Examples with JavaClass org.apache.camel.tooling.util.srcgen.JavaClass used on opensource projects

Example 1 with JavaClass

use of org.apache.camel.tooling.util.srcgen.JavaClass in project camel-kafka-connector by apache.

the class CamelKafkaConnectorUpdateMojo method createClasses.

private void createClasses(String sanitizedName, File connectorDir, ComponentModel model, ConnectorType ct) throws MojoFailureException, ResourceNotFoundException, FileResourceCreationException, IOException, MojoExecutionException {
    String ctCapitalizedName = StringUtils.capitalize(ct.name().toLowerCase());
    String ctLowercaseName = ct.name().toLowerCase();
    String packageName = "org.apache.camel.kafkaconnector." + RESERVED_WORDS_SUBSTITUTION_MAP.getOrDefault(sanitizedName.replace("-", ""), sanitizedName.replace("-", ""));
    Map<String, String> additionalProperties = new HashMap<>();
    Properties properties = new Properties();
    try (InputStream stream = new FileInputStream(rm.getResourceAsFile(fixDependenciesProperties))) {
        properties.load(stream);
    }
    String commonPropertyValue = properties.getProperty(ADDITIONAL_COMMON_PROPERTIES_PROPERTY_PREFIX + getMainDepArtifactId());
    getLog().debug("Additional common connector properties: " + commonPropertyValue);
    addProperties(additionalProperties, commonPropertyValue);
    String sourceOrSinkPropertyValue = properties.getProperty(ADDITIONAL_COMMON_PROPERTIES_PROPERTY_PREFIX + ctLowercaseName + "_" + getMainDepArtifactId());
    getLog().debug("Additional " + ctLowercaseName + " connector properties: " + sourceOrSinkPropertyValue);
    addProperties(additionalProperties, sourceOrSinkPropertyValue);
    // Camel{sanitizedName}{Sink,Source}ConnectorConfig.java
    String javaClassConnectorConfigName = "Camel" + StringUtils.capitalize(sanitizedName.replace("-", "")) + ctCapitalizedName + "ConnectorConfig";
    final JavaClass javaClassConnectorConfig = new JavaClass(getProjectClassLoader());
    javaClassConnectorConfig.setPackage(packageName);
    javaClassConnectorConfig.setName(javaClassConnectorConfigName);
    javaClassConnectorConfig.addAnnotation(Generated.class).setStringValue("value", "This class has been generated by camel-kafka-connector-generator-maven-plugin, remove this annotation to prevent it from being generated.");
    javaClassConnectorConfig.extendSuperType("Camel" + ctCapitalizedName + "ConnectorConfig");
    javaClassConnectorConfig.addImport("java.util.Map");
    javaClassConnectorConfig.addImport("org.apache.camel.kafkaconnector.Camel" + ctCapitalizedName + "ConnectorConfig");
    javaClassConnectorConfig.addImport("org.apache.kafka.common.config.ConfigDef");
    javaClassConnectorConfig.addMethod().setConstructor(true).setName(javaClassConnectorConfigName).addParameter("ConfigDef", "config").addParameter("Map<String, String>", "parsedConfig").setPublic().setBody("super(config, parsedConfig);");
    javaClassConnectorConfig.addMethod().setConstructor(true).setName(javaClassConnectorConfigName).addParameter("Map<String, String>", "parsedConfig").setPublic().setBody("this(conf(), parsedConfig);");
    Method confMethod = javaClassConnectorConfig.addMethod().setConstructor(false).setName("conf").setReturnType("ConfigDef").setPublic().setStatic().setBody("ConfigDef conf = new ConfigDef(Camel" + ctCapitalizedName + "ConnectorConfig.conf());\n");
    Predicate<? super BaseOptionModel> filterEndpointOptions;
    switch(ct) {
        case SINK:
            filterEndpointOptions = new Predicate<BaseOptionModel>() {

