org.sonar.java.resolve.Convert.java Source code

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Here is the source code for org.sonar.java.resolve.Convert.java

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/*
 * SonarQube Java
 * Copyright (C) 2012-2017 SonarSource SA
 * mailto:info AT sonarsource DOT com
 *
 * This program 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.
 *
 * This program 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 this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
package org.sonar.java.resolve;

import com.google.common.base.Preconditions;
import org.apache.commons.lang.StringUtils;

public class Convert {

    private Convert() {
    }

    public static String packagePart(String fullName) {
        int lastDot = fullName.lastIndexOf('.');
        return lastDot < 0 ? "" : fullName.substring(0, lastDot);
    }

    public static String shortName(String fullName) {
        return fullName.substring(fullName.lastIndexOf('.') + 1);
    }

    public static String flatName(String bytecodeName) {
        return bytecodeName.replace('/', '.');
    }

    public static String bytecodeName(String fullName) {
        return fullName.replace('.', '/');
    }

    public static String enclosingClassName(String shortName) {
        String normalizedShortName = normalizeShortName(shortName);
        int lastDollar = normalizedShortName.lastIndexOf('$');
        return lastDollar < 0 ? "" : normalizedShortName.substring(0, lastDollar);
    }

    public static String innerClassName(String enclosingClassName, String shortName) {
        Preconditions.checkArgument(!enclosingClassName.isEmpty(),
                "Enclosing class name should not be empty : " + shortName);
        int indexEnclosing = shortName.indexOf(enclosingClassName);
        if (indexEnclosing == -1) {
            // short name does not contain enclosing class name, might happen when a library is obfuscated
            return shortName;
        }
        Preconditions
                .checkState(shortName.substring(indexEnclosing + enclosingClassName.length()).charAt(0) == '$');
        return shortName.substring(indexEnclosing + enclosingClassName.length() + 1);
    }

    private static String normalizeShortName(String shortName) {
        return StringUtils.removeEnd(StringUtils.removeEnd(shortName, "$class"), "$");
    }

    public static String fullName(String packagePart, String className) {
        String pck = StringUtils.defaultIfBlank(packagePart, "");
        if (StringUtils.isNotEmpty(pck)) {
            pck += ".";
        }
        return pck + className;
    }
}