Package com.sun.enterprise.tools.common.util.zip

Source Code of com.sun.enterprise.tools.common.util.zip.ZipWriter

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*
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* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License").  You
* may not use this file except in compliance with the License. You can obtain
* a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
* or glassfish/bootstrap/legal/LICENSE.txt.  See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
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/* Byron Nevins, April 2000
* ZipFile -- A utility class for exploding jar files that contain EJB(s).  Used *only* in this package by the EJBImporter class
*/

package com.sun.enterprise.tools.common.util.zip;

import java.io.File;
import java.io.IOException;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.OutputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

import com.sun.enterprise.tools.common.util.diagnostics.Reporter;
import com.sun.enterprise.tools.common.util.diagnostics.StackTrace;
import com.sun.enterprise.tools.common.util.Assertion;
import com.sun.enterprise.tools.common.util.ContainerHelper;

public class ZipWriter
{
  public ZipWriter(String zipFilename, String dirName, String[] fileList) throws ZipFileException
  {
    try
    {
      // note -- these asserts will be caught & repackaged as a ZipFileException
      Reporter.assertIt(zipFilename); //NOI18N
      Reporter.assertIt(dirName); //NOI18N
      Reporter.assertIt(fileList); //NOI18N
      Reporter.assertIt(fileList.length > 0); //NOI18N
     
      //make sure it's really a directory
      File f = new File(dirName);
      Reporter.assertIt(f.exists(),    "directory (" + dirName + ") doesn't exist");//NOI18N
      Reporter.assertIt(f.isDirectory()); //NOI18N
     
      // change the filename to be full-path & UNIX style
      try
      {
        dirName = f.getCanonicalPath();
      }
      catch(IOException e)
      {
        Reporter.warn("Couldn't getCanonicalPath() for " + dirName);//NOI18N
      }
     
      dirName = dirName.replace('\\', '/')// all UNIX-style filenames...
     
     
      // we need the dirname to end in a '/'
      if(!dirName.endsWith("/"))//NOI18N
        dirName += "/";//NOI18N

      // make sure the zipFile requested isn't the name of an existing directory
      f = new File(zipFilename);
      Reporter.assertIt(!f.isDirectory(), "zipFile (" + zipFilename + ") is actually a directory!" );//NOI18N

      for(int i = 0; i < fileList.length; i++)
      {
        fileList[i] = fileList[i].replace('\\', '/')// just in case...
      }
     
      this.zipFilename  = zipFilename;
      this.dirName    = dirName;
      this.fileList    = fileList;
                        zipStream = new ZipOutputStream(new FileOutputStream(zipFilename));
    }
    catch(Exception f)
    {
                        Reporter.critical(new StackTrace(f)); //NOI18N
      throw new ZipFileException(f);
    }
  }

  public ZipWriter(OutputStream outStream, String dirName, String[] fileList) throws ZipFileException
  {
    try
    {
      // note -- these asserts will be caught & repackaged as a ZipFileException
      //Reporter.assertIt(zipFilename); //NOI18N
      Reporter.assertIt(dirName); //NOI18N
      Reporter.assertIt(fileList); //NOI18N
      Reporter.assertIt(fileList.length > 0); //NOI18N
     
      //make sure it's really a directory
      File f = new File(dirName);
      Reporter.assertIt(f.exists(),    "directory (" + dirName + ") doesn't exist");//NOI18N
      Reporter.assertIt(f.isDirectory()); //NOI18N
     
      // change the filename to be full-path & UNIX style
      try
      {
        dirName = f.getCanonicalPath();
      }
      catch(IOException e)
      {
        Reporter.warn("Couldn't getCanonicalPath() for " + dirName);//NOI18N
      }
     
      dirName = dirName.replace('\\', '/')// all UNIX-style filenames...
     
     
      // we need the dirname to end in a '/'
      if(!dirName.endsWith("/"))//NOI18N
        dirName += "/";//NOI18N

      // make sure the zipFile requested isn't the name of an existing directory
      //f = new File(zipFilename);
      //Reporter.assertIt(!f.isDirectory(), "zipFile (" + zipFilename + ") is actually a directory!" );//NOI18N

      for(int i = 0; i < fileList.length; i++)
      {
        fileList[i] = fileList[i].replace('\\', '/')// just in case...
      }
     
      //this.zipFilename  = zipFilename;
      this.dirName    = dirName;
      this.fileList    = fileList;
                        zipStream = new ZipOutputStream(outStream);
    }
    catch(Assertion.Failure f)
    {
      throw new ZipFileException(f);
    }
  }

        //////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
  public void write()  throws ZipFileException
  {
    try
    {
      //zipStream = new ZipOutputStream(new FileOutputStream(zipFilename));

      for(int i = 0; i < fileList.length; i++)
      {
        addEntry(fileList[i]);
      }
     
      zipStream.close();
    }
    catch(ZipFileException z)
    {
                    Reporter.critical(new StackTrace(z)); //NOI18N
      throw z;
    }
    catch(Exception e)
    {
                    Reporter.critical(new StackTrace(e)); //NOI18N
      throw new ZipFileException(e);
    }
  }

  //////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
  public void addEntry(String entryNamethrows ZipFileException, IOException
  {
    int          totalBytes  = 0;
    FileInputStream    in      = new FileInputStream(dirName + entryName);
    ZipEntry      ze      = new ZipEntry(entryName);
   
    zipStream.putNextEntry(ze);

    for(int numBytes = in.read(buffer); numBytes > 0; numBytes = in.read(buffer))
    {
      zipStream.write(buffer, 0, numBytes);
      totalBytes += numBytes;
    }

    zipStream.closeEntry();
    Reporter.verbose("Wrote " + entryName + " to Zip File.  Wrote " + totalBytes + " bytes.");//NOI18N
  }   

   
  //////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
  public String toString()
  {
    String s = "Zip File Name: " + zipFilename + "\n";//NOI18N
    s += "Directory Name: " + dirName + "\n";//NOI18N
    s += "***** File Contents *********\n";//NOI18N
    s += ContainerHelper.toOneString(fileList);
   
    return s;
  }

  //////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
  public static void main(String[] notUsed)
  {
    Reporter.setSeverityLevel(0); //NOI18N
   
    try
    {
      String[] array = { "hello.txt", "a\\a.txt", "a\\b/b.txt" };//NOI18N
      ZipWriter zw = new ZipWriter("E:\\temp\\hello/ZipWriter.jar", "E:/Temp\\hello", array);//NOI18N
      zw.write();
      Reporter.verbose("" + zw);//NOI18N
    }
    catch(ZipFileException e)
    {
      Reporter.verbose("ZipFileException: " + e);//NOI18N
    }
  }

  /////////////////////////////////////////////////////////////////////////////////////////

  private          String      zipFilename    = null;
  private          String      dirName      = null;
  private          ZipOutputStream zipStream    = null;
  private          String[]  fileList    = null;
  private          byte[]    buffer      = new byte[16384];
}
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