com.github.structlogging.processor

Class LogInvocationScanner

java.lang.Object

com.sun.source.util.TreeScanner<R,P>

com.sun.source.util.TreePathScanner<Object,ScannerParams>

com.github.structlogging.processor.LogInvocationScanner

All Implemented Interfaces:

com.sun.source.tree.TreeVisitor<Object,ScannerParams>

public class LogInvocationScanner
extends com.sun.source.util.TreePathScanner<Object,ScannerParams>

TreePathScanner which takes care of structured log statements replacement

Constructor Summary

Constructors

Constructor and Description
LogInvocationScanner(HashMap<TypeMirror,VariableContextProvider> varsHashMap, Map<Name,StructLoggerFieldContext> fields, ProcessingEnvironment processingEnvironment, Set<GeneratedClassInfo> generatedClassesNames)

Method Summary

Modifier and Type	Method and Description
Object	visitExpressionStatement(com.sun.source.tree.ExpressionStatementTree node, ScannerParams scannerParams) Checks expressions, if expression is method call on StructLogger field, it is considered structured log statement and is expression is transformed in such way, that method chain is replaced with one call to corresponding infoEvent, errorEvent,...

Methods inherited from class com.sun.source.util.TreePathScanner

getCurrentPath, scan, scan

Methods inherited from class com.sun.source.util.TreeScanner

reduce, scan, visitAnnotatedType, visitAnnotation, visitArrayAccess, visitArrayType, visitAssert, visitAssignment, visitBinary, visitBlock, visitBreak, visitCase, visitCatch, visitClass, visitCompilationUnit, visitCompoundAssignment, visitConditionalExpression, visitContinue, visitDoWhileLoop, visitEmptyStatement, visitEnhancedForLoop, visitErroneous, visitForLoop, visitIdentifier, visitIf, visitImport, visitInstanceOf, visitIntersectionType, visitLabeledStatement, visitLambdaExpression, visitLiteral, visitMemberReference, visitMemberSelect, visitMethod, visitMethodInvocation, visitModifiers, visitNewArray, visitNewClass, visitOther, visitParameterizedType, visitParenthesized, visitPrimitiveType, visitReturn, visitSwitch, visitSynchronized, visitThrow, visitTry, visitTypeCast, visitTypeParameter, visitUnary, visitUnionType, visitVariable, visitWhileLoop, visitWildcard

Methods inherited from class java.lang.Object

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

Constructor Detail

LogInvocationScanner

public LogInvocationScanner(HashMap<TypeMirror,VariableContextProvider> varsHashMap,
                            Map<Name,StructLoggerFieldContext> fields,
                            ProcessingEnvironment processingEnvironment,
                            Set<GeneratedClassInfo> generatedClassesNames)
                     throws IOException,
                            PackageNameException

Throws:

IOException

PackageNameException

Method Detail

visitExpressionStatement

public Object visitExpressionStatement(com.sun.source.tree.ExpressionStatementTree node,
                                       ScannerParams scannerParams)

Checks expressions, if expression is method call on StructLogger field, it is considered structured log statement and is expression is transformed in such way, that method chain is replaced with one call to corresponding infoEvent, errorEvent,... method with instance of generated class of Event based on method chain

Specified by:

visitExpressionStatement in interface com.sun.source.tree.TreeVisitor<Object,ScannerParams>

Overrides:

visitExpressionStatement in class com.sun.source.util.TreeScanner<Object,ScannerParams>