<%@ page contentType="text/html; charset=utf-8"
import="java.io.InputStream,
java.io.IOException,
javax.xml.parsers.SAXParser,
java.lang.reflect.*,
javax.xml.parsers.SAXParserFactory"
session="false" %>
<%
/*
* Copyright 2002,2004,2005 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
%>
<%!
/*
* Happiness tests for axis. These look at the classpath and warn if things
* are missing. Normally addng this much code in a JSP page is mad
* but here we want to validate JSP compilation too, and have a drop-in
* page for easy re-use
* @author Steve 'configuration problems' Loughran
* @author dims
* @author Brian Ewins
*/
/**
* test for a class existing
* @param classname
* @return class iff present
*/
Class classExists(String classname) {
try {
return Class.forName(classname);
} catch (ClassNotFoundException e) {
return null;
}
}
/**
* test for resource on the classpath
* @param resource
* @return true iff present
*/
boolean resourceExists(String resource) {
boolean found;
InputStream instream=this.getClass().getResourceAsStream(resource);
found=instream!=null;
if(instream!=null) {
try {
instream.close();
} catch (IOException e) {
}
}
return found;
}
/**
* probe for a class, print an error message is missing
* @param out stream to print stuff
* @param category text like "warning" or "error"
* @param classname class to look for
* @param jarFile where this class comes from
* @param errorText extra error text
* @param homePage where to d/l the library
* @return the number of missing classes
* @throws IOException
*/
int probeClass(JspWriter out,
String category,
String classname,
String jarFile,
String description,
String errorText,
String homePage) throws IOException {
try {
Class clazz = classExists(classname);
if(clazz == null) {
String url="";
if(homePage!=null) {
url=getMessage("seeHomepage",homePage,homePage);
}
out.write(getMessage("couldNotFound",category,classname,jarFile,errorText,url));
return 1;
} else {
String location = getLocation(out, clazz);
if(location == null) {
out.write("
");
}
return 0;
}
} catch(NoClassDefFoundError ncdfe) {
String url="";
if(homePage!=null) {
url=getMessage("seeHomepage",homePage,homePage);
}
out.write(getMessage("couldNotFoundDep",category, classname, errorText, url));
out.write(getMessage("theRootCause",ncdfe.getMessage(), classname));
return 1;
}
}
/**
* get the location of a class
* @param out
* @param clazz
* @return the jar file or path where a class was found
*/
String getLocation(JspWriter out,
Class clazz) {
try {
java.net.URL url = clazz.getProtectionDomain().getCodeSource().getLocation();
String location = url.toString();
if(location.startsWith("jar")) {
url = ((java.net.JarURLConnection)url.openConnection()).getJarFileURL();
location = url.toString();
}
if(location.startsWith("file")) {
java.io.File file = new java.io.File(url.getFile());
return file.getAbsolutePath();
} else {
return url.toString();
}
} catch (Throwable t){
}
return getMessage("classFoundError");
}
/**
* a class we need if a class is missing
* @param out stream to print stuff
* @param classname class to look for
* @param jarFile where this class comes from
* @param errorText extra error text
* @param homePage where to d/l the library
* @throws IOException when needed
* @return the number of missing libraries (0 or 1)
*/
int needClass(JspWriter out,
String classname,
String jarFile,
String description,
String errorText,
String homePage) throws IOException {
return probeClass(out,
""+getMessage("error")+"",
classname,
jarFile,
description,
errorText,
homePage);
}
/**
* print warning message if a class is missing
* @param out stream to print stuff
* @param classname class to look for
* @param jarFile where this class comes from
* @param errorText extra error text
* @param homePage where to d/l the library
* @throws IOException when needed
* @return the number of missing libraries (0 or 1)
*/
int wantClass(JspWriter out,
String classname,
String jarFile,
String description,
String errorText,
String homePage) throws IOException {
return probeClass(out,
""+getMessage("warning")+"",
classname,
jarFile,
description,
errorText,
homePage);
}
/**
* get servlet version string
*
*/
public String getServletVersion() {
ServletContext context=getServletConfig().getServletContext();
int major = context.getMajorVersion();
int minor = context.getMinorVersion();
return Integer.toString(major) + '.' + Integer.toString(minor);
}
/**
* what parser are we using.
* @return the classname of the parser
*/
private String getParserName() {
SAXParser saxParser = getSAXParser();
if (saxParser == null) {
return getMessage("couldNotCreateParser");
}
// check to what is in the classname
String saxParserName = saxParser.getClass().getName();
return saxParserName;
}
/**
* Create a JAXP SAXParser
* @return parser or null for trouble
*/
private SAXParser getSAXParser() {
SAXParserFactory saxParserFactory = SAXParserFactory.newInstance();
if (saxParserFactory == null) {
return null;
}
SAXParser saxParser = null;
try {
saxParser = saxParserFactory.newSAXParser();
} catch (Exception e) {
}
return saxParser;
}
/**
* get the location of the parser
* @return path or null for trouble in tracking it down
*/
private String getParserLocation(JspWriter out) {
SAXParser saxParser = getSAXParser();
if (saxParser == null) {
return null;
}
String location = getLocation(out,saxParser.getClass());
return location;
}
/**
* Check if class implements specified interface.
