OBSOLETE!!!: ENI (3) Generating java classes from multiple schemas

0. Introduction (NOTE This is obsolete. see https://dantesquews.blogspot.com/2019/07/eni-1-eni-document-or-spanish.html)

The purpose of this post is to convert a XAdES internally detached signed document to an ENI document.

The signed document contains content and signature, but ENI document has also metadata. But the schema of a XAdES document is not the same as the ENI.

I am using Gexflow from Teralco, and the metadata are stored in a database.

So it is necessary a conversion.

Several schemas are needed:


  1. documentoEni.xsd
  2. contenidoDocumentoEni.xsd
  3. metadatosDocumentoEni.xsd
  4. firmasEni.xsd
  5. xmldsig-core-schema.xsd
  6. XAdES.xsd

1. Configuring the maven project

Here is the pom.xml file with the needed resources:


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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>org.ximodante</groupId>
  <artifactId>Alfresco01</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <name>Alfresco01</name>
  <description>Alfresco01</description>
  
  <properties>
    <cxf.version>3.3.2</cxf.version>           <!-- 3.2.6 antes -->
    <!-- jax.version>2.3.0</jax.version-->           <!-- 2.3.0 antes -->
    <jaxb-imp.version>2.3.2</jaxb-imp.version>
    <jaxb-core.version>2.3.0.1</jaxb-core.version>
    <lombok.version>1.18.8</lombok.version>    <!-- 1.18.4 antes -->
    <jackson.version>2.9.9</jackson.version>   <!-- 2.9.6 antes -->
    <h2.version>1.4.196</h2.version>
    <hibernate.version>5.4.3.Final</hibernate.version>  <!-- antes  5.2.16.Final -->
    <poi.version>4.0.1</poi.version>
    
        
    <failOnMissingWebXml>false</failOnMissingWebXml>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <!-- Java version-->
    <java.version>10</java.version>
  </properties> 
  
  
  <dependencies>
    
    <!-- https://mvnrepository.com/artifact/org.apache.chemistry.opencmis/chemistry-opencmis-client-impl -->
    <dependency>
      <groupId>org.apache.chemistry.opencmis</groupId>
      <artifactId>chemistry-opencmis-client-impl</artifactId>
      <version>1.1.0</version>
    </dependency>
   
    <!-- https://mvnrepository.com/artifact/commons-io/commons-io -->
    <dependency>
      <groupId>commons-io</groupId>
      <artifactId>commons-io</artifactId>
      <version>2.6</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/org.projectlombok/lombok -->
    <dependency>
      <groupId>org.projectlombok</groupId>
      <artifactId>lombok</artifactId>
      <version>${lombok.version}</version>
      <scope>provided</scope>
    </dependency>
    
    <!-- https://mvnrepository.com/artifact/org.postgresql/postgresql -->
    <dependency>
      <groupId>org.postgresql</groupId>
      <artifactId>postgresql</artifactId>
      <version>42.2.6</version> <!-- antes 42.1.4-->
    </dependency>  
  
    <!-- JPA 2.1 Provider -->
    <!-- https://mvnrepository.com/artifact/org.hibernate/hibernate-core -->
    <dependency>
      <groupId>org.hibernate</groupId>
      <artifactId>hibernate-core</artifactId>
      <version>${hibernate.version}</version>
    </dependency>
    
    
       
    <!-- 2018-03-26 Jackson Dataformat XML -->
    <dependency>
      <groupId>com.fasterxml.jackson.dataformat</groupId>
      <artifactId>jackson-dataformat-xml</artifactId>
      <version>${jackson.version}</version>
    </dependency>
    
    <!--See https://github.com/FasterXML/jackson-dataformat-xml for details  -->
    <dependency>
      <groupId>com.fasterxml.woodstox</groupId>
      <artifactId>woodstox-core</artifactId>
      <version>5.1.0</version>
    </dependency>
    
    <!--  Apache commons string utils .. -->
    <!-- https://mvnrepository.com/artifact/org.apache.commons/commons-lang3 -->
    <dependency>
      <groupId>org.apache.commons</groupId>
      <artifactId>commons-lang3</artifactId>
      <version>3.7</version>
    </dependency>
    