                @Override
                public boolean test(BaseOptionModel optionModel) {
                    return optionModel.getLabel() == null || optionModel.getLabel().contains("producer") || (!optionModel.getLabel().contains("producer") && !optionModel.getLabel().contains("consumer"));
                }
            };
            break;
        case SOURCE:
            filterEndpointOptions = new Predicate<BaseOptionModel>() {

                @Override
                public boolean test(BaseOptionModel optionModel) {
                    return optionModel.getLabel() == null || optionModel.getLabel().contains("consumer") || (!optionModel.getLabel().contains("producer") && !optionModel.getLabel().contains("consumer"));
                }
            };
            break;
        default:
            throw new UnsupportedOperationException("Connector type not supported: " + ct + " must be one of " + ConnectorType.SINK + ", " + ConnectorType.SOURCE);
    }
    List<CamelKafkaConnectorOptionModel> listOptions = new ArrayList<>();
    model.getEndpointPathOptions().stream().filter(filterEndpointOptions).forEachOrdered(epo -> addConnectorOptions(sanitizedName, ct, javaClassConnectorConfig, confMethod, "PATH", ctLowercaseName, "path", epo, listOptions));
    model.getEndpointParameterOptions().stream().filter(filterEndpointOptions).forEachOrdered(epo -> addConnectorOptions(sanitizedName, ct, javaClassConnectorConfig, confMethod, "ENDPOINT", ctLowercaseName, "endpoint", epo, listOptions));
    model.getComponentOptions().stream().filter(filterEndpointOptions).forEachOrdered(co -> addConnectorOptions(sanitizedName, ct, javaClassConnectorConfig, confMethod, "COMPONENT", "component", sanitizedName, co, listOptions));
    confMethod.setBody(confMethod.getBody() + "return conf;");
    String javaClassConnectorConfigFileName = packageName.replaceAll("\\.", "\\/") + File.separator + javaClassConnectorConfigName + ".java";
    MavenUtils.writeSourceIfChanged(javaClassConnectorConfig, javaClassConnectorConfigFileName, false, connectorDir, rm.getResourceAsFile(javaFilesHeader));
    // Camel{sanitizedName}{Sink,Source}Task.java
    String javaClassTaskName = "Camel" + StringUtils.capitalize(sanitizedName.replace("-", "")) + ctCapitalizedName + "Task";
    final JavaClass javaClassTask = new JavaClass(getProjectClassLoader());
    javaClassTask.setPackage(packageName);
    javaClassTask.setName(javaClassTaskName);
    javaClassTask.addAnnotation(Generated.class).setStringValue("value", "This class has been generated by camel-kafka-connector-generator-maven-plugin, remove this annotation to prevent it from being generated.");
    javaClassTask.extendSuperType("Camel" + ctCapitalizedName + "Task");
    javaClassTask.addImport("java.util.HashMap");
    javaClassTask.addImport("java.util.Map");
    javaClassTask.addImport("org.apache.camel.kafkaconnector.Camel" + ctCapitalizedName + "ConnectorConfig");
    javaClassTask.addImport("org.apache.camel.kafkaconnector.Camel" + ctCapitalizedName + "Task");
    javaClassTask.addMethod().setConstructor(false).setName("getCamel" + ctCapitalizedName + "ConnectorConfig").setProtected().addParameter("Map<String, String>", "props").setReturnType("Camel" + ctCapitalizedName + "ConnectorConfig").setBody("return new Camel" + StringUtils.capitalize(sanitizedName.replace("-", "")) + ctCapitalizedName + "ConnectorConfig(props);").addAnnotation(Override.class);
