com.sun.enterprise.admin.servermgmt.stringsubs.impl.AttributePreprocessorImpl Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of payara-micro Show documentation
Micro Distribution of the Payara Project for IBM JDK
The newest version!
/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
 *
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */

package com.sun.enterprise.admin.servermgmt.stringsubs.impl;

import java.util.Map;

import com.sun.enterprise.admin.servermgmt.stringsubs.AttributePreprocessor;

/**
 * Implementation of {@link AttributePreprocessor}
 */
public class AttributePreprocessorImpl implements AttributePreprocessor
{
    private Map _lookUpMap = null;
    private static final String DELIMITER = "$";

    AttributePreprocessorImpl() {}

    public AttributePreprocessorImpl(Map lookUpMap) {
        _lookUpMap = lookUpMap;
    }

    @Override
    public String substituteBefore(String beforeValue) {
        return beforeValue;
    }

    @Override
    public String substituteAfter(String afterValue) {
        return substitute(afterValue, DELIMITER, DELIMITER);
    }

    @Override
    public String substitutePath(String path) {
        return substitute(path, DELIMITER, DELIMITER);
    }

    private String substitute(final String var, final String startDelim, final String endDelim)
    {
        if (var == null || startDelim == null || endDelim == null) {
            return var;
        }
        int firstIndex = var.indexOf(startDelim);
        int secondIndex = var.indexOf(endDelim, firstIndex + startDelim.length());
        if (firstIndex == -1 || secondIndex == -1) {
            return var;
        }
        StringBuilder stringStart = new StringBuilder(var.substring(0, firstIndex));
        String sub = _lookUpMap.get(var.substring(firstIndex + startDelim.length(), secondIndex));
        String stringEnd = var.substring(secondIndex + endDelim.length(), var.length());
        if (sub != null) {
          stringStart.append(sub);
        }
        stringStart.append((stringEnd.indexOf(startDelim) == -1) ? stringEnd : substitute(stringEnd, startDelim, endDelim));
        return stringStart.toString();
    }
}