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@Retention(value=SOURCE)
@Target(value={CONSTRUCTOR,FIELD,LOCAL_VARIABLE,METHOD,PARAMETER,TYPE})
public @interface GrabConfig
Use within a @Grapes annotation to modify grab configuration.
Another example involving XStream:@Grapes([@Grab('mysql:mysql-connector-java:5.1.6'),@GrabConfig(systemClassLoader=true) ]) import groovy.sql.Sql def sql=Sql.newInstance("jdbc:mysql://localhost/test", "user", "password", "com.mysql.jdbc.Driver") println sql.firstRow('SELECT * FROM INFORMATION_SCHEMA.COLUMNS')
@Grapes([@Grab('com.thoughtworks.xstream:xstream:1.3.1'),@Grab('xpp3:xpp3_min:1.1.4c'),@GrabConfig(systemClassLoader=true, initContextClassLoader=true) ]) import com.thoughtworks.xstream.* class Staff { String firstname, lastname, position } def xstream = new XStream() def john1 = new Staff(firstname:'John', lastname:'Connor', position:'Resistance Leader') // write out to XML file new File("john.xml").withOutputStream { out -> xstream.toXML(john1, out) } // now read back in def john2 new File("john.xml").withInputStream { ins -> john2 = xstream.fromXML(ins) } println john2.dump()
| Optional Element Summary | |
|---|---|
boolean |
initContextClassLoader
Set to true if you want the context classloader to be initialised to the classloader of the current class or script. |
boolean |
systemClassLoader
Set to true if you want to use the system classloader when loading the grape. |
public abstract boolean systemClassLoader
public abstract boolean initContextClassLoader
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