/* Generated By:JJTree: Do not edit this line. ASTForeachStatement.java */

package org.apache.commons.jexl.parser;

import java.util.Iterator;

import org.apache.commons.jexl.JexlContext;
import org.apache.commons.jexl.util.Introspector;
import org.apache.commons.jexl.util.introspection.Info;

/**
 * ForEach statement.
 * Syntax:
 *      foreach (var in iterable) Statement()
 * @author Dion Gillard
 *
 */
public class ASTForeachStatement extends SimpleNode {
    /** dummy velocity info */
    private static Info DUMMY = new Info("", 1, 1);

    public ASTForeachStatement(int id) {
        super(id);
    }

    public ASTForeachStatement(Parser p, int id) {
        super(p, id);
    }


    /** Accept the visitor. **/
    public Object jjtAccept(ParserVisitor visitor, Object data) {
        return visitor.visit(this, data);
    }
  
    public Object value(JexlContext jc) throws Exception {
        Object result = null;
        /* first child is the loop variable */
        ASTReference loopVariable = (ASTReference) jjtGetChild(0); 
        /* second child is the variable to iterate */
        SimpleNode iterable = (SimpleNode) jjtGetChild(1);
        Object iterableValue = iterable.value(jc);
        // make sure there is a value to iterate on and a statement to execute
        if (iterableValue != null && jjtGetNumChildren() >= 3) {
            /* third child is the statement to execute */
            SimpleNode statement = (SimpleNode) jjtGetChild(2);
            // get an iterator for the collection/array etc via the introspector.
            Iterator itemsIterator = Introspector.getUberspect().getIterator(iterableValue, DUMMY);
            while (itemsIterator.hasNext())
            {
                // set loopVariable to value of iterator
                Object value = itemsIterator.next();
                jc.getVars().put(loopVariable.getRootString(), value);
                // execute statement
                result = statement.value(jc);
            }
        }
        return result;
    }
}

/* Generated By:JJTree: Do not edit this line. ASTForeachStatement.java */

package org.apache.commons.jexl.parser;

import java.util.Iterator;

import org.apache.commons.jexl.JexlContext;
import org.apache.commons.jexl.util.Introspector;
import org.apache.commons.jexl.util.introspection.Info;

/**
 * ForEach statement.
 * Syntax:
 *      foreach (var in iterable) Statement()
 * @author Dion Gillard
 * @since 1.0.1
 */
public class ASTForeachStatement extends SimpleNode {
    /** dummy velocity info */
    private static Info DUMMY = new Info("", 1, 1);

    public ASTForeachStatement(int id) {
        super(id);
    }

    public ASTForeachStatement(Parser p, int id) {
        super(p, id);
    }


    /** Accept the visitor. **/
    public Object jjtAccept(ParserVisitor visitor, Object data) {
        return visitor.visit(this, data);
    }
  
    public Object value(JexlContext jc) throws Exception {
        Object result = null;
        /* first child is the loop variable */
        ASTReference loopVariable = (ASTReference) jjtGetChild(0); 
        /* second child is the variable to iterate */
        SimpleNode iterable = (SimpleNode) jjtGetChild(1);
        Object iterableValue = iterable.value(jc);
        // make sure there is a value to iterate on and a statement to execute
        if (iterableValue != null && jjtGetNumChildren() >= 3) {
            /* third child is the statement to execute */
            SimpleNode statement = (SimpleNode) jjtGetChild(2);
            // get an iterator for the collection/array etc via the introspector.
            Iterator itemsIterator = Introspector.getUberspect().getIterator(iterableValue, DUMMY);
            while (itemsIterator.hasNext())
            {
                // set loopVariable to value of iterator
                Object value = itemsIterator.next();
                jc.getVars().put(loopVariable.getRootString(), value);
                // execute statement
                result = statement.value(jc);
            }
        }
        return result;
    }
}

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