An EFX translator written in Java.

TED & EU Public Procurement

Last update: Oct 14, 2022

Overview

eForms Expression Language (EFX)

This project uses ANTLR: https://www.antlr.org

ANTLR grammars, see .g4 files

IDE setup

mvn clean install always do this first to ensure everything is OK outside the IDE.

Build and add "target/generated-source/antlr4" to the build path. Rebuild sources after that.

Testing

See unit tests under src/test/java/.

mvn clean install will also run the tests.

After running the unit tests with mvn test, you can generate a coverage report withmvn jacoco:report. The report is available under target/site/jacoco/, in HTML, CSV, and XML format.

Export of artifact into local m2 repo

mvn clean install copies the JAR and pom file to your local maven repository. You can then add the dependency as usual in pom.xml of your project:

    
      eu.europa.ted.eforms
      efx-toolkit-java
      0.1.0

Make sure to update the version number to the latest version available.

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Comments

Feature/tedefo 1539 adapt symbol resolver for codelist parent

Focus only on the second commit (the first one contains a bit of Java code formatting and warning fixes).

See SdkSymbolResolver, SdkField and SdkCodelist. SdkField is most impacted and has a signature change due to changing the method getRootCodelistId to getCodelistId (as we cannot have the root purely through JsonNode field anymore). In the resolver we first get the codelist id from the field info and then we get the parent id from the codelist info via the codelist id (mock data in the EFX toolkit).

The old unit test "EfxTemplateTranslatorTest.java" ensures the EFX label of a code of a tailored codelist works by using "authority-activity" which is a tailored codelist of "main-activity" (this used and still uses mock data).

opened by rouschr 1
Fixed attribute step contextualisation

I discovered this while I was investigating another bug. Apparently we have been doing this wrong all along and we never noticed. Can you verify that my fix renders the proper results. Please look at the modified test cases. Do not merge to develop yet. Only approve or reject or comment please.

opened by rousso 1
Align map get with containsKey

The current implementation leads to a NPE when the ScriptGenerator's composeVariableReference returns a script that is anything other than exactly the variable name.

opened by DeMol-EE 0

Releases(1.2.0)

1.2.0(Oct 31, 2022)
Release Notes

The EFX Toolkit for Java developers is a library that enables the transpilation of EFX expressions and templates to different target languages. It also includes an implementation of an EFX-to-XPath transpiler.

In this release:

We fixed a bug in the XPathScriptGenerator that was causing references to fields of type measure (duration) to throw an exception when multiple values where matched by the reference.

We fixed an issue in the SdkSymbolResolver that was causing some code labels to be resolved incorrectly. The SdkSymbolResolver now correctly looks for the root codelist associated with a field in the codelist metadata provided in the codelists folder, instead of relying on the codelist constraint metadata provided in fields.json.
:warning: CAUTION: If you have implemented your own SymbolResolver make sure that your implementation of getRootCodelistOfField retrieves the parent codelist information from codelists/codelists.json or directly from the .gc files in the codelists folder of the eForms SDK.

We refactored the code to move to the eForms Core Java library some common entity classes that were not specific to EFX (SdkEntityFactory, SdkField, SdkNode, SdkCodelist). We also moved into the EFX Toolkit some reusable classes (SdkSymbolResolver, ComponentFactory) from the eForms Notice Viewer sample application. The result of this refactoring is efx-toolkit-java-1.2.0, eforms-core-java-1.0.0 and eforms-notice-viewer-0.6.0.

You can download the latest EFX Toolkit from Maven Central.

Documentation for the EFX Toolkit is available at: https://docs.ted.europa.eu/eforms/latest/efx-toolkit

This version of the EFX Toolkit has a compile-time dependency on the following versions of eForms SDK versions and uses the EFX grammar that each version provides:

eForms SDK 0.6.x

eForms SDK 0.7.x

eForms SDK 1.x.x

It also depends on the eForms Core Java library version 1.0.0.
Source code(tar.gz)
Source code(zip)
1.1.1(Oct 20, 2022)
EFX Toolkit 1.1.1 Release Notes

The EFX Toolkit for Java developers is a library that enables the transpilation of EFX expressions and templates to different target languages. It also includes an implementation of an EFX-to-XPath transpiler.

