Java Grails上的NoClassDefFoundError GANT脚本_Java_Grails_Groovy_Classpath_Gant

Java Grails上的NoClassDefFoundError GANT脚本

java grails groovy

Java Grails上的NoClassDefFoundError GANT脚本,java,grails,groovy,classpath,gant,Java,Grails,Groovy,Classpath,Gant,我正在尝试在我的Grails插件之前构建一些GANT脚本。基本上，我想用新类扩展DefaultGrailTemplateGenerator类，该类添加了新方法，通过Grails模板方案自动生成服务类假设我用服务生成器命名我的类，它扩展了RailsTemplateGenerator和add generateService方法 import org.codehaus.groovy.grails.scaffolding.DefaultGrailsTemplateGenerator; class

我正在尝试在我的Grails插件之前构建一些GANT脚本。基本上，我想用新类扩展DefaultGrailTemplateGenerator类，该类添加了新方法，通过Grails模板方案自动生成服务类

假设我用服务生成器命名我的类，它扩展了RailsTemplateGenerator和add generateService方法

import org.codehaus.groovy.grails.scaffolding.DefaultGrailsTemplateGenerator;

class ServiceGenerator extends DefaultGrailsTemplateGenerator {
        void generateService(GrailsDomainClass domainClass, String destdir) {
        }
}

所有事情都正常进行（例如调用了甘特脚本），除了我实例化ServiceGeneratorClass的一行代码外，它返回错误：

Error Error executing script GenerateService: com.cygnus.grails.util.scaffolding.ServiceGenerator
java.lang.NoClassDefFoundError: com.cygnus.grails.util.scaffolding.ServiceGenerator
    at GenerateExt_groovy.class$(GenerateExt_groovy)
    at GenerateExt_groovy.$get$$class$com$cygnus$grails$util$scaffolding$ServiceGenerator(GenerateExt_groovy)
    at GenerateExt_groovy.generateForDomainClass(GenerateExt_groovy:81)

我尝试浏览此错误，并尝试通过更改以下语法来调用该类：

def templateGenerator = new ServiceGenerator(classLoader)

致：

我仍然发现java.lang.NoClassDefFoundError。我还是不明白为什么会发生这种事。有人能帮我吗

我附加调用服务生成器的甘特脚本

/**
 * Gant Script for generating Service Class based on Artifact
 * This Script was used for auto generate service class which is needed to handle basic transactional statements such as:
 * - AuditTrail for tables
 * - Logging before insert / update on tables
 */
includeTargets << grailsScript("_GrailsCreateArtifacts")
includeTargets << new File("${myPluginPluginDir}/scripts/GenerateExt.groovy")



target ('main': "Generates the CRUD service for a specified domain class") {
    depends(checkVersion, parseArguments, packageApp,classpath,configureProxy, 
            loadApp, configureApp, compile)

    promptForName(type: "Domain Class")
    generateViews = false
    generateForName = argsMap["params"][0]
    generateForOne()
}
setDefaultTarget(main)

/**
*基于工件生成服务类的甘特脚本
*此脚本用于自动生成服务类，该类需要处理基本事务语句，例如：
*-表的审核跟踪
*-在表上插入/更新之前进行日志记录
*/
includeTargets我终于完成了
这是您想要做的一个示例：
这是我的实现：
*将$userInterfacePluginDir更改为您的插件名称
将此文件放入脚本中：
GenerateService.groovy
includeTargets << grailsScript("_GrailsInit")
includeTargets << grailsScript("_GrailsCreateArtifacts")
includeTargets << new File("$userInterfacePluginDir/scripts/_GrailsGenerateService.groovy")

target ('default': "Generates the service for a specified domain class") {
depends(checkVersion, parseArguments, packageApp)
promptForName(type: "Domain Class")
generateForName = argsMap["params"][0]
generateServiceForOne()
}

import org.codehaus.groovy.grails.commons.GrailsDomainClass;
import org.codehaus.groovy.grails.scaffolding.*
import org.springframework.core.io.AbstractResource;
import org.springframework.core.io.FileSystemResource;
import grails.util.GrailsNameUtils

