liqp.nodes.BlockNode Maven / Gradle / Ivy

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package liqp.nodes;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import liqp.tags.Tag;

public class BlockNode implements LNode {

    private List children;

    public BlockNode() {
        children = new ArrayList();
    }

    public void add(LNode node) {
        children.add(node);
    }

    public List getChildren() {
        return new ArrayList(children);
    }

    @Override
    public Object render(Map context) {

        StringBuilder builder = new StringBuilder();

        for (LNode node : children) {

            Object value = node.render(context);

            if(value == null) {
                continue;
            }

            if(value == Tag.Statement.BREAK || value == Tag.Statement.CONTINUE) {
                return value;
            }

            else if (value.getClass().isArray()) {

                Object[] array = (Object[]) value;

                for (Object obj : array) {
                    builder.append(String.valueOf(obj));
                }
            }
            else {
                builder.append(String.valueOf(value));
            }
        }

        return builder.toString();
    }
}