    Method getDefaultConfigMethod = javaClassTask.addMethod().setConstructor(false).setName("getDefaultConfig").setProtected().setReturnType("Map<String, String>").setBody("return new HashMap<String, String>() {{\n");
    getDefaultConfigMethod.setBody(getDefaultConfigMethod.getBody() + "    put(Camel" + ctCapitalizedName + "ConnectorConfig.CAMEL_" + ct + "_COMPONENT_CONF, \"" + model.getScheme() + "\");\n");
    for (String key : new TreeSet<String>(additionalProperties.keySet())) {
        getDefaultConfigMethod.setBody(getDefaultConfigMethod.getBody() + "    put(\"" + key + "\", \"" + additionalProperties.get(key) + "\");\n");
    }
    getDefaultConfigMethod.setBody(getDefaultConfigMethod.getBody() + "}};\n");
    getDefaultConfigMethod.addAnnotation(Override.class);
    String javaClassTaskFileName = packageName.replaceAll("\\.", "\\/") + File.separator + javaClassTaskName + ".java";
    MavenUtils.writeSourceIfChanged(javaClassTask, javaClassTaskFileName, false, connectorDir, rm.getResourceAsFile(javaFilesHeader));
    // Camel{sanitizedName}{Sink,Source}Connector.java
    String javaClassConnectorName = "Camel" + StringUtils.capitalize(sanitizedName.replace("-", "")) + ctCapitalizedName + "Connector";
    final JavaClass javaClassConnector = new JavaClass(getProjectClassLoader());
    javaClassConnector.setPackage(packageName);
    javaClassConnector.setName(javaClassConnectorName);
    javaClassConnector.addAnnotation(Generated.class).setStringValue("value", "This class has been generated by camel-kafka-connector-generator-maven-plugin, remove this annotation to prevent it from being generated.");
    javaClassConnector.extendSuperType("Camel" + ctCapitalizedName + "Connector");
    javaClassConnector.addImport("org.apache.camel.kafkaconnector.Camel" + ctCapitalizedName + "Connector");
    javaClassConnector.addImport("org.apache.kafka.common.config.ConfigDef");
    javaClassConnector.addImport("org.apache.kafka.connect.connector.Task");
    javaClassConnector.addMethod().setConstructor(false).setName("config").setPublic().setReturnType("ConfigDef").setBody("return Camel" + StringUtils.capitalize(sanitizedName.replace("-", "")) + ctCapitalizedName + "ConnectorConfig.conf();").addAnnotation(Override.class);
    javaClassConnector.addMethod().setConstructor(false).setName("taskClass").setPublic().setReturnType("Class<? extends Task>").setBody("return Camel" + StringUtils.capitalize(sanitizedName.replace("-", "")) + ctCapitalizedName + "Task.class;").addAnnotation(Override.class);
    String javaClassConnectorFileName = packageName.replaceAll("\\.", "\\/") + File.separator + javaClassConnectorName + ".java";
    MavenUtils.writeSourceIfChanged(javaClassConnector, javaClassConnectorFileName, false, connectorDir, rm.getResourceAsFile(javaFilesHeader));
    List<String> convertersList = new ArrayList<>();
    List<String> transformsList = new ArrayList<>();
    List<String> aggregationStrategiesList = new ArrayList<>();
    if (connectorDir != null && connectorDir.isDirectory()) {
        File[] files = connectorDir.listFiles();
        if (files != null) {
            for (int i = 0; i < files.length; i++) {
                File file = files[i];
                if (file.isDirectory()) {
                    Collection<File> convertersElements = FileUtils.listFiles(file, new RegexFileFilter(".*Converter.java"), DirectoryFileFilter.DIRECTORY);
                    Collection<File> transformElements = FileUtils.listFiles(file, new RegexFileFilter(".*Transforms.java"), DirectoryFileFilter.DIRECTORY);