/**
 * Gant script that generates a service for a given domain class
 *
 * @author Martín Caballero
 *
 */

includeTargets << grailsScript("_GrailsBootstrap")

generateForName = null

target(generateServiceForOne: "Generates service for only one domain class.") {
    depends(loadApp)

    def name = generateForName
    name = name.indexOf('.') > 0 ? name : GrailsNameUtils.getClassNameRepresentation(name)
    def domainClass = grailsApp.getDomainClass(name)

    if (!domainClass) {
        grailsConsole.updateStatus "Domain class not found in grails-app/domain, trying hibernate mapped classes..."
        bootstrap()
        domainClass = grailsApp.getDomainClass(name)
    }

    if (domainClass) {
        generateServiceForDomainClass(domainClass)
        event("StatusFinal", ["Finished generation for domain class ${domainClass.fullName}"])
    }
    else {
        event("StatusFinal", ["No domain class found for name ${name}. Please try again and enter a valid domain class name"])
        exit(1)
    }
}

def generateServiceForDomainClass(domainClass) {
    UserInterfaceTemplateGenerator = classLoader.loadClass('plugin.ui.scaffold.UserInterfaceTemplateGenerator')
    def templateGenerator = UserInterfaceTemplateGenerator.newInstance(classLoader)
    templateGenerator.grailsApplication = grailsApp
    templateGenerator.pluginManager = pluginManager

    event("StatusUpdate", ["Generating service for domain class ${domainClass.fullName}"])
    templateGenerator.generateService(domainClass, basedir)
    event("GenerateServiceEnd", [domainClass.fullName])
}

<%import org.codehaus.groovy.grails.commons.GrailsClassUtils;%>
<%=packageName ? "package ${packageName}\n\n" : ''%>
class ${className}Service {

    def getTable() {
        def query = {
            <%
                def searchFields = GrailsClassUtils.getStaticPropertyValue(domainClass.clazz, 'search' )
                if(searchFields)
                {
            %>
                    if (params.q) {
                        or{
                        <%searchFields.each { field ->%>
                            ilike("${field}", '%' + params.q + '%')
                        <%}%>
                        }
                    }
            <%  }   %>
            if (params.sort){
                order(params.sort,params.order)
            }
        }
        def criteria = ${className}.createCriteria()
        return criteria.list(query, max: params.max, offset: params.offset)
    }
}

最后，这是我的模板：（将其放入src/templates/scaffolding/）
Service.groovy
includeTargets << grailsScript("_GrailsInit")
includeTargets << grailsScript("_GrailsCreateArtifacts")
includeTargets << new File("$userInterfacePluginDir/scripts/_GrailsGenerateService.groovy")

target ('default': "Generates the service for a specified domain class") {
depends(checkVersion, parseArguments, packageApp)
promptForName(type: "Domain Class")
generateForName = argsMap["params"][0]
generateServiceForOne()
}

import org.codehaus.groovy.grails.commons.GrailsDomainClass;
import org.codehaus.groovy.grails.scaffolding.*
import org.springframework.core.io.AbstractResource;
import org.springframework.core.io.FileSystemResource;
import grails.util.GrailsNameUtils

/**
 * Gant script that generates a service for a given domain class
 *
 * @author Martín Caballero
 *
 */

includeTargets << grailsScript("_GrailsBootstrap")

generateForName = null

target(generateServiceForOne: "Generates service for only one domain class.") {
    depends(loadApp)

    def name = generateForName
    name = name.indexOf('.') > 0 ? name : GrailsNameUtils.getClassNameRepresentation(name)
    def domainClass = grailsApp.getDomainClass(name)

    if (!domainClass) {
        grailsConsole.updateStatus "Domain class not found in grails-app/domain, trying hibernate mapped classes..."
        bootstrap()
        domainClass = grailsApp.getDomainClass(name)
    }

    if (domainClass) {
        generateServiceForDomainClass(domainClass)
        event("StatusFinal", ["Finished generation for domain class ${domainClass.fullName}"])
    }
    else {
        event("StatusFinal", ["No domain class found for name ${name}. Please try again and enter a valid domain class name"])
        exit(1)
    }
}

def generateServiceForDomainClass(domainClass) {
    UserInterfaceTemplateGenerator = classLoader.loadClass('plugin.ui.scaffold.UserInterfaceTemplateGenerator')
    def templateGenerator = UserInterfaceTemplateGenerator.newInstance(classLoader)
    templateGenerator.grailsApplication = grailsApp
    templateGenerator.pluginManager = pluginManager

    event("StatusUpdate", ["Generating service for domain class ${domainClass.fullName}"])
    templateGenerator.generateService(domainClass, basedir)
    event("GenerateServiceEnd", [domainClass.fullName])
}

