Package com.sun.org.apache.xerces.internal.impl

Source Code of com.sun.org.apache.xerces.internal.impl.PropertyManager

/*
* The contents of this file are subject to the terms
* of the Common Development and Distribution License
* (the "License").  You may not use this file except
* in compliance with the License.
*
* You can obtain a copy of the license at
* https://jaxp.dev.java.net/CDDLv1.0.html.
* See the License for the specific language governing
* permissions and limitations under the License.
*
* When distributing Covered Code, include this CDDL
* HEADER in each file and include the License file at
* https://jaxp.dev.java.net/CDDLv1.0.html
* If applicable add the following below this CDDL HEADER
* with the fields enclosed by brackets "[]" replaced with
* your own identifying information: Portions Copyright
* [year] [name of copyright owner]
*/

/*
* $Id: PropertyManager.java,v 1.5.2.2 2007/01/23 06:25:58 joehw Exp $
* @(#)PropertyManager.java  1.10 08/03/28
*
* Copyright 2005 Sun Microsystems, Inc. All Rights Reserved.
*/

package com.sun.org.apache.xerces.internal.impl;

import java.util.HashMap;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLOutputFactory;
import javax.xml.stream.XMLResolver;

import com.sun.xml.internal.stream.StaxEntityResolverWrapper;

/**
*  This class manages different properties related to Stax specification and its implementation.
* This class constructor also takes itself (PropertyManager object) as parameter and initializes the
* object with the property taken from the object passed.
*
* @author  Neeraj Bajaj, neeraj.bajaj@sun.com
* @author K.Venugopal@sun.com
* @author Sunitha Reddy, sunitha.reddy@sun.com
*/

public class PropertyManager {
   
   
    public static final String STAX_NOTATIONS = "javax.xml.stream.notations";
    public static final String STAX_ENTITIES = "javax.xml.stream.entities";
   
    private static final String STRING_INTERNING = "http://xml.org/sax/features/string-interning";
   
           
    HashMap supportedProps = new HashMap();
   
    public static final int CONTEXT_READER = 1;
    public static final int CONTEXT_WRITER = 2;
   
    /** Creates a new instance of PropertyManager */
    public PropertyManager(int context) {
        switch(context){
            case CONTEXT_READER:{
                initConfigurableReaderProperties();
                break;
            }
            case CONTEXT_WRITER:{
                initWriterProps();
                break;
            }
        }
    }
   
    /**
     * Initialize this object with the properties taken from passed PropertyManager object.
     */
    public PropertyManager(PropertyManager propertyManager){
       
        HashMap properties = propertyManager.getProperties();
        supportedProps.putAll(properties);
    }
   
    private HashMap getProperties(){
        return supportedProps ;
    }
   
   
    /**
     * Important point:
     * 1. We are not exposing Xerces namespace property. Application should configure namespace through
     * Stax specific property.
     *
     */
    private void initConfigurableReaderProperties(){
        //spec default values
        supportedProps.put(XMLInputFactory.IS_NAMESPACE_AWARE, Boolean.TRUE);
        supportedProps.put(XMLInputFactory.IS_VALIDATING, Boolean.FALSE);
        supportedProps.put(XMLInputFactory.IS_REPLACING_ENTITY_REFERENCES, Boolean.TRUE);
        supportedProps.put(XMLInputFactory.IS_SUPPORTING_EXTERNAL_ENTITIES, Boolean.TRUE);
        supportedProps.put(XMLInputFactory.IS_COALESCING, Boolean.FALSE);
        supportedProps.put(XMLInputFactory.SUPPORT_DTD, Boolean.TRUE);
        supportedProps.put(XMLInputFactory.REPORTER, null);
        supportedProps.put(XMLInputFactory.RESOLVER, null);
        supportedProps.put(XMLInputFactory.ALLOCATOR, null);
        supportedProps.put(STAX_NOTATIONS,null );
       
        //zephyr (implementation) specific properties which can be set by the application.
        //interning is always done
        supportedProps.put(Constants.SAX_FEATURE_PREFIX + Constants.STRING_INTERNING_FEATURE , new Boolean(true));
        //recognizing java encoding names by default
        supportedProps.put(Constants.XERCES_FEATURE_PREFIX + Constants.ALLOW_JAVA_ENCODINGS_FEATURE,  new Boolean(true)) ;
        //in stax mode, namespace declarations are not added as attributes
        supportedProps.put(Constants.ADD_NAMESPACE_DECL_AS_ATTRIBUTE ,  Boolean.FALSE) ;       
        supportedProps.put(Constants.READER_IN_DEFINED_STATE, new Boolean(true));
        supportedProps.put(Constants.REUSE_INSTANCE, new Boolean(true));
        supportedProps.put(Constants.ZEPHYR_PROPERTY_PREFIX + Constants.STAX_REPORT_CDATA_EVENT , new Boolean(false));
        supportedProps.put(Constants.XERCES_FEATURE_PREFIX + Constants.WARN_ON_DUPLICATE_ATTDEF_FEATURE, new Boolean(false));
        supportedProps.put(Constants.XERCES_FEATURE_PREFIX + Constants.WARN_ON_DUPLICATE_ENTITYDEF_FEATURE, new Boolean(false));
        supportedProps.put(Constants.XERCES_FEATURE_PREFIX + Constants.WARN_ON_UNDECLARED_ELEMDEF_FEATURE, new Boolean(false));
    }
   
    private void initWriterProps(){
        supportedProps.put(XMLOutputFactory.IS_REPAIRING_NAMESPACES , Boolean.FALSE);
        //default value of escaping characters is 'true'
        supportedProps.put(Constants.ESCAPE_CHARACTERS , Boolean.TRUE);
        supportedProps.put(Constants.REUSE_INSTANCE, new Boolean(true));
    }
   
    /**
     * public void reset(){
     * supportedProps.clear() ;
     * }
     */
    public boolean containsProperty(String property){
        return supportedProps.containsKey(property) ;
    }
   
    public Object getProperty(String property){
        return supportedProps.get(property);
    }
   
    public void setProperty(String property, Object value){
        String equivalentProperty = null ;
        if(property == XMLInputFactory.IS_NAMESPACE_AWARE || property.equals(XMLInputFactory.IS_NAMESPACE_AWARE)){
            equivalentProperty = Constants.XERCES_FEATURE_PREFIX + Constants.NAMESPACES_FEATURE ;
        }
        else if(property == XMLInputFactory.IS_VALIDATING || property.equals(XMLInputFactory.IS_VALIDATING)){
            if( (value instanceof Boolean) && ((Boolean)value).booleanValue()){
                throw new java.lang.IllegalArgumentException("true value of isValidating not supported") ;
            }
        }
        else if(property == STRING_INTERNING || property.equals(STRING_INTERNING)){
            if( (value instanceof Boolean) && !((Boolean)value).booleanValue()){
                throw new java.lang.IllegalArgumentException("false value of " + STRING_INTERNING + "feature is not supported") ;
            }
        }
        else if(property == XMLInputFactory.RESOLVER || property.equals(XMLInputFactory.RESOLVER)){
            //add internal stax property
            supportedProps.put( Constants.XERCES_PROPERTY_PREFIX + Constants.STAX_ENTITY_RESOLVER_PROPERTY , new StaxEntityResolverWrapper((XMLResolver)value)) ;
        }
        supportedProps.put(property, value ) ;
        if(equivalentProperty != null){
            supportedProps.put(equivalentProperty, value ) ;
        }
    }
   
    public String toString(){
        return supportedProps.toString();
    }
   
}//PropertyManager
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