[Ant Wiki] Update of "AntNewbies" by adebowale

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  If you start a ''ant test'' you'll get no error. An ''ant -p'' just prints the ''generateImport'' and ''test'' target. After running a simple ''ant'' or ''ant generateImport'' the final ''ant -p'' will print all your written targets.
  
+ 
+ Answer#17 I am having problems with nested elements 
+ 
+ {{{
+ 
+ <?xml version="1.0" encoding="ISO-8859-1"?>
+ <project name="BuildXmlUtilityTask" basedir="." default="buildXmlUtility">
+ 
+     <property name="src.dir" value="src"/>
+     <property name="classes.dir" value="classes"/>
+ 
+     <target name="clean" description="Delete all generated files">
+         <delete dir="${classes.dir}" failonerror="false"/>
+         <delete file="${ant.project.name}.jar"/>
+     </target>
+ 
+     <target name="compile" description="Compiles the Task">
+         <mkdir dir="${classes.dir}"/>
+         <javac srcdir="${src.dir}" destdir="${classes.dir}"/>
+     </target>
+ 
+     <target name="jar" description="JARs the Task" depends="compile">
+         <jar destfile="${ant.project.name}.jar" basedir="${classes.dir}"/>
+     </target>
+ 
+ 
+     <target name="buildXmlUtility"
+             description="Taskdef the BuildXmlUtitily-Task"
+             depends="jar">
+         <taskdef name="buildUtility"
+                  classname="com.corizon.xmlutility.XmlReaderUtility"                
+                  classpath="${ant.project.name}.jar"/>
+         <buildUtility> 
+                       <Argument arg = "C:\\project.xml"/>
+                       <Argument arg ="/projects/project[1]/@id"/>             
+                       <Argument arg = "Id17000"/>
+         </buildUtility>
+     </target>
+ 
+ </project>
+ 
+ 
+ 
+ package com.corizon.xmlutility;
+ 
+ import java.util.Iterator;
+ import java.util.Vector;
+ import org.apache.tools.ant.Task;
+ import org.apache.tools.ant.BuildException;
+ 
+ 
+ 
+ public class XmlReaderUtility extends Task{
+         
+         private static XmlFileReader xmlFileReader;
+         private String filePath;
+         private String xpathExpression;
+         private String value;
+         Vector arguments = new Vector();
+         
+         
+         
+         public void setFilePath(String filePath) {
+         this.filePath = filePath;
+         }
+         
+         public void setXpathExpression(String xpathExpression) {
+         this.xpathExpression = xpathExpression;
+         }
+         
+         public void setValue(String value) {
+         this.value = value;
+         }
+ 
+         /** Support for nested text. */
+         public void addArgument(Argument text) {
+                 arguments.add(text);
+         }
+         
+         
+         // The method executing the task
+         public void execute() throws BuildException {
+                 int i = 0;
+                  // handle nested elements
+                 for (Iterator it = arguments.iterator(); it.hasNext(); ) 
+                 {
+                 Argument arg = (Argument)it.next();
+                 if(i== 0)
+                 {
+                         setFilePath(arg.getArg());
+                         i++;
+                 }
+                 if(i==1)
+                 {
+                         setXpathExpression(arg.getArg());
+                         i++;
+                 }
+                 if(i==2)
+                 {
+                         setValue(arg.getArg());
+                         i++;
+                 }
+                 }
+                 xmlFileReader = new XmlFileReader(filePath,xpathExpression,value);
+         }
+             
+         
+         /** A nested 'argument'. */
+         public class Argument 
+         {
+                 // Bean constructor
+                 public Argument() {}
+ 
+                  /** Argument to pass on. */
+                  String arg;
+                  public void setArg(String arg) { this.arg = arg; }
+                  public String getArg() { return arg; }
+      }
+ 
+          
+  }
+ }}}
+ 
+ It complains The <buildUtility> type doesn't support the nested "Argument' element 
+ 

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