org.openlegacy.designtime.analyzer.support.CharReplaceTranslator.java Source code

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Here is the source code for org.openlegacy.designtime.analyzer.support.CharReplaceTranslator.java

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/*******************************************************************************
 * Copyright (c) 2014 OpenLegacy Inc.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *     OpenLegacy Inc. - initial API and implementation
 *******************************************************************************/
package org.openlegacy.designtime.analyzer.support;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.openlegacy.designtime.analyzer.TextTranslator;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.util.Assert;

import java.text.MessageFormat;
import java.util.Map;

public class CharReplaceTranslator implements TextTranslator, InitializingBean {

    private Map<String, String> charsToReplace;

    private final static Log logger = LogFactory.getLog(CharReplaceTranslator.class);

    @Override
    public String translate(String text) {
        StringBuilder sb = new StringBuilder(text);
        char[] chars = text.toCharArray();
        for (int i = 0; i < chars.length; i++) {
            String newChar = charsToReplace.get(String.valueOf(chars[i]));
            if (newChar != null) {
                sb.setCharAt(i, newChar.charAt(0));
            }
        }
        String result = sb.toString();
        if (logger.isDebugEnabled() && !text.equals(result)) {
            logger.debug(MessageFormat.format("Translated \"{0}\" to \"{1}\"", text, result));
        }
        return result;
    }

    public void setCharsToReplace(Map<String, String> charsToReplace) {
        this.charsToReplace = charsToReplace;
    }

    @Override
    public void afterPropertiesSet() throws Exception {
        Assert.notEmpty(charsToReplace);
    }
}