    <!-- Apache commons bean utils-->
    <!-- https://mvnrepository.com/artifact/commons-beanutils/commons-beanutils -->
    <dependency>
      <groupId>commons-beanutils</groupId>
      <artifactId>commons-beanutils</artifactId>
      <version>1.9.3</version>
    </dependency>
    
    
     <!--BEGIN Java 9 references to JEE  not included in JDK9-->
    <!-- see http://openjdk.java.net/jeps/320-->
    
    <!-- https://mvnrepository.com/artifact/com.sun.xml.bind/jaxb-impl -->
    <dependency>
      <groupId>com.sun.xml.bind</groupId>
      <artifactId>jaxb-impl</artifactId>
      <!-- version>${jax.version}</version -->
      <version>${jaxb-imp.version}</version>
    </dependency>
        
    <!-- https://mvnrepository.com/artifact/com.sun.xml.bind/jaxb-core -->
    
    <dependency>
      <groupId>com.sun.xml.bind</groupId>
      <artifactId>jaxb-core</artifactId>
      <!-- <version>${jax.version}</version> -->
      <version>${jaxb-core.version}</version>
    </dependency>
    
    <!-- PROVES -->
    <!-- https://mvnrepository.com/artifact/com.sun.xml.bind/jaxb-xjc -->
 <dependency>
     <groupId>com.sun.xml.bind</groupId>
     <artifactId>jaxb-xjc</artifactId>
     <version>2.3.2</version>
 </dependency>

 <!-- https://mvnrepository.com/artifact/org.eclipse.persistence/org.eclipse.persistence.moxy -->
 <dependency>
     <groupId>org.eclipse.persistence</groupId>
     <artifactId>org.eclipse.persistence.moxy</artifactId>
     <version>2.7.4</version>
 </dependency>
    <!-- FI PROVES -->
    
    
    
    <dependency>
      <groupId>com.sun.activation</groupId>
      <artifactId>javax.activation</artifactId>
      <version>1.2.0</version>
    </dependency>
    
    <dependency>
      <groupId>com.sun.xml.ws</groupId>
      <artifactId>jaxws-ri</artifactId>
      <!-- version>${jax.version}</version -->
      <version>${jaxb-imp.version}</version>
      <type>pom</type>
    </dependency>
        
    <dependency>
      <groupId>com.sun.xml.bind</groupId>
      <artifactId>jaxb-ri</artifactId>
      <!-- version>${jax.version}</version -->
      <version>${jaxb-imp.version}</version>
      <type>pom</type>
    </dependency>
    
    <!-- End of Dependencies required for JAVA 9!!!! -->
    
    <!-- WS DEPENDENCIES -->
    <dependency>
        <groupId>org.apache.cxf</groupId>
        <artifactId>cxf-rt-frontend-jaxws</artifactId>
        <version>${cxf.version}</version>
    </dependency>
    <dependency>
        <groupId>org.apache.cxf</groupId>
        <artifactId>cxf-rt-transports-http</artifactId>
        <version>${cxf.version}</version>
    </dependency>
        <!-- Jetty is needed if you're are not using the CXFServlet -->
    <dependency>
        <groupId>org.apache.cxf</groupId>
        <artifactId>cxf-rt-transports-http-jetty</artifactId>
        <version>${cxf.version}</version>
    </dependency>
    
  </dependencies>
</project>

The most important dependencies are related to "fasterxml" (lines 70-81) and "jaxb" (lines 103-119)


2. Generating java classes from the schemas with Eclipse


Eclipse is used.

Let's copy these files to the resources folder.

We are using only documentoEni.xsd, xmldsig-core-schema.xsd and XAdES.xsd for generating the java classes.

Right-click on one of them and select "Generate" then "JAXB Classes", select a folder for the output. Use a different folder for each schema although some classes are repeated.


I have used 3 packages to store the generated classes. I have also made a copy as these classes should be edited



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