Annotated beans source generation with maven plugin
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Key: SOLR-1888
URL: https://issues.apache.org/jira/browse/SOLR-1888
Project: Solr
Issue Type: New Feature
Components: clients - java
Affects Versions: 1.5
Environment: java, maven
Reporter: Matthias Epheser
Fix For: 1.5
As I stumbled over a lot of copy pasting while creating java annotated beans
representing a schema.xml, i decided to make a shortcut and create a maven
plugin.
Think about it as source generation similar to castor/jaxb code generation from
an xsd. You just point to a schema.xml and connect to the generate-sources
phase. This leads to a java bean in target/generated-sources/solr that contains
all fields from the schema well annotated.
The mapping reads the <fields> section and maps field="string" to
solr.StringField to java.lang String etc. Multivalured fields generate lists,
dynamic fields Maps. Currently the code generation is plain simple, just a
fileWriter with some intends. The getValidJavaName(String name) may act more
professional than now.
Just install the plugin contained in the zip using mvn install and connect it
to an existing solrj project:
{{
<plugin>
<groupId>org.apache.solr</groupId>
<artifactId>maven-solr-plugin</artifactId>
<configuration>
<schemaFile>test-data/solr/conf/schema.xml</schemaFile>
<qualifiedName>org.test.MyBean</qualifiedName>
</configuration>
<executions>
<execution>
<phase>generate-sources</phase>
<goals>
<goal>generate</goal>
</goals>
</execution>
</executions>
</plugin>
}}
The generated fiels will be automatically added to the classpath after the
first run of mvn generate/compile. So just execute mvn eclipse:eclipse once
after that. After every change in the schema, generate again and your bean will
be updated and fields and getters and setters will be present.
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