In this release:

We fixed a bug that was causing (in some cases) the wrong relative XPath to be calculated for fields that point to XML attributes.

We fixed an issue with variable scoping in EFX Templates.

You can download the latest EFX Toolkit from Maven Central.

Documentation for the EFX Toolkit is available at: https://docs.ted.europa.eu/eforms/latest/efx-toolkit

This version of the EFX Toolkit has a compile-time dependency on the following versions of eForms SDK versions and uses the EFX grammar that each version provides:

eForms SDK 0.6.x

eForms SDK 0.7.x

eForms SDK 1.x.x

It also depends on the eForms Core Java library version 0.1.1.
Source code(tar.gz)
Source code(zip)
1.1.0(Oct 12, 2022)
EFX Toolkit 1.1.0 Release Notes

The EFX Toolkit for Java developers is a library that enables the transpilation of EFX expressions and templates to different target languages. It also includes an implementation of an EFX-to-XPath transpiler.

In this release:

In this release we moved some utility classes to a new java library: eforms-core-java. These utility classes enable the parallel use of multiple major versions of the SDK by applications. We decided to extract this functionality to a new shared library so that it can also be used by applications that do not necessarily need EFX translation.

This release also removes the need to use the "classindex" annotation processor plugin. You can remove the following section from your pom.xml:

<plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <version>${version.compiler.plugin}</version> <configuration> <annotationProcessorPaths> <annotationProcessorPath> <groupId>org.atteo.classindex</groupId> <artifactId>classindex</artifactId> <version>${version.classindex}</version> </annotationProcessorPath> </annotationProcessorPaths> </configuration> </plugin>

You can download the latest EFX Toolkit from Maven Central.

Documentation for the EFX Toolkit is available at: https://docs.ted.europa.eu/eforms/latest/efx-toolkit

This version of the EFX Toolkit has a compile-time dependency on the following versions of eForms SDK versions and uses the EFX grammar that each version provides:

eForms SDK 0.6.x

eForms SDK 0.7.x

eForms SDK 1.x.x

It also depends on the eForms Core Java library version 0.1.0.
Source code(tar.gz)
Source code(zip)
1.0.3(Oct 11, 2022)
EFX Toolkit 1.0.3 Release Notes

The EFX Toolkit for Java developers is a library that enables the transpilation of EFX expressions and templates to different target languages. It also includes an implementation of an EFX-to-XPath transpiler.

In this release:

This patch fixes and issue in the translation of indirect label references (e.g. #{BT-123-Field}). The issue prevented applications from being able to render sequences of labels when the indirect reference returned sequences of values.

You can see how this change can be utilised by applications by looking at the changes released in version 0.4.0 of eforms-notice-viewer, which can now use a sequence of values returned by an indirect label reference to generate a comma separated list of labels.

You can download the latest EFX Toolkit from Maven Central.

Documentation for the EFX Toolkit is available at: https://docs.ted.europa.eu/eforms/latest/efx-toolkit

This version of the EFX Toolkit has a compile-time dependency on the following versions of eForms SDK versions and uses the EFX grammar that each version provides:

eForms SDK 0.6.x

eForms SDK 0.7.x

eForms SDK 1.x.x

Source code(tar.gz)
Source code(zip)
1.0.2(Oct 11, 2022)
EFX Toolkit 1.0.2 Release Notes

The EFX Toolkit for Java developers is a library that enables the transpilation of EFX expressions and templates to different target languages. It also includes an implementation of an EFX-to-XPath transpiler.

In this release:

This patch fixes a bug in the translation of shorthand indirect label references (e.g. #{BT-123-Field}). The bug affected only fields pointing to XML attributes.