<%import org.codehaus.groovy.grails.commons.GrailsClassUtils;%>
<%=packageName ? "package ${packageName}\n\n" : ''%>
class ${className}Service {

    def getTable() {
        def query = {
            <%
                def searchFields = GrailsClassUtils.getStaticPropertyValue(domainClass.clazz, 'search' )
                if(searchFields)
                {
            %>
                    if (params.q) {
                        or{
                        <%searchFields.each { field ->%>
                            ilike("${field}", '%' + params.q + '%')
                        <%}%>
                        }
                    }
            <%  }   %>
            if (params.sort){
                order(params.sort,params.order)
            }
        }
        def criteria = ${className}.createCriteria()
        return criteria.list(query, max: params.max, offset: params.offset)
    }
}

我终于完成了
这是您想要做的一个示例：
这是我的实现：
*将$userInterfacePluginDir更改为您的插件名称
将此文件放入脚本中：
GenerateService.groovy
includeTargets << grailsScript("_GrailsInit")
includeTargets << grailsScript("_GrailsCreateArtifacts")
includeTargets << new File("$userInterfacePluginDir/scripts/_GrailsGenerateService.groovy")

target ('default': "Generates the service for a specified domain class") {
depends(checkVersion, parseArguments, packageApp)
promptForName(type: "Domain Class")
generateForName = argsMap["params"][0]
generateServiceForOne()
}

import org.codehaus.groovy.grails.commons.GrailsDomainClass;
import org.codehaus.groovy.grails.scaffolding.*
import org.springframework.core.io.AbstractResource;
import org.springframework.core.io.FileSystemResource;
import grails.util.GrailsNameUtils

/**
 * Gant script that generates a service for a given domain class
 *
 * @author Martín Caballero
 *
 */

includeTargets << grailsScript("_GrailsBootstrap")

generateForName = null

target(generateServiceForOne: "Generates service for only one domain class.") {
    depends(loadApp)

    def name = generateForName
    name = name.indexOf('.') > 0 ? name : GrailsNameUtils.getClassNameRepresentation(name)
    def domainClass = grailsApp.getDomainClass(name)

    if (!domainClass) {
        grailsConsole.updateStatus "Domain class not found in grails-app/domain, trying hibernate mapped classes..."
        bootstrap()
        domainClass = grailsApp.getDomainClass(name)
    }

    if (domainClass) {
        generateServiceForDomainClass(domainClass)
        event("StatusFinal", ["Finished generation for domain class ${domainClass.fullName}"])
    }
    else {
        event("StatusFinal", ["No domain class found for name ${name}. Please try again and enter a valid domain class name"])
        exit(1)
    }
}

def generateServiceForDomainClass(domainClass) {
    UserInterfaceTemplateGenerator = classLoader.loadClass('plugin.ui.scaffold.UserInterfaceTemplateGenerator')
    def templateGenerator = UserInterfaceTemplateGenerator.newInstance(classLoader)
    templateGenerator.grailsApplication = grailsApp
    templateGenerator.pluginManager = pluginManager

    event("StatusUpdate", ["Generating service for domain class ${domainClass.fullName}"])
    templateGenerator.generateService(domainClass, basedir)
    event("GenerateServiceEnd", [domainClass.fullName])
}

<%import org.codehaus.groovy.grails.commons.GrailsClassUtils;%>
<%=packageName ? "package ${packageName}\n\n" : ''%>
class ${className}Service {

    def getTable() {
        def query = {
            <%
                def searchFields = GrailsClassUtils.getStaticPropertyValue(domainClass.clazz, 'search' )
                if(searchFields)
                {
            %>
                    if (params.q) {
                        or{
                        <%searchFields.each { field ->%>
                            ilike("${field}", '%' + params.q + '%')
                        <%}%>
                        }
                    }
            <%  }   %>
            if (params.sort){
                order(params.sort,params.order)
            }
        }
        def criteria = ${className}.createCriteria()
        return criteria.list(query, max: params.max, offset: params.offset)
    }
}

