org.apache.cayenne.project.ConfigurationSaver Maven / Gradle / Ivy

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package org.apache.cayenne.project;

import java.io.PrintWriter;

import org.apache.cayenne.configuration.BaseConfigurationNodeVisitor;
import org.apache.cayenne.configuration.DataChannelDescriptor;
import org.apache.cayenne.map.DataMap;
import org.apache.cayenne.util.XMLEncoder;

/**
 * @since 3.1
 */
class ConfigurationSaver extends BaseConfigurationNodeVisitor {

    private PrintWriter printWriter;
    private String version;

    ConfigurationSaver(PrintWriter printWriter, String version) {
        this.printWriter = printWriter;
        this.version = version;
    }

    @Override
    public Void visitDataChannelDescriptor(DataChannelDescriptor node) {
        XMLEncoder encoder = new XMLEncoder(printWriter, "\t", version);
        printXMLHeader(encoder);
        node.encodeAsXML(encoder);
        return null;
    }

    @Override
    public Void visitDataMap(DataMap node) {
        XMLEncoder encoder = new XMLEncoder(printWriter, "\t", version);
        printXMLHeader(encoder);
        node.encodeAsXML(encoder);
        return null;
    }

    private void printXMLHeader(XMLEncoder encoder) {
        encoder.println("");
    }
}