com.newrelic.agent.instrumentation

Class PointCutClassTransformer

java.lang.Object

com.newrelic.agent.instrumentation.PointCutClassTransformer

All Implemented Interfaces:

ContextClassTransformer

public class PointCutClassTransformer
extends java.lang.Object
implements ContextClassTransformer

Class transformer for legacy instrumentation. Instrumentation points are defined through PointCuts. Certain classes are always skipped based on their full class name.

See Also:

ClassNameFilter

Field Summary

Fields

Modifier and Type	Field and Description
protected java.util.Collection<PointCut>	pointcuts

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	PointCutClassTransformer(InstrumentationProxy pInstrumentation, boolean pRetransformSupported)

Method Summary

Modifier and Type	Method and Description
static boolean	canModifyClassStructure(java.lang.ClassLoader classLoader, java.lang.Class<?> classBeingRedefined)
java.lang.reflect.InvocationHandler	evaluate(java.lang.Class clazz, TracerService tracerService, java.lang.Object className, java.lang.Object methodName, java.lang.Object methodDesc, boolean ignoreApdex, java.lang.Object[] args)
ClassNameFilter	getClassNameFilter()
protected int	getClassReaderFlags()
ClassMatchVisitorFactory	getMatcher()
java.util.Collection<PointCut>	getPointcuts()
protected com.newrelic.agent.instrumentation.PointCutClassTransformer.WeavingLoaderImpl	getWeavingLoader(java.lang.ClassLoader loader)
protected com.newrelic.agent.instrumentation.PointCutClassTransformer.WeavingLoaderImpl	getWeavingLoader(java.lang.ClassLoader loader, boolean pIsRetrans)
static boolean	hasBeenLoaded(java.lang.Class<?> clazz)
protected boolean	isExcluded(java.lang.String className)
protected boolean	isIncluded(java.lang.String className)
static boolean	isInstrumented(java.lang.Class<?> clazz)
static boolean	isInstrumentedAndModified(java.lang.Class<?> clazz)
protected boolean	isRetransformSupported() Gets the field retransformSupported.
static boolean	isValidClassName(java.lang.String className)
protected boolean	shouldTransform(java.lang.ClassLoader loader, java.lang.String className, byte[] classfileBuffer)
byte[]	transform(java.lang.ClassLoader loader, java.lang.String className, java.lang.Class<?> classBeingRedefined, java.security.ProtectionDomain protectionDomain, byte[] classfileBuffer, InstrumentationContext context, OptimizedClassMatcher.Match match)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

pointcuts

protected final java.util.Collection<PointCut> pointcuts

Constructor Detail

PointCutClassTransformer

protected PointCutClassTransformer(InstrumentationProxy pInstrumentation,
                                   boolean pRetransformSupported)

Method Detail

getMatcher

public ClassMatchVisitorFactory getMatcher()

getPointcuts

public java.util.Collection<PointCut> getPointcuts()

transform

public byte[] transform(java.lang.ClassLoader loader,
                        java.lang.String className,
                        java.lang.Class<?> classBeingRedefined,
                        java.security.ProtectionDomain protectionDomain,
                        byte[] classfileBuffer,
                        InstrumentationContext context,
                        OptimizedClassMatcher.Match match)
                 throws java.lang.instrument.IllegalClassFormatException

Specified by:

transform in interface ContextClassTransformer

Throws:

java.lang.instrument.IllegalClassFormatException

shouldTransform

protected boolean shouldTransform(java.lang.ClassLoader loader,
                                  java.lang.String className,
                                  byte[] classfileBuffer)

isIncluded

protected boolean isIncluded(java.lang.String className)

isExcluded

protected boolean isExcluded(java.lang.String className)

isRetransformSupported

protected boolean isRetransformSupported()

Gets the field retransformSupported.

Returns:

the retransformSupported

getClassReaderFlags

protected int getClassReaderFlags()

getWeavingLoader

protected com.newrelic.agent.instrumentation.PointCutClassTransformer.WeavingLoaderImpl getWeavingLoader(java.lang.ClassLoader loader)

getWeavingLoader

protected com.newrelic.agent.instrumentation.PointCutClassTransformer.WeavingLoaderImpl getWeavingLoader(java.lang.ClassLoader loader,
                                                                                                         boolean pIsRetrans)

getClassNameFilter

public final ClassNameFilter getClassNameFilter()

evaluate

public java.lang.reflect.InvocationHandler evaluate(java.lang.Class clazz,
                                                    TracerService tracerService,
                                                    java.lang.Object className,
                                                    java.lang.Object methodName,
                                                    java.lang.Object methodDesc,
                                                    boolean ignoreApdex,
                                                    java.lang.Object[] args)

isInstrumented

public static boolean isInstrumented(java.lang.Class<?> clazz)

isInstrumentedAndModified

public static boolean isInstrumentedAndModified(java.lang.Class<?> clazz)

canModifyClassStructure

public static boolean canModifyClassStructure(java.lang.ClassLoader classLoader,
                                              java.lang.Class<?> classBeingRedefined)

hasBeenLoaded

public static boolean hasBeenLoaded(java.lang.Class<?> clazz)

isValidClassName

public static boolean isValidClassName(java.lang.String className)