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How to use isAgentJar method of org.evomaster.client.java.instrumentation.external.JarAgentLocator class

Best EvoMaster code snippet using org.evomaster.client.java.instrumentation.external.JarAgentLocator.isAgentJar

Source:JarAgentLocator.java

...39        }40        return jarFilePath;41    }42    //----------------------------------------------------------------------------------43    private static boolean isAgentJar(String path) throws IllegalArgumentException{44        if(path.endsWith("classes")){45			/*46				we need to treat this specially:47				eg, Jenkins/Maven on Linux on a module with only tests ended up48				with not creating "target/classes" (it does on Mac though) but still putting49				it on the classpath50			 */51            return false;52        }53        File file = new File(path);54        if(!file.exists()){55            throw new IllegalArgumentException("Non-existing file "+path);56        }57        String name = file.getName();58        if(name.toLowerCase().contains("evomaster") &&59                name.endsWith(".jar")){60            try (JarFile jar = new JarFile(file)){61                Manifest manifest = jar.getManifest();62                if(manifest == null){63                    return false;64                }65                Attributes attributes = manifest.getMainAttributes();66                String premain = attributes.getValue("Premain-Class");67                if(premain == null || premain.isEmpty()){68                    return false;69                }70                String agentClass = attributes.getValue("Agent-Class");71                String agent = InstrumentingAgent.class.getName(); // this is hardcoded in the pom.xml file72                if(agentClass != null && agentClass.trim().equalsIgnoreCase(agent)){73                    return true;74                }75            } catch (IOException e) {76                return false;77            }78        }79        return false;80    }81    private static String getFromProperty(){82        String path = System.getProperty("evomaster.instrumentation.jar.path");83        if(path == null){84            return null;85        }86        //if user specify a JAR path, but then it is invalid, then need to throw warning87        if(! isAgentJar(path)){88            throw new IllegalStateException("Specified instrumenting jar file is invalid");89        }90        return path;91    }92    private static String searchInAClassPath(String classPath){93        String[] tokens = classPath.split(File.pathSeparator);94        for(String entry : tokens){95            if(entry==null || entry.isEmpty()){96                continue;97            }98            if(isAgentJar(entry)){99                return entry;100            }101        }102        return null;103    }104    private static String searchInCurrentClassLoaderIfItProvidesClasspathAPI(){105        /*106            this could happen for AntClassLoader.107            Note: we cannot use instanceof here, as we do not want to add further third-party dependencies108         */109        ClassLoader loader = JarAgentLocator.class.getClassLoader();110        while(loader != null){111            try {112                Method m = loader.getClass().getMethod("getClasspath");113                String classPath = (String) m.invoke(loader);114                String jar = searchInAClassPath(classPath);115                if(jar != null){116                    return jar;117                }118            } catch (Exception e) {119                //OK, this can happen, not really an error120            }121            loader = loader.getParent();122        }123        return null;124    }125    private static String searchInCurrentClassLoaderIfUrlOne() {126        Set<URI> uris = new HashSet<>();127        ClassLoader loader = JarAgentLocator.class.getClassLoader();128        while(loader != null){129            if(loader instanceof URLClassLoader){130                URLClassLoader urlLoader = (URLClassLoader) loader;131                for(URL url : urlLoader.getURLs()){132                    try {133                        URI uri = url.toURI();134                        uris.add(uri);135                        File file = new File(uri);136                        String path = file.getAbsolutePath();137                        if(isAgentJar(path)){138                            return path;139                        }140                    } catch (Exception e) {141                        SimpleLogger.error("Error while parsing URL "+url);142                        continue;143                    }144                }145            }146            loader = loader.getParent();147        }148        String msg = "Failed to find Agent jar in current classloader. URLs of classloader:";149        for(URI uri : uris){150            msg += "\n"+uri.toString();151        }152        SimpleLogger.warn(msg);153        return null;154    }155    private static String searchInFolder(String folder) {156        File target = new File(folder);157        if(!target.exists()){158            SimpleLogger.debug("No target folder "+target.getAbsolutePath());159            return null;160        }161        if(!target.isDirectory()){162            SimpleLogger.debug("'target' exists, but it is not a folder");163            return null;164        }165        for(File file : target.listFiles()){166            String path = file.getAbsolutePath();167            if(isAgentJar(path)){168                return path;169            }170        }171        return null;172    }173}...

