de.tuberlin.uebb.jbop.optimizer.utils.rename.NameFixer.java Source code

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Here is the source code for de.tuberlin.uebb.jbop.optimizer.utils.rename.NameFixer.java

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/*
 * Copyright (C) 2013 uebb.tu-berlin.de.
 * 
 * This file is part of JBOP (Java Bytecode OPtimizer).
 * 
 * JBOP is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * JBOP is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with JBOP. If not, see <http://www.gnu.org/licenses/>.
 */
package de.tuberlin.uebb.jbop.optimizer.utils.rename;

import java.util.HashSet;
import java.util.Set;

import org.apache.commons.lang3.StringUtils;

/**
 * The Class NameFixer.
 * 
 * Replaces substrings of Names
 * 
 * @author Christopher Ewest
 */
class NameFixer {

    private final Set<String> oldNames = new HashSet<>();

    /** The new name. */
    private final String newName;

    /**
     * Instantiates a new {@link NameFixer}.
     * 
     * @param newName
     *          the new name
     */
    NameFixer(final String newName) {
        super();
        this.newName = newName;
    }

    /**
     * Fix the name.
     * 
     * @param s
     *          the s
     * @return the string
     */
    String fix(final String s) {
        final String nameTouse = s;
        if (nameTouse != null) {
            for (final String name : oldNames) {
                StringUtils.replace(nameTouse, name, newName);
            }
        }
        return nameTouse;
    }

    /**
     * Adds the name to the list of known names.
     * 
     * @param name
     *          the name
     */
    void add(final String name) {
        oldNames.add(name);
    }

    /**
     * checks, if the name is already known.
     * 
     * @param s
     *          the s
     * @return true, if successful
     */
    boolean contains(final String s) {
        return oldNames.contains(s);
    }

    /**
     * Gets the new name.
     * 
     * @return the new name
     */
    String getNewName() {
        return newName;
    }
}