使用 org.eclipse.xsd 和 Maven2 分析 XML 模式

发布于 2024-07-13 15:03:13 字数 1899 浏览 3 评论 0 原文

我正在尝试将示例代码实现为这篇文章来自 2002 年（我知道..），但无法加载架构。

import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
import org.eclipse.xsd.util.XSDResourceImpl;

    ResourceSet resourceSet = new ResourceSetImpl();
    // I replaced the deprecated createDeviceURI with createURI as recommended in JavaDoc
    XSDResourceImpl xsdSchemaResource = 
        (XSDResourceImpl)resourceSet.getResource(URI.createURI("my.xsd"), true);

我正在使用以下 Maven2 依赖项：

<dependency>
    <groupId>org.eclipse.xsd</groupId>
    <artifactId>xsd</artifactId>
    <version>2.1.1</version>
</dependency>
<dependency>
    <groupId>org.eclipse.emf</groupId>
    <artifactId>ecore</artifactId>
    <version>2.1.0</version>
</dependency>
<dependency>
    <groupId>org.eclipse.emf</groupId>
    <artifactId>common</artifactId>
    <version>2.1.0</version>
</dependency>

代码编译得很好，但在执行时产生 RuntimeException：

java.lang.RuntimeException: 
    Cannot create a resource for 'my.xsd'; a registered resource factory is needed
    at org.eclipse.emf.ecore.resource.impl.ResourceSetImpl.getResource(ResourceSetImpl.java:346)

我在 org.eclipse.emf.ecore.xmi 中找到了一些资源工厂实现，但据我所知，只有一个 xmi 快照在公共 Maven 存储库中，它依赖于 org.eclipse.core.runtime.. 这不是我想要的。

有人可以帮忙吗？

原文

I'm trying to implement the sample code to this article from 2002 (I know..), but cannot get the schema to load.

import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
import org.eclipse.xsd.util.XSDResourceImpl;

    ResourceSet resourceSet = new ResourceSetImpl();
    // I replaced the deprecated createDeviceURI with createURI as recommended in JavaDoc
    XSDResourceImpl xsdSchemaResource = 
        (XSDResourceImpl)resourceSet.getResource(URI.createURI("my.xsd"), true);

I'm using the following Maven2 dependencies:

<dependency>
    <groupId>org.eclipse.xsd</groupId>
    <artifactId>xsd</artifactId>
    <version>2.1.1</version>
</dependency>
<dependency>
    <groupId>org.eclipse.emf</groupId>
    <artifactId>ecore</artifactId>
    <version>2.1.0</version>
</dependency>
<dependency>
    <groupId>org.eclipse.emf</groupId>
    <artifactId>common</artifactId>
    <version>2.1.0</version>
</dependency>

The code compiles just fine, but produces a RuntimeException at execution time:

java.lang.RuntimeException: 
    Cannot create a resource for 'my.xsd'; a registered resource factory is needed
    at org.eclipse.emf.ecore.resource.impl.ResourceSetImpl.getResource(ResourceSetImpl.java:346)

I found some resource factory implementations in org.eclipse.emf.ecore.xmi, but AFAIK there's only a xmi snapshot in the public Maven repo, which has a dependency on org.eclipse.core.runtime.. which is not what I want.

Can anyone help?

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你没皮卡萌 2024-07-20 15:03:13

尝试在创建 ResourceSetImpl 之前添加此代码：

import org.eclipse.xsd.util.XSDResourceFactoryImpl;

Resource.Factory.Registry reg = Resource.Factory.Registry.INSTANCE;
java.util.Map m = reg.getExtensionToFactoryMap();
m.put("xsd", new XSDResourceFactoryImpl());

这应该创建完成您想要做的事情所需的注册表和工厂。

Try adding this code before creating your ResourceSetImpl:

import org.eclipse.xsd.util.XSDResourceFactoryImpl;

Resource.Factory.Registry reg = Resource.Factory.Registry.INSTANCE;
java.util.Map m = reg.getExtensionToFactoryMap();
m.put("xsd", new XSDResourceFactoryImpl());

That should create the registry and factory that you need to accomplish what you are trying to do.

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