                    Collection<File> aggStrategiesElements = FileUtils.listFiles(file, new RegexFileFilter(".*AggregationStrategy.java"), DirectoryFileFilter.DIRECTORY);
                    for (File p : convertersElements) {
                        String filePath = p.getCanonicalPath();
                        String f = StringUtils.removeStart(filePath, connectorDir.getAbsolutePath() + "/src/main/java/");
                        String finalElement = StringUtils.replace(f, File.separator, ".");
                        String finalPath = StringUtils.removeEnd(finalElement, ".java");
                        convertersList.add(finalPath);
                    }
                    for (File p : transformElements) {
                        String filePath = p.getCanonicalPath();
                        String f = StringUtils.removeStart(filePath, connectorDir.getAbsolutePath() + "/src/main/java/");
                        String finalElement = StringUtils.replace(f, File.separator, ".");
                        String finalPath = StringUtils.removeEnd(finalElement, ".java");
                        transformsList.add(finalPath);
                    }
                    for (File p : aggStrategiesElements) {
                        String filePath = p.getCanonicalPath();
                        String f = StringUtils.removeStart(filePath, connectorDir.getAbsolutePath() + "/src/main/java/");
                        String finalElement = StringUtils.replace(f, File.separator, ".");
                        String finalPath = StringUtils.removeEnd(finalElement, ".java");
                        aggregationStrategiesList.add(finalPath);
                    }
                }
            }
        }
    }
    // docs/examples/Camel{sanitizedName}{Sink,Source}.properties
    try {
        String examplesPropertiestemplate = null;
        switch(ct) {
            case SOURCE:
                examplesPropertiestemplate = loadText(rm.getResourceAsFile(exampleSourcePropertiesFileTemplate));
                break;
            case SINK:
                examplesPropertiestemplate = loadText(rm.getResourceAsFile(exampleSinkPropertiesFileTemplate));
                break;
            default:
                break;
        }
        HashMap<String, Object> templateParams = new HashMap<>();
        templateParams.put("connectorName", StringUtils.capitalize(sanitizedName));
        templateParams.put("connectorClass", packageName + "." + javaClassConnectorName);
        List<CamelKafkaConnectorOptionModel> mandatoryOptions = listOptions.stream().filter(o -> "HIGH".equalsIgnoreCase(o.getPriority())).sorted(Comparator.comparing(CamelKafkaConnectorOptionModel::getName, String.CASE_INSENSITIVE_ORDER)).collect(Collectors.toList());
        templateParams.put("options", mandatoryOptions);
        String examplePropertiesFileContent = (String) TemplateRuntime.eval(examplesPropertiestemplate, templateParams);
        writeFileIfChanged(examplePropertiesFileContent, new File(connectorDir, "src/main/docs/examples/" + javaClassConnectorName + ".properties"), getLog());
    } catch (Exception e) {
        throw new MojoExecutionException("Error processing mvel examples properties template. Reason: " + e, e);
    }
    // generate json descriptor src/generated/resources/<connector-name>.json
    writeJson(listOptions, model.getDescription(), connectorDir, ct, packageName + "." + javaClassConnectorName, convertersList, transformsList, aggregationStrategiesList);
    // generate descriptor src/generated/descriptors/connector-{sink,source}.properties
    writeDescriptors(connectorDir, ct);
}

