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## Using the Ant task for the Castor XML Code Generator Documentation Author(s): Keith Visco Arnaud Blandin API Reference: The Source Builder API Castor source generator Ant task Specifying the source for generation Parameters Examples Using a file Using an URL Using a nested <fileset> ## Castor source generator Ant task An alternative to using the command line as shown in the previous section, the Castor Source Generator Ant Task can be used to call the source generator for class generation. The only requirement is that the castor-<version>-codegen-antask.jar must be on the CLASSPATH. ### Specifying the source for generation As shown in the subsequent table, there's multiple ways of specifying the input for the Castor code generator. At least one input source has to be specified.
Attribute | Description | Required | Since
file | The XML schema, to be used as input for the source code generator. | No. | -
dir | Sets a directory such that all XML schemas in this directory will have code generated for them. | No | -
schemaURL | URL to an XML schema, to be used as input for the source code generator. | No. | 1.2
In addition, a nested <fileset> can be specified as the source of input. Please refer to the samples shown below. ### Parameters Please find below the complete list of parameters that can be set on the Castor source generator to fine-tune the execution behavior.
Attribute | Description | Required | Since
package | The default package to be used during source code generation. | No; if not given, all classes will be placed in the root package. | -
todir | The destination directory to be used during source code generation. In this directory all generated Java classes will be placed. | No | -
bindingfile | A Castor source generator binding file, as detailed here. | No | -
lineseparator | Defines whether to use Unix- or Windows- or Mac-style line separators during source code generation. Possible values are: 'unix', 'win' or 'mac'. | No; if not set, system property 'line.separator' is used instead. | -
types | Defines what collection types to use (Java 1 vs. Java 2). Possible values: 'vector', 'arraylist' (aka 'j2') or 'odmg'. | No; if not set, the default collection used will be Java 1 type | -
verbose | Whether to output any logging messages as emitted by the source generator | No | -
warnings | Whether to suppress any warnings as otherwise emitted by the source generator | No | -
nodesc | If used, instructs the source generator not to generate *Descriptor classes. | No | -
generateMapping | If used, instructs the source generator to (additionally) generate a mapping file. | No | -
nomarshal | If specified, instructs the source generator not to create (un)marshalling methods within the Java classes generated. | No | -
caseInsensitive | If used, instructs the source generator to generate code for enumerated type lookup in a case insensitive manner. | No | -
sax1 | If used, instructs the source generator to generate SAX-1 compliant code. | No | -
generateImportedSchemas | If used, instructs the source generator to generate code for imported schemas as well. | No | -
nameConflictStrategy | If used, sets the name conflict strategy to use during XML code generation; possible values are '`warnViaConsoleDialog`' and '`informViaLog`'. | No | -
properties | Location of file defining a set of properties to be used during source code generation. This overrides the default mechanisms of configuring the source generator through a `castorbuilder.properties` (that has to be placed on the CLASSPATH) | No | -
automaticConflictStrategy | If used, sets the name conflict resolution strategy used during XML code generation; possible values are '`type`' and '`xpath`' (default being '`xpath`'). | No | -
jclassPrinterType | Sets the mode for printing JClass instances during XML code generation; possible values are '`standard`' and '`velocity`' (default being '`standard`'). | No | 1.2.1
generateJdoDescriptors | If used, instructs the source generator to generate JDO class descriptors as well; default is false. | No | 1.2.1
### Examples #### Using a file Below is an example of how to use this task from within an Ant target definition named 'castor:gen:src':
    <target name="castor:gen:src" depends="init"
             description="Generate Java source files from XSD.">

        <taskdef name="castor-srcgen"
                 classname="org.castor.anttask.CastorCodeGenTask"
                 classpathref="castor.class.path" />
        <mkdir dir="generated" />
        <castor-srcgen file="src/schema/sample.xsd"
                       todir="generated-source"
                       package="org.castor.example.schema"
                       types="j2"
                       warnings="true" />
    </target>
#### Using an URL Below is the same sample as above, this time using the url attribute as the source of input instead:
    <target name="castor:gen:src" depends="init"
             description="Generate Java source files from XSD.">

        <taskdef name="castor-srcgen"
                 classname="org.castor.anttask.CastorCodeGenTask"
                 classpathref="castor.class.path" />
        <mkdir dir="generated" />
        <castor-srcgen schemaURL="http://some.domain/some/path/sample.xsd"
                       todir="generated-source"
                       package="org.castor.example.schema"
                       types="j2"
                       warnings="true" />
    </target>
#### Using a nested <fileset> Below is the same sample as above, this time using the url attribute as the source of input instead:
    <target name="castor:gen:src" depends="init"
             description="Generate Java source files from XSD.">

        <taskdef name="castor-srcgen"
                 classname="org.castor.anttask.CastorCodeGenTask"
                 classpathref="castor.class.path" />
        <mkdir dir="generated" />
        <castor-srcgen todir="generated-source"
                       package="org.castor.example.schema"
                       types="j2"
                       warnings="true" >
           <fileset dir="${basedir}/src/schema">
              <include name="**/*.xsd"/>
           </fileset>
        </castor-srcgen>
    </target>
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