You can download the latest EFX Toolkit from Maven Central.

Documentation for the EFX Toolkit is available at: https://docs.ted.europa.eu/eforms/latest/efx-toolkit

This version of the EFX Toolkit has a compile-time dependency on the following versions of eForms SDK versions and uses the EFX grammar that each version provides:

eForms SDK 0.6.x

eForms SDK 0.7.x

eForms SDK 1.x.x

Source code(tar.gz)
Source code(zip)
1.0.1(Sep 23, 2022)
EFX Toolkit 1.0.1 Release Notes

The EFX Toolkit for Java developers is a library that enables the transpilation of EFX expressions and templates to different target languages. It also provides an implementation that turns an EFX expression into XPath.

This patch adds a temporary workaround for basic number formatting. The issue will be addressed properly in the next major release of the SDK.

You can download the latest EFX Toolkit from Maven Central.

Documentation for the EFX Toolkit is available at: https://docs.ted.europa.eu/eforms/latest/efx-toolkit

This version of the EFX Toolkit has a compile-time dependency on the following versions of eForms SDK versions and uses the EFX grammar that each version provides:

eForms SDK 0.6.x

eForms SDK 0.7.x

eForms SDK 1.x.x

Source code(tar.gz)
Source code(zip)
1.0.0(Sep 16, 2022)
EFX Toolkit 1.0.0 Release Notes

The EFX Toolkit for Java developers is a library that enables the transpilation of EFX expressions and templates to different target languages. It also provides an implementation that turns an EFX expression into XPath.

In this release we added an implementation of EFX grammar for SDK 1.x.x.

We also made improvements in the way multiple versions of the SDK can be supported.

You can download the latest EFX Toolkit from Maven Central.

Documentation for the EFX Toolkit is available at: https://docs.ted.europa.eu/eforms/latest/efx-toolkit

This version of the EFX Toolkit has a compile-time dependency on the following versions of eForms SDK versions and uses the EFX grammar that each version provides:

eForms SDK 0.6.x

eForms SDK 0.7.x

eForms SDK 1.x.x

Source code(tar.gz)
Source code(zip)
0.2.0(Jul 12, 2022)
EFX Toolkit 0.2.0 Release Notes

The EFX Toolkit for Java developers is a library that enables the transpilation of EFX expressions and templates to different target languages. It also provides an implementation that turns an EFX expression into XPath.

In this release we added support for the new EFX language features that were introduced with eForms SDK 0.7.0.

We also reorganized the code of the toolkit so that it can function with multiple versions of the SDK. You can use our approach as an example on how you can handle several incompatible versions of the SDK from one application that needs to read them.

You can download the latest EFX Toolkit from Maven Central.

Documentation for the EFX Toolkit is available at: https://docs.ted.europa.eu/eforms/latest/efx-toolkit

This version of the EFX Toolkit has a compile-time dependency on the following versions of eForms SDK versions and uses the EFX grammar that each version provides:

eForms SDK 0.6.x

eForms SDK 0.7.x

Source code(tar.gz)
Source code(zip)
0.1.1(May 20, 2022)

EFX Toolkit 0.1.1 Release Notes

EFX Toolkit 0.1.1 fixes an issue that we overlooked with 0.1.0 that was preventing us from publishing the EFX Toolkit to Maven Central.

You can download the latest EFX Toolkit from Maven Central.
Source code(tar.gz)
Source code(zip)
0.1.0(May 20, 2022)

EFX Toolkit 0.1.0 Release Notes

This is the first release of the EFX toolkit, a Java library for the eForms Expression Language (EFX)

The EFX Toolkit for Java developers is a library that enables the transpilation of EFX expressions and templates to different target languages. It also provides an implementation that turns an EFX expression into XPath.

The documentation is available at: https://docs.ted.europa.eu/eforms/latest/efx-toolkit

This version depends on the eForms SDK version 0.6.2, and uses the EFX grammar that it provides.
Source code(tar.gz)
Source code(zip)