Example 2 with JavaClass

use of org.apache.camel.tooling.util.srcgen.JavaClass in project camel-spring-boot by apache.

the class SpringBootAutoConfigurationMojo method createRestConfigurationSource.

private void createRestConfigurationSource(String packageName, EipModel model, String propertiesPrefix) throws MojoFailureException {
    final int pos = model.getJavaType().lastIndexOf(".");
    final String className = model.getJavaType().substring(pos + 1) + "Properties";
    generateDummyClass(packageName + "." + className);
    // Common base class
    JavaClass javaClass = new JavaClass(getProjectClassLoader());
    javaClass.setPackage(packageName);
    javaClass.setName(className);
    javaClass.addAnnotation(Generated.class).setStringValue("value", SpringBootAutoConfigurationMojo.class.getName());
    javaClass.addAnnotation("org.springframework.boot.context.properties.ConfigurationProperties").setStringValue("prefix", propertiesPrefix);
    String doc = "Generated by camel-package-maven-plugin - do not edit this file!";
    if (!Strings.isNullOrEmpty(model.getDescription())) {
        doc = model.getDescription() + "\n\n" + doc;
    }
    javaClass.getJavaDoc().setFullText(doc);
    for (EipOptionModel option : model.getOptions()) {
        String type = option.getJavaType();
        String name = option.getName();
        if ("id".equalsIgnoreCase(name) || "parent".equalsIgnoreCase(name) || "camelContext".equalsIgnoreCase(name)) {
            // Skip them as they should not be set via spring boot
            continue;
        }
        if ("java.util.List<org.apache.camel.model.PropertyDefinition>".equalsIgnoreCase(type)) {
            type = "java.util.Map<java.lang.String, java.lang.String>";
        } else if ("java.util.List<org.apache.camel.model.rest.RestPropertyDefinition>".equalsIgnoreCase(type)) {
            type = "java.util.Map<java.lang.String, java.lang.Object>";
        }
        // to avoid ugly names such as c-o-r-s
        if ("enableCORS".equalsIgnoreCase(name)) {
            name = "enableCors";
        }
        // generate inner class for non-primitive options
        Property prop = javaClass.addProperty(type, name);
        if (!Strings.isNullOrEmpty(option.getDescription())) {
            prop.getField().getJavaDoc().setFullText(option.getDescription());
        }
        if (!isBlank(option.getDefaultValue())) {
            if ("java.lang.String".equals(type)) {
                prop.getField().setStringInitializer(option.getDefaultValue().toString());
            } else if ("long".equals(type) || "java.lang.Long".equals(type)) {
                // the value should be a Long number
                String value = option.getDefaultValue() + "L";
                prop.getField().setLiteralInitializer(value);
            } else if ("integer".equals(option.getType()) || "java.lang.Integer".equals(option.getJavaType()) || "boolean".equals(option.getType()) || "java.lang.Boolean".equals(option.getJavaType())) {
                prop.getField().setLiteralInitializer(option.getDefaultValue().toString());
            } else if (!isBlank(option.getEnums())) {
                String enumShortName = type.substring(type.lastIndexOf(".") + 1);
                prop.getField().setLiteralInitializer(enumShortName + "." + option.getDefaultValue());
                javaClass.addImport(model.getJavaType());
            }
        }
    }
    String fileName = packageName.replaceAll("\\.", "\\/") + "/" + className + ".java";
    writeSourceIfChanged(javaClass, fileName, true);
}

Example 3 with JavaClass

use of org.apache.camel.tooling.util.srcgen.JavaClass in project camel-spring-boot by apache.

the class SpringBootAutoConfigurationMojo method readJavaType.

