I'm using a Java library to list all files/directory in a remote http URL:
import java.io.IOException;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
public class Sample {
public static void main(String[] args) throws IOException {
Document doc = Jsoup.connect("http://howto.unixdev.net").get();
for (Element file : doc.select("td.right td a")) {
System.out.println(file.attr("href"));
}
}
}
I'd need to do the equivalent thing with a Groovy script (as part of a Jenkins job) but I couldn't find any example of it, except for file system listing. Any help?
Thanks!
Related
I want to write to log inside static class in Groovy in JMeter. I can print to terminal inside and outside of class with println or System.out.println. How to do the trick with log? In code below all works except log.warn inside class, give error:
Script53.groovy: 13: Apparent variable 'log' was found in a static scope but doesn't refer to a local variable, static field or class. Possible causes:
You attempted to reference a variable in the binding or an instance variable from a static context.
You misspelled a classname or statically imported field. Please check the spelling.
You attempted to use a method 'log' but left out brackets in a place not allowed by the grammar.
Code:
import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;
class CalcMain {
static void main(def args) throws Exception {
ScriptEngineManager factory = new ScriptEngineManager();
ScriptEngine engine = factory.getEngineByName("groovy");
println ("testing 1");
System.out.println ("testing 2");
log.warn("warn2");
}
}
OUT.println("testing 4");
println("testing 5");
log.warn("warn 1");
CalcMain test1 = new CalcMain();
test1.main();
I tried web search but could not find an answer.
You can use Groovy #Log4j annotation:
import groovy.util.logging.Log4j
#Log4j
class CalcMain {
static void main(def args) throws Exception {
// some code
log.info "hello there"
}
}
Another option is to send log as parameter to static method:
static void main(org.slf4j.Logger log) throws Exception {
Call method:
test1.main(log);
I've read https://www.blazemeter.com/blog/top-8-jmeter-java-classes-you-should-be-using-with-groovy/ where it is advised to use log variable but also gives link to Logger class. I've tried to play with Logger class and it works:
import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
class CalcMain {
static void main(def args) throws Exception {
ScriptEngineManager factory = new ScriptEngineManager();
ScriptEngine engine = factory.getEngineByName("groovy");
final Logger logger = LoggerFactory.getLogger(CalcMain.class);
logger.warn("My warning");
}
}
CalcMain test1 = new CalcMain();
test1.main();
I am new to ASM. I have a class file in which I have runtime visible annotations for methods. I want to parse this class file and select the annotation according to specific criteria. I looked into the documentation of ASM and tried with the visibleAnnotation. I can't seem to print the list of annotations of method which I can see in my class files.
My code is as
import java.io.FileInputStream;
import java.io.InputStream;
import java.util.Iterator;
import org.objectweb.asm.tree.AnnotationNode;
import org.objectweb.asm.tree.ClassNode;
import org.objectweb.asm.tree.MethodNode;
import org.objectweb.asm.ClassReader;
public class ByteCodeParser {
public static void main(String[] args) throws Exception{
InputStream in=new FileInputStream("sample.class");
ClassReader cr=new ClassReader(in);
ClassNode classNode=new ClassNode();
//ClassNode is a ClassVisitor
cr.accept(classNode, 0);
//
Iterator<MethodNode> i = classNode.methods.iterator();
while(i.hasNext()){
MethodNode mn = i.next();
System.out.println(mn.name+ "" + mn.desc);
System.out.println(mn.visibleAnnotations);
}
}
}
The output is:
<clinit>()V
null
<init>()V
null
MyRandomFunction1()V
[org.objectweb.asm.tree.AnnotationNode#5674cd4d]
MyRandomFunction2()V
[org.objectweb.asm.tree.AnnotationNode#63961c42]
My RandomFunction 1 & 2 has annotations but I can't seem to understand [org.objectweb.asm.tree.AnnotationNode#5674cd4d].
I solved this issue myself, I had to iterate over the annotations which I didn't realize initally.
if (mn.visibleAnnotations != null) {
Iterator<AnnotationNode>j=mn.visibleAnnotations.iterator();
while (j.hasNext()) {
AnnotationNode an=j.next();
System.out.println(an.values);
}
}
I want to print failure string on console. I am using following code.
import org.junit.runner.JUnitCore;
import org.junit.runner.Result;
import org.junit.runner.notification.Failure;
public class MyTestRunner {
public static void main(String[] args) {
Result result = JUnitCore.runClasses(MyClassTest.class);
for (Failure failure : result.getFailures()) {
System.out.println(failure.toString());
}
}
}
I get correct failure string when I execute above code in eclipse but when I tried to execute in Linux I got following
testSet1(PlatformPrinter): org.apache.xerces.dom.DeferredElementImpl.getTextContent()Ljava/lang/String;
I have quite big JSF 1.2 project and I want to write some integration tests to it.
