com.pekinsoft.validation.builtin.stringvalidation.EncodableInCharsetValidator Maven / Gradle / Ivy

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package com.pekinsoft.validation.builtin.stringvalidation;

import com.pekinsoft.validation.Problems;
import java.io.UnsupportedEncodingException;
import java.nio.charset.Charset;
import com.pekinsoft.framework.Application;
import com.pekinsoft.framework.ResourceMap;

/**
 *
 * @author Tim Boudreau
 */
final class EncodableInCharsetValidator extends StringValidator {

    private final ResourceMap rm;
    private final String charsetName;

    EncodableInCharsetValidator(String charsetName) {
        this.charsetName = charsetName;
        //Be fail-fast with respect to exceptions
        Charset.forName(charsetName);
        rm = Application.getInstance().getContext().getResourceMap(getClass());
    }

    EncodableInCharsetValidator() {
        this(Charset.defaultCharset().name());
    }

    @Override
    public void validate(Problems problems, String compName, String model) {
        char[] c = model.toCharArray();
        boolean result = true;
        String curr;
        for (int i = 0; i < c.length; i++) {
            curr = new String(new char[]{c[i]});
            try {
                String nue = new String(curr.getBytes(charsetName));
                result = c[i] == nue.charAt(0);
                if (!result) {
                    problems.add(rm.getString("INVALID_CHARACTER", compName, curr, charsetName)); //NOI18N
                    break;
                }
            } catch (UnsupportedEncodingException ex) {
                //Already tested in constructor
                throw new AssertionError(ex);
            }
        }
    }
}