| /************************************************************** |
| * |
| * 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 com.sun.star.report.util; |
| |
| import com.sun.star.report.ParameterMap; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| |
| public class DefaultParameterMap implements ParameterMap |
| { |
| |
| private final Map backend; |
| |
| public DefaultParameterMap() |
| { |
| backend = new HashMap(); |
| } |
| |
| public void clear() |
| { |
| backend.clear(); |
| } |
| |
| /** |
| * Retrieves the value stored for a key in this properties collection. |
| * |
| * @param key the property key. |
| * @return The stored value, or <code>null</code> if the key does not exist in this |
| * collection. |
| */ |
| public Object get(final String key) |
| { |
| if (key == null) |
| { |
| throw new NullPointerException("DefaultParameterMap.get (..): Parameter 'key' must not be null"); |
| } |
| return backend.get(key); |
| } |
| |
| /** |
| * Retrieves the value stored for a key in this properties collection, and returning the |
| * default value if the key was not stored in this properties collection. |
| * |
| * @param key the property key. |
| * @param defaultValue the default value to be returned when the key is not stored in |
| * this properties collection. |
| * @return The stored value, or the default value if the key does not exist in this |
| * collection. |
| */ |
| public Object get(final String key, final Object defaultValue) |
| { |
| if (key == null) |
| { |
| throw new NullPointerException("DefaultParameterMap.get (..): Parameter 'key' must not be null"); |
| } |
| final Object o = this.backend.get(key); |
| if (o == null) |
| { |
| return defaultValue; |
| } |
| return o; |
| } |
| |
| public String[] keys() |
| { |
| return (String[]) this.backend.keySet().toArray(new String[backend.size()]); |
| } |
| |
| /** |
| * Adds a property to this properties collection. If a property with the given name |
| * exist, the property will be replaced with the new value. If the value is null, the |
| * property will be removed. |
| * |
| * @param key the property key. |
| * @param value the property value. |
| */ |
| public void put(final String key, final Object value) |
| { |
| if (key == null) |
| { |
| throw new NullPointerException("ReportProperties.put (..): Parameter 'key' must not be null"); |
| } |
| if (value == null) |
| { |
| this.backend.remove(key); |
| } |
| else |
| { |
| this.backend.put(key, value); |
| } |
| } |
| |
| public int size() |
| { |
| return this.backend.size(); |
| } |
| } |