package org.apache.ibatis.parsing;
import java.util.Properties;
public class PropertyParser {
public static String parse(String string, Properties variables) {
VariableTokenHandler handler = new VariableTokenHandler(variables);
GenericTokenParser parser = new GenericTokenParser("${", "}", handler);
return parser.parse(string);
}
private static class VariableTokenHandler implements GenericTokenParser.TokenHandler {
private Properties variables;
public VariableTokenHandler(Properties variables) {
this.variables = variables;
}
public String handleToken(String content) {
if (variables != null && variables.containsKey(content)) {
return variables == null ? content : variables.getProperty(content);
} else {
return "${" + content + "}";
}
}
}
}
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