FieldsMetadataContentHandler.java

/**
 * Copyright (C) 2011-2015 The XDocReport Team <xdocreport@googlegroups.com>
 *
 * All rights reserved.
 *
 * Permission is hereby granted, free  of charge, to any person obtaining
 * a  copy  of this  software  and  associated  documentation files  (the
 * "Software"), to  deal in  the Software without  restriction, including
 * without limitation  the rights to  use, copy, modify,  merge, publish,
 * distribute,  sublicense, and/or sell  copies of  the Software,  and to
 * permit persons to whom the Software  is furnished to do so, subject to
 * the following conditions:
 *
 * The  above  copyright  notice  and  this permission  notice  shall  be
 * included in all copies or substantial portions of the Software.
 *
 * THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,
 * EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF
 * MERCHANTABILITY,    FITNESS    FOR    A   PARTICULAR    PURPOSE    AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE,  ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
package fr.opensagres.xdocreport.template.formatter.sax;

import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;

import fr.opensagres.xdocreport.core.utils.StringUtils;
import fr.opensagres.xdocreport.template.formatter.FieldMetadata;
import fr.opensagres.xdocreport.template.formatter.FieldsMetadata;
import fr.opensagres.xdocreport.template.formatter.XMLFieldsConstants;

public class FieldsMetadataContentHandler
    extends DefaultHandler
{

    private FieldsMetadata fieldsMetadata;

    private FieldMetadata currentField;

    private StringBuilder description;

    @Override
    public void startDocument()
        throws SAXException
    {
        fieldsMetadata = new FieldsMetadata();
    }

    public FieldsMetadata getFieldsMetadata()
    {
        return fieldsMetadata;
    }

    @Override
    public void startElement( String uri, String localName, String qName, Attributes attributes )
        throws SAXException
    {
        if ( XMLFieldsConstants.FIELDS_ELT.equals( localName ) )
        {
            String templateEngineKind = attributes.getValue( XMLFieldsConstants.TEMPLATE_ENGINE_KIND_ATTR );
            fieldsMetadata.setTemplateEngineKind( templateEngineKind );
        }
        else if ( XMLFieldsConstants.FIELD_ELT.equals( localName ) )
        {
            String fieldName = attributes.getValue( XMLFieldsConstants.NAME_ATTR );
            boolean listType = StringUtils.asBoolean( attributes.getValue( XMLFieldsConstants.LIST_ATTR ), false );
            String imageName = attributes.getValue( XMLFieldsConstants.IMAGE_NAME_ATTR );
            String syntaxKind = attributes.getValue( XMLFieldsConstants.SYNTAX_KIND_ATTR );
            boolean syntaxKindWithDirective =
                StringUtils.asBoolean( attributes.getValue( XMLFieldsConstants.HAS_DIRECTIVE ), false );
            this.currentField =
                fieldsMetadata.addField( fieldName, listType, imageName, syntaxKind, syntaxKindWithDirective );
        }
        else if ( XMLFieldsConstants.DESCRIPTION_ELT.equals( localName ) )
        {
            description = new StringBuilder();
        }
        super.startElement( uri, localName, qName, attributes );
    }

    @Override
    public void endElement( String uri, String localName, String qName )
        throws SAXException
    {
        if ( XMLFieldsConstants.FIELD_ELT.equals( localName ) )
        {
            this.currentField = null;
        }
        else if ( XMLFieldsConstants.DESCRIPTION_ELT.equals( localName ) )
        {
            if ( currentField != null )
            {
                currentField.setDescription( description.toString() );
            }
            else
            {
                fieldsMetadata.setDescription( description.toString() );
            }
            description = null;
        }
        super.endElement( uri, localName, qName );
    }

    @Override
    public void characters( char[] ch, int start, int length )
        throws SAXException
    {
        if ( description != null )
        {
            description.append( ch, start, length );
        }
        super.characters( ch, start, length );
    }

}