Package org.javlo.servlet

Class ImageTransformServlet

java.lang.Object

javax.servlet.GenericServlet

javax.servlet.http.HttpServlet

org.javlo.servlet.FileServlet

org.javlo.servlet.ImageTransformServlet

All Implemented Interfaces:

Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig

public class ImageTransformServlet
extends FileServlet

transform a image. url : /transform/[filter]/[template]/[area]/[local*]|[]/uri_to_image. *local = access to a file in the webapp, if not local the file come from data folder.

Author:

pvandermaesen.

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ImageTransformServlet.ImageTransforming

Nested classes/interfaces inherited from class org.javlo.servlet.FileServlet

FileServlet.Range

Field Summary

Fields

Modifier and Type	Field	Description
static String	COMPONENT_ID_URL_DIR_PREFIX
static long	COUNT_304
static long	COUNT_ACCESS
static String	DEFAULT_IMAGE_TYPE
static String	HASH_PREFIX
static String	LARGE_IMAGE_SUFFIX
static String	LOCAL_TEMPLATE_SUFFIX
static Logger	logger	create a static logger.
static String	MOBILE_IMAGE_SUFFIX
static String	NO_IMAGE_FILE
static String	PRELOAD_IMAGE_SUFFIX
static String	RESOURCE_TOKEN_KEY
static String	SMALL_IMAGE_SUFFIX
static String	VIEW_PICTURE_ACTION

Fields inherited from class org.javlo.servlet.FileServlet

DEFAULT_EXPIRE_TIME

Constructor Summary

Constructors

Constructor	Description
ImageTransformServlet()

Method Summary

Modifier and Type	Method	Description
void	destroy()
protected void	doGet(javax.servlet.http.HttpServletRequest httpServletRequest, javax.servlet.http.HttpServletResponse httpServletResponse)	Process GET request.
protected void	doPost(javax.servlet.http.HttpServletRequest httpServletRequest, javax.servlet.http.HttpServletResponse httpServletResponse)
long	getLastModified(ContentContext ctx, String name, String filter, String area, Device device, Template template, IImageFilter comp, ImageConfig.ImageParameters param)
void	init()
protected static BufferedImage	loadLayer(File file)
protected static BufferedImage	loadSourceImage(File file)
protected void	processRequest(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, boolean content)	get the text and the picture and build a button

Methods inherited from class org.javlo.servlet.FileServlet

doHead, matches, processRequest

Methods inherited from class javax.servlet.http.HttpServlet

doDelete, doOptions, doPut, doTrace, getLastModified, service, service

Methods inherited from class javax.servlet.GenericServlet

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

Field Detail

RESOURCE_TOKEN_KEY

public static final String RESOURCE_TOKEN_KEY

See Also:

Constant Field Values

PRELOAD_IMAGE_SUFFIX

public static final String PRELOAD_IMAGE_SUFFIX

See Also:

Constant Field Values

LARGE_IMAGE_SUFFIX

public static final String LARGE_IMAGE_SUFFIX

See Also:

Constant Field Values

SMALL_IMAGE_SUFFIX

public static final String SMALL_IMAGE_SUFFIX

See Also:

Constant Field Values

MOBILE_IMAGE_SUFFIX

public static final String MOBILE_IMAGE_SUFFIX

See Also:

Constant Field Values

COUNT_ACCESS

public static long COUNT_ACCESS

COUNT_304

public static long COUNT_304

COMPONENT_ID_URL_DIR_PREFIX

public static final String COMPONENT_ID_URL_DIR_PREFIX

See Also:

Constant Field Values

HASH_PREFIX

public static final String HASH_PREFIX

See Also:

Constant Field Values

logger

public static Logger logger

create a static logger.

VIEW_PICTURE_ACTION

public static final String VIEW_PICTURE_ACTION

See Also:

Constant Field Values

DEFAULT_IMAGE_TYPE

public static final String DEFAULT_IMAGE_TYPE

See Also:

Constant Field Values

LOCAL_TEMPLATE_SUFFIX

public static final String LOCAL_TEMPLATE_SUFFIX

See Also:

Constant Field Values

NO_IMAGE_FILE

public static final String NO_IMAGE_FILE

See Also:

Constant Field Values

Constructor Detail

ImageTransformServlet

public ImageTransformServlet()

Method Detail

init

public void init()
          throws javax.servlet.ServletException

Overrides:

init in class javax.servlet.GenericServlet

Throws:

javax.servlet.ServletException

destroy

public void destroy()

Specified by:

destroy in interface javax.servlet.Servlet

Overrides:

destroy in class javax.servlet.GenericServlet

loadLayer

protected static BufferedImage loadLayer(File file)
                                  throws IOException

Throws:

IOException

loadSourceImage

protected static BufferedImage loadSourceImage(File file)
                                        throws IOException

Throws:

IOException

doGet

protected void doGet(javax.servlet.http.HttpServletRequest httpServletRequest,
                     javax.servlet.http.HttpServletResponse httpServletResponse)
              throws javax.servlet.ServletException,
                     IOException

Description copied from class: FileServlet

Process GET request.

Overrides:

doGet in class FileServlet

Throws:

javax.servlet.ServletException

IOException

See Also:

HttpServlet.doGet(HttpServletRequest, HttpServletResponse)

doPost

protected void doPost(javax.servlet.http.HttpServletRequest httpServletRequest,
                      javax.servlet.http.HttpServletResponse httpServletResponse)
               throws javax.servlet.ServletException,
                      IOException

Overrides:

doPost in class javax.servlet.http.HttpServlet

Throws:

javax.servlet.ServletException

IOException

See Also:

HttpServlet.doPost(HttpServletRequest, HttpServletResponse)

getLastModified

public long getLastModified(ContentContext ctx,
                            String name,
                            String filter,
                            String area,
                            Device device,
                            Template template,
                            IImageFilter comp,
                            ImageConfig.ImageParameters param)
                     throws FileNotFoundException

Throws:

FileNotFoundException

processRequest

protected void processRequest(javax.servlet.http.HttpServletRequest request,
                              javax.servlet.http.HttpServletResponse response,
                              boolean content)
                       throws IOException

get the text and the picture and build a button

Overrides:

processRequest in class FileServlet

Throws:

Exception

IOException