// read java type from project, returns null if not found
private JavaClass readJavaType(String type) {
    if (!type.startsWith("java.lang.") && (!type.contains("<") || !type.contains(">"))) {
        String sourceCode = "";
        try {
            Class<?> clazz = getProjectClassLoader().loadClass(type);
            URL url = clazz != null ? getProjectClassLoader().getResource(clazz.getName().replace('.', '/') + ".class") : null;
            Artifact mainDep = project.getArtifactMap().get(getMainDepGroupId() + ":" + getMainDepArtifactId());
            if (url == null || mainDep == null || !url.toString().contains(mainDep.getFile().toURI().toString())) {
                return null;
            }
            JavaClass nestedType = new JavaClass(getProjectClassLoader()).setPackage(clazz.getPackage().getName()).setName(clazz.getSimpleName()).setEnum(clazz.isEnum()).setClass(!clazz.isInterface()).setAbstract((clazz.getModifiers() & Modifier.ABSTRACT) != 0).setStatic((clazz.getModifiers() & Modifier.STATIC) != 0).extendSuperType(clazz.getGenericSuperclass() != null ? new GenericType(clazz.getGenericSuperclass()).toString() : null);
            List<java.lang.reflect.Method> publicMethods = Stream.of(clazz.getDeclaredMethods()).filter(m -> Modifier.isPublic(m.getModifiers())).collect(Collectors.toList());
            List<java.lang.reflect.Method> allSetters = publicMethods.stream().filter(m -> m.getReturnType() == void.class || m.getReturnType() == clazz).filter(m -> m.getParameterCount() == 1).filter(m -> m.getName().matches("set[A-Z][a-zA-Z0-9]*")).collect(Collectors.toList());
            List<java.lang.reflect.Method> allGetters = publicMethods.stream().filter(m -> m.getReturnType() != void.class).filter(m -> m.getParameterCount() == 0).filter(m -> m.getName().matches("(get|is)[A-Z][a-zA-Z0-9]*")).collect(Collectors.toList());
            allSetters.stream().sorted(Comparator.<java.lang.reflect.Method>comparingInt(m -> getSetterPosition(sourceCode, m)).thenComparing(java.lang.reflect.Method::getName)).map(m -> StringUtils.uncapitalize(m.getName().substring(3))).forEach(fn -> {
                Class<?> ft;
                Type wft;
                boolean isBoolean;
                java.lang.reflect.Field field = Stream.of(clazz.getDeclaredFields()).filter(f -> f.getName().equals(fn)).findAny().orElse(null);
                List<java.lang.reflect.Method> setters = allSetters.stream().filter(m -> m.getName().equals("set" + StringUtils.capitalize(fn))).collect(Collectors.toList());
                List<java.lang.reflect.Method> getters = allGetters.stream().filter(m -> m.getName().equals("get" + StringUtils.capitalize(fn)) || m.getName().equals("is" + StringUtils.capitalize(fn))).collect(Collectors.toList());
                java.lang.reflect.Method mutator;
                java.lang.reflect.Method accessor;
                if (setters.size() == 1) {
                    mutator = setters.get(0);
                    ft = mutator.getParameterTypes()[0];
                    wft = PRIMITIVE_CLASSES.getOrDefault(ft, ft);
                    isBoolean = ft == boolean.class || ft == Boolean.class;
                    accessor = allGetters.stream().filter(m -> m.getName().equals("get" + StringUtils.capitalize(fn)) || isBoolean && m.getName().equals("is" + StringUtils.capitalize(fn))).filter(m -> PRIMITIVE_CLASSES.getOrDefault(m.getReturnType(), m.getReturnType()) == wft).findAny().orElse(null);
                } else if (field != null) {
                    ft = field.getType();
                    wft = PRIMITIVE_CLASSES.getOrDefault(ft, ft);
                    isBoolean = ft == boolean.class || ft == Boolean.class;
                    mutator = allSetters.stream().filter(m -> m.getName().equals("set" + StringUtils.capitalize(fn))).filter(m -> PRIMITIVE_CLASSES.getOrDefault(m.getParameterTypes()[0], m.getParameterTypes()[0]) == wft).findAny().orElse(null);
                    accessor = allGetters.stream().filter(m -> m.getName().equals("get" + StringUtils.capitalize(fn)) || isBoolean && m.getName().equals("is" + StringUtils.capitalize(fn))).filter(m -> PRIMITIVE_CLASSES.getOrDefault(m.getReturnType(), m.getReturnType()) == wft).findAny().orElse(null);
                } else {
                    if (getters.size() == 1) {
                        ft = getters.get(0).getReturnType();
                    } else {
                        throw new IllegalStateException("Unable to determine type for property " + fn);
                    }
                    wft = PRIMITIVE_CLASSES.getOrDefault(ft, ft);
                    mutator = setters.stream().filter(m -> PRIMITIVE_CLASSES.getOrDefault(m.getParameterTypes()[0], m.getParameterTypes()[0]) == wft).findAny().orElse(null);
                    accessor = getters.stream().filter(m -> PRIMITIVE_CLASSES.getOrDefault(m.getReturnType(), m.getReturnType()) == wft).findAny().orElse(null);
                }
                if (mutator == null) {
                    throw new IllegalStateException("Could not find mutator for property " + fn);
                }
                Property property = nestedType.addProperty(new GenericType(wft), fn);
                property.getMutator().getJavaDoc().setText(getSetterJavaDoc(sourceCode, fn));
                for (java.lang.annotation.Annotation ann : mutator.getAnnotations()) {
                    addAnnotation(ac -> property.getMutator().addAnnotation(ac), ann);
                }
                if (accessor != null) {
                    for (java.lang.annotation.Annotation ann : accessor.getAnnotations()) {
                        addAnnotation(ac -> property.getAccessor().addAnnotation(ac), ann);
                    }
                } else {
                    property.removeAccessor();
                }
                if (field != null) {
                    for (java.lang.annotation.Annotation ann : field.getAnnotations()) {
                        addAnnotation(ac -> property.getField().addAnnotation(ac), ann);
                    }
                } else {
                    property.removeField();
                }
            });
            return nestedType;
        } catch (ClassNotFoundException e) {
            return null;
        }
    }
    return null;
}

