/*
*  Copyright (c) 2005-2010, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
*  WSO2 Inc. licenses this file to you under the Apache License,
*  Version 2.0 (the "License"); you may not use this file except
*  in compliance with the License.
*  You may obtain a copy of the License at
*
*    http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied.  See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.wso2.carbon.reporting.util;

import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.impl.builder.StAXOMBuilder;
import org.wso2.carbon.reporting.api.ReportingException;

import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import java.io.ByteArrayInputStream;

/**
 * used to process report template xml file
 */

public class OMElementHandler {

    public static OMElement createOMElement(String xmlFile) throws ReportingException {
        OMElement documentElement;
        try {
            // create parser
            XMLStreamReader parser = XMLInputFactory.newInstance().createXMLStreamReader(new ByteArrayInputStream(xmlFile.getBytes()));
            //create the builder
            StAXOMBuilder builder = new StAXOMBuilder(parser);
            //get the root element (in this case the envelope)
             documentElement = builder.getDocumentElement();
        } catch (XMLStreamException e) {
           throw new ReportingException("can not create OMElement from  " +xmlFile);
        }
        return documentElement;

    }

}
