java applet security settings have blocked a local application from running

... devices. Because Java objects are loaded dynamically, Java ensures that the objects are "trusted." Java& apos;s class security mechanism makes sure that your applications are using the ... Government and Security We have all heard that Java is a "secure" programming language. What exactly does that mean? In this chapter, we discuss the unique features of Java that make it ... the application writer really wants to allow certain operations. Java 1.2 Security Policies New to Java with the release of Java 1.2 is a methodology that provides a much finer- grained approach...

Ngày tải lên: 29/09/2013, 08:20

... de/tarent/forum/TransformTag .java -d /classes javac de/tarent/forum/NodeKey .java -d /classes javac de/tarent/forum/BonNode .java -d /classes javac -classpath “.;c:\jakarta-tomcat\lib\servlet.jar;” ➥ de/tarent/forum/ForestHashtable .java ... “.;c:\jakarta-tomcat\lib\servlet.jar;” ➥ de/tarent/forum/OutputChatMessagesTag .java -d /classes javac -classpath “.;c:\jakarta-tomcat\lib\servlet.jar;” ➥ de/tarent/forum/OutputDebugInfoTag .java -d /classes javac -classpath “.;c:\jakarta-tomcat\lib\servlet.jar;” ➥ de/tarent/forum/NoCacheHeaderTag .java ... “.;c:\jakarta-tomcat\lib\servlet.jar;” ➥ de/tarent/forum/ForestHashtable .java -d /classes javac -classpath “.;c:\jakarta-tomcat\lib\servlet.jar;” ➥ de/tarent/forum/BonForumStore .java -d /classes javac -classpath “.;c:\jakarta-tomcat\lib\servlet.jar;” ➥ de/tarent/forum/BonForumEngine.java...

Ngày tải lên: 14/12/2013, 22:15

... 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 ... now have a new Web application installed. As the chess saying goes, “the rest is all a matter of details.”You have what you need: an example of a Java servlet calling a JSP page, and an example...

Ngày tải lên: 14/12/2013, 22:15

... 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 ... environments. 5.4 XML Data Flows in Web Applications We believe that passing XML data within a Web application will turn out to be as important as passing XML data between systems and applications.The latter ... 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...

Ngày tải lên: 14/12/2013, 22:15

... discussion about applet use in Java Web applications. First, we made an applet that included a timer mechanism based on putting a thread to sleep.We then set it up to repeatedly call the showDocument method ... 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 ... was to make sure that any input that came from a user could be used as an XML attribute value.The example that prompted that (hopefully code-wide) precaution was the chatTopic attribute that...

Ngày tải lên: 14/12/2013, 22:15

... logic, by making one more variable available to each JSP-produced page of a bonForum instance. The incoming request parameters are validated and made available to the Web application in whatever ... the applet parameters right on the _robot page? Using the same target parameter as we did in the last section as an example, that would mean doing this: <jsp:param name=”target” value=”display”/> The ... flow—and that hopefully have self-explanatory names: boolean haveSubject = true; boolean haveTopic = true; boolean actorIsHostInChat = false; boolean actorIsGuestInChat = false; boolean chatExistsForSubjectAndTopic...

Ngày tải lên: 14/12/2013, 22:15

... there are two such XSLT classes, one for Xalan -Java 1 and one for Xalan- Java 2. Simplifying greatly, here are the statements called by the TransformTag class to get its XML database in a string: private ... source: if(haveSubject && haveTopic) { String fakeChatItem = chatSubject + “_[“; fakeChatItem = fakeChatItem + chatTopic + “]”; // ‘_’ is separator in a chatItem // ‘.’ is separator in pathNameHashtable ... this watermark. 279 8.2 The BonForumStore Class object.That means that all the pathnames are available again but are sorted alphabeti- cally.The code on a JSP document likes it that way. The...

Ngày tải lên: 14/12/2013, 22:15

... will assume as it translates the tag that these variables are available as page attributes. Later, when we look at the translated Java code for a Tag Handler instance, you can see where the value ... the applet was refreshing data from the bonForumXML database? When the timer thread in the applet was sleeping, we saw the applet panel as a green rectangle.When the applet was about to awaken, ... visible. In fact, several multi- media output capabilities are made available to the code in an applet. You can develop one of those Web applets that make Java famous! We have used the paint() method...

Ngày tải lên: 14/12/2013, 22:15

... 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 ... version from the form on 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, ... OutputPathNamesTag class (stripped of its Javadoc comments, to save space): package de.tarent.forum; import java. util.*; import javax.servlet.jsp.*; import javax.servlet.jsp.tagext.*; /** Outputs pathNames...

Ngày tải lên: 14/12/2013, 22:15

... created by the following statement from the file ForestHashtable .java: public NodeNameHashtable nodeNameHashtable = new NodeNameHashtable(); Notice that a class called NodeNameHashtable has ... 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 in a chat. Warning The ... watermark. 402 Chapter 11 XML Data Storage Class: ForestHashtable pathNames are allowed in this tree of subjects.This means, for example, that you cannot have two sibling nodes named Piranha or...