Example 4 with JavaClass

use of org.apache.camel.tooling.util.srcgen.JavaClass in project camel-spring-boot by apache.

the class SpringBootAutoConfigurationMojo method createLanguageConverterSource.

private void createLanguageConverterSource(String packageName, LanguageModel model) throws MojoFailureException {
    final String name = model.getJavaType().substring(model.getJavaType().lastIndexOf(".") + 1).replace("Language", "LanguageConverter");
    // create converter class and write source
    JavaClass javaClass = new JavaClass(getProjectClassLoader());
    javaClass.setPackage(packageName);
    javaClass.setName(name);
    javaClass.getJavaDoc().setFullText("Generated by camel-package-maven-plugin - do not edit this file!");
    javaClass.addAnnotation(Generated.class).setStringValue("value", SpringBootAutoConfigurationMojo.class.getName());
    javaClass.addImport("java.util.LinkedHashSet");
    javaClass.addImport("java.util.Set");
    javaClass.addImport("org.apache.camel.CamelContext");
    javaClass.addImport("org.springframework.core.convert.TypeDescriptor");
    javaClass.addImport("org.springframework.core.convert.converter.GenericConverter");
    javaClass.implementInterface("org.springframework.core.convert.converter.GenericConverter");
    javaClass.addField().setPrivate().setFinal(true).setName("camelContext").setType(loadClass("org.apache.camel.CamelContext"));
    javaClass.addMethod().setConstructor(true).setPublic().setName(name).addParameter("org.apache.camel.CamelContext", "camelContext").setBody("this.camelContext = camelContext;\n");
    String body = createConverterPairBody(model);
    javaClass.addMethod().setName("getConvertibleTypes").setPublic().setReturnType("Set<ConvertiblePair>").setBody(body);
    body = createConvertBody(model);
    javaClass.addMethod().setName("convert").setPublic().setReturnType("Object").addParameter("Object", "source").addParameter("TypeDescriptor", "sourceType").addParameter("TypeDescriptor", "targetType").setBody(body);
    sortImports(javaClass);
    String fileName = packageName.replaceAll("\\.", "\\/") + "/" + name + ".java";
    writeSourceIfChanged(javaClass, fileName, false);
}

Example 5 with JavaClass

use of org.apache.camel.tooling.util.srcgen.JavaClass in project camel-spring-boot by apache.

the class SpringBootAutoConfigurationMojo method createComponentAutoConfigurationSource.

