| /* |
| * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code 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 General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package jdk.nashorn.internal.runtime.options; |
| |
| import java.util.Collections; |
| import java.util.LinkedHashMap; |
| import java.util.Map; |
| import java.util.StringTokenizer; |
| |
| /** |
| * Key Value option such as logger. It comes on the format |
| * such as: |
| * |
| * {@code --log=module1:level1,module2:level2... } |
| */ |
| public class KeyValueOption extends Option<String> { |
| /** |
| * Map of keys given |
| */ |
| protected Map<String, String> map; |
| |
| KeyValueOption(final String value) { |
| super(value); |
| initialize(); |
| } |
| |
| Map<String, String> getValues() { |
| return Collections.unmodifiableMap(map); |
| } |
| |
| /** |
| * Check if the key value option has a value or if it has not |
| * been initialized |
| * @param key the key |
| * @return value, or null if not initialized |
| */ |
| public boolean hasValue(final String key) { |
| return map != null && map.get(key) != null; |
| } |
| |
| String getValue(final String key) { |
| if (map == null) { |
| return null; |
| } |
| final String val = map.get(key); |
| return "".equals(val) ? null : val; |
| } |
| |
| private void initialize() { |
| if (getValue() == null) { |
| return; |
| } |
| |
| map = new LinkedHashMap<>(); |
| |
| final StringTokenizer st = new StringTokenizer(getValue(), ","); |
| while (st.hasMoreElements()) { |
| final String token = st.nextToken(); |
| final String[] keyValue = token.split(":"); |
| |
| if (keyValue.length == 1) { |
| map.put(keyValue[0], ""); |
| } else if (keyValue.length == 2) { |
| map.put(keyValue[0], keyValue[1]); |
| } else { |
| throw new IllegalArgumentException(token); |
| } |
| } |
| } |
| } |