创建带有“信封”的 groovy xml - 在 xml 结构中间添加节点

发布于 2024-08-13 22:44:29 字数 572 浏览 5 评论 0原文

（抱歉这个奇怪的标题...）

我想使用 groovy 构建器系统来创建一个 xml。

我的问题是我想要某种信封，用户不必关心。

一个例子：

def builder = new groovy.xml.MarkupBuilder()
builder.foo() {
     bar('hello')
}

这应该创建让我们说

<Something id:'123'>
    <AnyInfo>
        <foo>
            <bar>hello</bar>
        </foo>
    </AnyInfo>
</Something>

后台有一个 xml 结构，用户可以在其中的预定义节点（在示例“AnyInfo”中）添加他的 xml 结构

构建器必须是什么样子，我可以使用标记构建器（或任何其他构建器）在信封中间的某个位置添加节点吗？

我希望这是可以理解的？！

谢谢马蒂

原文

(sorry for the weird title...)

I want to use the groovy builder system to create a xml.

My problem is that i want to have some kind of envelop around, which the user dont has to care about.

An example:

def builder = new groovy.xml.MarkupBuilder()
builder.foo() {
     bar('hello')
}

this should create lets say

<Something id:'123'>
    <AnyInfo>
        <foo>
            <bar>hello</bar>
        </foo>
    </AnyInfo>
</Something>

so that there is a xml structure in the background in which the user can add his xml structure at a predefined node (in the example 'AnyInfo')

How does the builder has to look like, that I can add nodes with the markupbuilder (or any other builder) somewhere in the middle of the envelop ?

I hope this was somehow understandable ?!

THANKS
Marty

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清风挽心 2024-08-20 22:44:29

您可以使用闭包轻松地做到这一点。创建一个闭包来创建包装器。然后，您可以动态地提交创建实际内容的闭包。示例：

def writer = new StringWriter()
def builder = new groovy.xml.MarkupBuilder(writer)

def createWrapper = {Closure c->
    builder.Something(id:123) {
        AnyInfo() {
            c()
        }
    }
}

createWrapper {
    builder.foo() {
        bar('hello')
    }
}

println writer.toString()

由此创建的结果是您正在寻找的示例 XML。

You can do this easily with closures. Create a closure to create the wrapper. You can then dynamically hand in your closure that creates the actual content. Example:

def writer = new StringWriter()
def builder = new groovy.xml.MarkupBuilder(writer)

def createWrapper = {Closure c->
    builder.Something(id:123) {
        AnyInfo() {
            c()
        }
    }
}

createWrapper {
    builder.foo() {
        bar('hello')
    }
}

println writer.toString()

The result created by this is the sample XML you were looking for.

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