... and categories of meaning. The Communicative Approach and the
Natural Approach are based on this view.
The interactional view sees language primarily as a means for establishing and
maintaining ... are fully engaged
in a language task, rather than just learning about language (p.17).
Lee (2000) defines a task is ‘(1) a classroom activity or exercise that has: (a) an
objective obtainable ...
maintaining interpersonal relations and for performing social transactions between
individuals. The target of language learning in this view, thus, is to learn to initiate and
maintain conversations...
... specialists
were becoming increasingly reluctant to advise women with transplants
against trying for a baby, as medical care for ‘high risk’ pregnancies was
improving dramatically. Following discussion ... gestation by a right deep vein
thrombosis, affecting the femoral and external iliac veins, and anti-coagulation
with heparin and warfarin was required. Spontaneous rupture of the mem-
branes, leading ... renal disease, necessitating the initiation of haemodialysis (a
kidney machine) two years later, and a living, related donor renal transplant
(from her mother) was subsequently performed. After...
... c:\jakarta-tomcat\classes;c:\jakarta-
tomcat\lib\ant.jar;c:\jakarta-tomcat\lib\jaxp.jar;c:\jakarta-
➥
tomcat\lib\servlet.jar;c:\jakarta-tomcat\lib\parser.jar;c:\jakarta-tomcat\lib\we
➥
bserver.jar;c:\jakarta-tomcat\lib\jasper.jar;c:\jakarta-
➥
tomcat\lib\xalanservlet.jar;c:\jakarta-tomcat\lib\xerces.jar;c:\jakarta-
➥
tomcat\lib\xalanj1compat.jar;c:\jakarta-tomcat\lib\aaxalan.jar;c:\jdk1.3\lib\too
➥
ls.jar
2001-05-23 ... c:\jakarta-tomcat\classes;c:\jakarta-
tomcat\lib\ant.jar;c:\jakarta-tomcat\lib\jaxp.jar;c:\jakarta-
➥
tomcat\lib\servlet.jar;c:\jakarta-tomcat\lib\parser.jar;c:\jakarta-tomcat\lib\we
➥
bserver.jar;c:\jakarta-tomcat\lib\jasper.jar;c:\jakarta-
➥
tomcat\lib\xalanservlet.jar;c:\jakarta-tomcat\lib\xerces.jar;c:\jakarta-
➥
tomcat\lib\xalanj1compat.jar;c:\jakarta-tomcat\lib\aaxalan.jar;c:\jdk1.3\lib\too
➥
ls.jar
2001-05-23 ... is all a matter of details.”You have what you need: an example of a Java
servlet calling a JSP page, and an example of another JSP page calling a Java servlet
(actually, calling a servlet that...
... discussed and heralded in particular as a great benefit in connecting
legacy applications to modern Web-based applications.
Within a Web application, passing even one parameter that contains XML data ... database management system
because handling chat data is an obvious job.We decided against that for several rea-
sons. One is that we did not want to assume that all our readers are familiar ... in data-display tasks, except in two tasks (displaying
chat subject categories to a user starting a chat, and displaying the messages ina chat).
TransformTag
was so useful that we were able to...
... should really have used a
StringBuffer
:
<%
String selectChatGuests = “”;
String optionChatGuest = “”;
DataInputStream in = new DataInputStream(
new BufferedInputStream(
new FileInputStream(
“ ...
bonForumXML
(a
ForestHashtable
) as a string.
Now we decided to make it the input XML stream for the Xalan XSLT processor as
part of our
TransformTag
class.
Displaying the available chats would mean ... remove this watermark.
141
6.3 Displaying Chat Messages
database grows. Our plan is to iterate only the message pointers that exist within a
particular chat element in the XML data.We had to settle...
... Topic
■
Performing thread synchronization
■
Synchronizing the XML database
■
Finding the chat and actor status in Chat
■
Rejoining existing chats
■
Starting a chat
■
Adding a host actor
■
Adding a chat element
08 ... “sessionMaxInactiveMinutes”,
sessionMaxInactiveMinutes );
}
As a second example of request parameter handling, see how simply the age value
input by a bonForum user is made available in the session ... to each JSP-produced page of a bonForum
instance.
The incoming request parameters are validated and made available to the Web
application in whatever scope is appropriate.We will give two examples...
... If the actor was in the chat, always join it with the previous status; otherwise,
warn and ask again.
3. If the actor was in the chat, always join as a guest; otherwise, warn and ask again.
08 ... database (now a
ForestHashtable
)
n
Initializes the XML database for use as a chat Web app
n
Loads XML files into a database using its methods
n
Dumps the content of the database as XML ina ... separator ina chatItem
// ‘.’ is separator in pathNameHashtable keys
fakeChatItem = fakeChatItem.replace(‘.’, ‘_’);
// example fakeChatItem:
// Animals_Bird_Hawk_[Medieval falconry]
String foundChatNodeKeyKey...
... about vari-
ables that are used in the Web application. It will assume as it translates the tag that
these variables are available as page attributes. Later, when we look at the translated
Java ... time about tags and the variables they use.These classes
are
TagAttributeInfo
,
TagData
,
TagExtraInfo
,
TagInfo
,
TagLibraryInfo
, and
VariableInfo
.
The doStartTag( ) Method
Implementing the ... de.tarent.forum;
import javax.servlet.jsp.tagext.*;
public class BonForumTagExtraInfo extends TagExtraInfo {
public VariableInfo[] getVariableInfo(TagData data) {
return new VariableInfo[] {
new VariableInfo(“output”,
“String”,
true,
10...
... without using any tabs
or spaces! Thankfully, that bug seems to be gone now—at least, while using the Xalan-
Java 1 compatibility JAR or the Xalan-Java 2 JAR.
10.8 Displaying the Available bonForums
We ... system_executes_command.jsp. Note that if you have
Xalan-Java-2
,
you can also set
xalanVersion
to
Xalan Java 1
, as long as the compatibility JAR file
is accessible, for example, as TOMCAT_HOME\lib\xalanj1compat.jar.
Let’s ... two
classes to encapsulate the steps required for either
Xalan-Java 1
or
Xalan-Java 2
.The
classes are called
Xalan1Transformer
and
Xalan2Transformer
. Each has one method
called
transform
, which...
... the
pathNameHashtable
(as an element this time)
with a key that is a string containing the
pathName
that was just given as an example.
Mapping User Choices to PathName Keys
We can now display ... this watermark.
416
Chapter 11 XML Data Storage Class: ForestHashtable
attribute to a chat element.We will also try using it to allow a chat host to change the
rating of a guest ina chat.
Warning
The ...
changeChatActorRating()
Method” in Chapter 8,
a chat host has commands available to raise or lower the rating of any guest in the
“current” chat. (That functionality will later be extended to allow any...
... previous
status, else warn and ask again
// 3. if actor was in it, always join as guest, else warn
and ask again
// All these choices can be modified re
actorRestartingCurrentChat value
// For now, we implement ... {
if(haveChatItem) {
boolean actorIsHostInChat = false;
boolean actorIsGuestInChat = false;
boolean actorWillRejoinChat = false;
// See if chatItem (i.e., subject+topic) exists already as
a chat:
chatNodeKeyKey ... behavior of “visitor starts
chat” when chat exists
// 1. always warn user and ask again for new subject
and/or new topic
// 2 if actor was in it, always join with previous
status, else warn and...