com.jaspersoft.jasperserver.api.metadata.data.cache.JavaDataSnapshotSerializer.java Source code

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Here is the source code for com.jaspersoft.jasperserver.api.metadata.data.cache.JavaDataSnapshotSerializer.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.api.metadata.data.cache;

import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.OutputStream;

import net.sf.jasperreports.data.cache.DataSnapshot;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.jaspersoft.jasperserver.api.JSExceptionWrapper;

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

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

    public void writeSnapshot(DataSnapshot snapshot, OutputStream out) throws IOException {
        if (log.isDebugEnabled()) {
            log.debug("serializing data snapshot of type " + snapshot.getClass().getName());
        }

        ObjectOutputStream objectOut = new ObjectOutputStream(out);
        objectOut.writeObject(snapshot);
    }

    public DataSnapshot readSnapshot(InputStream in) throws IOException {
        if (log.isDebugEnabled()) {
            log.debug("deserializing data snapshot");
        }

        ObjectInputStream objectInput = new ObjectInputStream(in);
        DataSnapshot snapshot;
        try {
            snapshot = (DataSnapshot) objectInput.readObject();
        } catch (ClassNotFoundException e) {
            throw new JSExceptionWrapper("Failed to deserialize data snapshot", e);
        }

        if (log.isDebugEnabled()) {
            log.debug("deserialized data snapshot of type " + snapshot.getClass().getName());
        }

        return snapshot;
    }

}