isAgentJar

Using AI Code Generation

1import org.evomaster.client.java.instrumentation.external.JarAgentLocator;2public class Example {3    public static void main(String[] args) {4        JarAgentLocator locator = new JarAgentLocator();5        boolean isAgentJar = locator.isAgentJar();6        System.out.println("Is agent jar? " + isAgentJar);7    }8}9If you want to use EvoMaster as a library, and thus to use the isAgentJar() method in your own code, you will need to add the following dependency to your pom.xml file:10< dependency > < groupId >org.evomaster</ groupId > < artifactId >client-java-instrumentation</ artifactId > < version >${evomaster.version}</ version > </ dependency >11The following code snippet shows how to use the isAgentJar() method in your own code:12import org.evomaster.client.java.instrumentation.external.JarAgentLocator;13public class Example {14    public static void main(String[] args) {15        JarAgentLocator locator = new JarAgentLocator();16        boolean isAgentJar = locator.isAgentJar();17        System.out.println("Is agent jar? " + isAgentJar);18    }19}

isAgentJar

Using AI Code Generation

1import org.evomaster.client.java.instrumentation.external.JarAgentLocator;2public class EvoMasterExample {3    public static void main(String[] args) {4        if (JarAgentLocator.isAgentJar()) {5            System.out.println("EvoMaster is active");6        } else {7            System.out.println("EvoMaster is NOT active");8        }9    }10}

isAgentJar

Using AI Code Generation

1import org.evomaster.client.java.instrumentation.external.JarAgentLocator;2public class EvoMasterExample {3    public static void main(String[] args) {4        if (JarAgentLocator.isAgentJar()) {5            System.out.println("EvoMaster is active");6        } else {7            System.out.println("EvoMaster is NOT active");8        }9    }10}

isAgentJar

Using AI Code Generation

1import org.evomaster.client.java.instrumentation.external.JarAgentLocator;2public class Foo {3    public static void main(String[] args) {4        if (JarAgentLocator.isAgentJar()) {5            System.out.println("Agent is active");6        } else {7            System.out.println("Agent is NOT active");8        }9    }10}112. As a javaagent, but only for specific classes (e.g., the ones in the package com.foo.bar): java -javaagent:evomaster.jar=com.foo.bar -jar my.jar123. As a javaagent, but only for specific classes (e.g., the ones in the package com.foo.bar): java -javaagent:evomaster.jar=com.foo.bar -jar my.jar13If you want to use the agent only for specific classes (e.g., the ones in the package com.foo.bar), you can specify it in the command line as follows:14If you want to use the agent only for specific classes (e.g., the ones in the package com.foo.bar), you can specify it in the command line as follows:15If you want to use the agent only for specific classes (e.g., the ones in the package com.foo.bar), you can specify it in the command line as follows:16If you want to use the agent only for specific classes (e.g., the ones in the package com.foo.bar), you can specify it in the command line as follows:17If you want to use the agent only for specific classes (e.g., the ones in the package com.foo.bar), you can specify it in the command line as follows:18If you want to use the agent only for specific classes (e.g., the ones in the package com.foo.bar), you can specify it in the command line as follows:

isAgentJar

Using AI Code Generation

1import java.lang.instrument.Instrumentation;2import org.evomaster.client.java.instrumentation.external.JarAgentLocator;3public class Main {4    public static void premain(String agentArgs, Instrumentation inst) {5        if (JarAgentLocator.isAgentJar()) {6            System.out.println("EvoMaster agent is enabled");7        } else {8            System.out.println("EvoMaster agent is not enabled");9        }10    }11}

isAgentJar

Using AI Code Generation

1import org.evomaster.client.java.instrumentation.external.JarAgentLocator;2public class Main {3    public static void main(String[] args) throws Exception {4        String jar = JarAgentLocator.locateAgentJar();5        JarAgentLocator.loadAgentJar(jar);6    }7}

isAgentJar

Using AI Code Generation

1import org.evomaster.client.java.instrumentation.external.JarAgentLocator;2public class Main {3    public static void main(String[] args) throws Exception {4        String jar = JarAgentLocator.locateAgentJar();5        JarAgentLocator.loadAgentJar(jar);6    }7}

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