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I'm trying to find some information on what the package-info.java file generated by the JAXB xjc commandline app actually does. All that is in the file is
@javax.xml.bind.annotation.XmlSchema(namespace = "http://www.example.com", elementFormDefault = javax.xml.bind.annotation.XmlNsForm.QUALIFIED) package the.generated.package.path; What is this package-info.java file used for?
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The package-info. java is a Java file that can be added to any Java source package. Its purpose is to provide a home for package level documentation and package level annotations. Simply create the package-info.
Simply put, package-info is a Java file that can be added to any Java package.
Ignore XML Attribute. You can specify ignore="true" or ignore="false". The default value is false. Specifying ignore="false" has no effect on the attribute value assigned when an object of the type specified in the rule is created and no effect on the constraints.
package-info.java is a way to apply java annotations at the package level. In this case Jaxb is using package-level annotations to indicate the namespace, and to specify namespace qualification for attributes (source).
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This is also useful when you generate javadoc
package-info.java - Can contain a package declaration, package annotations, package comments and Javadoc tags. This file is new in JDK 5.0, and is preferred over package.html.
source : http://download.oracle.com/javase/6/docs/technotes/tools/solaris/javadoc.html#sourcefiles
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