com.jaspersoft.jasperserver.export.io.CastorSerializer.java Source code

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Here is the source code for com.jaspersoft.jasperserver.export.io.CastorSerializer.java

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/*
 * Copyright (C) 2005 - 2014 TIBCO Software Inc. All rights reserved.
 * http://www.jaspersoft.com.
 *
 * Unless you have purchased  a commercial license agreement from Jaspersoft,
 * the following license terms  apply:
 *
 * This program is free software: you can redistribute it and/or  modify
 * it under the terms of the GNU Affero General Public License  as
 * published by the Free Software Foundation, either version 3 of  the
 * License, or (at your option) any later version.
 *
 * This program 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 Affero  General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public  License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

package com.jaspersoft.jasperserver.export.io;

import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.Reader;
import java.io.UnsupportedEncodingException;
import java.io.Writer;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.exolab.castor.mapping.Mapping;
import org.exolab.castor.mapping.MappingException;
import org.exolab.castor.xml.Marshaller;
import org.exolab.castor.xml.Unmarshaller;
import org.exolab.castor.xml.XMLException;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.core.io.Resource;

import com.jaspersoft.jasperserver.api.JSExceptionWrapper;
import com.jaspersoft.jasperserver.export.modules.ExporterModuleContext;
import com.jaspersoft.jasperserver.export.modules.ImporterModuleContext;

/**
 * @author Lucian Chirita (lucianc@users.sourceforge.net)
 * @version $Id: CastorSerializer.java 47331 2014-07-18 09:13:06Z kklein $
 */
public class CastorSerializer implements ObjectSerializer, InitializingBean {

    private static final Log log = LogFactory.getLog(CastorSerializer.class);

    private Resource[] castorMappings;

    private Mapping castorMapping;

    public Resource[] getCastorMappings() {
        return castorMappings;
    }

    public void setCastorMappings(Resource[] castorMappings) {
        this.castorMappings = castorMappings;
    }

    public void afterPropertiesSet() throws Exception {
        createCastorMapping();
    }

    protected void createCastorMapping() {
        castorMapping = new Mapping();

        if (castorMappings != null) {
            try {
                for (int i = 0; i < castorMappings.length; i++) {
                    Resource mappingRes = castorMappings[i];
                    castorMapping.loadMapping(mappingRes.getURL());
                }
            } catch (IOException e) {
                log.error(e);
                throw new JSExceptionWrapper(e);
            } catch (MappingException e) {
                log.error(e);
                throw new JSExceptionWrapper(e);
            }
        }
    }

    public void write(Object object, OutputStream stream, ExporterModuleContext exportContext) throws IOException {
        try {
            Writer writer = new OutputStreamWriter(stream, exportContext.getCharacterEncoding());
            Marshaller marshaller = new Marshaller(writer);
            synchronized (castorMapping) {
                marshaller.setMapping(castorMapping);
            }
            marshaller.marshal(object);
        } catch (UnsupportedEncodingException e) {
            log.error(e);
            throw new JSExceptionWrapper(e);
        } catch (MappingException e) {
            log.error(e);
            throw new JSExceptionWrapper(e);
        } catch (XMLException e) {
            log.error(e);
            throw new JSExceptionWrapper(e);
        }
    }

    public Object read(InputStream stream, ImporterModuleContext importContext) throws IOException {
        try {
            Reader reader = new InputStreamReader(stream, importContext.getCharacterEncoding());
            Unmarshaller unmarshaller = new Unmarshaller();
            unmarshaller.setMapping(castorMapping);
            unmarshaller.setWhitespacePreserve(true);
            Object object = unmarshaller.unmarshal(reader);
            return object;
        } catch (XMLException e) {
            log.error(e);
            throw new JSExceptionWrapper(e);
        } catch (MappingException e) {
            log.error(e);
            throw new JSExceptionWrapper(e);
        }
    }

}