Package net.sourceforge.pmd.lang.java.rule.errorprone

Class CloseResourceRule

java.lang.Object

net.sourceforge.pmd.properties.AbstractPropertySource

net.sourceforge.pmd.lang.rule.AbstractRule

net.sourceforge.pmd.lang.java.rule.AbstractJavaRule

net.sourceforge.pmd.lang.java.rule.errorprone.CloseResourceRule

All Implemented Interfaces:

AstVisitor<Object,Object>, JavaParserVisitor, JavaVisitor<Object,Object>, PropertySource, Rule

public class CloseResourceRule
extends AbstractJavaRule

Makes sure you close your database connections. It does this by looking for code patterned like this:

  Connection c = X;
  try {
   // do stuff, and maybe catch something
  } finally {
   c.close();
  }
 

Author:

original author unknown, Contribution from Pierre Mathien

Field Summary

Fields inherited from class net.sourceforge.pmd.properties.AbstractPropertySource

propertyDescriptors, propertyValuesByDescriptor

Fields inherited from interface net.sourceforge.pmd.Rule

VIOLATION_SUPPRESS_REGEX_DESCRIPTOR, VIOLATION_SUPPRESS_XPATH_DESCRIPTOR

Constructor Summary

Constructors

Constructor	Description
CloseResourceRule()

Method Summary

Modifier and Type	Method	Description
void	start(RuleContext ctx)
Object	visit(ASTConstructorDeclaration node, Object data)
Object	visit(ASTMethodCall node, Object data)
Object	visit(ASTMethodDeclaration node, Object data)

Methods inherited from class net.sourceforge.pmd.lang.java.rule.AbstractJavaRule

apply

Methods inherited from class net.sourceforge.pmd.lang.rule.AbstractRule

addExample, addRuleChainVisit, addViolation, addViolation, addViolation, addViolationWithMessage, addViolationWithMessage, addViolationWithMessage, asCtx, buildTargetSelector, deepCopy, deepCopyValuesTo, end, equals, getDescription, getExamples, getExternalInfoUrl, getLanguage, getMaximumLanguageVersion, getMessage, getMinimumLanguageVersion, getName, getPriority, getPropertySourceType, getRuleClass, getRuleSetName, getSince, getTargetSelector, hashCode, isDeprecated, setDeprecated, setDescription, setExternalInfoUrl, setLanguage, setMaximumLanguageVersion, setMessage, setMinimumLanguageVersion, setName, setPriority, setRuleClass, setRuleSetName, setSince

Methods inherited from class net.sourceforge.pmd.properties.AbstractPropertySource

copyPropertyDescriptors, copyPropertyValues, definePropertyDescriptor, dysfunctionReason, getOverriddenPropertiesByPropertyDescriptor, getOverriddenPropertyDescriptors, getPropertiesByPropertyDescriptor, getProperty, getPropertyDescriptor, getPropertyDescriptors, hasDescriptor, isPropertyOverridden, setProperty, setProperty

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.sourceforge.pmd.lang.ast.AstVisitor

cannotVisit

Methods inherited from interface net.sourceforge.pmd.lang.java.ast.JavaParserVisitor

visit, visit, visit, visit, visit, visit, visitNode

Methods inherited from interface net.sourceforge.pmd.lang.java.ast.JavaVisitor

visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visitJavaNode

Methods inherited from interface net.sourceforge.pmd.properties.PropertySource

definePropertyDescriptor, dysfunctionReason, getOverriddenPropertiesByPropertyDescriptor, getOverriddenPropertyDescriptors, getPropertiesByPropertyDescriptor, getProperty, getPropertyDescriptor, getPropertyDescriptors, hasDescriptor, isPropertyOverridden, setProperty, setProperty

Methods inherited from interface net.sourceforge.pmd.Rule

initialize

Constructor Detail

CloseResourceRule

public CloseResourceRule()

Method Detail

start

public void start(RuleContext ctx)

Specified by:

start in interface Rule

Overrides:

start in class AbstractRule

visit

public Object visit(ASTConstructorDeclaration node,
                    Object data)

visit

public Object visit(ASTMethodDeclaration node,
                    Object data)

visit

public Object visit(ASTMethodCall node,
                    Object data)