Class JsonSerializer

src/main/java/org/rumbledb/serialization/JsonSerializer.java:8–201

import org.rumbledb.items.xml.NamespaceItem;

public class JsonSerializer implements Serializer, java.io.Serializable {

    private static final long serialVersionUID = 1L;

    private final org.rumbledb.serialization.SerializationParameters params;

    public JsonSerializer(SerializationParameters params) {
        this.params = params;
    }

    @Override
    public String serialize(Item i) {
        StringBuffer sb = new StringBuffer();
        serialize(i, sb, "", true);
        return sb.toString();
    }

    @Override
    public void serialize(Item item, StringBuffer sb, String indent, boolean isTopLevel) {
        if (item.isFunction()) {
            throw new FunctionsNonSerializableException();
        }
        if (item.isAtomic()) {
            appendJSONAtomicItem(item, sb);
            return;
        }
        if (item.isArray()) {
            sb.append("[");

            String separator = " ";
            if (this.params.getIndent()) {
                separator = "\n" + indent + "  ";
            }
            boolean firstTime = true;
            for (Item member : item.getItemMembers()) {
                sb.append(separator);
                if (firstTime) {
                    separator = "," + separator;
                    firstTime = false;
                }
                if (this.params.getIndent()) {
                    serialize(member, sb, indent + "  ", false);
                } else {
                    serialize(member, sb, "", false);
                }
            }
            if (this.params.getIndent()) {
                sb.append("\n" + indent);
            } else {
                sb.append(" ");
            }
            sb.append("]");
            return;
        }
        if (item.isObject()) {
            sb.append("{");
            String separator = " ";
            if (this.params.getIndent()) {