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feat(log): added log statements to gend autocfg (#1053)
* feat(log): added log statements to gend autocfg Added log statements and setup in autoconfig class. Some common methods were put in Util in case they have to be reused * fix(log): fixes from PR comments - added rest of logger statements (1 per if-statement) - used getExecutorThreadCount() to log number of threads - moved logging utils to its own class * fix(format): ran google_java_format * fix(test): updated goldens * fix: add license header to LoggerUtil
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src/main/java/com/google/api/generator/spring/utils/LoggerUtils.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,109 @@ | ||
| // Copyright 2022 Google LLC | ||
| // | ||
| // 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. | ||
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| package com.google.api.generator.spring.utils; | ||
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| import com.google.api.generator.engine.ast.ArithmeticOperationExpr; | ||
| import com.google.api.generator.engine.ast.AssignmentExpr; | ||
| import com.google.api.generator.engine.ast.Expr; | ||
| import com.google.api.generator.engine.ast.ExprStatement; | ||
| import com.google.api.generator.engine.ast.MethodInvocationExpr; | ||
| import com.google.api.generator.engine.ast.ScopeNode; | ||
| import com.google.api.generator.engine.ast.Statement; | ||
| import com.google.api.generator.engine.ast.TypeNode; | ||
| import com.google.api.generator.engine.ast.VaporReference; | ||
| import com.google.api.generator.engine.ast.Variable; | ||
| import com.google.api.generator.engine.ast.VariableExpr; | ||
| import java.util.Arrays; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.Optional; | ||
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| public class LoggerUtils { | ||
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| public static Statement getLoggerDeclarationExpr(String className, Map<String, TypeNode> types) { | ||
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| Variable loggerVar = Variable.builder().setName("LOGGER").setType(types.get("Log")).build(); | ||
| VariableExpr loggerExpr = | ||
| VariableExpr.builder() | ||
| .setVariable(loggerVar) | ||
| .setScope(ScopeNode.PRIVATE) | ||
| .setIsStatic(true) | ||
| .setIsFinal(true) | ||
| .setIsDecl(true) | ||
| .build(); | ||
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| MethodInvocationExpr loggerValueExpr = | ||
| MethodInvocationExpr.builder() | ||
| .setStaticReferenceType(types.get("LogFactory")) | ||
| .setMethodName("getLog") | ||
| .setArguments( | ||
| VariableExpr.builder() | ||
| .setVariable( | ||
| Variable.builder().setType(TypeNode.CLASS_OBJECT).setName("class").build()) | ||
| .setStaticReferenceType(types.get(className)) | ||
| .build()) | ||
| .setReturnType(types.get("Log")) | ||
| .build(); | ||
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| AssignmentExpr loggerAssignmentExpr = | ||
| AssignmentExpr.builder().setVariableExpr(loggerExpr).setValueExpr(loggerValueExpr).build(); | ||
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| return ExprStatement.withExpr(loggerAssignmentExpr); | ||
| } | ||
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| public static ExprStatement createLoggerStatement(Expr value, Map<String, TypeNode> types) { | ||
| Variable loggerVariable = | ||
| Variable.builder().setName("LOGGER").setType(types.get("Log")).build(); | ||
| MethodInvocationExpr loggerCallExpr = | ||
| MethodInvocationExpr.builder() | ||
| .setExprReferenceExpr(VariableExpr.withVariable(loggerVariable)) | ||
| .setMethodName("info") | ||
| .setArguments(value) | ||
| .build(); | ||
| return ExprStatement.withExpr(loggerCallExpr); | ||
| } | ||
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| public static TypeNode getLoggerType() { | ||
| return createType("Log", "org.apache.commons.logging"); | ||
| } | ||
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| public static TypeNode getLoggerFactoryType() { | ||
| return createType("LogFactory", "org.apache.commons.logging"); | ||
| } | ||
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| private static TypeNode createType(String className, String pakkage) { | ||
| TypeNode loggerType = | ||
| TypeNode.withReference( | ||
| VaporReference.builder().setName(className).setPakkage(pakkage).build()); | ||
| return loggerType; | ||
| } | ||
|
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| public static Expr concatManyWithExprs(Expr... exprs) { | ||
| List<Expr> exprList = Arrays.asList(exprs); | ||
| return concatManyWithExprsHelper(Optional.empty(), exprList); | ||
| } | ||
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| private static Expr concatManyWithExprsHelper(Optional<Expr> current, List<Expr> exprs) { | ||
| if (!current.isPresent()) { | ||
| return concatManyWithExprsHelper(Optional.of(exprs.get(0)), exprs.subList(1, exprs.size())); | ||
| } | ||
| if (exprs.size() == 1) { | ||
| return ArithmeticOperationExpr.concatWithExprs(current.get(), exprs.get(0)); | ||
| } | ||
| return ArithmeticOperationExpr.concatWithExprs( | ||
| current.get(), | ||
| concatManyWithExprsHelper(Optional.of(exprs.get(0)), exprs.subList(1, exprs.size()))); | ||
| } | ||
| } |
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