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  * @version $Id: XMLComponentManager.java,v 1.6 2010-11-01 04:40:22 joehw Exp $
40  */
41 public interface XMLComponentManager {
42 
43     //
44     // XMLComponentManager methods
45     //
46 
47     /**
48      * Returns the state of a feature.
49      *
50      * @param featureId The feature identifier.
51      *
52      * @throws XMLConfigurationException Thrown on configuration error.
53      */
getFeature(String featureId)54     public boolean getFeature(String featureId)
55         throws XMLConfigurationException;
56 
57     /**
58      * Returns the state of a feature.
59      * Does not throw exceptions.
60      *
61      * @param featureId The feature identifier.
62      * @param defaultValue Default value if future is not available.
63      */
getFeature(String featureId, boolean defaultValue)64     public boolean getFeature(String featureId, boolean defaultValue);
65 
66     /**
67      * Returns the value of a property.
68      *
69      * @param propertyId The property identifier.
70      *
71     * @throws XMLConfigurationException Thrown on configuration error.
72      */
getProperty(String propertyId)73     public Object getProperty(String propertyId)
74         throws XMLConfigurationException;
75 
76     /**
77      * Returns the value of a property.
78      * Does not throw exceptions.
79      *
80      * @param propertyId The property identifier.
81      * @param defaultObject Return value if property is not available.
82      *
83      */
getProperty(String propertyId, Object defaultObject)84     public Object getProperty(String propertyId, Object defaultObject);
85 
getFeatureState(String featureId)86     public FeatureState getFeatureState(String featureId);
87 
getPropertyState(String propertyId)88     public PropertyState getPropertyState(String propertyId);
89 
90 } // interface XMLComponentManager
91