| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.felix.ipojo.composite; |
| |
| import java.util.Comparator; |
| import java.util.Map; |
| import java.util.TreeMap; |
| |
| /** |
| * Simple utility class that creates a map for string-based keys by extending |
| * <tt>TreeMap</tt>. This map can be set to use case-sensitive or |
| * case-insensitive comparison when searching for the key. Any keys put into |
| * this map will be converted to a <tt>String</tt> using the |
| * <tt>toString()</tt> method, since it is only intended to compare strings. |
| * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a> |
| */ |
| public class StringMap extends TreeMap { |
| |
| /** |
| * serialVersionUID. |
| */ |
| private static final long serialVersionUID = 6948801857034259744L; |
| |
| /** |
| * Constructor. |
| */ |
| public StringMap() { |
| this(true); |
| } |
| |
| /** |
| * Constructor. |
| * |
| * @param caseSensitive : fix if the map if case sensitive or not. |
| */ |
| public StringMap(boolean caseSensitive) { |
| super(new StringComparator(caseSensitive)); |
| } |
| |
| /** |
| * Constructor. |
| * |
| * @param map : initial properties. |
| * @param caseSensitive : fix if the map if case sensitive or not. |
| */ |
| public StringMap(Map map, boolean caseSensitive) { |
| this(caseSensitive); |
| putAll(map); |
| } |
| |
| /** |
| * Put a record in the map. |
| * @param key : key |
| * @param value : value |
| * @return an object. |
| * @see java.util.TreeMap#put(K, V) |
| */ |
| public Object put(Object key, Object value) { |
| return super.put(key.toString(), value); |
| } |
| |
| /** |
| * Check if the map is case-sensitive. |
| * @return true if the map is case sensitive. |
| */ |
| public boolean isCaseSensitive() { |
| return ((StringComparator) comparator()).isCaseSensitive(); |
| } |
| |
| /** |
| * Set the case sensitivity. |
| * |
| * @param b : the new case sensitivity. |
| */ |
| public void setCaseSensitive(boolean b) { |
| ((StringComparator) comparator()).setCaseSensitive(b); |
| } |
| |
| private static class StringComparator implements Comparator { |
| /** |
| * Is the map case sensitive? |
| */ |
| private boolean m_isCaseSensitive = true; |
| |
| /** |
| * Constructor. |
| * |
| * @param b : true to enable the case sensitivity. |
| */ |
| public StringComparator(boolean b) { |
| m_isCaseSensitive = b; |
| } |
| |
| /** |
| * Compare to object. |
| * @param o1 : first object to compare |
| * @param o2 : second object to compare |
| * @return the comparison result |
| * @see java.util.Comparator#compare(T, T) |
| */ |
| public int compare(Object o1, Object o2) { |
| if (m_isCaseSensitive) { |
| return o1.toString().compareTo(o2.toString()); |
| } else { |
| return o1.toString().compareToIgnoreCase(o2.toString()); |
| } |
| } |
| |
| /** |
| * Check if the comparator is case sensitive. |
| * @return true if the map is case sensitive. |
| */ |
| public boolean isCaseSensitive() { |
| return m_isCaseSensitive; |
| } |
| |
| /** |
| * Set the case sensitivity. |
| * |
| * @param b : true to enable the case sensitivity |
| */ |
| public void setCaseSensitive(boolean b) { |
| m_isCaseSensitive = b; |
| } |
| |
| /** |
| * Does not support cloning. |
| * @return The current map |
| * @see java.lang.Object#clone() |
| */ |
| public Object clone() { |
| return this; |
| } |
| } |
| } |