Package org.openxml4j.opc.internal.marshallers

Source Code of org.openxml4j.opc.internal.marshallers.ZipPackagePropertiesMarshaller

/*
* Copyright (c) 2006, Wygwam
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
* - Neither the name of Wygwam nor the names of its contributors may be
* used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

package org.openxml4j.opc.internal.marshallers;

import java.io.IOException;
import java.io.OutputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

import org.openxml4j.exceptions.OpenXML4JException;
import org.openxml4j.opc.PackagePart;
import org.openxml4j.opc.StreamHelper;
import org.openxml4j.opc.internal.ZipHelper;

/**
* Package core properties marshaller specialized for zipped package.
*
* @author Julien Chable
* @version 1.0
*/
public class ZipPackagePropertiesMarshaller extends PackagePropertiesMarshaller {

  @Override
  public boolean marshall(PackagePart part, OutputStream out)
      throws OpenXML4JException {
    if (!(out instanceof ZipOutputStream)) {
      throw new IllegalArgumentException("ZipOutputStream expected!");
    }
    ZipOutputStream zos = (ZipOutputStream) out;

    // Saving the part in the zip file
    ZipEntry ctEntry = new ZipEntry(ZipHelper
        .getZipItemNameFromOPCName(part.getPartName().getURI()
            .toString()));
    try {
      // Save in ZIP
      zos.putNextEntry(ctEntry); // Add entry in ZIP
      super.marshall(part, out); // Marshall the properties inside a XML
      // Document
      if (!StreamHelper.saveXmlInStream(xmlDoc, out)) {
        return false;
      }
      zos.closeEntry();
    } catch (IOException e) {
      throw new OpenXML4JException(e.getLocalizedMessage());
    }
    return true;
  }
}
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