* @param Class clazz
* @param String interface name
* @return boolean
*/
private boolean implementsInterface(Class clazz, String interfaceName) {
if (clazz == null) {
return false;
}
Class[] interfaces = clazz.getInterfaces();
if (interfaces.length != 0) {
for (int i = 0; i < interfaces.length; i++) {
if (interfaces[i].getName().equals(interfaceName)) {
return true;
}
}
}
return false;
}
%>
<%@ include file="i18nLib.jsp" %>
<%
// initialize a private HttpServletRequest
setRequest(request);
// set a resouce base
setResouceBase("i18n");
%>
<%= getMessage("pageTitle") %>
<%
out.print("
"+ getMessage("pageTitle") +"
");
out.print("
"+ getMessage("pageRole") +"
");
%>
<%= getLocaleChoice() %>
<%
out.print("
"+ getMessage("neededComponents") +"
");
%>
<%
int needed=0,wanted=0;
/**
* the essentials, without these Axis is not going to work
*/
// need to check if the available version of SAAJ API meets requirements
String className = "javax.xml.soap.SOAPPart";
String interfaceName = "org.w3c.dom.Document";
Class clazz = classExists(className);
if (clazz == null || implementsInterface(clazz, interfaceName)) {
needed = needClass(out, "javax.xml.soap.SOAPMessage",
"saaj.jar",
"SAAJ API",
getMessage("criticalErrorMessage"),
"http://ws.apache.org/axis/");
} else {
String location = getLocation(out, clazz);
out.print(getMessage("invalidSAAJ",location));
out.print(getMessage("criticalErrorMessage"));
out.print(getMessage("seeHomepage","http://ws.apache.org/axis/java/install.html",getMessage("axisInstallation")));
out.print(" ");
}
needed+=needClass(out, "javax.xml.rpc.Service",
"jaxrpc.jar",
"JAX-RPC API",
getMessage("criticalErrorMessage"),
"http://ws.apache.org/axis/");
needed+=needClass(out, "org.apache.axis.transport.http.AxisServlet",
"axis.jar",
"Apache-Axis",
getMessage("criticalErrorMessage"),
"http://ws.apache.org/axis/");
needed+=needClass(out, "org.apache.commons.discovery.Resource",
"commons-discovery.jar",
"Jakarta-Commons Discovery",
getMessage("criticalErrorMessage"),
"http://jakarta.apache.org/commons/discovery/");
needed+=needClass(out, "org.apache.commons.logging.Log",
"commons-logging.jar",
"Jakarta-Commons Logging",
getMessage("criticalErrorMessage"),
"http://jakarta.apache.org/commons/logging/");
needed+=needClass(out, "org.apache.log4j.Layout",
"log4j-1.2.8.jar",
"Log4j",
getMessage("uncertainErrorMessage"),
"http://jakarta.apache.org/log4j");
//should we search for a javax.wsdl file here, to hint that it needs
//to go into an approved directory? because we dont seem to need to do that.
needed+=needClass(out, "com.ibm.wsdl.factory.WSDLFactoryImpl",
"wsdl4j.jar",
"IBM's WSDL4Java",
getMessage("criticalErrorMessage"),
null);
needed+=needClass(out, "javax.xml.parsers.SAXParserFactory",
"xerces.jar",
"JAXP implementation",
getMessage("criticalErrorMessage"),
"http://xml.apache.org/xerces-j/");
needed+=needClass(out,"javax.activation.DataHandler",
"activation.jar",
"Activation API",
getMessage("criticalErrorMessage"),
"http://java.sun.com/products/javabeans/glasgow/jaf.html");
%>
<%
out.print("
"+ getMessage("optionalComponents") +"
");
%>
<%
/*
* now the stuff we can live without
*/
wanted+=wantClass(out,"javax.mail.internet.MimeMessage",
"mail.jar",
"Mail API",
getMessage("attachmentsError"),
"http://java.sun.com/products/javamail/");
wanted+=wantClass(out,"org.apache.xml.security.Init",
"xmlsec.jar",
"XML Security API",
getMessage("xmlSecurityError"),
"http://xml.apache.org/security/");
wanted += wantClass(out, "javax.net.ssl.SSLSocketFactory",
"jsse.jar or java1.4+ runtime",
"Java Secure Socket Extension",
getMessage("httpsError"),
"http://java.sun.com/products/jsse/");
/*
* resources on the classpath path
*/
/* add more libraries here */
%>
<%
out.write("
");
//is everythng we need here
if(needed==0) {
//yes, be happy
out.write(getMessage("happyResult00"));
} else {
//no, be very unhappy
response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
out.write(getMessage("unhappyResult00",Integer.toString(needed)));
}
//now look at wanted stuff
if(wanted>0) {
out.write(getMessage("unhappyResult01",Integer.toString(wanted)));
} else {
out.write(getMessage("happyResult01"));
}
out.write("
");
%>
<%
//hint if anything is missing
if(needed>0 || wanted>0 ) {
out.write(getMessage("hintString"));
}
out.write(getMessage("noteString"));
%>
