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Eclipse JDT
Release 3.0

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org.eclipse.jdt.ui.jarpackager
Class JarWriter

java.lang.Object
  org.eclipse.jdt.ui.jarpackager.JarWriter

public class JarWriter

extends Object

Creates a JAR file for the given JAR package data. Clients may subclass.

Since:

2.0

See Also:

JarPackageData

Constructor Summary

JarWriter(JarPackageData jarPackage, Shell parent)
Creates an instance which is used to create a JAR based on the given JarPackage.

Method Summary

protected boolean	canCreateJar(Shell parent) Checks if the JAR file can be overwritten.
void	close() Closes the archive and does all required cleanup.
void	write(IFile resource, IPath destinationPath) Writes the passed resource to the current archive.
protected void	write(IPath path, byte[] contents, long lastModified) Creates a new JarEntry with the passed path and contents, and writes it to the current archive.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

JarWriter

public JarWriter(JarPackageData jarPackage,
                 Shell parent)
          throws CoreException

Creates an instance which is used to create a JAR based on the given JarPackage.

Parameters:

jarPackage - the JAR specification

parent - the shell used to display question dialogs, or null if "false/no/cancel" is the answer and no dialog should be shown

Throws:

CoreException - to signal any other unusual termination. This can also be used to return information in the status object.

Method Detail

close

public void close()
           throws CoreException

Closes the archive and does all required cleanup.

Throws:

CoreException - to signal any other unusual termination. This can also be used to return information in the status object.

write

public void write(IFile resource,
                  IPath destinationPath)
           throws CoreException

Writes the passed resource to the current archive.

Parameters:

resource - the file to be written

destinationPath - the path for the file inside the archive

Throws:

CoreException - to signal any other unusual termination. This can also be used to return information in the status object.

write

protected void write(IPath path,
                     byte[] contents,
                     long lastModified)
              throws IOException

Creates a new JarEntry with the passed path and contents, and writes it to the current archive.

Parameters:

path - the path inside the archive

contents - the bytes to write

lastModified - a long which represents the last modification date

Throws:

IOException - if an I/O error has occurred

canCreateJar

protected boolean canCreateJar(Shell parent)

Checks if the JAR file can be overwritten. If the JAR package setting does not allow to overwrite the JAR then a dialog will ask the user again.

Parameters:

parent - the parent for the dialog, or null if no dialog should be presented

Returns:

true if it is OK to create the JAR