes.getOrDefault(PROP_TEMPLATE_NAME
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, DEFAULT_TEMPLATE_PATH)
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);
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temp.setTemplateFullName(temp.getTemplateFileName() + FTL_EXTENSION);
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this.template = temp;
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}
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private Generated doGenerate(URL templateUrl, String templateName, String systemName, Map<String, String> params)
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throws IOException, TemplateException, TemplateNotFound {
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Template temp = getTemplateByName(templateUrl, templateName);
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Object value = temp.getCustomAttribute(FTLGenerator.ATTR_GENERATED_TYPE);
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String type = null==value?null:value.toString();
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log.info("--BLUEPRINT--\n" + templateUrl.toString() + templateName + "\ngenerated.type: " + (null==value?Generated.GENERATED_TYPE_UNKNOWN:value.toString()));
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try (StringWriter writer = new StringWriter()) {
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temp.process(params, writer);
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return Generated.create(type, writer.toString());
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}
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}
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private Template getTemplateByFullName(URL templateUrl, String templateFullName) throws IOException, TemplateNotFound {
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Configuration cfg = getConfiguration(templateUrl);
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return cfg.getTemplate(templateFullName);
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}
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private Template getTemplateByName(URL templateUrl, String templateName) throws IOException, TemplateNotFound {
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return getTemplateByFullName(templateUrl, templateName + FTL_EXTENSION);
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}
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private Configuration getConfiguration(URL templateUrl) throws TemplateNotFound {
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Configuration freemarkerConfig = new Configuration();
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freemarkerConfig.setObjectWrapper(new DefaultObjectWrapper());
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freemarkerConfig.setLocalizedLookup(false);
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freemarkerConfig.setTemplateLoader(getURLTemplateLoader(templateUrl));
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freemarkerConfig.setInterpolationSyntax(SQUARE_BRACKET_INTERPOLATION_SYNTAX);
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freemarkerConfig.setTagSyntax(SQUARE_BRACKET_TAG_SYNTAX);
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return freemarkerConfig;
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}
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private URLTemplateLoader getURLTemplateLoader(URL templateUrl) {
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return new URLTemplateLoader() {
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@Override
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protected URL getURL(String templateName) {
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try {
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return new URL(templateUrl + templateName);
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} catch (MalformedURLException e) {
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log.error(e.getMessage(), e);
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}
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return null;
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}
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};
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}
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@Deprecated
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public void setTemplate(ru.entaxy.base.generator.template.Template template) {
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this.template = template;
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}
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public BlueprintGenerator getBlueprintGenerator() {
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if (blueprintGenerator == null) {
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BundleContext bundleContext = FrameworkUtil.getBundle(BlueprintGenerator.class).getBundleContext();
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ServiceReference<BlueprintGenerator> blueprintGeneratorServiceReference =
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bundleContext.getServiceReference(BlueprintGenerator.class);
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blueprintGenerator = bundleContext.getService(blueprintGeneratorServiceReference);
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}
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return blueprintGenerator;
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}
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}
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Reference in New Issue
Block a user