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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * published by the Free Software Foundation.  Oracle designates this
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 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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package com.sun.org.apache.xerces.internal.impl;

import com.sun.org.apache.xerces.internal.utils.XMLSecurityManager;
import com.sun.org.apache.xerces.internal.utils.XMLSecurityPropertyManager;
import com.sun.xml.internal.stream.StaxEntityResolverWrapper;
import java.util.HashMap;
import javax.xml.XMLConstants;
import javax.xml.catalog.CatalogFeatures;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLOutputFactory;
import javax.xml.stream.XMLResolver;
import jdk.xml.internal.JdkXmlUtils;

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, K Venugopal, Sunitha Reddy/**
 * 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
 * @author K Venugopal
 * @author Sunitha Reddy
 */

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";

    
Property identifier: Security manager. /** Property identifier: Security manager. */
    private static final String SECURITY_MANAGER = Constants.SECURITY_MANAGER;

    
Property identifier: Security property manager. /** Property identifier: Security property manager. */
    private static final String XML_SECURITY_PROPERTY_MANAGER =
            Constants.XML_SECURITY_PROPERTY_MANAGER;

    HashMap<String, Object> supportedProps = new HashMap<>();

    private XMLSecurityManager fSecurityManager;
    private XMLSecurityPropertyManager fSecurityPropertyMgr;

    public static final int CONTEXT_READER = 1;
    public static final int CONTEXT_WRITER = 2;

    
Creates a new instance of PropertyManager /** 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.
/**
     * Initialize this object with the properties taken from passed PropertyManager object.
     */
    public PropertyManager(PropertyManager propertyManager){

        HashMap<String, Object> properties = propertyManager.getProperties();
        supportedProps.putAll(properties);
        fSecurityManager = (XMLSecurityManager)getProperty(SECURITY_MANAGER);
        fSecurityPropertyMgr = (XMLSecurityPropertyManager)getProperty(XML_SECURITY_PROPERTY_MANAGER);
    }

    private HashMap<String, Object> getProperties(){
        return supportedProps ;
    }


    
Important point:
1. We are not exposing Xerces namespace property. Application should configure namespace through
Stax specific property.
/**
     * 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 , true);
        //recognizing java encoding names by default
        supportedProps.put(Constants.XERCES_FEATURE_PREFIX + Constants.ALLOW_JAVA_ENCODINGS_FEATURE, 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, true);
        supportedProps.put(Constants.REUSE_INSTANCE, true);
        supportedProps.put(Constants.ZEPHYR_PROPERTY_PREFIX + Constants.STAX_REPORT_CDATA_EVENT , false);
        supportedProps.put(Constants.ZEPHYR_PROPERTY_PREFIX + Constants.IGNORE_EXTERNAL_DTD, Boolean.FALSE);
        supportedProps.put(Constants.XERCES_FEATURE_PREFIX + Constants.WARN_ON_DUPLICATE_ATTDEF_FEATURE, false);
        supportedProps.put(Constants.XERCES_FEATURE_PREFIX + Constants.WARN_ON_DUPLICATE_ENTITYDEF_FEATURE, false);
        supportedProps.put(Constants.XERCES_FEATURE_PREFIX + Constants.WARN_ON_UNDECLARED_ELEMDEF_FEATURE, false);

        fSecurityManager = new XMLSecurityManager(true);
        supportedProps.put(SECURITY_MANAGER, fSecurityManager);
        fSecurityPropertyMgr = new XMLSecurityPropertyManager();
        supportedProps.put(XML_SECURITY_PROPERTY_MANAGER, fSecurityPropertyMgr);

        // Initialize Catalog features
        supportedProps.put(XMLConstants.USE_CATALOG, JdkXmlUtils.USE_CATALOG_DEFAULT);
        for( CatalogFeatures.Feature f : CatalogFeatures.Feature.values()) {
            supportedProps.put(f.getPropertyName(), null);
        }

        supportedProps.put(JdkXmlUtils.CDATA_CHUNK_SIZE, JdkXmlUtils.CDATA_CHUNK_SIZE_DEFAULT);
    }

    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, true);
    }

    
public void reset(){
supportedProps.clear() ;
}
/**
     * public void reset(){
     * supportedProps.clear() ;
     * }
     */
    public boolean containsProperty(String property){
        return supportedProps.containsKey(property) ||
                (fSecurityManager != null && fSecurityManager.getIndex(property) > -1) ||
                (fSecurityPropertyMgr!=null && fSecurityPropertyMgr.getIndex(property) > -1) ;
    }

    public Object getProperty(String property){
        return supportedProps.get(property);
    }

    public void setProperty(String property, Object value){
        String equivalentProperty = null ;
        if(property.equals(XMLInputFactory.IS_NAMESPACE_AWARE)){
            equivalentProperty = Constants.XERCES_FEATURE_PREFIX + Constants.NAMESPACES_FEATURE ;
        }
        else if(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.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.equals(XMLInputFactory.RESOLVER)){
            //add internal stax property
            supportedProps.put( Constants.XERCES_PROPERTY_PREFIX + Constants.STAX_ENTITY_RESOLVER_PROPERTY , new StaxEntityResolverWrapper((XMLResolver)value)) ;
        }

        /**
         * It's possible for users to set a security manager through the interface.
         * If it's the old SecurityManager, convert it to the new XMLSecurityManager
         */
        if (property.equals(Constants.SECURITY_MANAGER)) {
            fSecurityManager = XMLSecurityManager.convert(value, fSecurityManager);
            supportedProps.put(Constants.SECURITY_MANAGER, fSecurityManager);
            return;
        }
        if (property.equals(Constants.XML_SECURITY_PROPERTY_MANAGER)) {
            if (value == null) {
                fSecurityPropertyMgr = new XMLSecurityPropertyManager();
            } else {
                fSecurityPropertyMgr = (XMLSecurityPropertyManager)value;
            }
            supportedProps.put(Constants.XML_SECURITY_PROPERTY_MANAGER, fSecurityPropertyMgr);
            return;
        }

        //check if the property is managed by security manager
        if (fSecurityManager == null ||
                !fSecurityManager.setLimit(property, XMLSecurityManager.State.APIPROPERTY, value)) {
            //check if the property is managed by security property manager
            if (fSecurityPropertyMgr == null ||
                    !fSecurityPropertyMgr.setValue(property, XMLSecurityPropertyManager.State.APIPROPERTY, value)) {
                //fall back to the existing property manager
                supportedProps.put(property, value);
            }
        }

        if(equivalentProperty != null){
            supportedProps.put(equivalentProperty, value ) ;
        }
    }

    public String toString(){
        return supportedProps.toString();
    }

}//PropertyManager