The perfect situation will be, when I can run these tests from my project and it opens my browser and makes all the actions (with Selenium), which are written in my test cases. Ofc opening browser is not required when It will run these tests anyway :)
I've tried a few possibilities, anyway I still can't attach any selenium library to my project and I realized that I just dont know where to start - can you give me some direction?
might help you ,
you can write you test logic inside test method
package com.test;
import org.junit.After;
import org.junit.Before;
import org.junit.Ignore;
import org.junit.Test;
import org.openqa.selenium.By;
import org.openqa.selenium.NoSuchElementException;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.chrome.ChromeDriver;
import java.util.concurrent.TimeUnit;
import static org.junit.Assert.fail;
public class test1 {
private WebDriver driver;
private String baseUrl;
private StringBuffer verificationErrors = new StringBuffer();
#Before
public void setUp() throws Exception {
driver = new InternetExplorerDriver();
driver = new ChromeDriver();
baseUrl = "http://www.google.com";
driver.manage().timeouts().implicitlyWait(30, TimeUnit.SECONDS);
}
#Ignore
#Test
public void test1() throws Exception {
// your test code
}
#After
public void tearDown() throws Exception {
driver.quit();
String verificationErrorString = verificationErrors.toString();
if (!"".equals(verificationErrorString)) {
fail(verificationErrorString);
}
}
private boolean isElementPresent(By by) {
try {
driver.findElement(by);
return true;
} catch (NoSuchElementException e) {
return false;
}
}
}
you just need call test1 class which you want to test it .
it will be automatically working on it .
Please take a look at the test class below. I am trying to do an LDAP search with Spring LDAP Template. I am able to search and produce a list of entries corresponding to the search criteria without the Spring LDAP template by using the DirContext as shown in the method searchWithoutTemplate(). But when I use a LdapTemplate, I end up with a NPE as shown further below. I am sure I must be missing something. Can someone help please?
import java.util.Hashtable;
import javax.naming.Context;
import javax.naming.NamingEnumeration;
import javax.naming.NamingException;
import javax.naming.directory.Attribute;
import javax.naming.directory.Attributes;
import javax.naming.directory.DirContext;
import javax.naming.directory.InitialDirContext;
import javax.naming.directory.SearchControls;
import javax.naming.directory.SearchResult;
import javax.naming.ldap.LdapName;
import org.springframework.ldap.core.AttributesMapper;
import org.springframework.ldap.core.LdapTemplate;
import org.springframework.ldap.core.support.DefaultDirObjectFactory;
import org.springframework.ldap.core.support.LdapContextSource;
public class LDAPSearchTest {
//bind params
static String url="ldap://<IP>:<PORT>";
static String userName="cn=Directory Manager";
static String password="password123";
static String bindDN="dc=XXX,dc=com";
//search params
static String base = "ou=StandardUser,ou=XXXCustomers,ou=People,dc=XXX,dc=com";
static String filter = "(objectClass=*)";
static String[] attributeFilter = { "cn", "uid" };
static SearchControls sc = new SearchControls();
public static void main(String[] args) throws Exception {
// sc.setSearchScope(SearchControls.SUBTREE_SCOPE);
sc.setReturningAttributes(attributeFilter);
searchWithTemplate(); //NPE
//searchWithoutTemplate(); //works fine
}
public static void searchWithTemplate() throws Exception {
DefaultDirObjectFactory factory = new DefaultDirObjectFactory();
LdapContextSource cs = new LdapContextSource();
cs.setUrl(url);
cs.setUserDn(userName);
cs.setPassword(password);
cs.setBase(bindDN);
cs.setDirObjectFactory(factory.getClass ());
LdapTemplate template = new LdapTemplate(cs);
template.afterPropertiesSet();
System.out.println((template.search(new LdapName(base), filter, sc,
new AttributesMapper() {
public Object mapFromAttributes(Attributes attrs)
throws NamingException {
System.out.println(attrs);
return attrs.get("uid").get();
}
})));
}
public static void searchWithoutTemplate() throws NamingException{
Hashtable env = new Hashtable(11);
env.put(Context.INITIAL_CONTEXT_FACTORY,"com.sun.jndi.ldap.LdapCtxFactory");
env.put(Context.PROVIDER_URL, url);
//env.put(Context.SECURITY_AUTHENTICATION, "simple");
env.put(Context.SECURITY_PRINCIPAL, userName);
env.put(Context.SECURITY_CREDENTIALS, password);
DirContext dctx = new InitialDirContext(env);
NamingEnumeration results = dctx.search(base, filter, sc);
while (results.hasMore()) {
SearchResult sr = (SearchResult) results.next();
Attributes attrs = sr.getAttributes();
System.out.println(attrs);
Attribute attr = attrs.get("uid");
}
dctx.close();
}
}
Exception is:
Exception in thread "main" java.lang.NullPointerException
at org.springframework.ldap.core.support.AbstractContextSource.getReadOnlyContext(AbstractContextSource.java:125)
at org.springframework.ldap.core.LdapTemplate.search(LdapTemplate.java:287)
at org.springframework.ldap.core.LdapTemplate.search(LdapTemplate.java:237)
at org.springframework.ldap.core.LdapTemplate.search(LdapTemplate.java:588)
at org.springframework.ldap.core.LdapTemplate.search(LdapTemplate.java:546)
at LDAPSearchTest.searchWithTemplate(LDAPSearchTest.java:47)
at LDAPSearchTest.main(LDAPSearchTest.java:33)
I am using Spring 2.5.6 and Spring LDAP 1.3.0
A quick scan showed that it's the authenticationSource field of AbstractContextSource that is the culprit. That file includes the following comment on the afterPropertiesSet() method:
/**
* Checks that all necessary data is set and that there is no compatibility
* issues, after which the instance is initialized. Note that you need to
* call this method explicitly after setting all desired properties if using
* the class outside of a Spring Context.
*/
public void afterPropertiesSet() throws Exception {
...
}
That method then goes on to create an appropriate authenticationSource if you haven't provided one.
As your test code above is most definitely not running within a Spring context, and you haven't explicitly set an authenticationSource, I think you need to edit your code as follows:
...
cs.setDirObjectFactory(factory.getClass ());
// Allow Spring to configure the Context Source:
cs.afterPropertiesSet();
LdapTemplate template = new LdapTemplate(cs);