net.oneandone.stool.util.Macros Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of main Show documentation

Stool's main component. Java Library, cli, setup code.

There is a newer version: 4.0.3

/*
 * Copyright 1&1 Internet AG, https://github.com/1and1/
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package net.oneandone.stool.util;

import java.util.HashMap;
import java.util.Map;

public class Macros {

    private final Map macros;


    public Macros() {
        this.macros = new HashMap<>();
    }

    public void add(String key, String value) {
        macros.put(key, value);
    }

    public void addAll(Map all) {
        macros.putAll(all);
    }

    public String replace(String string) {
        return replace(string, '@', '@');
    }

    private String replace(String string, Character prefix, Character suffix) {
        String result;
        String key;

        if (string.indexOf(prefix) == -1) {
            return string;
        }
        result = string;
        for (Map.Entry macro : macros.entrySet()) {
            key = prefix + macro.getKey() + suffix;
            result = result.replace(key, macro.getValue());
        }

        return result;
    }
}