Package org.mycore.services.zipper

Class MCRZipServlet

java.lang.Object

jakarta.servlet.GenericServlet

jakarta.servlet.http.HttpServlet

org.mycore.frontend.servlets.MCRServlet

org.mycore.services.zipper.MCRCompressServlet<org.apache.commons.compress.archivers.zip.ZipArchiveOutputStream>

org.mycore.services.zipper.MCRZipServlet

All Implemented Interfaces:

jakarta.servlet.Servlet, jakarta.servlet.ServletConfig, Serializable

public class MCRZipServlet
extends MCRCompressServlet<org.apache.commons.compress.archivers.zip.ZipArchiveOutputStream>

Uses ZIP format to deliver requested content. Deflater.BEST_COMPRESSION is used for compression.

Author:

Thomas Scheffler

See Also:

• Serialized Form

Field Summary

Fields inherited from class org.mycore.services.zipper.MCRCompressServlet

KEY_OBJECT_ID, KEY_PATH

Fields inherited from class org.mycore.frontend.servlets.MCRServlet

ATTR_MYCORE_SESSION, CURRENT_THREAD_NAME_KEY, INITIAL_SERVLET_NAME_KEY

Constructor Summary

Constructors

Constructor	Description
MCRZipServlet()

Method Summary

Modifier and Type	Method	Description
protected org.apache.commons.compress.archivers.zip.ZipArchiveOutputStream	createContainer(jakarta.servlet.ServletOutputStream sout, String comment)
protected void	disposeContainer(org.apache.commons.compress.archivers.zip.ZipArchiveOutputStream container)
protected String	getFileExtension()
protected String	getMimeType()
protected void	sendCompressedDirectory(MCRPath file, BasicFileAttributes attrs, org.apache.commons.compress.archivers.zip.ZipArchiveOutputStream container)
protected void	sendCompressedFile(MCRPath file, BasicFileAttributes attrs, org.apache.commons.compress.archivers.zip.ZipArchiveOutputStream container)
protected void	sendMetadataCompressed(String fileName, byte[] content, long lastModified, org.apache.commons.compress.archivers.zip.ZipArchiveOutputStream container)

Methods inherited from class org.mycore.services.zipper.MCRCompressServlet

getFilename, render, think

Methods inherited from class org.mycore.frontend.servlets.MCRServlet

allowCrossDomainRequests, buildRedirectURL, cleanupMCRSession, doGet, doGet, doGetPost, doPost, doPost, getErrorI18N, getLastModified, getLayoutService, getProperty, getReferer, getServletBaseURL, getSession, handleException, init, initializeMCRSession, reportException, toReferrer, toReferrer

Methods inherited from class jakarta.servlet.http.HttpServlet

doDelete, doHead, doOptions, doPut, doTrace, service, service

Methods inherited from class jakarta.servlet.GenericServlet

destroy, getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, init, log, log

Methods inherited from class java.lang.Object

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

Constructor Details

MCRZipServlet

public MCRZipServlet()

Method Details

sendCompressedDirectory

protected void sendCompressedDirectory(MCRPath file,
 BasicFileAttributes attrs,
 org.apache.commons.compress.archivers.zip.ZipArchiveOutputStream container)
                                throws IOException

Specified by:

sendCompressedDirectory in class MCRCompressServlet<org.apache.commons.compress.archivers.zip.ZipArchiveOutputStream>

Throws:

IOException

sendCompressedFile

protected void sendCompressedFile(MCRPath file,
 BasicFileAttributes attrs,
 org.apache.commons.compress.archivers.zip.ZipArchiveOutputStream container)
                           throws IOException

Specified by:

sendCompressedFile in class MCRCompressServlet<org.apache.commons.compress.archivers.zip.ZipArchiveOutputStream>

Throws:

IOException

sendMetadataCompressed

protected void sendMetadataCompressed(String fileName,
 byte[] content,
 long lastModified,
 org.apache.commons.compress.archivers.zip.ZipArchiveOutputStream container)
                               throws IOException

Specified by:

sendMetadataCompressed in class MCRCompressServlet<org.apache.commons.compress.archivers.zip.ZipArchiveOutputStream>

Throws:

IOException

getMimeType

protected String getMimeType()

Specified by:

getMimeType in class MCRCompressServlet<org.apache.commons.compress.archivers.zip.ZipArchiveOutputStream>

getFileExtension

protected String getFileExtension()

Specified by:

getFileExtension in class MCRCompressServlet<org.apache.commons.compress.archivers.zip.ZipArchiveOutputStream>

createContainer

protected org.apache.commons.compress.archivers.zip.ZipArchiveOutputStream createContainer(jakarta.servlet.ServletOutputStream sout,
 String comment)

Specified by:

createContainer in class MCRCompressServlet<org.apache.commons.compress.archivers.zip.ZipArchiveOutputStream>

disposeContainer

protected void disposeContainer(org.apache.commons.compress.archivers.zip.ZipArchiveOutputStream container)
                         throws IOException

Specified by:

disposeContainer in class MCRCompressServlet<org.apache.commons.compress.archivers.zip.ZipArchiveOutputStream>

Throws:

IOException