SettingsModifier.java

package org.jabox.utils;

import java.io.IOException;
import java.io.InputStream;
import java.io.StringWriter;
import java.util.Map;
import java.util.Map.Entry;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import org.apache.wicket.util.io.IOUtils;

public class SettingsModifier {
    private static final Logger LOGGER = LoggerFactory
        .getLogger(SettingsModifier.class);

    public static String parseInputStream(final InputStream is,
            Map<String, String> values) throws IOException {
        StringWriter writer = new StringWriter();
        IOUtils.copy(is, writer);
        String theString = writer.toString();
        String replace = theString;
        for (Entry<String, String> pair : values.entrySet()) {
            if (pair.getValue()==null) {
                pair.setValue("");
            }
            replace = replace.replace(pair.getKey(), pair.getValue());
            LOGGER.debug("Settings.xml variable: {}={}", pair.getKey(), pair.getValue());
        }
        return replace;
    }

}