Ngày tải lên: 14/12/2013, 22:15

... /classes javac de/tarent/forum/BonNode .java -d /classes javac -classpath “.;c:\jakarta-tomcat\lib\servlet.jar;” de/tarent/forum/ForestHashtable .java -d /classes javac -classpath “.;c:\jakarta-tomcat\lib\servlet.jar;” de/tarent/forum/BonForumStore .java ... “.;c:\jakarta-tomcat\lib\servlet.jar;” de/tarent/forum/NoCacheHeaderTag .java -d /classes javac -classpath “.;c:\xalan-j_1_2_2\xalan.jar;c:\xalan- j_1_2_2\xerces.jar;c:\jakarta-tomcat\lib\servlet.jar;” de/tarent/forum/Xalan1Transformer .java -d /classes javac -classpath ... /classes javac de/tarent/forum/BonLogger .java -d /classes javac -classpath “.;c:\jakarta-tomcat\lib\servlet.jar;” de/tarent/forum/BonForumTagExtraInfo .java -d /classes javac -classpath “.;c:\jakarta-tomcat\lib\servlet.jar;” de/tarent/forum/OutputPathNamesTag.java...

Ngày tải lên: 24/12/2013, 07:17

... Filename: Projects\bonForum\src\ BonForumRobot .java /*<Imports>*/ import java. io.*; import java. net.*; import java. util.*; import java. applet. *; import java. awt.Font; import java. awt.Color; import ... java. util.ArrayList; import java. util.Iterator; import java. util.Enumeration; import java. util.TreeMap; import java. util.Hashtable; //import javax.servlet.*; import javax.servlet.http.*; import org.w3c.dom.Attr; import ... Filename: Projects\bonForum\src\de\ tarent\forum\BonForumEngine .java package de.tarent.forum; /*<Imports>*/ import java. io.*; import java. util.Hashtable; import javax.servlet.*; import javax.servlet.http.*; /*</Imports>*/ /**...

Ngày tải lên: 24/12/2013, 07:17

... Projects\bonForum\src\de\ tarent\forum\ForestHashtable .java package de.tarent.forum; /*<Imports>*/ import java. io.*; import java. util.Iterator; import java. util.Enumeration; import java. util.Hashtable; import java. util.ArrayList; import ... = (String)session.getAttribute(“chatMessagesNavigator”); if(!navigation.equals(“same”) && !navigation.equals(“first”) && !navigation.equals(“previous”) && !navigation.equals(“next”) && !navigation.equals(“last”)) ... bonNode.nodeKey; // LATER: pass option2 to pathNameFromNodeKey to replace all but last nodeName with nbsp, for example // LATER: pass option3 to pathNameFromNodeKey as the separator String pathName = pathNameFromNodeKey(nodeKey,...

Ngày tải lên: 24/12/2013, 07:17

... de.tarent.forum; /*<Imports>*/ import java. text.*; import java. io.*; import java. net.*; import java. util.*; import javax.servlet.jsp.*; import javax.servlet.jsp.tagext.*; // Imported TraX classes import javax.xml.transform.TransformerFactory; import ... javax.xml.transform.TransformerFactory; import javax.xml.transform.Transformer; import javax.xml.transform.stream.StreamSource; import javax.xml.transform.stream.StreamResult; import javax.xml.transform.TransformerException; import ... select an XSLT processor. * Currently, three values: “Xalan Java 1”, “Xalan Java 2”, or “xalanVersion”. * If type is “xalanVersion”, the tag object looks for an application * attribute of the same...

Ngày tải lên: 24/12/2013, 07:17

... (String)session.getAttribute(“actorNicknameNotAvailable”); if(!actorNicknameNotAvailable.equals(“”)) { actorNicknameNotAvailable = “Please try another nickname. “ + actorNicknameNotAvailable + “ is not available! ... available! “ ; } if(actorNicknameNotAvailable == null) { actorNicknameNotAvailable = “”; } } catch (java. lang.NullPointerException ex) { actorNicknameNotAvailable = “”; } %> <html> <head> <meta ... “”; } if(xalanVersion.equals(“”)) { xalanVersion = “Xalan -Java 1”; pageContext.setAttribute(“xalanVersion”, “Xalan -Java 1”, 4); } %> <%— Here, we get access to normalize method: —%> <jsp:useBean id=”bonForumUtils”...

Ngày tải lên: 24/12/2013, 07:17

Ngày tải lên: 24/12/2013, 07:17

Ngày tải lên: 24/12/2013, 07:17

Ngày tải lên: 21/01/2014, 06:20

Ngày tải lên: 13/02/2014, 03:20

Ngày tải lên: 13/02/2014, 17:23