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Apache CXF Woodstox/MSV Schema Validation

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/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF 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.apache.cxf.wstx_msv_validation;

import java.util.logging.Level;
import java.util.logging.Logger;

import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.XMLStreamWriter;

import org.apache.cxf.Bus;
import org.apache.cxf.common.injection.NoJSR250Annotations;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.endpoint.Endpoint;
import org.apache.cxf.io.StaxValidationManager;
import org.apache.cxf.service.model.ServiceInfo;

/**
 * 
 */
@NoJSR250Annotations
public class WoodstoxValidationImpl implements StaxValidationManager {
    private static final Logger LOG = LogUtils.getL7dLogger(WoodstoxValidationImpl.class);
    
    private Bus bus;
    private Stax2ValidationUtils utils;

    
    public WoodstoxValidationImpl(Bus b) {
        bus = b;
        
        try {
            utils = new Stax2ValidationUtils();
        } catch (Throwable e) {
            LOG.log(Level.FINE, "Problem initializing MSV validation", e);
            return;
        }
        
        if (null != bus) {
            bus.setExtension(this, StaxValidationManager.class);
        }
    }

    public boolean setupValidation(XMLStreamReader reader,
                                   Endpoint endpoint,
                                   ServiceInfo serviceInfo) throws XMLStreamException {
        if (utils != null && reader != null) {
            return utils.setupValidation(reader, endpoint, serviceInfo);
        }
        return false;
    }

    public boolean setupValidation(XMLStreamWriter writer,
                                   Endpoint endpoint,
                                   ServiceInfo serviceInfo) throws XMLStreamException {
        if (utils != null && writer != null) {
            return utils.setupValidation(writer, endpoint, serviceInfo);
        }
        return false;
    }
}