1 /*
   2  * Copyright (c) 2005, 2006, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package com.sun.org.apache.xerces.internal.impl;
  27 
  28 import java.util.HashMap;
  29 import javax.xml.stream.XMLInputFactory;
  30 import javax.xml.stream.XMLOutputFactory;
  31 import javax.xml.stream.XMLResolver;
  32 
  33 import com.sun.xml.internal.stream.StaxEntityResolverWrapper;
  34 
  35 /**
  36  *  This class manages different properties related to Stax specification and its implementation.
  37  * This class constructor also takes itself (PropertyManager object) as parameter and initializes the
  38  * object with the property taken from the object passed.
  39  *
  40  * @author  Neeraj Bajaj, neeraj.bajaj@sun.com
  41  * @author K.Venugopal@sun.com
  42  * @author Sunitha Reddy, sunitha.reddy@sun.com
  43  */
  44 
  45 public class PropertyManager {
  46 
  47 
  48     public static final String STAX_NOTATIONS = "javax.xml.stream.notations";
  49     public static final String STAX_ENTITIES = "javax.xml.stream.entities";
  50 
  51     private static final String STRING_INTERNING = "http://xml.org/sax/features/string-interning";
  52 
  53 
  54     HashMap supportedProps = new HashMap();
  55 
  56     public static final int CONTEXT_READER = 1;
  57     public static final int CONTEXT_WRITER = 2;
  58 
  59     /** Creates a new instance of PropertyManager */
  60     public PropertyManager(int context) {
  61         switch(context){
  62             case CONTEXT_READER:{
  63                 initConfigurableReaderProperties();
  64                 break;
  65             }
  66             case CONTEXT_WRITER:{
  67                 initWriterProps();
  68                 break;
  69             }
  70         }
  71     }
  72 
  73     /**
  74      * Initialize this object with the properties taken from passed PropertyManager object.
  75      */
  76     public PropertyManager(PropertyManager propertyManager){
  77 
  78         HashMap properties = propertyManager.getProperties();
  79         supportedProps.putAll(properties);
  80     }
  81 
  82     private HashMap getProperties(){
  83         return supportedProps ;
  84     }
  85 
  86 
  87     /**
  88      * Important point:
  89      * 1. We are not exposing Xerces namespace property. Application should configure namespace through
  90      * Stax specific property.
  91      *
  92      */
  93     private void initConfigurableReaderProperties(){
  94         //spec default values
  95         supportedProps.put(XMLInputFactory.IS_NAMESPACE_AWARE, Boolean.TRUE);
  96         supportedProps.put(XMLInputFactory.IS_VALIDATING, Boolean.FALSE);
  97         supportedProps.put(XMLInputFactory.IS_REPLACING_ENTITY_REFERENCES, Boolean.TRUE);
  98         supportedProps.put(XMLInputFactory.IS_SUPPORTING_EXTERNAL_ENTITIES, Boolean.TRUE);
  99         supportedProps.put(XMLInputFactory.IS_COALESCING, Boolean.FALSE);
 100         supportedProps.put(XMLInputFactory.SUPPORT_DTD, Boolean.TRUE);
 101         supportedProps.put(XMLInputFactory.REPORTER, null);
 102         supportedProps.put(XMLInputFactory.RESOLVER, null);
 103         supportedProps.put(XMLInputFactory.ALLOCATOR, null);
 104         supportedProps.put(STAX_NOTATIONS,null );
 105 
 106         //zephyr (implementation) specific properties which can be set by the application.
 107         //interning is always done
 108         supportedProps.put(Constants.SAX_FEATURE_PREFIX + Constants.STRING_INTERNING_FEATURE , new Boolean(true));
 109         //recognizing java encoding names by default
 110         supportedProps.put(Constants.XERCES_FEATURE_PREFIX + Constants.ALLOW_JAVA_ENCODINGS_FEATURE,  new Boolean(true)) ;
 111         //in stax mode, namespace declarations are not added as attributes
 112         supportedProps.put(Constants.ADD_NAMESPACE_DECL_AS_ATTRIBUTE ,  Boolean.FALSE) ;
 113         supportedProps.put(Constants.READER_IN_DEFINED_STATE, new Boolean(true));
 114         supportedProps.put(Constants.REUSE_INSTANCE, new Boolean(true));
 115         supportedProps.put(Constants.ZEPHYR_PROPERTY_PREFIX + Constants.STAX_REPORT_CDATA_EVENT , new Boolean(false));
 116         supportedProps.put(Constants.ZEPHYR_PROPERTY_PREFIX + Constants.IGNORE_EXTERNAL_DTD, Boolean.FALSE);
 117         supportedProps.put(Constants.XERCES_FEATURE_PREFIX + Constants.WARN_ON_DUPLICATE_ATTDEF_FEATURE, new Boolean(false));
 118         supportedProps.put(Constants.XERCES_FEATURE_PREFIX + Constants.WARN_ON_DUPLICATE_ENTITYDEF_FEATURE, new Boolean(false));
 119         supportedProps.put(Constants.XERCES_FEATURE_PREFIX + Constants.WARN_ON_UNDECLARED_ELEMDEF_FEATURE, new Boolean(false));
 120     }
 121 
 122     private void initWriterProps(){
 123         supportedProps.put(XMLOutputFactory.IS_REPAIRING_NAMESPACES , Boolean.FALSE);
 124         //default value of escaping characters is 'true'
 125         supportedProps.put(Constants.ESCAPE_CHARACTERS , Boolean.TRUE);
 126         supportedProps.put(Constants.REUSE_INSTANCE, new Boolean(true));
 127     }
 128 
 129     /**
 130      * public void reset(){
 131      * supportedProps.clear() ;
 132      * }
 133      */
 134     public boolean containsProperty(String property){
 135         return supportedProps.containsKey(property) ;
 136     }
 137 
 138     public Object getProperty(String property){
 139         return supportedProps.get(property);
 140     }
 141 
 142     public void setProperty(String property, Object value){
 143         String equivalentProperty = null ;
 144         if(property == XMLInputFactory.IS_NAMESPACE_AWARE || property.equals(XMLInputFactory.IS_NAMESPACE_AWARE)){
 145             equivalentProperty = Constants.XERCES_FEATURE_PREFIX + Constants.NAMESPACES_FEATURE ;
 146         }
 147         else if(property == XMLInputFactory.IS_VALIDATING || property.equals(XMLInputFactory.IS_VALIDATING)){
 148             if( (value instanceof Boolean) && ((Boolean)value).booleanValue()){
 149                 throw new java.lang.IllegalArgumentException("true value of isValidating not supported") ;
 150             }
 151         }
 152         else if(property == STRING_INTERNING || property.equals(STRING_INTERNING)){
 153             if( (value instanceof Boolean) && !((Boolean)value).booleanValue()){
 154                 throw new java.lang.IllegalArgumentException("false value of " + STRING_INTERNING + "feature is not supported") ;
 155             }
 156         }
 157         else if(property == XMLInputFactory.RESOLVER || property.equals(XMLInputFactory.RESOLVER)){
 158             //add internal stax property
 159             supportedProps.put( Constants.XERCES_PROPERTY_PREFIX + Constants.STAX_ENTITY_RESOLVER_PROPERTY , new StaxEntityResolverWrapper((XMLResolver)value)) ;
 160         }
 161         supportedProps.put(property, value ) ;
 162         if(equivalentProperty != null){
 163             supportedProps.put(equivalentProperty, value ) ;
 164         }
 165     }
 166 
 167     public String toString(){
 168         return supportedProps.toString();
 169     }
 170 
 171 }//PropertyManager