private void createComponentAutoConfigurationSource(String packageName, ComponentModel model, String overrideName, boolean complexOptions) throws MojoFailureException {
    final String name = model.getJavaType().substring(model.getJavaType().lastIndexOf(".") + 1).replace("Component", "ComponentAutoConfiguration");
    final String configurationName = name.replace("ComponentAutoConfiguration", "ComponentConfiguration");
    final String componentName = camelCaseToDash(overrideName != null ? overrideName : model.getScheme()).toLowerCase(Locale.US);
    final Class<?> configClass = generateDummyClass(packageName + "." + configurationName);
    JavaClass javaClass = new JavaClass(getProjectClassLoader());
    javaClass.setPackage(packageName);
    javaClass.setName(name);
    javaClass.getJavaDoc().setFullText("Generated by camel-package-maven-plugin - do not edit this file!");
    javaClass.addAnnotation(Generated.class).setStringValue("value", SpringBootAutoConfigurationMojo.class.getName());
    javaClass.addAnnotation(Configuration.class).setLiteralValue("proxyBeanMethods", "false");
    javaClass.addAnnotation(Conditional.class).setLiteralValue("ConditionalOnCamelContextAndAutoConfigurationBeans.class");
    javaClass.addAnnotation(EnableConfigurationProperties.class).setLiteralValue("{ComponentConfigurationProperties.class," + configurationName + ".class}");
    javaClass.addAnnotation("org.apache.camel.spring.boot.util.ConditionalOnHierarchicalProperties").setStringArrayValue("value", new String[] { "camel.component", "camel.component." + componentName });
    if (complexOptions) {
        String cn = name.replace("ComponentAutoConfiguration", "ComponentConverter");
        javaClass.addAnnotation(AutoConfigureAfter.class).setLiteralValue("{CamelAutoConfiguration.class, " + cn + ".class}");
    } else {
        javaClass.addAnnotation(AutoConfigureAfter.class).setLiteralValue("CamelAutoConfiguration.class");
    }
    javaClass.addImport(ApplicationContext.class);
    javaClass.addImport("org.apache.camel.CamelContext");
    javaClass.addImport("org.apache.camel.Component");
    javaClass.addImport("org.apache.camel.spi.ComponentCustomizer");
    javaClass.addImport("org.apache.camel.spring.boot.CamelAutoConfiguration");
    javaClass.addImport("org.apache.camel.spring.boot.ComponentConfigurationProperties");
    javaClass.addImport("org.apache.camel.spring.boot.util.CamelPropertiesHelper");
    javaClass.addImport("org.apache.camel.spring.boot.util.ConditionalOnCamelContextAndAutoConfigurationBeans");
    javaClass.addImport("org.apache.camel.spring.boot.util.HierarchicalPropertiesEvaluator");
    javaClass.addImport(model.getJavaType());
    javaClass.addField().setPrivate().setName("applicationContext").setType(ApplicationContext.class).addAnnotation(Autowired.class);
    javaClass.addField().setPrivate().setFinal(true).setName("camelContext").setType(loadClass("org.apache.camel.CamelContext"));
    javaClass.addField().setPrivate().setName("configuration").setType(configClass).addAnnotation(Autowired.class);
    Method ctr = javaClass.addMethod().setConstructor(true).setPublic().setName(name).addParameter("org.apache.camel.CamelContext", "camelContext");
    ctr.setBody("this.camelContext = camelContext;\n");
    // add method for auto configure
    String body = createComponentBody(model.getShortJavaType(), componentName);
    String methodName = "configure" + model.getShortJavaType();
    Method method = javaClass.addMethod().setName(methodName).setPublic().setBody(body).setReturnType(loadType("org.apache.camel.spi.ComponentCustomizer"));
    method.addAnnotation(Lazy.class);
    method.addAnnotation(Bean.class);
    sortImports(javaClass);
    String fileName = packageName.replaceAll("\\.", "\\/") + "/" + name + ".java";
    writeSourceIfChanged(javaClass, fileName, false);
}