最后，这是我的模板：（将其放入src/templates/scaffolding/）
Service.groovy
includeTargets << grailsScript("_GrailsInit")
includeTargets << grailsScript("_GrailsCreateArtifacts")
includeTargets << new File("$userInterfacePluginDir/scripts/_GrailsGenerateService.groovy")

target ('default': "Generates the service for a specified domain class") {
depends(checkVersion, parseArguments, packageApp)
promptForName(type: "Domain Class")
generateForName = argsMap["params"][0]
generateServiceForOne()
}

import org.codehaus.groovy.grails.commons.GrailsDomainClass;
import org.codehaus.groovy.grails.scaffolding.*
import org.springframework.core.io.AbstractResource;
import org.springframework.core.io.FileSystemResource;
import grails.util.GrailsNameUtils

/**
 * Gant script that generates a service for a given domain class
 *
 * @author Martín Caballero
 *
 */

includeTargets << grailsScript("_GrailsBootstrap")

generateForName = null

target(generateServiceForOne: "Generates service for only one domain class.") {
    depends(loadApp)

    def name = generateForName
    name = name.indexOf('.') > 0 ? name : GrailsNameUtils.getClassNameRepresentation(name)
    def domainClass = grailsApp.getDomainClass(name)

    if (!domainClass) {
        grailsConsole.updateStatus "Domain class not found in grails-app/domain, trying hibernate mapped classes..."
        bootstrap()
        domainClass = grailsApp.getDomainClass(name)
    }

    if (domainClass) {
        generateServiceForDomainClass(domainClass)
        event("StatusFinal", ["Finished generation for domain class ${domainClass.fullName}"])
    }
    else {
        event("StatusFinal", ["No domain class found for name ${name}. Please try again and enter a valid domain class name"])
        exit(1)
    }
}

def generateServiceForDomainClass(domainClass) {
    UserInterfaceTemplateGenerator = classLoader.loadClass('plugin.ui.scaffold.UserInterfaceTemplateGenerator')
    def templateGenerator = UserInterfaceTemplateGenerator.newInstance(classLoader)
    templateGenerator.grailsApplication = grailsApp
    templateGenerator.pluginManager = pluginManager

    event("StatusUpdate", ["Generating service for domain class ${domainClass.fullName}"])
    templateGenerator.generateService(domainClass, basedir)
    event("GenerateServiceEnd", [domainClass.fullName])
}

<%import org.codehaus.groovy.grails.commons.GrailsClassUtils;%>
<%=packageName ? "package ${packageName}\n\n" : ''%>
class ${className}Service {

    def getTable() {
        def query = {
            <%
                def searchFields = GrailsClassUtils.getStaticPropertyValue(domainClass.clazz, 'search' )
                if(searchFields)
                {
            %>
                    if (params.q) {
                        or{
                        <%searchFields.each { field ->%>
                            ilike("${field}", '%' + params.q + '%')
                        <%}%>
                        }
                    }
            <%  }   %>
            if (params.sort){
                order(params.sort,params.order)
            }
        }
        def criteria = ${className}.createCriteria()
        return criteria.list(query, max: params.max, offset: params.offset)
    }
}

我也在努力解决同样的问题。我认为这是一条路要走，但我还没有时间去尝试：我正在与同样的问题作斗争。我认为这是一条路，但我还没有时间去尝试：我会尽快尝试，并通知你。谢谢你的回复和努力：-）它对我有用。为了重构一些东西，我对此做了一些修改，但代码很好。您可以按自己喜欢的方式更改服务模板。我的脚本现在接受一个插件参数，用于在指定的插件中生成服务（用于插件中的模块化应用）。我还为此在Jira中提交了一个补丁：我将尽快尝试，并会通知您。谢谢你的回复和努力：-）它对我有用。为了重构一些东西，我对此做了一些修改，但代码很好。您可以按自己喜欢的方式更改服务模板。我的脚本现在接受一个plugin参数，用于在指定的插件中生成服务（用于插件中的模块化应用）。我还为此在Jira中提交了一个补丁：