| /* |
| * Copyright (C) 2011 The Android Open Source Project |
| * |
| * 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 android.filterfw.core; |
| |
| import java.io.StringWriter; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| /** |
| * @hide |
| */ |
| public class KeyValueMap extends HashMap<String, Object> { |
| |
| public void setKeyValues(Object... keyValues) { |
| if (keyValues.length % 2 != 0) { |
| throw new RuntimeException("Key-Value arguments passed into setKeyValues must be " |
| + "an alternating list of keys and values!"); |
| } |
| for (int i = 0; i < keyValues.length; i += 2) { |
| if (!(keyValues[i] instanceof String)) { |
| throw new RuntimeException("Key-value argument " + i + " must be a key of type " |
| + "String, but found an object of type " + keyValues[i].getClass() + "!"); |
| } |
| String key = (String)keyValues[i]; |
| Object value = keyValues[i+1]; |
| put(key, value); |
| } |
| } |
| |
| public static KeyValueMap fromKeyValues(Object... keyValues) { |
| KeyValueMap result = new KeyValueMap(); |
| result.setKeyValues(keyValues); |
| return result; |
| } |
| |
| public String getString(String key) { |
| Object result = get(key); |
| return result != null ? (String)result : null; |
| } |
| |
| public int getInt(String key) { |
| Object result = get(key); |
| return result != null ? (Integer)result : null; |
| } |
| |
| public float getFloat(String key) { |
| Object result = get(key); |
| return result != null ? (Float)result : null; |
| } |
| |
| @Override |
| public String toString() { |
| StringWriter writer = new StringWriter(); |
| for (Map.Entry<String, Object> entry : entrySet()) { |
| String valueString; |
| Object value = entry.getValue(); |
| if (value instanceof String) { |
| valueString = "\"" + value + "\""; |
| } else { |
| valueString = value.toString(); |
| } |
| writer.write(entry.getKey() + " = " + valueString + ";\n"); |
| } |
| return writer.toString(); |
| } |
| |
| } |