1 /* 2 * reserved comment block 3 * DO NOT REMOVE OR ALTER! 4 */ 5 /* 6 * Copyright 2000-2002,2004 The Apache Software Foundation. 7 * 8 * Licensed under the Apache License, Version 2.0 (the "License"); 9 * you may not use this file except in compliance with the License. 10 * You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, software 15 * distributed under the License is distributed on an "AS IS" BASIS, 16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 17 * See the License for the specific language governing permissions and 18 * limitations under the License. 19 */ 20 21 package com.sun.org.apache.xerces.internal.xni.parser; 22 23 import com.sun.org.apache.xerces.internal.util.FeatureState; 24 import com.sun.org.apache.xerces.internal.util.PropertyState; 25 26 /** 27 * The component manager manages a parser configuration and the components 28 * that make up that configuration. The manager notifies each component 29 * before parsing to allow the components to initialize their state; and 30 * also any time that a parser feature or property changes. 31 * <p> 32 * The methods of the component manager allow components to query features 33 * and properties that affect the operation of the component. 34 * 35 * @see XMLComponent 36 * 37 * @author Andy Clark, IBM 38 * 39 */ 40 public interface XMLComponentManager { 41 42 // 43 // XMLComponentManager methods 44 // 45 46 /** 47 * Returns the state of a feature. 48 * 49 * @param featureId The feature identifier. 50 * 51 * @throws XMLConfigurationException Thrown on configuration error. 52 */ 53 public boolean getFeature(String featureId) 54 throws XMLConfigurationException; 55 56 /** 57 * Returns the state of a feature. 58 * Does not throw exceptions. 59 * 60 * @param featureId The feature identifier. 61 * @param defaultValue Default value if future is not available. 62 */ 63 public boolean getFeature(String featureId, boolean defaultValue); 64 65 /** 66 * Returns the value of a property. 67 * 68 * @param propertyId The property identifier. 69 * 70 * @throws XMLConfigurationException Thrown on configuration error. 71 */ 72 public Object getProperty(String propertyId) 73 throws XMLConfigurationException; 74 75 /** 76 * Returns the value of a property. 77 * Does not throw exceptions. 78 * 79 * @param propertyId The property identifier. 80 * @param defaultObject Return value if property is not available. 81 * 82 */ 83 public Object getProperty(String propertyId, Object defaultObject); 84 85 public FeatureState getFeatureState(String featureId); 86 87 public PropertyState getPropertyState(String propertyId); 88 89 } // interface XMLComponentManager